Re: WARNING in sta_info_insert_check

From: Johannes Berg
Date: Mon Feb 01 2021 - 04:13:36 EST


On Sun, 2021-01-31 at 21:26 -0800, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: bec4c296 Merge tag 'ecryptfs-5.11-rc6-setxattr-fix' of git..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=11991778d00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=f75d66d6d359ef2f
> dashboard link: https://syzkaller.appspot.com/bug?extid=8dcc087eb24227ded47e
> userspace arch: arm64
>
> Unfortunately, I don't have any reproducer for this issue yet.
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+8dcc087eb24227ded47e@xxxxxxxxxxxxxxxxxxxxxxxxx

Looks like this is a dup.

#syz dup: WARNING in sta_info_insert_rcu

Just in this case sta_info_insert_check() didn't get inlined into
sta_info_insert_rcu().

johannes