Remove xdp_redirect_sg counter and the related ethtool entry since it is
no longer used.
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Even if full XDP_REDIRECT is not supported yet for non-linear XDP buffers
since we allow redirecting just into CPUMAPs, unlock XDP_REDIRECT for
S/G XDP buffer and rely on XDP stack to properly take care of the
frames.
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current release - regressions:
- bpf: fix nullness propagation for reg to reg comparisons,
avoid null-deref
- inet: control sockets should not use current thread task_frag
- bpf: always use maximal size for copy_array()
- eth: bnxt_en: don't link netdev to a devlink port for VFs
Current release - new code bugs:
- rxrpc: fix a couple of potential use-after-frees
- netfilter: conntrack: fix IPv6 exthdr error check
- wifi: iwlwifi: fw: skip PPAG for JF, avoid FW crashes
- eth: dsa: qca8k: various fixes for the in-band register access
- eth: nfp: fix schedule in atomic context when sync mc address
- eth: renesas: rswitch: fix getting mac address from device tree
- mobile: ipa: use proper endpoint mask for suspend
Previous releases - regressions:
- tcp: add TIME_WAIT sockets in bhash2, fix regression caught
by Jiri / python tests
- net: tc: don't intepret cls results when asked to drop, fix
oob-access
- vrf: determine the dst using the original ifindex for multicast
- eth: bnxt_en:
- fix XDP RX path if BPF adjusted packet length
- fix HDS (header placement) and jumbo thresholds for RX packets
- eth: ice: xsk: do not use xdp_return_frame() on tx_buf->raw_buf,
avoid memory corruptions
Previous releases - always broken:
- ulp: prevent ULP without clone op from entering the LISTEN status
- veth: fix race with AF_XDP exposing old or uninitialized descriptors
- bpf:
- pull before calling skb_postpull_rcsum() (fix checksum support
and avoid a WARN())
- fix panic due to wrong pageattr of im->image (when livepatch
and kretfunc coexist)
- keep a reference to the mm, in case the task is dead
- mptcp: fix deadlock in fastopen error path
- netfilter:
- nf_tables: perform type checking for existing sets
- nf_tables: honor set timeout and garbage collection updates
- ipset: fix hash:net,port,net hang with /0 subnet
- ipset: avoid hung task warning when adding/deleting entries
- selftests: net:
- fix cmsg_so_mark.sh test hang on non-x86 systems
- fix the arp_ndisc_evict_nocarrier test for IPv6
- usb: rndis_host: secure rndis_query check against int overflow
- eth: r8169: fix dmar pte write access during suspend/resume with WOL
- eth: lan966x: fix configuration of the PCS
- eth: sparx5: fix reading of the MAC address
- eth: qed: allow sleep in qed_mcp_trace_dump()
- eth: hns3:
- fix interrupts re-initialization after VF FLR
- fix handling of promisc when MAC addr table gets full
- refine the handling for VF heartbeat
- eth: mlx5:
- properly handle ingress QinQ-tagged packets on VST
- fix io_eq_size and event_eq_size params validation on big endian
- fix RoCE setting at HCA level if not supported at all
- don't turn CQE compression on by default for IPoIB
- eth: ena:
- fix toeplitz initial hash key value
- account for the number of XDP-processed bytes in interface stats
- fix rx_copybreak value update
Misc:
- ethtool: harden phy stat handling against buggy drivers
- docs: netdev: convert maintainer's doc from FAQ to a normal document
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf, wifi, and netfilter.
Current release - regressions:
- bpf: fix nullness propagation for reg to reg comparisons, avoid
null-deref
- inet: control sockets should not use current thread task_frag
- bpf: always use maximal size for copy_array()
- eth: bnxt_en: don't link netdev to a devlink port for VFs
Current release - new code bugs:
- rxrpc: fix a couple of potential use-after-frees
- netfilter: conntrack: fix IPv6 exthdr error check
- wifi: iwlwifi: fw: skip PPAG for JF, avoid FW crashes
- eth: dsa: qca8k: various fixes for the in-band register access
- eth: nfp: fix schedule in atomic context when sync mc address
- eth: renesas: rswitch: fix getting mac address from device tree
- mobile: ipa: use proper endpoint mask for suspend
Previous releases - regressions:
- tcp: add TIME_WAIT sockets in bhash2, fix regression caught by
Jiri / python tests
- net: tc: don't intepret cls results when asked to drop, fix
oob-access
- vrf: determine the dst using the original ifindex for multicast
- eth: bnxt_en:
- fix XDP RX path if BPF adjusted packet length
- fix HDS (header placement) and jumbo thresholds for RX packets
- eth: ice: xsk: do not use xdp_return_frame() on tx_buf->raw_buf,
avoid memory corruptions
Previous releases - always broken:
- ulp: prevent ULP without clone op from entering the LISTEN status
- veth: fix race with AF_XDP exposing old or uninitialized
descriptors
- bpf:
- pull before calling skb_postpull_rcsum() (fix checksum support
and avoid a WARN())
- fix panic due to wrong pageattr of im->image (when livepatch and
kretfunc coexist)
- keep a reference to the mm, in case the task is dead
- mptcp: fix deadlock in fastopen error path
- netfilter:
- nf_tables: perform type checking for existing sets
- nf_tables: honor set timeout and garbage collection updates
- ipset: fix hash:net,port,net hang with /0 subnet
- ipset: avoid hung task warning when adding/deleting entries
- selftests: net:
- fix cmsg_so_mark.sh test hang on non-x86 systems
- fix the arp_ndisc_evict_nocarrier test for IPv6
- usb: rndis_host: secure rndis_query check against int overflow
- eth: r8169: fix dmar pte write access during suspend/resume with
WOL
- eth: lan966x: fix configuration of the PCS
- eth: sparx5: fix reading of the MAC address
- eth: qed: allow sleep in qed_mcp_trace_dump()
- eth: hns3:
- fix interrupts re-initialization after VF FLR
- fix handling of promisc when MAC addr table gets full
- refine the handling for VF heartbeat
- eth: mlx5:
- properly handle ingress QinQ-tagged packets on VST
- fix io_eq_size and event_eq_size params validation on big endian
- fix RoCE setting at HCA level if not supported at all
- don't turn CQE compression on by default for IPoIB
- eth: ena:
- fix toeplitz initial hash key value
- account for the number of XDP-processed bytes in interface stats
- fix rx_copybreak value update
Misc:
- ethtool: harden phy stat handling against buggy drivers
- docs: netdev: convert maintainer's doc from FAQ to a normal
document"
* tag 'net-6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (112 commits)
caif: fix memory leak in cfctrl_linkup_request()
inet: control sockets should not use current thread task_frag
net/ulp: prevent ULP without clone op from entering the LISTEN status
qed: allow sleep in qed_mcp_trace_dump()
MAINTAINERS: Update maintainers for ptp_vmw driver
usb: rndis_host: Secure rndis_query check against int overflow
net: dpaa: Fix dtsec check for PCS availability
octeontx2-pf: Fix lmtst ID used in aura free
drivers/net/bonding/bond_3ad: return when there's no aggregator
netfilter: ipset: Rework long task execution when adding/deleting entries
netfilter: ipset: fix hash:net,port,net hang with /0 subnet
net: sparx5: Fix reading of the MAC address
vxlan: Fix memory leaks in error path
net: sched: htb: fix htb_classify() kernel-doc
net: sched: cbq: dont intepret cls results when asked to drop
net: sched: atm: dont intepret cls results when asked to drop
dt-bindings: net: marvell,orion-mdio: Fix examples
dt-bindings: net: sun8i-emac: Add phy-supply property
net: ipa: use proper endpoint mask for suspend
selftests: net: return non-zero for failures reported in arp_ndisc_evict_nocarrier
...
- fix a reference leak in gpio-sifive
- fix a potential use of an uninitialized variable in core gpiolib
- fix a potential use of an uninitialized variable in gpio-pca953x
- make GPIO irqchips immutable in gpio-pmic-eic-sprd, gpio-eic-sprd and
gpio-sprd
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Merge tag 'gpio-fixes-for-v6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
"A reference leak fix, two fixes for using uninitialized variables and
more drivers converted to using immutable irqchips:
- fix a reference leak in gpio-sifive
- fix a potential use of an uninitialized variable in core gpiolib
- fix a potential use of an uninitialized variable in gpio-pca953x
- make GPIO irqchips immutable in gpio-pmic-eic-sprd, gpio-eic-sprd
and gpio-sprd"
* tag 'gpio-fixes-for-v6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: sifive: Fix refcount leak in sifive_gpio_probe
gpio: sprd: Make the irqchip immutable
gpio: pmic-eic-sprd: Make the irqchip immutable
gpio: eic-sprd: Make the irqchip immutable
gpio: pca953x: avoid to use uninitialized value pinctrl
gpiolib: Fix using uninitialized lookup-flags on ACPI platforms
- Fix Matrox G200eW initialization failure
- Fix build failure of offb driver when built as module
- Optimize stack usage in omapfb
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Merge tag 'fbdev-for-6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev fixes from Helge Deller:
- Fix Matrox G200eW initialization failure
- Fix build failure of offb driver when built as module
- Optimize stack usage in omapfb
* tag 'fbdev-for-6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
fbdev: omapfb: avoid stack overflow warning
fbdev: matroxfb: G200eW: Increase max memory from 1 MB to 16 MB
fbdev: atyfb: use strscpy() to instead of strncpy()
fbdev: omapfb: use strscpy() to instead of strncpy()
fbdev: make offb driver tristate
Use PHY framework APIs to initialize the SERDES PHY connected to CPSW MAC.
Define the functions am65_cpsw_disable_phy(), am65_cpsw_enable_phy(),
am65_cpsw_disable_serdes_phy() and am65_cpsw_enable_serdes_phy().
Add new member "serdes_phy" to struct "am65_cpsw_slave_data" to store the
SERDES PHY for each port, if it exists. Use it later while disabling the
SERDES PHY for each port.
Power on and initialize the SerDes PHY in am65_cpsw_nuss_init_slave_ports()
by invoking am65_cpsw_enable_serdes_phy().
Power off the SerDes PHY in am65_cpsw_nuss_remove() by invoking
am65_cpsw_disable_serdes_phy().
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
CPSW9G in J721e supports additional modes like QSGMII.
Add new compatible for J721e in am65-cpsw driver.
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Update bindings for TI K3 J721e SoC which contains 9 ports (8 external
ports) CPSW9G module and add compatible for it.
Changes made:
- Add new compatible ti,j721e-cpswxg-nuss for CPSW9G.
- Extend pattern properties for new compatible.
- Change maximum number of CPSW ports to 8 for new compatible.
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The dsi_irq_stats structure is a little too big to fit on the
stack of a 32-bit task, depending on the specific gcc options:
fbdev/omap2/omapfb/dss/dsi.c: In function 'dsi_dump_dsidev_irqs':
fbdev/omap2/omapfb/dss/dsi.c:1621:1: error: the frame size of 1064 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]
Since this is only a debugfs file, performance is not critical,
so just dynamically allocate it, and print an error message
in there in place of a failure code when the allocation fails.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Helge Deller <deller@gmx.de>
When linktype is unknown or kzalloc failed in cfctrl_linkup_request(),
pkt is not released. Add release process to error path.
Fixes: b482cd2053 ("net-caif: add CAIF core protocol stack")
Fixes: 8d545c8f95 ("caif: Disconnect without waiting for response")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20230104065146.1153009-1-shaozhengchao@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Because ICMP handlers run from softirq contexts,
they must not use current thread task_frag.
Previously, all sockets allocated by inet_ctl_sock_create()
would use the per-socket page fragment, with no chance of
recursion.
Fixes: 98123866fc ("Treewide: Stop corrupting socket's task_frag")
Reported-by: syzbot+bebc6f1acdf4cbb79b03@syzkaller.appspotmail.com
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Benjamin Coddington <bcodding@redhat.com>
Acked-by: Guillaume Nault <gnault@redhat.com>
Link: https://lore.kernel.org/r/20230103192736.454149-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When an ULP-enabled socket enters the LISTEN status, the listener ULP data
pointer is copied inside the child/accepted sockets by sk_clone_lock().
The relevant ULP can take care of de-duplicating the context pointer via
the clone() operation, but only MPTCP and SMC implement such op.
Other ULPs may end-up with a double-free at socket disposal time.
We can't simply clear the ULP data at clone time, as TLS replaces the
socket ops with custom ones assuming a valid TLS ULP context is
available.
Instead completely prevent clone-less ULP sockets from entering the
LISTEN status.
Fixes: 734942cc4e ("tcp: ULP infrastructure")
Reported-by: slipper <slipper.alive@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Link: https://lore.kernel.org/r/4b80c3d1dbe3d0ab072f80450c202d9bc88b4b03.1672740602.git.pabeni@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
By default, qed_mcp_cmd_and_union() delays 10us at a time in a loop
that can run 500K times, so calls to qed_mcp_nvm_rd_cmd()
may block the current thread for over 5s.
We observed thread scheduling delays over 700ms in production,
with stacktraces pointing to this code as the culprit.
qed_mcp_trace_dump() is called from ethtool, so sleeping is permitted.
It already can sleep in qed_mcp_halt(), which calls qed_mcp_cmd().
Add a "can sleep" parameter to qed_find_nvram_image() and
qed_nvram_read() so they can sleep during qed_mcp_trace_dump().
qed_mcp_trace_get_meta_info() and qed_mcp_trace_read_meta(),
called only by qed_mcp_trace_dump(), allow these functions to sleep.
I can't tell if the other caller (qed_grc_dump_mcp_hw_dump()) can sleep,
so keep b_can_sleep set to false when it calls these functions.
An example stacktrace from a custom warning we added to the kernel
showing a thread that has not scheduled despite long needing resched:
[ 2745.362925,17] ------------[ cut here ]------------
[ 2745.362941,17] WARNING: CPU: 23 PID: 5640 at arch/x86/kernel/irq.c:233 do_IRQ+0x15e/0x1a0()
[ 2745.362946,17] Thread not rescheduled for 744 ms after irq 99
[ 2745.362956,17] Modules linked in: ...
[ 2745.363339,17] CPU: 23 PID: 5640 Comm: lldpd Tainted: P O 4.4.182+ #202104120910+6d1da174272d.61x
[ 2745.363343,17] Hardware name: FOXCONN MercuryB/Quicksilver Controller, BIOS H11P1N09 07/08/2020
[ 2745.363346,17] 0000000000000000 ffff885ec07c3ed8 ffffffff8131eb2f ffff885ec07c3f20
[ 2745.363358,17] ffffffff81d14f64 ffff885ec07c3f10 ffffffff81072ac2 ffff88be98ed0000
[ 2745.363369,17] 0000000000000063 0000000000000174 0000000000000074 0000000000000000
[ 2745.363379,17] Call Trace:
[ 2745.363382,17] <IRQ> [<ffffffff8131eb2f>] dump_stack+0x8e/0xcf
[ 2745.363393,17] [<ffffffff81072ac2>] warn_slowpath_common+0x82/0xc0
[ 2745.363398,17] [<ffffffff81072b4c>] warn_slowpath_fmt+0x4c/0x50
[ 2745.363404,17] [<ffffffff810d5a8e>] ? rcu_irq_exit+0xae/0xc0
[ 2745.363408,17] [<ffffffff817c99fe>] do_IRQ+0x15e/0x1a0
[ 2745.363413,17] [<ffffffff817c7ac9>] common_interrupt+0x89/0x89
[ 2745.363416,17] <EOI> [<ffffffff8132aa74>] ? delay_tsc+0x24/0x50
[ 2745.363425,17] [<ffffffff8132aa04>] __udelay+0x34/0x40
[ 2745.363457,17] [<ffffffffa04d45ff>] qed_mcp_cmd_and_union+0x36f/0x7d0 [qed]
[ 2745.363473,17] [<ffffffffa04d5ced>] qed_mcp_nvm_rd_cmd+0x4d/0x90 [qed]
[ 2745.363490,17] [<ffffffffa04e1dc7>] qed_mcp_trace_dump+0x4a7/0x630 [qed]
[ 2745.363504,17] [<ffffffffa04e2556>] ? qed_fw_asserts_dump+0x1d6/0x1f0 [qed]
[ 2745.363520,17] [<ffffffffa04e4ea7>] qed_dbg_mcp_trace_get_dump_buf_size+0x37/0x80 [qed]
[ 2745.363536,17] [<ffffffffa04ea881>] qed_dbg_feature_size+0x61/0xa0 [qed]
[ 2745.363551,17] [<ffffffffa04eb427>] qed_dbg_all_data_size+0x247/0x260 [qed]
[ 2745.363560,17] [<ffffffffa0482c10>] qede_get_regs_len+0x30/0x40 [qede]
[ 2745.363566,17] [<ffffffff816c9783>] ethtool_get_drvinfo+0xe3/0x190
[ 2745.363570,17] [<ffffffff816cc152>] dev_ethtool+0x1362/0x2140
[ 2745.363575,17] [<ffffffff8109bcc6>] ? finish_task_switch+0x76/0x260
[ 2745.363580,17] [<ffffffff817c2116>] ? __schedule+0x3c6/0x9d0
[ 2745.363585,17] [<ffffffff810dbd50>] ? hrtimer_start_range_ns+0x1d0/0x370
[ 2745.363589,17] [<ffffffff816c1e5b>] ? dev_get_by_name_rcu+0x6b/0x90
[ 2745.363594,17] [<ffffffff816de6a8>] dev_ioctl+0xe8/0x710
[ 2745.363599,17] [<ffffffff816a58a8>] sock_do_ioctl+0x48/0x60
[ 2745.363603,17] [<ffffffff816a5d87>] sock_ioctl+0x1c7/0x280
[ 2745.363608,17] [<ffffffff8111f393>] ? seccomp_phase1+0x83/0x220
[ 2745.363612,17] [<ffffffff811e3503>] do_vfs_ioctl+0x2b3/0x4e0
[ 2745.363616,17] [<ffffffff811e3771>] SyS_ioctl+0x41/0x70
[ 2745.363619,17] [<ffffffff817c6ffe>] entry_SYSCALL_64_fastpath+0x1e/0x79
[ 2745.363622,17] ---[ end trace f6954aa440266421 ]---
Fixes: c965db4446 ("qed: Add support for debug data collection")
Signed-off-by: Caleb Sander <csander@purestorage.com>
Acked-by: Alok Prasad <palok@marvell.com>
Link: https://lore.kernel.org/r/20230103233021.1457646-1-csander@purestorage.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:
====================
bpf-next 2023-01-04
We've added 45 non-merge commits during the last 21 day(s) which contain
a total of 50 files changed, 1454 insertions(+), 375 deletions(-).
The main changes are:
1) Fixes, improvements and refactoring of parts of BPF verifier's
state equivalence checks, from Andrii Nakryiko.
2) Fix a few corner cases in libbpf's BTF-to-C converter in particular
around padding handling and enums, also from Andrii Nakryiko.
3) Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to better
support decap on GRE tunnel devices not operating in collect metadata,
from Christian Ehrig.
4) Improve x86 JIT's codegen for PROBE_MEM runtime error checks,
from Dave Marchevsky.
5) Remove the need for trace_printk_lock for bpf_trace_printk
and bpf_trace_vprintk helpers, from Jiri Olsa.
6) Add proper documentation for BPF_MAP_TYPE_SOCK{MAP,HASH} maps,
from Maryam Tahhan.
7) Improvements in libbpf's btf_parse_elf error handling, from Changbin Du.
8) Bigger batch of improvements to BPF tracing code samples,
from Daniel T. Lee.
9) Add LoongArch support to libbpf's bpf_tracing helper header,
from Hengqi Chen.
10) Fix a libbpf compiler warning in perf_event_open_probe on arm32,
from Khem Raj.
11) Optimize bpf_local_storage_elem by removing 56 bytes of padding,
from Martin KaFai Lau.
12) Use pkg-config to locate libelf for resolve_btfids build,
from Shen Jiamin.
13) Various libbpf improvements around API documentation and errno
handling, from Xin Liu.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (45 commits)
libbpf: Return -ENODATA for missing btf section
libbpf: Add LoongArch support to bpf_tracing.h
libbpf: Restore errno after pr_warn.
libbpf: Added the description of some API functions
libbpf: Fix invalid return address register in s390
samples/bpf: Use BPF_KSYSCALL macro in syscall tracing programs
samples/bpf: Fix tracex2 by using BPF_KSYSCALL macro
samples/bpf: Change _kern suffix to .bpf with syscall tracing program
samples/bpf: Use vmlinux.h instead of implicit headers in syscall tracing program
samples/bpf: Use kyscall instead of kprobe in syscall tracing program
bpf: rename list_head -> graph_root in field info types
libbpf: fix errno is overwritten after being closed.
bpf: fix regs_exact() logic in regsafe() to remap IDs correctly
bpf: perform byte-by-byte comparison only when necessary in regsafe()
bpf: reject non-exact register type matches in regsafe()
bpf: generalize MAYBE_NULL vs non-MAYBE_NULL rule
bpf: reorganize struct bpf_reg_state fields
bpf: teach refsafe() to take into account ID remapping
bpf: Remove unused field initialization in bpf's ctl_table
selftests/bpf: Add jit probe_mem corner case tests to s390x denylist
...
====================
Link: https://lore.kernel.org/r/20230105000926.31350-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Alexei Starovoitov says:
====================
bpf 2023-01-04
We've added 5 non-merge commits during the last 8 day(s) which contain
a total of 5 files changed, 112 insertions(+), 18 deletions(-).
The main changes are:
1) Always use maximal size for copy_array in the verifier to fix
KASAN tracking, from Kees.
2) Fix bpf task iterator walking through dead tasks, from Kui-Feng.
3) Make sure livepatch and bpf fexit can coexist, from Chuang.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Always use maximal size for copy_array()
selftests/bpf: add a test for iter/task_vma for short-lived processes
bpf: keep a reference to the mm, in case the task is dead.
selftests/bpf: Temporarily disable part of btf_dump:var_data test.
bpf: Fix panic due to wrong pageattr of im->image
====================
Link: https://lore.kernel.org/r/20230104215500.79435-1-alexei.starovoitov@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
mostly fixes all over the place, a couple of cleanups.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
"Mostly fixes all over the place, a couple of cleanups"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (32 commits)
virtio_blk: Fix signedness bug in virtblk_prep_rq()
vdpa_sim_net: should not drop the multicast/broadcast packet
vdpasim: fix memory leak when freeing IOTLBs
vdpa: conditionally fill max max queue pair for stats
vdpa/vp_vdpa: fix kfree a wrong pointer in vp_vdpa_remove
vduse: Validate vq_num in vduse_validate_config()
tools/virtio: remove smp_read_barrier_depends()
tools/virtio: remove stray characters
vhost_vdpa: fix the crash in unmap a large memory
virtio: Implementing attribute show with sysfs_emit
virtio-crypto: fix memory leak in virtio_crypto_alg_skcipher_close_session()
tools/virtio: Variable type completion
vdpa_sim: fix vringh initialization in vdpasim_queue_ready()
virtio_blk: use UINT_MAX instead of -1U
vhost-vdpa: fix an iotlb memory leak
vhost: fix range used in translate_desc()
vringh: fix range used in iotlb_translate()
vhost/vsock: Fix error handling in vhost_vsock_init()
vdpa_sim: fix possible memory leak in vdpasim_net_init() and vdpasim_blk_init()
tools: Delete the unneeded semicolon after curly braces
...
a header namespace clash and a bug in ib_prctl_set().
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2023-01-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 fixes from Ingo Molnar:
"Fix a double-free bug, a binutils warning, a header namespace clash
and a bug in ib_prctl_set()"
* tag 'x86-urgent-2023-01-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/bugs: Flush IBP in ib_prctl_set()
x86/insn: Avoid namespace clash by separating instruction decoder MMIO type from MMIO trace type
x86/asm: Fix an assembler warning with current binutils
x86/kexec: Fix double-free of elf header buffer
This series fixes the below three bugs introduced in 6.2-rc1.
- fix a null pointer dereference in f2fs_issue_flush, which occurs by the
combination of mount/remount options.
- fix a bug in per-block age-based extent_cache newly introduced in 6.2-rc1,
which reported a wrong age information in extent_cache.
- fix a kernel panic if extent_tree was not created, which was caught by a
wrong BUG_ON.
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Merge tag 'f2fs-fix-6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs fixes from Jaegeuk Kim:
- fix a null pointer dereference in f2fs_issue_flush, which occurs by
the combination of mount/remount options.
- fix a bug in per-block age-based extent_cache newly introduced in
6.2-rc1, which reported a wrong age information in extent_cache.
- fix a kernel panic if extent_tree was not created, which was caught
by a wrong BUG_ON
* tag 'f2fs-fix-6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs:
f2fs: let's avoid panic if extent_tree is not created
f2fs: should use a temp extent_info for lookup
f2fs: don't mix to use union values in extent_info
f2fs: initialize extent_cache parameter
f2fs: fix to avoid NULL pointer dereference in f2fs_issue_flush()
- Fix a filecache UAF during NFSD shutdown
- Avoid exposing automounted mounts on NFS re-exports
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Merge tag 'nfsd-6.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fixes from Chuck Lever:
- Fix a filecache UAF during NFSD shutdown
- Avoid exposing automounted mounts on NFS re-exports
* tag 'nfsd-6.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
nfsd: fix handling of readdir in v4root vs. mount upcall timeout
nfsd: shut down the NFSv4 state objects before the filecache
We missed the window between the TIF flag update and the next reschedule.
Signed-off-by: Rodrigo Branco <bsdaemon@google.com>
Reviewed-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: <stable@vger.kernel.org>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2023-01-03 (igc)
Muhammad Husaini Zulkifli says:
Improvements to the Time-Sensitive Networking (TSN) Qbv Scheduling
capabilities were included in this patch series for I226 SKU.
An overview of each patch series is given below:
Patch 1: To enable basetime scheduling in the future, remove the existing
restriction for i226 stepping while maintain the restriction for i225.
Patch 2: Remove the restriction which require a controller reset when
setting the basetime register for new i226 steps and enable the second
GCL configuration.
Patch 3: Remove the power reset adapter during disabling the tsn config.
---
Patches remaining from initial PR:
https://lore.kernel.org/netdev/20221205212414.3197525-1-anthony.l.nguyen@intel.com/
after sending net patches:
https://lore.kernel.org/netdev/20221215230758.3595578-1-anthony.l.nguyen@intel.com/
Note: patch 3 is an additional patch from the initial PR.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Vivek has decided to transfer the maintainership of the VMware virtual
PTP clock driver (ptp_vmw) to Srivatsa and Deep. Update the
MAINTAINERS file to reflect this change, and also add Alexey as a
reviewer for the driver.
Signed-off-by: Srivatsa S. Bhat (VMware) <srivatsa@csail.mit.edu>
Acked-by: Vivek Thampi <vivek@vivekthampi.com>
Acked-by: Deep Shah <sdeep@vmware.com>
Acked-by: Alexey Makhalov <amakhalov@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As discussed before, return -ENODATA (No data available) would be more
meaningful than ENOENT (No such file or directory).
Suggested-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20221231151436.6541-1-changbin.du@gmail.com
Both <linux/mmiotrace.h> and <asm/insn-eval.h> define various MMIO_ enum constants,
whose namespace overlaps.
Rename the <asm/insn-eval.h> ones to have a INSN_ prefix, so that the headers can be
used from the same source file.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20230101162910.710293-2-Jason@zx2c4.com
I225 have limitation when programming the BaseTime register which required
a power cycle of the controller. This limitation already lifted in I226.
This patch removes the restriction so that when user configure/remove any
TSN mode, it would not go into power cycle reset adapter.
How to test:
Schedule any gate control list configuration or delete it.
Example:
1)
BASE_TIME=$(date +%s%N)
tc qdisc replace dev $interface_name parent root handle 100 taprio \
num_tc 4 \
map 3 1 0 2 3 3 3 3 3 3 3 3 3 3 3 3 \
queues 1@0 1@1 1@2 1@3 \
base-time $BASE_TIME \
sched-entry S 0F 1000000 \
flags 0x2
2) tc qdisc del dev $intername_name root
Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Make reset task only executes for i225 and Qbv disabling to allow
i226 configure for 2nd GCL without resetting the adapter.
In i226, Tx won't hang if there is a GCL is already running, so in
this case we don't need to set FutScdDis bit.
Signed-off-by: Tan Tee Min <tee.min.tan@linux.intel.com>
Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Remove the Qbv BaseTime restriction for I226 so that the BaseTime can be
scheduled to the future time. A new register bit of Tx Qav Control
(Bit-7: FutScdDis) was introduced to allow I226 scheduling future time as
Qbv BaseTime and not having the Tx hang timeout issue.
Besides, according to datasheet section 7.5.2.9.3.3, FutScdDis bit has to
be configured first before the cycle time and base time.
Indeed the FutScdDis bit is only active on re-configuration, thus we have
to set the BASET_L to zero and then only set it to the desired value.
Please also note that the Qbv configuration flow is moved around based on
the Qbv programming guideline that is documented in the latest datasheet.
Co-developed-by: Tan Tee Min <tee.min.tan@linux.intel.com>
Signed-off-by: Tan Tee Min <tee.min.tan@linux.intel.com>
Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
With below two cases, it will cause NULL pointer dereference when
accessing SM_I(sbi)->fcc_info in f2fs_issue_flush().
a) If kthread_run() fails in f2fs_create_flush_cmd_control(), it will
release SM_I(sbi)->fcc_info,
- mount -o noflush_merge /dev/vda /mnt/f2fs
- mount -o remount,flush_merge /dev/vda /mnt/f2fs -- kthread_run() fails
- dd if=/dev/zero of=/mnt/f2fs/file bs=4k count=1 conv=fsync
b) we will never allocate memory for SM_I(sbi)->fcc_info w/ below
testcase,
- mount -o ro /dev/vda /mnt/f2fs
- mount -o rw,remount /dev/vda /mnt/f2fs
- dd if=/dev/zero of=/mnt/f2fs/file bs=4k count=1 conv=fsync
In order to fix this issue, let change as below:
- fix error path handling in f2fs_create_flush_cmd_control().
- allocate SM_I(sbi)->fcc_info even if readonly is on.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Variables off and len typed as uint32 in rndis_query function
are controlled by incoming RNDIS response message thus their
value may be manipulated. Setting off to a unexpectetly large
value will cause the sum with len and 8 to overflow and pass
the implemented validation step. Consequently the response
pointer will be referring to a location past the expected
buffer boundaries allowing information leakage e.g. via
RNDIS_OID_802_3_PERMANENT_ADDRESS OID.
Fixes: ddda086240 ("USB: rndis_host, various cleanups")
Signed-off-by: Szymon Heidrich <szymon.heidrich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We want to fail if the PCS is not available, not if it is available. Fix
this condition.
Fixes: 5d93cfcf73 ("net: dpaa: Convert to phylink")
Reported-by: Christian Zigotzky <info@xenosoft.de>
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Current code uses per_cpu pointer to get the lmtst_id mapped to
the core on which aura_free() is executed. Using per_cpu pointer
without preemption disable causing mismatch between lmtst_id and
core on which pointer gets freed. This patch fixes the issue by
disabling preemption around aura_free.
Fixes: ef6c8da71e ("octeontx2-pf: cn10K: Reserve LMTST lines per core")
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Otherwise we would dereference a NULL aggregator pointer when calling
__set_agg_ports_ready on the line below.
Found by Linux Verification Center (linuxtesting.org) with the SVACE
static analysis tool.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for net:
1) Use signed integer in ipv6_skip_exthdr() called from nf_confirm().
Reported by static analysis tooling, patch from Florian Westphal.
2) Missing set type checks in nf_tables: Validate that set declaration
matches the an existing set type, otherwise bail out with EEXIST.
Currently, nf_tables silently accepts the re-declaration with a
different type but it bails out later with EINVAL when the user adds
entries to the set. This fix is relatively large because it requires
two preparation patches that are included in this batch.
3) Do not ignore updates of timeout and gc_interval parameters in
existing sets.
4) Fix a hang when 0/0 subnets is added to a hash:net,port,net type of
ipset. Except hash:net,port,net and hash:net,iface, the set types don't
support 0/0 and the auxiliary functions rely on this fact. So 0/0 needs
a special handling in hash:net,port,net which was missing (hash:net,iface
was not affected by this bug), from Jozsef Kadlecsik.
5) When adding/deleting large number of elements in one step in ipset,
it can take a reasonable amount of time and can result in soft lockup
errors. This patch is a complete rework of the previous version in order
to use a smaller internal batch limit and at the same time removing
the external hard limit to add arbitrary number of elements in one step.
Also from Jozsef Kadlecsik.
Except for patch #1, which fixes a bug introduced in the previous net-next
development cycle, anything else has been broken for several releases.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'for-6.2-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"First batch of regression and regular fixes:
- regressions:
- fix error handling after conversion to qstr for paths
- fix raid56/scrub recovery caused by uninitialized variable
after conversion to error bitmaps
- restore qgroup backref lookup behaviour after recent
refactoring
- fix leak of device lists at module exit time
- fix resolving backrefs for inline extent followed by prealloc
- reset defrag ioctl buffer on memory allocation error"
* tag 'for-6.2-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix fscrypt name leak after failure to join log transaction
btrfs: scrub: fix uninitialized return value in recover_scrub_rbio
btrfs: fix resolving backrefs for inline extent followed by prealloc
btrfs: fix trace event name typo for FLUSH_DELAYED_REFS
btrfs: restore BTRFS_SEQ_LAST when looking up qgroup backref lookup
btrfs: fix leak of fs devices after removing btrfs module
btrfs: fix an error handling path in btrfs_defrag_leaves()
btrfs: fix an error handling path in btrfs_rename()
syzbot is reporting hung task at do_user_addr_fault() [1], for there is
a silent deadlock between PG_locked bit and ni_lock lock.
Since filemap_update_page() calls filemap_read_folio() after calling
folio_trylock() which will set PG_locked bit, ntfs_truncate() must not
call truncate_setsize() which will wait for PG_locked bit to be cleared
when holding ni_lock lock.
Link: https://lore.kernel.org/all/00000000000060d41f05f139aa44@google.com/
Link: https://syzkaller.appspot.com/bug?extid=bed15dbf10294aa4f2ae [1]
Reported-by: syzbot <syzbot+bed15dbf10294aa4f2ae@syzkaller.appspotmail.com>
Debugged-by: Linus Torvalds <torvalds@linux-foundation.org>
Co-developed-by: Hillf Danton <hdanton@sina.com>
Signed-off-by: Hillf Danton <hdanton@sina.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Fixes: 4342306f0f ("fs/ntfs3: Add file operations and implementation")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
After
b3e34a47f9 ("x86/kexec: fix memory leak of elf header buffer"),
freeing image->elf_headers in the error path of crash_load_segments()
is not needed because kimage_file_post_load_cleanup() will take
care of that later. And not clearing it could result in a double-free.
Drop the superfluous vfree() call at the error path of
crash_load_segments().
Fixes: b3e34a47f9 ("x86/kexec: fix memory leak of elf header buffer")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Baoquan He <bhe@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: <stable@kernel.org>
Link: https://lore.kernel.org/r/20221122115122.13937-1-tiwai@suse.de
If v4 READDIR operation hits a mountpoint and gets back an error,
then it will include that entry in the reply and set RDATTR_ERROR for it
to the error.
That's fine for "normal" exported filesystems, but on the v4root, we
need to be more careful to only expose the existence of dentries that
lead to exports.
If the mountd upcall times out while checking to see whether a
mountpoint on the v4root is exported, then we have no recourse other
than to fail the whole operation.
Cc: Steve Dickson <steved@redhat.com>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216777
Reported-by: JianHong Yin <yin-jianhong@163.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: <stable@vger.kernel.org>
Commit 62d89a7d49 ("video: fbdev: matroxfb: set maxvram of vbG200eW to
the same as vbG200 to avoid black screen") accidently decreases the
maximum memory size for the Matrox G200eW (102b:0532) from 8 MB to 1 MB
by missing one zero. This caused the driver initialization to fail with
the messages below, as the minimum required VRAM size is 2 MB:
[ 9.436420] matroxfb: Matrox MGA-G200eW (PCI) detected
[ 9.444502] matroxfb: cannot determine memory size
[ 9.449316] matroxfb: probe of 0000:0a:03.0 failed with error -1
So, add the missing 0 to make it the intended 16 MB. Successfully tested on
the Dell PowerEdge R910/0KYD3D, BIOS 2.10.0 08/29/2013, that the warning is
gone.
While at it, add a leading 0 to the maxdisplayable entry, so it’s aligned
properly. The value could probably also be increased from 8 MB to 16 MB, as
the G200 uses the same values, but I have not checked any datasheet.
Note, matroxfb is obsolete and superseded by the maintained DRM driver
mga200, which is used by default on most systems where both drivers are
available. Therefore, on most systems it was only a cosmetic issue.
Fixes: 62d89a7d49 ("video: fbdev: matroxfb: set maxvram of vbG200eW to the same as vbG200 to avoid black screen")
Link: https://lore.kernel.org/linux-fbdev/972999d3-b75d-5680-fcef-6e6905c52ac5@suse.de/T/#mb6953a9995ebd18acc8552f99d6db39787aec775
Cc: it+linux-fbdev@molgen.mpg.de
Cc: Z. Liu <liuzx@knownsec.com>
Cc: Rich Felker <dalias@libc.org>
Cc: stable@vger.kernel.org
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Helge Deller <deller@gmx.de>
When adding/deleting large number of elements in one step in ipset, it can
take a reasonable amount of time and can result in soft lockup errors. The
patch 5f7b51bf09 ("netfilter: ipset: Limit the maximal range of
consecutive elements to add/delete") tried to fix it by limiting the max
elements to process at all. However it was not enough, it is still possible
that we get hung tasks. Lowering the limit is not reasonable, so the
approach in this patch is as follows: rely on the method used at resizing
sets and save the state when we reach a smaller internal batch limit,
unlock/lock and proceed from the saved state. Thus we can avoid long
continuous tasks and at the same time removed the limit to add/delete large
number of elements in one step.
The nfnl mutex is held during the whole operation which prevents one to
issue other ipset commands in parallel.
Fixes: 5f7b51bf09 ("netfilter: ipset: Limit the maximal range of consecutive elements to add/delete")
Reported-by: syzbot+9204e7399656300bf271@syzkaller.appspotmail.com
Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The hash:net,port,net set type supports /0 subnets. However, the patch
commit 5f7b51bf09 titled "netfilter: ipset: Limit the maximal range
of consecutive elements to add/delete" did not take into account it and
resulted in an endless loop. The bug is actually older but the patch
5f7b51bf09 brings it out earlier.
Handle /0 subnets properly in hash:net,port,net set types.
Fixes: 5f7b51bf09 ("netfilter: ipset: Limit the maximal range of consecutive elements to add/delete")
Reported-by: Марк Коренберг <socketpair@gmail.com>
Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
There is an issue with the checking of the return value of
'of_get_mac_address', which returns 0 on success and negative value on
failure. The driver interpretated the result the opposite way. Therefore
if there was a MAC address defined in the DT, then the driver was
generating a random MAC address otherwise it would use address 0.
Fix this by checking correctly the return value of 'of_get_mac_address'
Fixes: b74ef9f9cb ("net: sparx5: Do not use mac_addr uninitialized in mchp_sparx5_probe()")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
