Re: INFO: task hung in locks_remove_posix

From: Tetsuo Handa
Date: Thu May 21 2020 - 10:09:59 EST


On 2020/05/21 5:53, syzbot wrote:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit: 806d8acc USB: dummy-hcd: use configurable endpoint naming ..
> git tree: https://github.com/google/kasan.git usb-fuzzer
> console output: https://syzkaller.appspot.com/x/log.txt?x=16c9ece2100000
> kernel config: https://syzkaller.appspot.com/x/.config?x=d800e9bad158025f
> dashboard link: https://syzkaller.appspot.com/bug?extid=f5bc30abd8916982419c
> compiler: gcc (GCC) 9.0.0 20181231 (experimental)
>
> Unfortunately, I don't have any reproducer for this crash yet.

This seems to be a mislabeling due to '?' in all lines in a trace.

#syz dup: INFO: task hung in wdm_flush