Hello, syzbot found the following crash on:
HEAD commit: 4b972a01 Linux 5.2-rc6 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17852b6ea00000 kernel config: https://syzkaller.appspot.com/x/.config?x=e7c31a94f66cc0aa dashboard link: https://syzkaller.appspot.com/bug?extid=4b5d77fdf765668f9eba compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15252769a00000 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=146ae35ea00000 final crash: https://syzkaller.appspot.com/x/report.txt?x=166ae35ea00000 console output: https://syzkaller.appspot.com/x/log.txt?x=126ae35ea00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+4b5d77fdf765668f9...@syzkaller.appspotmail.com Fixes: e9db4ef6bf4c ("bpf: sockhash fix omitted bucket lock in sock_close") BUG: kernel NULL pointer dereference, address: 00000000000000fc --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkal...@googlegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. For information about bisection process see: https://goo.gl/tpsmEJ#bisection syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches
