Messages in this thread | | | Date | Mon, 9 Dec 2013 11:32:46 +0400 | From | Pavel Emelyanov <> | Subject | Re: [PATCH] net: unix: allow set_peek_off to fail |
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On 12/08/2013 02:26 AM, Sasha Levin wrote: > unix_dgram_recvmsg() will hold the readlock of the socket until recv > is complete. > > In the same time, we may try to setsockopt(SO_PEEK_OFF) which will hang until > unix_dgram_recvmsg() will complete (which can take a while) without allowing > us to break out of it, triggering a hung task spew. > > Instead, allow set_peek_off to fail, this way userspace will not hang. > > Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
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