From: Pavel Emelyanov <xe...@parallels.com> Date: Mon, 9 Dec 2013 11:32:46 +0400
> 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.le...@oracle.com> > > Acked-by: Pavel Emelyanov <xe...@parallels.com> Applied and queued up for -stable, thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
