Re: INFO: task hung in jbd2_journal_commit_transaction

From: Theodore Y. Ts'o
Date: Tue Oct 02 2018 - 10:53:30 EST


On Mon, Sep 24, 2018 at 06:19:02AM -0700, syzbot wrote:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit: 46c163a036b4 Add linux-next specific files for 20180921
> git tree: linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=1283fef1400000
> kernel config: https://syzkaller.appspot.com/x/.config?x=20ea07a946ad19d7
> dashboard link: https://syzkaller.appspot.com/bug?extid=0e7e90fff14568b11ebe
> compiler: gcc (GCC) 8.0.1 20180413 (experimental)
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13d6792a400000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1610b21a400000

#syz dup: INFO: task hung in ext4_fallocate