Eric Dumazet b3a6daaf7c netdevsim: prevent bad user input in nsim_dev_health_break_write() ...

[ Upstream commit ee76746387 ]

If either a zero count or a large one is provided, kernel can crash.

Fixes: 82c93a87bf ("netdevsim: implement couple of testing devlink health reporters")
Reported-by: syzbot+ea40e4294e58b0292f74@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/675c6862.050a0220.37aaf.00b1.GAE@google.com/T/#u
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20241213172518.2415666-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2025-01-09 13:28:31 +01:00

..

bpf.c

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bus.c

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dev.c

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ethtool.c

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fib.c

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health.c

netdevsim: prevent bad user input in nsim_dev_health_break_write()

2025-01-09 13:28:31 +01:00

ipsec.c

netdevsim: copy addresses for both in and out paths

2024-12-14 19:50:54 +01:00

Makefile

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netdev.c

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netdevsim.h

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psample.c

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udp_tunnels.c

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