linux-kernel - Re: kernel panic: stack is corrupted in validate

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Message-ID: <000000000000f7df7e058c32a611@google.com>
Date:   Tue, 25 Jun 2019 21:41:01 -0700
From:   syzbot <syzbot+6ba34346b252f2d497c7@...kaller.appspotmail.com>
To:     ast@...nel.org, daniel@...earbox.net, john.fastabend@...il.com,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: kernel panic: stack is corrupted in validate_chain

syzbot has bisected this bug to:

commit e9db4ef6bf4ca9894bb324c76e01b8f1a16b2650
Author: John Fastabend <john.fastabend@...il.com>
Date:   Sat Jun 30 13:17:47 2018 +0000

     bpf: sockhash fix omitted bucket lock in sock_close

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11d4e129a00000
start commit:   249155c2 Merge branch 'parisc-5.2-4' of git://git.kernel.o..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=13d4e129a00000
console output: https://syzkaller.appspot.com/x/log.txt?x=15d4e129a00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=9a31528e58cc12e2
dashboard link: https://syzkaller.appspot.com/bug?extid=6ba34346b252f2d497c7
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=135e34eea00000

Reported-by: syzbot+6ba34346b252f2d497c7@...kaller.appspotmail.com
Fixes: e9db4ef6bf4c ("bpf: sockhash fix omitted bucket lock in sock_close")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection