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Date: Wed, 20 May 2020 21:00:12 -0700 (PDT) From: David Miller <davem@...emloft.net> To: edumazet@...gle.com Cc: netdev@...r.kernel.org, eric.dumazet@...il.com, syzkaller@...glegroups.com Subject: Re: [PATCH net] ax24: fix setsockopt(SO_BINDTODEVICE) From: Eric Dumazet <edumazet@...gle.com> Date: Tue, 19 May 2020 18:24:43 -0700 > syzbot was able to trigger this trace [1], probably by using > a zero optlen. > > While we are at it, cap optlen to IFNAMSIZ - 1 instead of IFNAMSIZ. > > [1] ... > Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") > Signed-off-by: Eric Dumazet <edumazet@...gle.com> > Reported-by: syzbot <syzkaller@...glegroups.com> Applied and queued up for -stable with s/ax24/ax25/, thanks.
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