syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: 29f785ff Merge branch 'fixes' of git://git.kernel.org/pub/.. > git tree: net > console output: https://syzkaller.appspot.com/x/log.txt?x=1158d411a00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=e5c77f8090a3b96b > dashboard link: https://syzkaller.appspot.com/bug?extid=b764c7ca388222ddfb17 > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=100ca932a00000 > > The bug was bisected to: > > commit e9db4ef6bf4ca9894bb324c76e01b8f1a16b2650 > Author: John Fastabend <john.fastab...@gmail.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=135e8a3aa00000 > final crash: https://syzkaller.appspot.com/x/report.txt?x=10de8a3aa00000 > console output: https://syzkaller.appspot.com/x/log.txt?x=175e8a3aa00000 > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+b764c7ca388222ddf...@syzkaller.appspotmail.com > Fixes: e9db4ef6bf4c ("bpf: sockhash fix omitted bucket lock in sock_close") > > Kernel panic - not syncing: corrupted stack end detected inside scheduler > CPU: 0 PID: 8770 Comm: syz-executor.4 Not tainted 5.2.0-rc5+ #57 > Hardware name: Google GooglSeaBIOS (version 1.8.2-20190503_170316-google) >
I believe this is the same or similar bug to the others found with sockmap + ulp running. Will have fixes shortly. Thanks, John