syzbot has bisected this issue to:
commit ae63304102ecd597130ecea27395739a6a6371b7
Author: Christian Brauner <brauner@xxxxxxxxxx>
Date: Thu Jan 23 19:19:48 2025 +0000
fs: allow detached mounts in clone_private_mount()
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10cb5ca4580000
start commit: 808eb958781e Add linux-next specific files for 20250206
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=12cb5ca4580000
console output: https://syzkaller.appspot.com/x/log.txt?x=14cb5ca4580000
kernel config: https://syzkaller.appspot.com/x/.config?x=88b25e5d30d576e4
dashboard link: https://syzkaller.appspot.com/bug?extid=62dfea789a2cedac1298
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16346df8580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=117e80e4580000
Reported-by: syzbot+62dfea789a2cedac1298@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: ae63304102ec ("fs: allow detached mounts in clone_private_mount()")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
