syzbot has bisected this issue to: commit 661768085e99aad356ebc77d78ac41fd02eccbe3 Author: Jens Axboe <axboe@xxxxxxxxx> Date: Wed Oct 30 15:51:58 2024 +0000 io_uring/rsrc: get rid of the empty node and dummy_ubuf bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17631630580000 start commit: f9f24ca362a4 Add linux-next specific files for 20241031 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=14e31630580000 console output: https://syzkaller.appspot.com/x/log.txt?x=10e31630580000 kernel config: https://syzkaller.appspot.com/x/.config?x=328572ed4d152be9 dashboard link: https://syzkaller.appspot.com/bug?extid=6cb1e1ecb22a749ef8e8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14f92630580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=126b655f980000 Reported-by: syzbot+6cb1e1ecb22a749ef8e8@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 661768085e99 ("io_uring/rsrc: get rid of the empty node and dummy_ubuf") For information about bisection process see: https://goo.gl/tpsmEJ#bisection