Re: [syzbot] [btrfs?] general protection fault in getname_kernel (2)

[syzbot]

syzbot has bisected this issue to:

commit b4b3fb6c00f37a9da91022adcd83555bc339e044
Author: Qu Wenruo <wqu@xxxxxxxx>
Date:   Tue Sep 24 04:57:07 2024 +0000

    btrfs: canonicalize the device path before adding it

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15744f07980000
start commit:   33ce24234fca Add linux-next specific files for 20241008
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=17744f07980000
console output: https://syzkaller.appspot.com/x/log.txt?x=13744f07980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=4750ca93740b938d
dashboard link: https://syzkaller.appspot.com/bug?extid=cee29f5a48caf10cd475
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=160ce327980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15ea7707980000

Reported-by: syzbot+cee29f5a48caf10cd475@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: b4b3fb6c00f3 ("btrfs: canonicalize the device path before adding it")

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