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(parent: 9182148) | patch
ipv4: Missing sk_nulls_node_init() in ping_unhash().
authorDavid S. Miller <davem@davemloft.net>
Sat, 2 May 2015 02:02:47 +0000 (22:02 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 13 May 2015 12:15:41 +0000 (05:15 -0700)
commitcf30cd6bbc0c82854e0b5551e57ee02d001e61db
tree89a07ee6222138a72d8e32f40a9e9b6c40013f4ctree | snapshot
parent9182148a5315d4b1de68ac74fd54cbb5da5a3703commit | diff
ipv4: Missing sk_nulls_node_init() in ping_unhash().

[ Upstream commit a134f083e79fb4c3d0a925691e732c56911b4326 ]

If we don't do that, then the poison value is left in the ->pprev
backlink.

This can cause crashes if we do a disconnect, followed by a connect().

Tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: Wen Xu <hotdog3645@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/ipv4/ping.c diff | blob | history
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