Re: [syzbot] [fuse?] kernel BUG in fuse_dev_do_write

From: syzbot
Date: Sun Oct 20 2024 - 21:30:14 EST


syzbot has bisected this issue to:

commit 5d9e1455630d0f464f169bbd637dbb264cbd8ac8
Author: Josef Bacik <josef@xxxxxxxxxxxxxx>
Date: Mon Sep 30 13:45:18 2024 +0000

fuse: convert fuse_notify_store to use folios

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=120dc25f980000
start commit: 15e7d45e786a Add linux-next specific files for 20241016
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=110dc25f980000
console output: https://syzkaller.appspot.com/x/log.txt?x=160dc25f980000
kernel config: https://syzkaller.appspot.com/x/.config?x=c36416f1c54640c0
dashboard link: https://syzkaller.appspot.com/bug?extid=65d101735df4bb19d2a3
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1623e830580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16582f27980000

Reported-by: syzbot+65d101735df4bb19d2a3@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 5d9e1455630d ("fuse: convert fuse_notify_store to use folios")

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