Re: [syzbot] [btrfs?] BUG: sleeping function called from invalid context in getname_kernel

[syzbot]

syzbot has bisected this issue to:

commit 94a5b169bf5c7c47d3b1af759cf70bf1ab236ddb
Author: Qu Wenruo <wqu@xxxxxxxx>
Date:   Tue Sep 24 03:22:17 2024 +0000

    btrfs: avoid unnecessary device path update for the same device

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17c96fd0580000
start commit:   33ce24234fca Add linux-next specific files for 20241008
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=14296fd0580000
console output: https://syzkaller.appspot.com/x/log.txt?x=10296fd0580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=4750ca93740b938d
dashboard link: https://syzkaller.appspot.com/bug?extid=02a127be2df04bdc5df0
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=112f97d0580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=101d4f9f980000

Reported-by: syzbot+02a127be2df04bdc5df0@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 94a5b169bf5c ("btrfs: avoid unnecessary device path update for the same device")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection