Re: INFO: task hung in vfat_lookup

[Tetsuo Handa]

On 2018/09/05 20:19, syzbot wrote:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:ÂÂÂ 420f51f4ab6b Merge tag 'arm64-fixes' of git://git.kernel.o..
> git tree:ÂÂÂÂÂÂ upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=11296c92400000
> kernel config:Â https://syzkaller.appspot.com/x/.config?x=531a917630d2a492
> dashboard link: https://syzkaller.appspot.com/bug?extid=72000baa7858f1703b04
> compiler:ÂÂÂÂÂÂ gcc (GCC) 8.0.1 20180413 (experimental)
> 
> Unfortunately, I don't have any reproducer for this crash yet.

A report for linux-next contains

"getblk(): executed=9 bh_count=0 bh_state=0"

lines. Therefore,

#syz dup: INFO: task hung in generic_file_write_iter