syzbot has bisected this issue to:
commit 2b9ac22b12a266eb4fec246a07b504dd4983b16b
Author: Kristian Klausen <kristian@xxxxxxxxxx>
Date: Fri Jun 18 11:51:57 2021 +0000
loop: Fix missing discard support when using LOOP_CONFIGURE
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16f44605980000
start commit: d7a5aa4b3c00 Merge tag 'perf-tools-fixes-for-v6.11-2024-08..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=15f44605980000
console output: https://syzkaller.appspot.com/x/log.txt?x=11f44605980000
kernel config: https://syzkaller.appspot.com/x/.config?x=92c0312151c4e32e
dashboard link: https://syzkaller.appspot.com/bug?extid=3c010e21296f33a5dc16
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=139469f5980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=100f7713980000
Reported-by: syzbot+3c010e21296f33a5dc16@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 2b9ac22b12a2 ("loop: Fix missing discard support when using LOOP_CONFIGURE")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
