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strparser: Call sock_owned_by_user_nocheck 

strparser wants to check socket ownership without producing any
warnings. As indicated by the comment in the code, it is permissible
for owned_by_user to return true.

Fixes: 43a0c6751a ("strparser: Stream parser for messages")
Reported-by: syzbot <syzkaller@googlegroups.com>
Reported-and-tested-by: <syzbot+c91c53af67f9ebe599a337d2e70950366153b295@syzkaller.appspotmail.com>
Signed-off-by: Tom Herbert <tom@quantonium.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Herbert 2017-12-28 11:00:44 -08:00 committed by David S. Miller
parent 602f7a2714
commit d66fa9ec53
1 changed files with 1 additions and 1 deletions
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2
net/strparser/strparser.c
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@ -401,7 +401,7 @@ void strp_data_ready(struct strparser *strp)
* allows a thread in BH context to safely check if the process
* lock is held. In this case, if the lock is held, queue work.
*/
if (sock_owned_by_user(strp->sk)) {
if (sock_owned_by_user_nocheck(strp->sk)) {
queue_work(strp_wq, &strp->work);
return;
}