net: ipv4: fix a memleak in ip_setup_cork

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[ Upstream commit 5dee6d6923 ]

When inetdev_valid_mtu fails, cork->opt should be freed if it is
allocated in ip_setup_cork. Otherwise there could be a memleak.

Fixes: 501a90c945 ("inet: protect against too small mtu values.")
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240129091017.2938835-1-alexious@zju.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Zhipeng Lu 2024-01-29 17:10:17 +08:00 • committed by Greg Kroah-Hartman

parent 38cc160533

commit 205659dbb8

1 changed files with 6 additions and 6 deletions

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net/ipv4/ip_output.c

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