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(parent: f1f7714) | patch
ax25: Fix segfault after sock connection timeout
authorBasil Gunn <basil@pacabunga.com>
Sat, 14 Jan 2017 20:18:55 +0000 (12:18 -0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 16 Jan 2017 19:39:58 +0000 (14:39 -0500)
commit8a367e74c0120ef68c8c70d5a025648c96626dff
treeb4a00d10c310c91f418947614021ed7a4db9c851tree | snapshot (tar.gz zip)
parentf1f7714ea51c56b7163fb1a5acf39c6a204dd758commit | diff
ax25: Fix segfault after sock connection timeout

The ax.25 socket connection timed out & the sock struct has been
previously taken down ie. sock struct is now a NULL pointer. Checking
the sock_flag causes the segfault.  Check if the socket struct pointer
is NULL before checking sock_flag. This segfault is seen in
timed out netrom connections.

Please submit to -stable.

Signed-off-by: Basil Gunn <basil@pacabunga.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ax25/ax25_subr.c diff | blob | blame | history