Re: [syzbot] [bridge?] possible deadlock in br_multicast_rcv (3)
From: syzbot <hidden>
Date: 2023-10-02 13:08:33
Also in:
bridge, linux-nvme, lkml, llvm
syzbot has bisected this issue to:
commit 0ae3eb7b4611207e140e9772398b9f88b72d6839
Author: Amit Cohen [off-list ref]
Date: Mon Feb 1 19:47:49 2021 +0000
netdevsim: fib: Perform the route programming in a non-atomic context
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13afdae6680000
start commit: 2faac9a98f01 Merge tag 'keys-fixes-20230321' of git://git...
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=106fdae6680000
console output: https://syzkaller.appspot.com/x/log.txt?x=17afdae6680000
kernel config: https://syzkaller.appspot.com/x/.config?x=aaa4b45720ca0519
dashboard link: https://syzkaller.appspot.com/bug?extid=d7b7f1412c02134efa6d
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14aea34ec80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13001e91c80000
Reported-by: syzbot+d7b7f1412c02134efa6d@syzkaller.appspotmail.com
Fixes: 0ae3eb7b4611 ("netdevsim: fib: Perform the route programming in a non-atomic context")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection