net: avoid NULL deref in inet_ctl_sock_destroy()

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[ Upstream commit 8fa677d270 ]

Under low memory conditions, tcp_sk_init() and icmp_sk_init()
can both iterate on all possible cpus and call inet_ctl_sock_destroy(),
with eventual NULL pointer.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

...

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Eric Dumazet 2015-10-02 16:54:31 -07:00 • committed by Sasha Levin

parent b3e72d9e9b

commit b2567c1c3e

1 changed files with 2 additions and 1 deletions

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include/net/inet_common.h

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