net: clear sk_err_soft in sk_clone_lock()

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[ Upstream commit e551c32d57 ]

At accept() time, it is possible the parent has a non zero
sk_err_soft, leftover from a prior error.

Make sure we do not leave this value in the child, as it
makes future getsockopt(SO_ERROR) calls quite unreliable.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

...

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Eric Dumazet 2016-10-28 13:40:24 -07:00 • committed by Ben Hutchings

parent b931800fd9

commit 4ecc76bd3f

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net/core/sock.c

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