David Howells e0416e7d33 rxrpc: Fix potential race in error handling in afs_make_call() ... If the rxrpc call set up by afs_make_call() receives an error whilst it is transmitting the request, there's the possibility that it may get to the point the rxrpc call is ended (after the error_kill_call label) just as the call is queued for async processing. This could manifest itself as call->rxcall being seen as NULL in afs_deliver_to_call() when it tries to lock the call. Fix this by splitting rxrpc_kernel_end_call() into a function to shut down an rxrpc call and a function to release the caller's reference and calling the latter only when we get to afs_put_call(). Reported-by: Jeffrey Altman <jaltman@auristor.com> Signed-off-by: David Howells <dhowells@redhat.com> Tested-by: kafs-testing+fedora36_64checkkafs-build-306@auristor.com cc: Marc Dionne <marc.dionne@auristor.com> cc: "David S. Miller" <davem@davemloft.net> cc: Eric Dumazet <edumazet@google.com> cc: Jakub Kicinski <kuba@kernel.org> cc: Paolo Abeni <pabeni@redhat.com> cc: linux-afs@lists.infradead.org cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>		2023-04-22 15:16:39 +01:00
..
ABI	docs: sysfs-block: document hidden sysfs entry	2023-03-07 16:40:52 -07:00
accel
accounting
admin-guide	LoongArch: Make WriteCombine configurable for ioremap()	2023-04-18 19:38:58 +08:00
arc
arm
arm64	arm64 updates for 6.3:	2023-02-21 15:27:48 -08:00
block	block: stub out and deprecated the capability attribute on the gendisk	2023-02-06 08:44:55 -07:00
bpf	bpf, doc: Link to submitting-patches.rst for general patch submission info	2023-03-06 16:44:39 +01:00
cdrom
core-api	- Daniel Verkamp has contributed a memfd series ("mm/memfd: add	2023-02-23 17:09:35 -08:00
cpu-freq
crypto
dev-tools	- Daniel Verkamp has contributed a memfd series ("mm/memfd: add	2023-02-23 17:09:35 -08:00
devicetree	dt-bindings: net: mediatek: add WED RX binding for MT7981 eth driver	2023-04-22 14:13:25 +01:00
doc-guide
driver-api	docs: vfio: fix header path	2023-03-14 11:31:57 -06:00
fault-injection	docs: fault-injection: add requirements of error injectable functions	2023-02-02 22:50:00 -08:00
fb
features	m68k: Add kernel seccomp support	2023-01-30 16:40:15 +01:00
filesystems	A handful of fixes and minor documentation updates.	2023-03-14 11:08:28 -07:00
firmware_class
firmware-guide	ACPI: docs: enumeration: Correct reference to the I²C device data type	2023-03-07 14:09:49 +01:00
fpga
gpu	drm next for 6.3-rc1	2023-02-22 18:28:03 -08:00
hid	It has been a moderately calm cycle for documentation; the significant	2023-02-22 12:00:20 -08:00
hwmon	It has been a moderately calm cycle for documentation; the significant	2023-02-22 12:00:20 -08:00
i2c	Documentation: i2c: correct spelling	2023-02-15 20:59:44 +01:00
ia64
iio
images
infiniband
input
isdn	Documentation: isdn: correct spelling	2023-02-10 16:28:13 -08:00
kbuild	Documentation/llvm: Add a note about prebuilt kernel.org toolchains	2023-04-08 22:48:15 +09:00
kernel-hacking
leds	- Remove Drivers	2023-02-23 15:09:31 -08:00
litmus-tests
livepatch	Documentation: livepatch: module-elf-format: Remove local klp_modinfo definition	2023-02-06 08:45:55 -08:00
locking	docs: locking: refer to the actual existing config names	2023-02-23 12:26:00 -07:00
loongarch
m68k
maintainer	docs: rebasing-and-merging: Drop wrong statement about git	2023-03-07 10:26:22 -07:00
mhi
mips
misc-devices
mm	zsmalloc: document freeable stats	2023-04-05 18:06:23 -07:00
netlabel
netlink	ynl: broaden the license even more	2023-03-16 21:20:32 -07:00
networking	rxrpc: Fix potential race in error handling in afs_make_call()	2023-04-22 15:16:39 +01:00
nios2
nvdimm
nvme
openrisc
parisc
PCI
pcmcia
peci
power	Power management updates for 6.3-rc1	2023-02-21 12:13:58 -08:00
powerpc
process	Driver core fixes for 6.3-rc5	2023-04-02 10:10:16 -07:00
RCU
riscv	riscv: Move early dtb mapping into the fixmap region	2023-04-13 18:14:26 -07:00
rust	rust: sort uml documentation arch support table	2023-04-06 23:11:04 +02:00
s390	VFIO updates for v6.3-rc1	2023-02-25 11:52:57 -08:00
scheduler	sched/doc: supplement CPU capacity with RISC-V	2023-03-07 10:19:04 -07:00
scsi	SCSI misc on 20230222	2023-02-22 13:41:41 -08:00
security
sh
sound	ALSA: hda/sigmatel: add pin overrides for Intel DP45SG motherboard	2023-04-06 08:10:18 +02:00
sparc	Documentation: sparc: correct spelling	2023-02-02 11:07:02 -07:00
sphinx	docs: Use HTML comments for the kernel-toc SPDX line	2023-02-16 16:06:44 -07:00
sphinx-static	docs: Add more information to the HTML sidebar	2023-02-08 13:28:27 -07:00
spi
staging
target	scsi: target: Documentation: Correct spelling	2023-02-08 18:49:48 -05:00
timers
tools	Documentation/rtla: Add hwnoise man page	2023-02-13 23:56:46 -05:00
trace	Char/Misc and other driver subsystem changes for 6.3-rc1	2023-02-24 12:47:33 -08:00
translations	Driver core fixes for 6.3-rc5	2023-04-02 10:10:16 -07:00
usb	docs: usb: Add documentation for the UVC Gadget	2023-03-09 15:18:33 +01:00
userspace-api	ynl: broaden the license even more	2023-03-16 21:20:32 -07:00
virt	docs: kvm: x86: Fix broken field list	2023-04-04 13:22:05 -04:00
w1
watchdog	Documentation/watchdog/hpwdt: Fix Format	2023-02-16 17:31:29 -07:00
x86	It has been a moderately calm cycle for documentation; the significant	2023-02-22 12:00:20 -08:00
xtensa
.gitignore
arch.rst
atomic_bitops.txt
atomic_t.txt
Changes
CodingStyle
conf.py	It has been a moderately calm cycle for documentation; the significant	2023-02-22 12:00:20 -08:00
docutils.conf
dontdiff
index.rst	Documentation: front page: use recommended heading adornments	2023-02-23 12:44:51 -07:00
Kconfig
Makefile
memory-barriers.txt
SubmittingPatches
subsystem-apis.rst