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Eric Dumazet 3d72635127 inet: ipmr: fix data-races 
[ Upstream commit 3440fa34ad ]

Following fields of 'struct mr_mfc' can be updated
concurrently (no lock protection) from ip_mr_forward()
and ip6_mr_forward()

- bytes
- pkt
- wrong_if
- lastuse

They also can be read from other functions.

Convert bytes, pkt and wrong_if to atomic_long_t,
and use READ_ONCE()/WRITE_ONCE() for lastuse.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20250114221049.1190631-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-02-08 09:57:23 +01:00
..
acpi mailbox: pcc: Check before sending MCTP PCC response ACK 2024-12-14 20:04:03 +01:00
asm-generic Rename .data.once to .data..once to fix resetting WARN*_ONCE 2024-12-05 14:03:08 +01:00
clocksource x86/hyperv: Fix hv tsc page based sched_clock for hibernation 2024-12-27 14:02:15 +01:00
crypto move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
cxl cxl: Move mailbox related bits to the same context 2024-09-12 08:38:01 -07:00
drm drm/xe/pciid: Add new PCI id for ARL 2024-12-14 20:03:42 +01:00
dt-bindings dt-bindings: clock: sunxi: Export PLL_VIDEO_2X and PLL_MIPI 2025-02-08 09:57:09 +01:00
keys KEYS: Remove unused declarations 2024-09-20 18:28:26 +03:00
kunit kunit: skb: use "gfp" variable instead of hardcoding GFP_KERNEL 2024-12-05 14:02:13 +01:00
kvm KVM: arm64: Refine PMU defines for number of counters 2024-08-16 13:09:12 +01:00
linux inet: ipmr: fix data-races 2025-02-08 09:57:23 +01:00
math-emu powerpc/math-emu: Remove -w build flag and fix warnings 2022-09-05 17:28:25 +10:00
media media: v4l2-core: v4l2-dv-timings: check cvt/gtf result 2024-12-05 14:02:57 +01:00
memory memory: renesas-rpc-if: Remove Runtime PM wrappers 2023-01-23 11:48:00 +01:00
misc cxl: fix typo in comment 2022-11-24 23:12:19 +11:00
net ax25: rcu protect dev->ax25_ptr 2025-02-08 09:57:10 +01:00
pcmcia ARM: pxa/sa1100: move I/O space to PCI_IOBASE 2022-05-07 22:56:17 +02:00
ras mm/memory-failure: remove obsolete MF_MSG_DIFFERENT_COMPOUND 2024-07-12 15:52:22 -07:00
rdma RDMA/core: Implement RoCE GID port rescan and export delete function 2024-12-05 14:02:08 +01:00
rv rv: Set variable 'da_mon_##name' to static 2023-09-01 21:00:00 -04:00
scsi move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
soc net: mscc: ocelot: be resilient to loss of PTP packets during transmission 2024-12-19 18:13:14 +01:00
sound ALSA: hda: cs35l56: Remove calls to cs35l56_force_sync_asp1_registers_from_cache() 2025-01-09 13:33:44 +01:00
target move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
trace rxrpc: Fix handling of received connection abort 2025-02-08 09:57:03 +01:00
uapi stddef: make __struct_group() UAPI C++-friendly 2025-01-02 10:34:16 +01:00
ufs scsi: ufs: qcom: Power off the PHY if it was already powered on in ufs_qcom_power_up_sequence() 2025-01-17 13:40:45 +01:00
vdso random: vDSO: add a __vdso_getrandom prototype for all architectures 2024-09-13 17:28:35 +02:00
video fbdev: da8xx: remove the driver 2024-10-15 10:08:23 +02:00
xen xen: Remove dependency between pciback and privcmd 2024-10-18 11:59:04 +02:00