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mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-24 05:04:00 +08:00
Commit Graph

935212 Commits

Author SHA1 Message Date
Michael Kelley
b9d8cf2eb3 x86/hyperv: Make hv_setup_sched_clock inline
Make hv_setup_sched_clock inline so the reference to pv_ops works
correctly with objtool updates to detect noinstr violations.
See https://lore.kernel.org/patchwork/patch/1283635/

Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/1597022991-24088-1-git-send-email-mikelley@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
2020-08-11 10:41:15 +00:00
Michael Kelley
608a973bd5 Drivers: hv: vmbus: Only notify Hyper-V for die events that are oops
Hyper-V currently may be notified of a panic for any die event. But
this results in false panic notifications for various user space traps
that are die events. Fix this by ignoring die events that aren't oops.

Fixes: 510f7aef65 ("Drivers: hv: vmbus: prefer 'die' notification chain to 'panic'")
Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Link: https://lore.kernel.org/r/1596730935-11564-1-git-send-email-mikelley@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
2020-08-07 13:49:37 +00:00
Linus Torvalds
bcf876870b Linux 5.8 2020-08-02 14:21:45 -07:00
Linus Torvalds
5a30a78924 A single fix for a potential deadlock when printing a message about spurious interrupts.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2020-08-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fix from Ingo Molnar:
 "A single fix for a potential deadlock when printing a message about
  spurious interrupts"

* tag 'x86-urgent-2020-08-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/i8259: Use printk_deferred() to prevent deadlock
2020-08-02 13:10:42 -07:00
Linus Torvalds
142c3326b0 Kbuild fixes for v5.8 (4th)
- clean the generated moc file for xconfig
 
  - fix xconfig bugs, and revert some bad commits
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Merge tag 'kbuild-fixes-v5.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - clean the generated moc file for xconfig

 - fix xconfig bugs, and revert some bad commits

* tag 'kbuild-fixes-v5.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: remove redundant FORCE definition in scripts/Makefile.modpost
  kconfig: qconf: remove wrong ConfigList::firstChild()
  Revert "kconfig: qconf: don't show goback button on splitMode"
  Revert "kconfig: qconf: Change title for the item window"
  kconfig: qconf: remove "goBack" debug message
  kconfig: qconf: use delete[] instead of delete to free array
  kconfig: qconf: compile moc object separately
  kconfig: qconf: use if_changed for qconf.moc rule
  modpost: explain why we can't use strsep
2020-08-02 11:23:51 -07:00
Linus Torvalds
628e04dfeb Bugfixes and strengthening the validity checks on inputs from new userspace APIs.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "Bugfixes and strengthening the validity checks on inputs from new
  userspace APIs.

  Now I know why I shouldn't prepare pull requests on the weekend, it's
  hard to concentrate if your son is shouting about his latest Minecraft
  builds in your ear. Fortunately all the patches were ready and I just
  had to check the test results..."

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: SVM: Fix disable pause loop exit/pause filtering capability on SVM
  KVM: LAPIC: Prevent setting the tscdeadline timer if the lapic is hw disabled
  KVM: arm64: Don't inherit exec permission across page-table levels
  KVM: arm64: Prevent vcpu_has_ptrauth from generating OOL functions
  KVM: nVMX: check for invalid hdr.vmx.flags
  KVM: nVMX: check for required but missing VMCS12 in KVM_SET_NESTED_STATE
  selftests: kvm: do not set guest mode flag
2020-08-02 10:41:00 -07:00
Masahiro Yamada
28ab576ba8 kbuild: remove redundant FORCE definition in scripts/Makefile.modpost
The same code exists a few lines above.

Fixes: 436b2ac603 ("modpost: invoke modpost only when input files are updated")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-02 23:09:16 +09:00
Masahiro Yamada
ccf56e5fe3 kconfig: qconf: remove wrong ConfigList::firstChild()
This function returns the first child object, but the returned pointer
is not compatible with (ConfigItem *).

Commit cc1c08edcc ("kconfig: qconf: don't show goback button on
splitMode") uncovered this issue because using the pointer from this
function would make qconf crash. (https://lkml.org/lkml/2020/7/18/411)

This function does not work. Remove.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-02 23:09:10 +09:00
Linus Torvalds
ac3a0c8472 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Encap offset calculation is incorrect in esp6, from Sabrina Dubroca.

 2) Better parameter validation in pfkey_dump(), from Mark Salyzyn.

 3) Fix several clang issues on powerpc in selftests, from Tanner Love.

 4) cmsghdr_from_user_compat_to_kern() uses the wrong length, from Al
    Viro.

 5) Out of bounds access in mlx5e driver, from Raed Salem.

 6) Fix transfer buffer memleak in lan78xx, from Johan Havold.

 7) RCU fixups in rhashtable, from Herbert Xu.

 8) Fix ipv6 nexthop refcnt leak, from Xiyu Yang.

 9) vxlan FDB dump must be done under RCU, from Ido Schimmel.

10) Fix use after free in mlxsw, from Ido Schimmel.

11) Fix map leak in HASH_OF_MAPS bpf code, from Andrii Nakryiko.

12) Fix bug in mac80211 Tx ack status reporting, from Vasanthakumar
    Thiagarajan.

13) Fix memory leaks in IPV6_ADDRFORM code, from Cong Wang.

14) Fix bpf program reference count leaks in mlx5 during
    mlx5e_alloc_rq(), from Xin Xiong.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (86 commits)
  vxlan: fix memleak of fdb
  rds: Prevent kernel-infoleak in rds_notify_queue_get()
  net/sched: The error lable position is corrected in ct_init_module
  net/mlx5e: fix bpf_prog reference count leaks in mlx5e_alloc_rq
  net/mlx5e: E-Switch, Specify flow_source for rule with no in_port
  net/mlx5e: E-Switch, Add misc bit when misc fields changed for mirroring
  net/mlx5e: CT: Support restore ipv6 tunnel
  net: gemini: Fix missing clk_disable_unprepare() in error path of gemini_ethernet_port_probe()
  ionic: unlock queue mutex in error path
  atm: fix atm_dev refcnt leaks in atmtcp_remove_persistent
  net: ethernet: mtk_eth_soc: fix MTU warnings
  net: nixge: fix potential memory leak in nixge_probe()
  devlink: ignore -EOPNOTSUPP errors on dumpit
  rxrpc: Fix race between recvmsg and sendmsg on immediate call failure
  MAINTAINERS: Replace Thor Thayer as Altera Triple Speed Ethernet maintainer
  selftests/bpf: fix netdevsim trap_flow_action_cookie read
  ipv6: fix memory leaks on IPV6_ADDRFORM path
  net/bpfilter: Initialize pos in __bpfilter_process_sockopt
  igb: reinit_locked() should be called with rtnl_lock
  e1000e: continue to init PHY even when failed to disable ULP
  ...
2020-08-01 16:47:24 -07:00
Linus Torvalds
0ae3495b65 for-linus-2020-08-01
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Merge tag 'for-linus-2020-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux

Pull thread fix from Christian Brauner:
 "A simple spelling fix for dequeue_synchronous_signal()"

* tag 'for-linus-2020-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
  signal: fix typo in dequeue_synchronous_signal()
2020-08-01 16:40:59 -07:00
Linus Torvalds
bf121a0bda Fourth batch of perf tooling fixes for v5.8:
- Fix libtraceevent build with binutils 2.35.
 
 - Fix memory leak in process_dynamic_array_len in libtraceevent.
 
 - Fix 'perf test 68' zstd compression for s390.
 
 - Fix record failure when mixed with ARM SPE event.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 
 Test results:
 
 The first ones are container based builds of tools/perf with and without libelf
 support.  Where clang is available, it is also used to build perf with/without
 libelf, and building with LIBCLANGLLVM=1 (built-in clang) with gcc and clang
 when clang and its devel libraries are installed.
 
 The objtool and samples/bpf/ builds are disabled now that I'm switching from
 using the sources in a local volume to fetching them from a http server to
 build it inside the container, to make it easier to build in a container cluster.
 Those will come back later.
 
 Several are cross builds, the ones with -x-ARCH and the android one, and those
 may not have all the features built, due to lack of multi-arch devel packages,
 available and being used so far on just a few, like
 debian:experimental-x-{arm64,mipsel}.
 
 The 'perf test' one will perform a variety of tests exercising
 tools/perf/util/, tools/lib/{bpf,traceevent,etc}, as well as run perf commands
 with a variety of command line event specifications to then intercept the
 sys_perf_event syscall to check that the perf_event_attr fields are set up as
 expected, among a variety of other unit tests.
 
 Then there is the 'make -C tools/perf build-test' ones, that build tools/perf/
 with a variety of feature sets, exercising the build with an incomplete set of
 features as well as with a complete one. It is planned to have it run on each
 of the containers mentioned above, using some container orchestration
 infrastructure. Get in contact if interested in helping having this in place.
 
 Some of the most recent, experimental distros are failing, fixes will be
 provided, but those gcc/clang versions are not yet in general use and some
 are related to linking with libllvm, not the default build.
 
    1 alpine:3.4                    : Ok   gcc (Alpine 5.3.0) 5.3.0, clang version 3.8.0 (tags/RELEASE_380/final)
    2 alpine:3.5                    : Ok   gcc (Alpine 6.2.1) 6.2.1 20160822, clang version 3.8.1 (tags/RELEASE_381/final)
    3 alpine:3.6                    : Ok   gcc (Alpine 6.3.0) 6.3.0, clang version 4.0.0 (tags/RELEASE_400/final)
    4 alpine:3.7                    : Ok   gcc (Alpine 6.4.0) 6.4.0, Alpine clang version 5.0.0 (tags/RELEASE_500/final) (based on LLVM 5.0.0)
    5 alpine:3.8                    : Ok   gcc (Alpine 6.4.0) 6.4.0, Alpine clang version 5.0.1 (tags/RELEASE_501/final) (based on LLVM 5.0.1)
    6 alpine:3.9                    : Ok   gcc (Alpine 8.3.0) 8.3.0, Alpine clang version 5.0.1 (tags/RELEASE_502/final) (based on LLVM 5.0.1)
    7 alpine:3.10                   : Ok   gcc (Alpine 8.3.0) 8.3.0, Alpine clang version 8.0.0 (tags/RELEASE_800/final) (based on LLVM 8.0.0)
    8 alpine:3.11                   : Ok   gcc (Alpine 9.2.0) 9.2.0, Alpine clang version 9.0.0 (https://git.alpinelinux.org/aports f7f0d2c2b8bcd6a5843401a9a702029556492689) (based on LLVM 9.0.0)
    9 alpine:3.12                   : Ok   gcc (Alpine 9.3.0) 9.3.0, Alpine clang version 10.0.0 (https://gitlab.alpinelinux.org/alpine/aports.git 7445adce501f8473efdb93b17b5eaf2f1445ed4c)
   10 alpine:edge                   : Ok   gcc (Alpine 9.3.0) 9.3.0, Alpine clang version 10.0.0 (git://git.alpinelinux.org/aports 7445adce501f8473efdb93b17b5eaf2f1445ed4c)
   11 alt:p8                        : Ok   x86_64-alt-linux-gcc (GCC) 5.3.1 20151207 (ALT p8 5.3.1-alt3.M80P.1), clang version 3.8.0 (tags/RELEASE_380/final)
   12 alt:p9                        : Ok   x86_64-alt-linux-gcc (GCC) 8.4.1 20200305 (ALT p9 8.4.1-alt0.p9.1), clang version 7.0.1
   13 alt:sisyphus                  : Ok   x86_64-alt-linux-gcc (GCC) 9.2.1 20200123 (ALT Sisyphus 9.2.1-alt3), clang version 10.0.0
   14 amazonlinux:1                 : Ok   gcc (GCC) 7.2.1 20170915 (Red Hat 7.2.1-2), clang version 3.6.2 (tags/RELEASE_362/final)
   15 amazonlinux:2                 : Ok   gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6), clang version 7.0.1 (Amazon Linux 2 7.0.1-1.amzn2.0.2)
   16 android-ndk:r12b-arm          : Ok   arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
   17 android-ndk:r15c-arm          : Ok   arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
   18 centos:6                      : Ok   gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23)
   19 centos:7                      : Ok   gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39)
   20 centos:8                      : Ok   gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5), clang version 9.0.1 (Red Hat 9.0.1-2.module_el8.2.0+309+0c7b6b03)
   21 clearlinux:latest             : Ok   gcc (Clear Linux OS for Intel Architecture) 10.1.1 20200708 releases/gcc-10.1.0-332-g17327d6cc7, clang version 10.0.0
   22 debian:8                      : Ok   gcc (Debian 4.9.2-10+deb8u2) 4.9.2, Debian clang version 3.5.0-10 (tags/RELEASE_350/final) (based on LLVM 3.5.0)
   23 debian:9                      : Ok   gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516, clang version 3.8.1-24 (tags/RELEASE_381/final)
   24 debian:10                     : Ok   gcc (Debian 8.3.0-6) 8.3.0, clang version 7.0.1-8 (tags/RELEASE_701/final)
   25 debian:experimental           : FAIL gcc (Debian 10.2.0-3) 10.2.0, clang version 9.0.1-13
   26 debian:experimental-x-arm64   : Ok   aarch64-linux-gnu-gcc (Debian 9.3.0-8) 9.3.0
   27 debian:experimental-x-mips    : Ok   mips-linux-gnu-gcc (Debian 8.3.0-19) 8.3.0
   28 debian:experimental-x-mips64  : Ok   mips64-linux-gnuabi64-gcc (Debian 9.3.0-8) 9.3.0
   29 debian:experimental-x-mipsel  : Ok   mipsel-linux-gnu-gcc (Debian 9.2.1-8) 9.2.1 20190909
   30 fedora:20                     : Ok   gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7)
   31 fedora:22                     : Ok   gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.5.0 (tags/RELEASE_350/final)
   32 fedora:23                     : Ok   gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.7.0 (tags/RELEASE_370/final)
   33 fedora:24                     : Ok   gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1), clang version 3.8.1 (tags/RELEASE_381/final)
   34 fedora:24-x-ARC-uClibc        : Ok   arc-linux-gcc (ARCompact ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710
   35 fedora:25                     : Ok   gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1), clang version 3.9.1 (tags/RELEASE_391/final)
   36 fedora:26                     : Ok   gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2), clang version 4.0.1 (tags/RELEASE_401/final)
   37 fedora:27                     : Ok   gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6), clang version 5.0.2 (tags/RELEASE_502/final)
   38 fedora:28                     : Ok   gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 6.0.1 (tags/RELEASE_601/final)
   39 fedora:29                     : Ok   gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 7.0.1 (Fedora 7.0.1-6.fc29)
   40 fedora:30                     : Ok   gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2), clang version 8.0.0 (Fedora 8.0.0-3.fc30)
   41 fedora:30-x-ARC-glibc         : Ok   arc-linux-gcc (ARC HS GNU/Linux glibc toolchain 2019.03-rc1) 8.3.1 20190225
   42 fedora:30-x-ARC-uClibc        : Ok   arc-linux-gcc (ARCv2 ISA Linux uClibc toolchain 2019.03-rc1) 8.3.1 20190225
   43 fedora:31                     : Ok   gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2), clang version 9.0.1 (Fedora 9.0.1-2.fc31)
   44 fedora:32                     : Ok   gcc (GCC) 10.1.1 20200507 (Red Hat 10.1.1-1), clang version 10.0.0 (Fedora 10.0.0-2.fc32)
   45 fedora:rawhide                : FAIL gcc (GCC) 10.1.1 20200618 (Red Hat 10.1.1-2), clang version 10.0.0 (Fedora 10.0.0-6.fc33)
   46 gentoo-stage3-amd64:latest    : Ok   gcc (Gentoo 9.2.0-r2 p3) 9.2.0
   47 mageia:5                      : Ok   gcc (GCC) 4.9.2, clang version 3.5.2 (tags/RELEASE_352/final)
   48 mageia:6                      : Ok   gcc (Mageia 5.5.0-1.mga6) 5.5.0, clang version 3.9.1 (tags/RELEASE_391/final)
   49 mageia:7                      : Ok   gcc (Mageia 8.3.1-0.20190524.1.mga7) 8.3.1 20190524, clang version 8.0.0 (Mageia 8.0.0-1.mga7)
   50 manjaro:latest                : Ok   gcc (GCC) 9.2.0, clang version 9.0.0 (tags/RELEASE_900/final)
   51 openmandriva:cooker           : Ok   gcc (GCC) 10.0.0 20200502 (OpenMandriva), clang version 10.0.1
   52 opensuse:15.0                 : Ok   gcc (SUSE Linux) 7.4.1 20190424 [gcc-7-branch revision 270538], clang version 5.0.1 (tags/RELEASE_501/final 312548)
   53 opensuse:15.1                 : Ok   gcc (SUSE Linux) 7.5.0, clang version 7.0.1 (tags/RELEASE_701/final 349238)
   54 opensuse:15.2                 : Ok   gcc (SUSE Linux) 7.5.0, clang version 9.0.1
   55 opensuse:42.3                 : Ok   gcc (SUSE Linux) 4.8.5, clang version 3.8.0 (tags/RELEASE_380/final 262553)
   56 opensuse:tumbleweed           : Ok   gcc (SUSE Linux) 10.1.1 20200625 [revision c91e43e9363bd119a695d64505f96539fa451bf2], clang version 10.0.0
   57 oraclelinux:6                 : Ok   gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1)
   58 oraclelinux:7                 : Ok   gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39.0.3)
   59 oraclelinux:8                 : Ok   gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5.0.3), clang version 9.0.1 (Red Hat 9.0.1-2.0.1.module+el8.2.0+5599+9ed9ef6d)
   60 ubuntu:12.04                  : Ok   gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3, Ubuntu clang version 3.0-6ubuntu3 (tags/RELEASE_30/final) (based on LLVM 3.0)
   61 ubuntu:14.04                  : Ok   gcc (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4
   62 ubuntu:16.04                  : Ok   gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 20160609, clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)
   63 ubuntu:16.04-x-arm            : Ok   arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   64 ubuntu:16.04-x-arm64          : Ok   aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   65 ubuntu:16.04-x-powerpc        : Ok   powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   66 ubuntu:16.04-x-powerpc64      : Ok   powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   67 ubuntu:16.04-x-powerpc64el    : Ok   powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   68 ubuntu:16.04-x-s390           : Ok   s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   69 ubuntu:18.04                  : Ok   gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0, clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
   70 ubuntu:18.04-x-arm            : Ok   arm-linux-gnueabihf-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
   71 ubuntu:18.04-x-arm64          : Ok   aarch64-linux-gnu-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
   72 ubuntu:18.04-x-m68k           : Ok   m68k-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   73 ubuntu:18.04-x-powerpc        : Ok   powerpc-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
   74 ubuntu:18.04-x-powerpc64      : Ok   powerpc64-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
   75 ubuntu:18.04-x-powerpc64el    : Ok   powerpc64le-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   76 ubuntu:18.04-x-riscv64        : Ok   riscv64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   77 ubuntu:18.04-x-s390           : Ok   s390x-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   78 ubuntu:18.04-x-sh4            : Ok   sh4-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
   79 ubuntu:18.04-x-sparc64        : Ok   sparc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   80 ubuntu:18.10                  : Ok   gcc (Ubuntu 8.3.0-6ubuntu1~18.10.1) 8.3.0, clang version 7.0.0-3 (tags/RELEASE_700/final)
   81 ubuntu:19.04                  : Ok   gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0, clang version 8.0.0-3 (tags/RELEASE_800/final)
   82 ubuntu:19.04-x-alpha          : Ok   alpha-linux-gnu-gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0
   83 ubuntu:19.04-x-arm64          : Ok   aarch64-linux-gnu-gcc (Ubuntu/Linaro 8.3.0-6ubuntu1) 8.3.0
   84 ubuntu:19.04-x-hppa           : Ok   hppa-linux-gnu-gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0
   85 ubuntu:19.10                  : FAIL gcc (Ubuntu 9.2.1-9ubuntu2) 9.2.1 20191008, clang version 9.0.0-2 (tags/RELEASE_900/final)
   86 ubuntu:20.04                  : Ok   gcc (Ubuntu 9.3.0-10ubuntu2) 9.3.0, clang version 10.0.0-4ubuntu1
   #
 
   # uname -a
   Linux five 5.8.0-rc7+ #3 SMP Sat Aug 1 15:00:33 -03 2020 x86_64 x86_64 x86_64 GNU/Linux
   # git log --oneline -1
   39efdd94e3 libtraceevent: Fix build with binutils 2.35
   # perf version --build-options
   perf version 5.8.rc7.g39efdd94e314
                    dwarf: [ on  ]  # HAVE_DWARF_SUPPORT
       dwarf_getlocations: [ on  ]  # HAVE_DWARF_GETLOCATIONS_SUPPORT
                    glibc: [ on  ]  # HAVE_GLIBC_SUPPORT
                     gtk2: [ on  ]  # HAVE_GTK2_SUPPORT
            syscall_table: [ on  ]  # HAVE_SYSCALL_TABLE_SUPPORT
                   libbfd: [ on  ]  # HAVE_LIBBFD_SUPPORT
                   libelf: [ on  ]  # HAVE_LIBELF_SUPPORT
                  libnuma: [ on  ]  # HAVE_LIBNUMA_SUPPORT
   numa_num_possible_cpus: [ on  ]  # HAVE_LIBNUMA_SUPPORT
                  libperl: [ on  ]  # HAVE_LIBPERL_SUPPORT
                libpython: [ on  ]  # HAVE_LIBPYTHON_SUPPORT
                 libslang: [ on  ]  # HAVE_SLANG_SUPPORT
                libcrypto: [ on  ]  # HAVE_LIBCRYPTO_SUPPORT
                libunwind: [ on  ]  # HAVE_LIBUNWIND_SUPPORT
       libdw-dwarf-unwind: [ on  ]  # HAVE_DWARF_SUPPORT
                     zlib: [ on  ]  # HAVE_ZLIB_SUPPORT
                     lzma: [ on  ]  # HAVE_LZMA_SUPPORT
                get_cpuid: [ on  ]  # HAVE_AUXTRACE_SUPPORT
                      bpf: [ on  ]  # HAVE_LIBBPF_SUPPORT
                      aio: [ on  ]  # HAVE_AIO_SUPPORT
                     zstd: [ on  ]  # HAVE_ZSTD_SUPPORT
   # perf test
    1: vmlinux symtab matches kallsyms                       : Ok
    2: Detect openat syscall event                           : Ok
    3: Detect openat syscall event on all cpus               : Ok
    4: Read samples using the mmap interface                 : Ok
    5: Test data source output                               : Ok
    6: Parse event definition strings                        : Ok
    7: Simple expression parser                              : Ok
    8: PERF_RECORD_* events & perf_sample fields             : Ok
    9: Parse perf pmu format                                 : Ok
   10: PMU events                                            :
   10.1: PMU event table sanity                              : Ok
   10.2: PMU event map aliases                               : Ok
   10.3: Parsing of PMU event table metrics                  : Ok
   11: DSO data read                                         : Ok
   12: DSO data cache                                        : Ok
   13: DSO data reopen                                       : Ok
   14: Roundtrip evsel->name                                 : Ok
   15: Parse sched tracepoints fields                        : Ok
   16: syscalls:sys_enter_openat event fields                : Ok
   17: Setup struct perf_event_attr                          : Ok
   18: Match and link multiple hists                         : Ok
   19: 'import perf' in python                               : Ok
   20: Breakpoint overflow signal handler                    : Ok
   21: Breakpoint overflow sampling                          : Ok
   22: Breakpoint accounting                                 : Ok
   23: Watchpoint                                            :
   23.1: Read Only Watchpoint                                : Skip
   23.2: Write Only Watchpoint                               : Ok
   23.3: Read / Write Watchpoint                             : Ok
   23.4: Modify Watchpoint                                   : Ok
   24: Number of exit events of a simple workload            : Ok
   25: Software clock events period values                   : Ok
   26: Object code reading                                   : Ok
   27: Sample parsing                                        : Ok
   28: Use a dummy software event to keep tracking           : Ok
   29: Parse with no sample_id_all bit set                   : Ok
   30: Filter hist entries                                   : Ok
   31: Lookup mmap thread                                    : Ok
   32: Share thread maps                                     : Ok
   33: Sort output of hist entries                           : Ok
   34: Cumulate child hist entries                           : Ok
   35: Track with sched_switch                               : Ok
   36: Filter fds with revents mask in a fdarray             : Ok
   37: Add fd to a fdarray, making it autogrow               : Ok
   38: kmod_path__parse                                      : Ok
   39: Thread map                                            : Ok
   40: LLVM search and compile                               :
   40.1: Basic BPF llvm compile                              : Ok
   40.2: kbuild searching                                    : Ok
   40.3: Compile source for BPF prologue generation          : Ok
   40.4: Compile source for BPF relocation                   : Ok
   41: Session topology                                      : Ok
   42: BPF filter                                            :
   42.1: Basic BPF filtering                                 : Ok
   42.2: BPF pinning                                         : Ok
   42.3: BPF prologue generation                             : Ok
   42.4: BPF relocation checker                              : Ok
   43: Synthesize thread map                                 : Ok
   44: Remove thread map                                     : Ok
   45: Synthesize cpu map                                    : Ok
   46: Synthesize stat config                                : Ok
   47: Synthesize stat                                       : Ok
   48: Synthesize stat round                                 : Ok
   49: Synthesize attr update                                : Ok
   50: Event times                                           : Ok
   51: Read backward ring buffer                             : Ok
   52: Print cpu map                                         : Ok
   53: Merge cpu map                                         : Ok
   54: Probe SDT events                                      : Ok
   55: is_printable_array                                    : Ok
   56: Print bitmap                                          : Ok
   57: perf hooks                                            : Ok
   58: builtin clang support                                 : Skip (not compiled in)
   59: unit_number__scnprintf                                : Ok
   60: mem2node                                              : Ok
   61: time utils                                            : Ok
   62: Test jit_write_elf                                    : Ok
   63: Test libpfm4 support                                  : Skip (not compiled in)
   64: Test api io                                           : Ok
   65: maps__merge_in                                        : Ok
   66: Demangle Java                                         : Ok
   67: x86 rdpmc                                             : Ok
   68: Convert perf time to TSC                              : Ok
   69: DWARF unwind                                          : Ok
   70: x86 instruction decoder - new instructions            : Ok
   71: Intel PT packet decoder                               : Ok
   72: x86 bp modify                                         : Ok
   73: probe libc's inet_pton & backtrace it with ping       : Ok
   74: Use vfs_getname probe to get syscall args filenames   : Ok
   75: Check open filename arg using perf trace + vfs_getname: Ok
   76: Zstd perf.data compression/decompression              : Ok
   77: Add vfs_getname probe to get syscall args filenames   : Ok
   #
   $ cd ~acme/git/perf; git log --oneline -1 ; make -C tools/perf build-test
   39efdd94e3 (HEAD -> perf/urgent, quaco/perf/urgent) libtraceevent: Fix build with binutils 2.35
   make: Entering directory '/home/acme/git/perf/tools/perf'
   - tarpkg: ./tests/perf-targz-src-pkg .
   - /home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP: make FEATURE_DUMP_COPY=/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP  feature-dump
   make FEATURE_DUMP_COPY=/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP feature-dump
            make_no_backtrace_O: make NO_BACKTRACE=1
         make_no_libbpf_DEBUG_O: make NO_LIBBPF=1 DEBUG=1
                   make_debug_O: make DEBUG=1
                 make_minimal_O: make NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1 NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1 NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 NO_LIBBPF=1 NO_LIBCRYPTO=1 NO_SDT=1 NO_JVMTI=1 NO_LIBZSTD=1 NO_LIBCAP=1 NO_SYSCALL_TABLE=1
              make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
                    make_help_O: make help
            make_with_libpfm4_O: make LIBPFM4=1
         make_with_babeltrace_O: make LIBBABELTRACE=1
             make_no_auxtrace_O: make NO_AUXTRACE=1
                    make_pure_O: make
               make_no_libelf_O: make NO_LIBELF=1
                    make_tags_O: make tags
             make_no_demangle_O: make NO_DEMANGLE=1
             make_no_libaudit_O: make NO_LIBAUDIT=1
          make_with_clangllvm_O: make LIBCLANGLLVM=1
        make_util_pmu_bison_o_O: make util/pmu-bison.o
              make_no_libnuma_O: make NO_LIBNUMA=1
                  make_no_sdt_O: make NO_SDT=1
            make_no_libpython_O: make NO_LIBPYTHON=1
   make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
   ^[[A^[[5~           make_no_libperl_O: make NO_LIBPERL=1
   ^Y^Y             make_no_slang_O: make NO_SLANG=1
               make_clean_all_O: make clean all
                     make_doc_O: make doc
          make_no_syscall_tbl_O: make NO_SYSCALL_TABLE=1
                   make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
              make_util_map_o_O: make util/map.o
            make_no_libcrypto_O: make NO_LIBCRYPTO=1
                 make_no_gtk2_O: make NO_GTK2=1
          make_install_prefix_O: make install prefix=/tmp/krava
   - /home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP_STATIC: make FEATURE_DUMP_COPY=/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP_STATIC  LDFLAGS='-static' feature-dump
   make FEATURE_DUMP_COPY=/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP_STATIC LDFLAGS='-static' feature-dump
                  make_static_O: make LDFLAGS=-static NO_PERF_READ_VDSO32=1 NO_PERF_READ_VDSOX32=1 NO_JVMTI=1
               make_no_libbpf_O: make NO_LIBBPF=1
             make_install_bin_O: make install-bin
            make_no_libunwind_O: make NO_LIBUNWIND=1
                 make_install_O: make install
    make_install_prefix_slash_O: make install prefix=/tmp/krava/
                 make_no_newt_O: make NO_NEWT=1
            make_no_libbionic_O: make NO_LIBBIONIC=1
                  make_perf_o_O: make perf.o
   OK
   make: Leaving directory '/home/acme/git/perf/tools/perf'
   $
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Merge tag 'perf-tools-fixes-2020-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tooling fixes from Arnaldo Carvalho de Melo:

 - Fix libtraceevent build with binutils 2.35

 - Fix memory leak in process_dynamic_array_len in libtraceevent

 - Fix 'perf test 68' zstd compression for s390

 - Fix record failure when mixed with ARM SPE event

* tag 'perf-tools-fixes-2020-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
  libtraceevent: Fix build with binutils 2.35
  perf tools: Fix record failure when mixed with ARM SPE event
  perf tests: Fix test 68 zstd compression for s390
  tools lib traceevent: Fix memory leak in process_dynamic_array_len
2020-08-01 13:08:50 -07:00
Taehee Yoo
fda2ec62cf vxlan: fix memleak of fdb
When vxlan interface is deleted, all fdbs are deleted by vxlan_flush().
vxlan_flush() flushes fdbs but it doesn't delete fdb, which contains
all-zeros-mac because it is deleted by vxlan_uninit().
But vxlan_uninit() deletes only the fdb, which contains both all-zeros-mac
and default vni.
So, the fdb, which contains both all-zeros-mac and non-default vni
will not be deleted.

Test commands:
    ip link add vxlan0 type vxlan dstport 4789 external
    ip link set vxlan0 up
    bridge fdb add to 00:00:00:00:00:00 dst 172.0.0.1 dev vxlan0 via lo \
	    src_vni 10000 self permanent
    ip link del vxlan0

kmemleak reports as follows:
unreferenced object 0xffff9486b25ced88 (size 96):
  comm "bridge", pid 2151, jiffies 4294701712 (age 35506.901s)
  hex dump (first 32 bytes):
    02 00 00 00 ac 00 00 01 40 00 09 b1 86 94 ff ff  ........@.......
    46 02 00 00 00 00 00 00 a7 03 00 00 12 b5 6a 6b  F.............jk
  backtrace:
    [<00000000c10cf651>] vxlan_fdb_append.part.51+0x3c/0xf0 [vxlan]
    [<000000006b31a8d9>] vxlan_fdb_create+0x184/0x1a0 [vxlan]
    [<0000000049399045>] vxlan_fdb_update+0x12f/0x220 [vxlan]
    [<0000000090b1ef00>] vxlan_fdb_add+0x12a/0x1b0 [vxlan]
    [<0000000056633c2c>] rtnl_fdb_add+0x187/0x270
    [<00000000dd5dfb6b>] rtnetlink_rcv_msg+0x264/0x490
    [<00000000fc44dd54>] netlink_rcv_skb+0x4a/0x110
    [<00000000dff433e7>] netlink_unicast+0x18e/0x250
    [<00000000b87fb421>] netlink_sendmsg+0x2e9/0x400
    [<000000002ed55153>] ____sys_sendmsg+0x237/0x260
    [<00000000faa51c66>] ___sys_sendmsg+0x88/0xd0
    [<000000006c3982f1>] __sys_sendmsg+0x4e/0x80
    [<00000000a8f875d2>] do_syscall_64+0x56/0xe0
    [<000000003610eefa>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
unreferenced object 0xffff9486b1c40080 (size 128):
  comm "bridge", pid 2157, jiffies 4294701754 (age 35506.866s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 f8 dc 42 b2 86 94 ff ff  ..........B.....
    6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
  backtrace:
    [<00000000a2981b60>] vxlan_fdb_create+0x67/0x1a0 [vxlan]
    [<0000000049399045>] vxlan_fdb_update+0x12f/0x220 [vxlan]
    [<0000000090b1ef00>] vxlan_fdb_add+0x12a/0x1b0 [vxlan]
    [<0000000056633c2c>] rtnl_fdb_add+0x187/0x270
    [<00000000dd5dfb6b>] rtnetlink_rcv_msg+0x264/0x490
    [<00000000fc44dd54>] netlink_rcv_skb+0x4a/0x110
    [<00000000dff433e7>] netlink_unicast+0x18e/0x250
    [<00000000b87fb421>] netlink_sendmsg+0x2e9/0x400
    [<000000002ed55153>] ____sys_sendmsg+0x237/0x260
    [<00000000faa51c66>] ___sys_sendmsg+0x88/0xd0
    [<000000006c3982f1>] __sys_sendmsg+0x4e/0x80
    [<00000000a8f875d2>] do_syscall_64+0x56/0xe0
    [<000000003610eefa>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

Fixes: 3ad7a4b141 ("vxlan: support fdb and learning in COLLECT_METADATA mode")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-01 11:49:18 -07:00
Linus Torvalds
d52daa8620 A single patch to the Qualcomm driver fixing missing dual
edge PCH interrupts.
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Merge tag 'pinctrl-v5.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control fix from Linus Walleij:
 "A single last minute pin control fix to the Qualcomm driver fixing
  missing dual edge PCH interrupts"

* tag 'pinctrl-v5.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: qcom: Handle broken/missing PDC dual edge IRQs on sc7180
2020-08-01 10:11:42 -07:00
Masahiro Yamada
4b20e103a6 Revert "kconfig: qconf: don't show goback button on splitMode"
This reverts commit cc1c08edcc.

Maxim Levitsky reports 'make xconfig' crashes since that commit
(https://lkml.org/lkml/2020/7/18/411)

Or, the following is simple test code that makes it crash:

    menu "Menu"

    config FOO
            bool "foo"
            default y

    menuconfig BAR
            bool "bar"
            depends on FOO

    endmenu

Select the Split View mode, and double-click "bar" in the right
window, then you will see Segmentation fault.

When 'last' is not set for symbolMode, the following code in
ConfigList::updateList() calls firstChild().

  item = last ? last->nextSibling() : firstChild();

However, the pointer returned by ConfigList::firstChild() does not
seem to be compatible with (ConfigItem *), which seems another bug.

I'd rather want to reconsider whether hiding the goback icon is the
right thing to do.

In the following test code, the Split View shows "Menu2" and "Menu3"
in the right window. You can descend into "Menu3", but there is no way
to ascend back to "Menu2" from "Menu3".

    menu "Menu1"

    config FOO
            bool "foo"
            default y

    menu "Menu2"
            depends on FOO

    menu "Menu3"

    config BAZ
            bool "baz"

    endmenu

    endmenu

    endmenu

It is true that the goback button is currently not functional due to
yet another bug, but hiding the problem is not the right way to go.

Anyway, Segmentation fault is fatal. Revert the offending commit for
now, and we should find the right solution.

Reported-by:  Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-01 20:54:39 +09:00
Masahiro Yamada
97bebbcd8b Revert "kconfig: qconf: Change title for the item window"
This reverts commit 5752ff07fd.

It added dead code to ConfigList:ConfigList().

The constructor of ConfigList has the initializer, mode(singleMode).

    if (mode == symbolMode)
           setHeaderLabels(QStringList() << "Item" << "Name" << "N" << "M" << "Y" << "Value");
    else
           setHeaderLabels(QStringList() << "Option" << "Name" << "N" << "M" << "Y" << "Value");

... always takes the else part.

The change to ConfigList::updateSelection() is strange too.
When you click the split view icon for the first time, the titles in
both windows show "Option". After you click something in the right
window, the title suddenly changes to "Item".

ConfigList::updateSelection() is not the right place to do this,
at least. It was not a good idea, I think.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-01 20:54:39 +09:00
Masahiro Yamada
ce02397f44 kconfig: qconf: remove "goBack" debug message
Every time the goback icon is clicked, the annoying message "goBack"
is displayed on the console.

I guess this line is the left-over debug code of commit af737b4def
("kconfig: qconf: simplify the goBack() logic").

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-01 20:54:39 +09:00
Masahiro Yamada
c9b09a9249 kconfig: qconf: use delete[] instead of delete to free array
cppcheck reports "Mismatching allocation and deallocation".

$ cppcheck scripts/kconfig/qconf.cc
Checking scripts/kconfig/qconf.cc ...
scripts/kconfig/qconf.cc:1242:10: error: Mismatching allocation and deallocation: data [mismatchAllocDealloc]
  delete data;
         ^
scripts/kconfig/qconf.cc:1236:15: note: Mismatching allocation and deallocation: data
 char *data = new char[count + 1];
              ^
scripts/kconfig/qconf.cc:1242:10: note: Mismatching allocation and deallocation: data
  delete data;
         ^
scripts/kconfig/qconf.cc:1255:10: error: Mismatching allocation and deallocation: data [mismatchAllocDealloc]
  delete data;
         ^
scripts/kconfig/qconf.cc:1236:15: note: Mismatching allocation and deallocation: data
 char *data = new char[count + 1];
              ^
scripts/kconfig/qconf.cc:1255:10: note: Mismatching allocation and deallocation: data
  delete data;
         ^

Fixes: c4f7398bee ("kconfig: qconf: make debug links work again")
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-01 20:54:39 +09:00
Masahiro Yamada
0e912c0320 kconfig: qconf: compile moc object separately
Currently, qconf.moc is included from qconf.cc but they can be compiled
independently.

When you modify qconf.cc, qconf.moc does not need recompiling.

Rename qconf.moc to qconf-moc.cc, and split it out as an independent
compilation unit.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-01 20:54:39 +09:00
Masahiro Yamada
c3cd7cfad5 kconfig: qconf: use if_changed for qconf.moc rule
Regenerate qconf.moc when the moc command is changed.

This also allows 'make mrproper' to clean it up. Previously, it was
not cleaned up because 'clean-files += qconf.moc' was missing.
Now 'make mrproper' correctly cleans it up because files listed in
'targets' are cleaned.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-01 20:54:39 +09:00
David S. Miller
69138b34a7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:

====================
pull-request: bpf 2020-07-31

The following pull-request contains BPF updates for your *net* tree.

We've added 5 non-merge commits during the last 21 day(s) which contain
a total of 5 files changed, 126 insertions(+), 18 deletions(-).

The main changes are:

1) Fix a map element leak in HASH_OF_MAPS map type, from Andrii Nakryiko.

2) Fix a NULL pointer dereference in __btf_resolve_helper_id() when no
   btf_vmlinux is available, from Peilin Ye.

3) Init pos variable in __bpfilter_process_sockopt(), from Christoph Hellwig.

4) Fix a cgroup sockopt verifier test by specifying expected attach type,
   from Jean-Philippe Brucker.

Note that when net gets merged into net-next later on, there is a small
merge conflict in kernel/bpf/btf.c between commit 5b801dfb7f ("bpf: Fix
NULL pointer dereference in __btf_resolve_helper_id()") from the bpf tree
and commit 138b9a0511 ("bpf: Remove btf_id helpers resolving") from the
net-next tree.

Resolve as follows: remove the old hunk with the __btf_resolve_helper_id()
function. Change the btf_resolve_helper_id() so it actually tests for a
NULL btf_vmlinux and bails out:

int btf_resolve_helper_id(struct bpf_verifier_log *log,
                          const struct bpf_func_proto *fn, int arg)
{
        int id;

        if (fn->arg_type[arg] != ARG_PTR_TO_BTF_ID || !btf_vmlinux)
                return -EINVAL;
        id = fn->btf_id[arg];
        if (!id || id > btf_vmlinux->nr_types)
                return -EINVAL;
        return id;
}

Let me know if you run into any others issues (CC'ing Jiri Olsa so he's in
the loop with regards to merge conflict resolution).
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-31 17:19:47 -07:00
David S. Miller
8d46215a1f Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:

====================
pull request (net): ipsec 2020-07-31

1) Fix policy matching with mark and mask on userspace interfaces.
   From Xin Long.

2) Several fixes for the new ESP in TCP encapsulation.
   From Sabrina Dubroca.

3) Fix crash when the hold queue is used. The assumption that
   xdst->path and dst->child are not a NULL pointer only if dst->xfrm
   is not a NULL pointer is true with the exception of using the
   hold queue. Fix this by checking for hold queue usage before
   dereferencing xdst->path or dst->child.

4) Validate pfkey_dump parameter before sending them.
   From Mark Salyzyn.

5) Fix the location of the transport header with ESP in UDPv6
   encapsulation. From Sabrina Dubroca.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-31 17:10:53 -07:00
David S. Miller
e535d87d8b mlx5-fixes-2020-07-30
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Merge tag 'mlx5-fixes-2020-07-30' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux

Saeed Mahameed says:

====================
Mellanox, mlx5 fixes 2020-07-30

This small patchset introduces some fixes to mlx5 driver.

Please pull and let me know if there is any problem.

For -stable v4.18:
 ('net/mlx5e: fix bpf_prog reference count leaks in mlx5e_alloc_rq')

For -stable v5.7:
 ('net/mlx5e: E-Switch, Add misc bit when misc fields changed for mirroring')
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-31 17:05:54 -07:00
Peilin Ye
bbc8a99e95 rds: Prevent kernel-infoleak in rds_notify_queue_get()
rds_notify_queue_get() is potentially copying uninitialized kernel stack
memory to userspace since the compiler may leave a 4-byte hole at the end
of `cmsg`.

In 2016 we tried to fix this issue by doing `= { 0 };` on `cmsg`, which
unfortunately does not always initialize that 4-byte hole. Fix it by using
memset() instead.

Cc: stable@vger.kernel.org
Fixes: f037590fff ("rds: fix a leak of kernel memory")
Fixes: bdbe6fbc6a ("RDS: recv.c")
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-31 16:52:48 -07:00
David S. Miller
dc096288d5 Merge branch '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue
Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2020-07-30

This series contains updates to the e1000e and igb drivers.

Aaron Ma allows PHY initialization to continue if ULP disable failed for
e1000e.

Francesco Ruggeri fixes race conditions in igb reset that could cause panics.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-31 16:51:58 -07:00
liujian
8c5c51f5ca net/sched: The error lable position is corrected in ct_init_module
Exchange the positions of the err_tbl_init and err_register labels in
ct_init_module function.

Fixes: c34b961a24 ("net/sched: act_ct: Create nf flow table per zone")
Signed-off-by: liujian <liujian56@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-31 16:35:39 -07:00
Linus Torvalds
7dc6fd0f3b Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
 "Some I2C core improvements to prevent NULL pointer usage and a
  MAINTAINERS update"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: slave: add sanity check when unregistering
  i2c: slave: improve sanity check when registering
  MAINTAINERS: Update GENI I2C maintainers list
  i2c: also convert placeholder function to return errno
2020-07-31 12:50:54 -07:00
Linus Torvalds
deacdb3e39 powerpc fixes for 5.8 #8
Fix a bug introduced by the changes we made to lockless page table walking this
 cycle. When using the hash MMU, and perf with callchain recording, we can
 deadlock if the PMI interrupts a hash fault, and the callchain recording then
 takes a hash fault on the same page.
 
 Thanks to:
   Nicholas Piggin, Aneesh Kumar K.V, Anton Blanchard, Athira Rajeev.
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Merge tag 'powerpc-5.8-8' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fix from Michael Ellerman:
 "Fix a bug introduced by the changes we made to lockless page table
  walking this cycle.

  When using the hash MMU, and perf with callchain recording, we can
  deadlock if the PMI interrupts a hash fault, and the callchain
  recording then takes a hash fault on the same page.

  Thanks to Nicholas Piggin, Aneesh Kumar K.V, Anton Blanchard, and
  Athira Rajeev"

* tag 'powerpc-5.8-8' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/64s/hash: Fix hash_preload running with interrupts enabled
2020-07-31 09:38:39 -07:00
Linus Torvalds
14aab7eeb9 arm64 fixes for -rc8
- Fix build breakage due to circular headers
 
 - Fix build regression when using Clang's integrated assembler
 
 - Fix IPv4 header checksum code to deal with invalid length field
 
 - Fix broken path for Arm PMU entry in MAINTAINERS
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:
 "The main one is to fix the build after Willy's per-cpu entropy changes
  this week. Although that was already resolved elsewhere, the arm64 fix
  here is useful cleanup anyway.

  Other than that, we've got a fix for building with Clang's integrated
  assembler and a fix to make our IPv4 checksumming robust against
  invalid header lengths (this only seems to be triggerable by injected
  errors).

   - Fix build breakage due to circular headers

   - Fix build regression when using Clang's integrated assembler

   - Fix IPv4 header checksum code to deal with invalid length field

   - Fix broken path for Arm PMU entry in MAINTAINERS"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  MAINTAINERS: Include drivers subdirs for ARM PMU PROFILING AND DEBUGGING entry
  arm64: csum: Fix handling of bad packets
  arm64: Drop unnecessary include from asm/smp.h
  arm64/alternatives: move length validation inside the subsection
2020-07-31 09:36:03 -07:00
Linus Torvalds
c1954ca6ab ARM fixes for 5.8:
- avoid invoking overflow handler for uaccess watchpoints
 - fix incorrect clock_gettime64 availability
 - fix EFI crash in create_mapping_late()
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM fixes from Russell King:

 - avoid invoking overflow handler for uaccess watchpoints

 - fix incorrect clock_gettime64 availability

 - fix EFI crash in create_mapping_late()

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 8988/1: mmu: fix crash in EFI calls due to p4d typo in create_mapping_late()
  ARM: 8987/1: VDSO: Fix incorrect clock_gettime64
  ARM: 8986/1: hw_breakpoint: Don't invoke overflow handler on uaccess watchpoints
2020-07-31 09:33:45 -07:00
Linus Torvalds
ae2911de2e RDMA fourth 5.8 rc pull request
Two more merge window regressions, a corruption bug in hfi1 and a few
 other small fixes.
 
 - Missing user input validation regression in ucma
 
 - Disallowing a previously allowed user combination regression in mlx5
 
 - ODP prefetch memory leaking triggerable by userspace
 
 - Memory corruption in hf1 due to faulty ring buffer logic
 
 - Missed mutex initialization crash in mlx5
 
 - Two small defects with RDMA DIM
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma fixes from Jason Gunthorpe:
 "Two more merge window regressions, a corruption bug in hfi1 and a few
  other small fixes.

   - Missing user input validation regression in ucma

   - Disallowing a previously allowed user combination regression in
     mlx5

   - ODP prefetch memory leaking triggerable by userspace

   - Memory corruption in hf1 due to faulty ring buffer logic

   - Missed mutex initialization crash in mlx5

   - Two small defects with RDMA DIM"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  RDMA/core: Free DIM memory in error unwind
  RDMA/core: Stop DIM before destroying CQ
  RDMA/mlx5: Initialize QP mutex for the debug kernels
  IB/rdmavt: Fix RQ counting issues causing use of an invalid RWQE
  RDMA/mlx5: Allow providing extra scatter CQE QP flag
  RDMA/mlx5: Fix prefetch memory leak if get_prefetchable_mr fails
  RDMA/cm: Add min length checks to user structure copies
2020-07-31 09:22:10 -07:00
Linus Torvalds
78431ab723 sound fixes for 5.8-final or -rc8
A few wrap-up small fixes for the usual HD-audio and USB-audio stuff:
 - A regression fix for S3 suspend on old Intel platforms
 - A fix for possible Oops in ASoC HD-audio binding
 - Trivial quirks for various devices
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Merge tag 'sound-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A few wrap-up small fixes for the usual HD-audio and USB-audio stuff:

   - A regression fix for S3 suspend on old Intel platforms

   - A fix for possible Oops in ASoC HD-audio binding

   - Trivial quirks for various devices"

* tag 'sound-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda/realtek - Fixed HP right speaker no sound
  ALSA: hda: fix NULL pointer dereference during suspend
  ALSA: hda/hdmi: Fix keep_power assignment for non-component devices
  ALSA: hda: Workaround for spurious wakeups on some Intel platforms
  ALSA: hda/realtek: Fix add a "ultra_low_power" function for intel reference board (alc256)
  ALSA: hda/realtek: typo_fix: enable headset mic of ASUS ROG Zephyrus G14(GA401) series with ALC289
  ALSA: hda/realtek: enable headset mic of ASUS ROG Zephyrus G15(GA502) series with ALC289
  ALSA: usb-audio: Add implicit feedback quirk for SSL2
2020-07-31 09:17:24 -07:00
Ben Hutchings
39efdd94e3 libtraceevent: Fix build with binutils 2.35
In binutils 2.35, 'nm -D' changed to show symbol versions along with
symbol names, with the usual @@ separator.  When generating
libtraceevent-dynamic-list we need just the names, so strip off the
version suffix if present.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-trace-devel@vger.kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-07-31 09:31:55 -03:00
Wei Li
bd3c628f8f perf tools: Fix record failure when mixed with ARM SPE event
When recording with cache-misses and arm_spe_x event, I found that it
will just fail without showing any error info if i put cache-misses
after 'arm_spe_x' event.

  [root@localhost 0620]# perf record -e cache-misses \
				-e arm_spe_0/ts_enable=1,pct_enable=1,pa_enable=1,load_filter=1,jitter=1,store_filter=1,min_latency=0/ sleep 1
  [ perf record: Woken up 1 times to write data ]
  [ perf record: Captured and wrote 0.067 MB perf.data ]
  [root@localhost 0620]#
  [root@localhost 0620]# perf record -e arm_spe_0/ts_enable=1,pct_enable=1,pa_enable=1,load_filter=1,jitter=1,store_filter=1,min_latency=0/ \
				     -e  cache-misses sleep 1
  [root@localhost 0620]#

The current code can only work if the only event to be traced is an
'arm_spe_x', or if it is the last event to be specified. Otherwise the
last event type will be checked against all the arm_spe_pmus[i]->types,
none will match and an out of bound 'i' index will be used in
arm_spe_recording_init().

We don't support concurrent multiple arm_spe_x events currently, that
is checked in arm_spe_recording_options(), and it will show the relevant
info. So add the check and record of the first found 'arm_spe_pmu' to
fix this issue here.

Fixes: ffd3d18c20 ("perf tools: Add ARM Statistical Profiling Extensions (SPE) support")
Signed-off-by: Wei Li <liwei391@huawei.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Tested-by-by: Leo Yan <leo.yan@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Hanjun Guo <guohanjun@huawei.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kim Phillips <kim.phillips@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lore.kernel.org/lkml/20200724071111.35593-2-liwei391@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-07-31 09:29:01 -03:00
Thomas Richter
463538a383 perf tests: Fix test 68 zstd compression for s390
Commit 5aa98879ef ("s390/cpum_sf: prohibit callchain data collection")
prohibits call graph sampling for hardware events on s390. The
information recorded is out of context and does not match.

On s390 this commit now breaks test case 68 Zstd perf.data
compression/decompression.

Therefore omit call graph sampling on s390 in this test.

Output before:
  [root@t35lp46 perf]# ./perf test -Fv 68
  68: Zstd perf.data compression/decompression              :
  --- start ---
  Collecting compressed record file:
  Error:
  cycles: PMU Hardware doesn't support sampling/overflow-interrupts.
                                Try 'perf stat'
  ---- end ----
  Zstd perf.data compression/decompression: FAILED!
  [root@t35lp46 perf]#

Output after:
[root@t35lp46 perf]# ./perf test -Fv 68
  68: Zstd perf.data compression/decompression              :
  --- start ---
  Collecting compressed record file:
  500+0 records in
  500+0 records out
  256000 bytes (256 kB, 250 KiB) copied, 0.00615638 s, 41.6 MB/s
  [ perf record: Woken up 1 times to write data ]
  [ perf record: Captured and wrote 0.004 MB /tmp/perf.data.X3M,
                        compressed (original 0.002 MB, ratio is 3.609) ]
  Checking compressed events stats:
  # compressed : Zstd, level = 1, ratio = 4
        COMPRESSED events:          1
  2ELIFREPh---- end ----
  Zstd perf.data compression/decompression: Ok
  [root@t35lp46 perf]#

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Reviewed-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Link: http://lore.kernel.org/lkml/20200729135314.91281-1-tmricht@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-07-31 09:27:32 -03:00
Philippe Duplessis-Guindon
e24c6447cc tools lib traceevent: Fix memory leak in process_dynamic_array_len
I compiled with AddressSanitizer and I had these memory leaks while I
was using the tep_parse_format function:

    Direct leak of 28 byte(s) in 4 object(s) allocated from:
        #0 0x7fb07db49ffe in __interceptor_realloc (/lib/x86_64-linux-gnu/libasan.so.5+0x10dffe)
        #1 0x7fb07a724228 in extend_token /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:985
        #2 0x7fb07a724c21 in __read_token /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:1140
        #3 0x7fb07a724f78 in read_token /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:1206
        #4 0x7fb07a725191 in __read_expect_type /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:1291
        #5 0x7fb07a7251df in read_expect_type /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:1299
        #6 0x7fb07a72e6c8 in process_dynamic_array_len /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:2849
        #7 0x7fb07a7304b8 in process_function /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:3161
        #8 0x7fb07a730900 in process_arg_token /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:3207
        #9 0x7fb07a727c0b in process_arg /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:1786
        #10 0x7fb07a731080 in event_read_print_args /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:3285
        #11 0x7fb07a731722 in event_read_print /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:3369
        #12 0x7fb07a740054 in __tep_parse_format /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:6335
        #13 0x7fb07a74047a in __parse_event /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:6389
        #14 0x7fb07a740536 in tep_parse_format /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:6431
        #15 0x7fb07a785acf in parse_event ../../../src/fs-src/fs.c:251
        #16 0x7fb07a785ccd in parse_systems ../../../src/fs-src/fs.c:284
        #17 0x7fb07a786fb3 in read_metadata ../../../src/fs-src/fs.c:593
        #18 0x7fb07a78760e in ftrace_fs_source_init ../../../src/fs-src/fs.c:727
        #19 0x7fb07d90c19c in add_component_with_init_method_data ../../../../src/lib/graph/graph.c:1048
        #20 0x7fb07d90c87b in add_source_component_with_initialize_method_data ../../../../src/lib/graph/graph.c:1127
        #21 0x7fb07d90c92a in bt_graph_add_source_component ../../../../src/lib/graph/graph.c:1152
        #22 0x55db11aa632e in cmd_run_ctx_create_components_from_config_components ../../../src/cli/babeltrace2.c:2252
        #23 0x55db11aa6fda in cmd_run_ctx_create_components ../../../src/cli/babeltrace2.c:2347
        #24 0x55db11aa780c in cmd_run ../../../src/cli/babeltrace2.c:2461
        #25 0x55db11aa8a7d in main ../../../src/cli/babeltrace2.c:2673
        #26 0x7fb07d5460b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2)

The token variable in the process_dynamic_array_len function is
allocated in the read_expect_type function, but is not freed before
calling the read_token function.

Free the token variable before calling read_token in order to plug the
leak.

Signed-off-by: Philippe Duplessis-Guindon <pduplessis@efficios.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: https://lore.kernel.org/linux-trace-devel/20200730150236.5392-1-pduplessis@efficios.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-07-31 09:23:13 -03:00
Wanpeng Li
830f01b089 KVM: SVM: Fix disable pause loop exit/pause filtering capability on SVM
'Commit 8566ac8b8e ("KVM: SVM: Implement pause loop exit logic in SVM")'
drops disable pause loop exit/pause filtering capability completely, I
guess it is a merge fault by Radim since disable vmexits capabilities and
pause loop exit for SVM patchsets are merged at the same time. This patch
reintroduces the disable pause loop exit/pause filtering capability support.

Reported-by: Haiwei Li <lihaiwei@tencent.com>
Tested-by: Haiwei Li <lihaiwei@tencent.com>
Fixes: 8566ac8b ("KVM: SVM: Implement pause loop exit logic in SVM")
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Message-Id: <1596165141-28874-3-git-send-email-wanpengli@tencent.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-07-31 03:20:32 -04:00
Wanpeng Li
d2286ba7d5 KVM: LAPIC: Prevent setting the tscdeadline timer if the lapic is hw disabled
Prevent setting the tscdeadline timer if the lapic is hw disabled.

Fixes: bce87cce88 (KVM: x86: consolidate different ways to test for in-kernel LAPIC)
Cc: <stable@vger.kernel.org>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Message-Id: <1596165141-28874-1-git-send-email-wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-07-31 03:20:15 -04:00
Linus Torvalds
d8b9faec54 drm fixes for 5.8-rc8 (part 2)
nouveau:
 - final modifiers regression fix
 
 amdgpu:
 - Revert a fix which caused other regressions
 - Fix potential kernel info leak
 - Fix a use-after-free bug that was uncovered by another change in 5.7
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Merge tag 'drm-fixes-2020-07-31' of git://anongit.freedesktop.org/drm/drm

Pull more drm fixes from Dave Airlie:
 "As mentioned previously this contains the nouveau regression fix.

  amdgpu had three fixes outstanding as well, one revert, an info leak
  and use after free. The use after free is a bit trickier than I'd
  like, and I've personally gone over it to confirm I'm happy that it is
  doing what it says.

  nouveau:
   - final modifiers regression fix

  amdgpu:
   - Revert a fix which caused other regressions
   - Fix potential kernel info leak
   - Fix a use-after-free bug that was uncovered by another change in 5.7"

* tag 'drm-fixes-2020-07-31' of git://anongit.freedesktop.org/drm/drm:
  drm/nouveau: Accept 'legacy' format modifiers
  Revert "drm/amdgpu: Fix NULL dereference in dpm sysfs handlers"
  drm/amd/display: Clear dm_state for fast updates
  drm/amdgpu: Prevent kernel-infoleak in amdgpu_info_ioctl()
2020-07-30 21:26:42 -07:00
Dave Airlie
887c909dd5 Merge tag 'amd-drm-fixes-5.8-2020-07-30' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
amd-drm-fixes-5.8-2020-07-30:

amdgpu:
- Revert a fix which caused other regressions
- Fix potential kernel info leak
- Fix a use-after-free bug that was uncovered by another change in 5.7

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200730154338.244104-1-alexander.deucher@amd.com
2020-07-31 13:04:00 +10:00
James Jones
faa0fcf943 drm/nouveau: Accept 'legacy' format modifiers
Accept the DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK()
family of modifiers to handle broken userspace
Xorg modesetting and Mesa drivers. Existing Mesa
drivers are still aware of only these older
format modifiers which do not differentiate
between different variations of the block linear
layout. When the format modifier support flag was
flipped in the nouveau kernel driver, the X.org
modesetting driver began attempting to use its
format modifier-enabled framebuffer path. Because
the set of format modifiers advertised by the
kernel prior to this change do not intersect with
the set of format modifiers advertised by Mesa,
allocating GBM buffers using format modifiers
fails and the modesetting driver falls back to
non-modifier allocation. However, it still later
queries the modifier of the GBM buffer when
creating its DRM-KMS framebuffer object, receives
the old-format modifier from Mesa, and attempts
to create a framebuffer with it. Since the kernel
is still not aware of these formats, this fails.

Userspace should not be attempting to query format
modifiers of GBM buffers allocated with a non-
format-modifier-aware allocation path, but to
avoid breaking existing userspace behavior, this
change accepts the old-style format modifiers when
creating framebuffers and applying them to planes
by translating them to the equivalent new-style
modifier. To accomplish this, some layout
parameters must be assumed to match properties of
the device targeted by the relevant ioctls. To
avoid perpetuating misuse of the old-style
modifiers, this change does not advertise support
for them. Doing so would imply compatibility
between devices with incompatible memory layouts.

Tested with Xorg 1.20 modesetting driver,
weston@c46c70dac84a4b3030cd05b380f9f410536690fc,
gnome & KDE wayland desktops from Ubuntu 18.04,
and sway 1.5

Reported-by: Kirill A. Shutemov <kirill@shutemov.name>
Fixes: fa4f4c213f ("drm/nouveau/kms: Support NVIDIA format modifiers")
Link: https://lkml.org/lkml/2020/6/30/1251
Signed-off-by: James Jones <jajones@nvidia.com>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2020-07-31 12:24:51 +10:00
Xin Xiong
e692139e6a net/mlx5e: fix bpf_prog reference count leaks in mlx5e_alloc_rq
The function invokes bpf_prog_inc(), which increases the reference
count of a bpf_prog object "rq->xdp_prog" if the object isn't NULL.

The refcount leak issues take place in two error handling paths. When
either mlx5_wq_ll_create() or mlx5_wq_cyc_create() fails, the function
simply returns the error code and forgets to drop the reference count
increased earlier, causing a reference count leak of "rq->xdp_prog".

Fix this issue by jumping to the error handling path err_rq_wq_destroy
while either function fails.

Fixes: 422d4c401e ("net/mlx5e: RX, Split WQ objects for different RQ types")
Signed-off-by: Xin Xiong <xiongx18@fudan.edu.cn>
Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-07-30 18:53:55 -07:00
Jianbo Liu
6f7bbad18e net/mlx5e: E-Switch, Specify flow_source for rule with no in_port
The flow_source must be specified, even for rule without matching
source vport, because some actions are only allowed in uplink.
Otherwise, rule can't be offloaded and firmware syndrome happens.

Fixes: 6fb0701a9c ("net/mlx5: E-Switch, Add support for offloading rules with no in_port")
Signed-off-by: Jianbo Liu <jianbol@mellanox.com>
Reviewed-by: Chris Mi <chrism@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-07-30 18:53:53 -07:00
Jianbo Liu
0faddfe6b7 net/mlx5e: E-Switch, Add misc bit when misc fields changed for mirroring
The modified flow_context fields in FTE must be indicated in
modify_enable bitmask. Previously, the misc bit in modify_enable is
always set as source vport must be set for each rule. So, when parsing
vxlan/gre/geneve/qinq rules, this bit is not set because those are all
from the same misc fileds that source vport fields are located at, and
we don't need to set the indicator twice.

After adding per vport tables for mirroring, misc bit is not set, then
firmware syndrome happens. To fix it, set the bit wherever misc fileds
are changed. This also makes it unnecessary to check misc fields and set
the misc bit accordingly in metadata matching, so here remove it.

Besides, flow_source must be specified for uplink because firmware
will check it and some actions are only allowed for packets received
from uplink.

Fixes: 96e326878f ("net/mlx5e: Eswitch, Use per vport tables for mirroring")
Signed-off-by: Jianbo Liu <jianbol@mellanox.com>
Reviewed-by: Chris Mi <chrism@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-07-30 18:53:50 -07:00
Jianbo Liu
01cefbbe2c net/mlx5e: CT: Support restore ipv6 tunnel
Currently the driver restores only IPv4 tunnel headers.
Add support for restoring IPv6 tunnel header.

Fixes: b8ce903709 ("net/mlx5e: Restore tunnel metadata on miss")
Signed-off-by: Jianbo Liu <jianbol@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-07-30 18:53:47 -07:00
David S. Miller
d0c3c75d5d A couple of more changes:
* remove a warning that can trigger in certain races
  * check a function pointer before using it
  * check before adding 6 GHz to avoid a warning in mesh
  * fix two memory leaks in mesh
  * fix a TX status bug leading to a memory leak
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Merge tag 'mac80211-for-davem-2020-07-30' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
A couple of more changes:
 * remove a warning that can trigger in certain races
 * check a function pointer before using it
 * check before adding 6 GHz to avoid a warning in mesh
 * fix two memory leaks in mesh
 * fix a TX status bug leading to a memory leak
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-30 17:47:34 -07:00
Wang Hai
85496a2922 net: gemini: Fix missing clk_disable_unprepare() in error path of gemini_ethernet_port_probe()
Fix the missing clk_disable_unprepare() before return
from gemini_ethernet_port_probe() in the error handling case.

Fixes: 4d5ae32f5e ("net: ethernet: Add a driver for Gemini gigabit ethernet")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-30 17:45:13 -07:00
Shannon Nelson
59929fbb45 ionic: unlock queue mutex in error path
On an error return, jump to the unlock at the end to be sure
to unlock the queue_lock mutex.

Fixes: 0925e9db4d ("ionic: use mutex to protect queue operations")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-30 17:37:16 -07:00
Xin Xiong
51875dad43 atm: fix atm_dev refcnt leaks in atmtcp_remove_persistent
atmtcp_remove_persistent() invokes atm_dev_lookup(), which returns a
reference of atm_dev with increased refcount or NULL if fails.

The refcount leaks issues occur in two error handling paths. If
dev_data->persist is zero or PRIV(dev)->vcc isn't NULL, the function
returns 0 without decreasing the refcount kept by a local variable,
resulting in refcount leaks.

Fix the issue by adding atm_dev_put() before returning 0 both when
dev_data->persist is zero or PRIV(dev)->vcc isn't NULL.

Signed-off-by: Xin Xiong <xiongx18@fudan.edu.cn>
Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-30 17:35:53 -07:00
Landen Chao
555a893303 net: ethernet: mtk_eth_soc: fix MTU warnings
in recent kernel versions there are warnings about incorrect MTU size
like these:

eth0: mtu greater than device maximum
mtk_soc_eth 1b100000.ethernet eth0: error -22 setting MTU to include DSA overhead

Fixes: bfcb813203 ("net: dsa: configure the MTU for switch ports")
Fixes: 72579e14a1 ("net: dsa: don't fail to probe if we couldn't set the MTU")
Fixes: 7a4c53bee3 ("net: report invalid mtu value via netlink extack")
Signed-off-by: Landen Chao <landen.chao@mediatek.com>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-30 16:56:30 -07:00
Lu Wei
366228ed01 net: nixge: fix potential memory leak in nixge_probe()
If some processes in nixge_probe() fail, free_netdev(dev)
needs to be called to aviod a memory leak.

Fixes: 87ab207981 ("net: nixge: Separate ctrl and dma resources")
Fixes: abcd3d6fc6 ("net: nixge: Fix error path for obtaining mac address")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Lu Wei <luwei32@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-30 16:55:39 -07:00