------------[ cut here ]------------ kernel BUG at fs/gfs2/quota.c:1508! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5410 Comm: syz-executor.0 Not tainted 6.7.0-rc8-syzkaller-00174-g95c8a35f1c01 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:gfs2_quota_cleanup+0x6b5/0x6c0 fs/gfs2/quota.c:1508 Code: fe e9 cf fd ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 2d fe ff ff 4c 89 ef e8 c6 1a 23 fe e9 20 fe ff ff e8 9c 14 c7 fd 90 <0f> 0b e8 44 84 50 07 0f 1f 40 00 66 0f 1f 00 55 41 57 41 56 41 54 RSP: 0018:ffffc900050f7b60 EFLAGS: 00010293 RAX: ffffffff83c76554 RBX: 0000000000000002 RCX: ffff88801fe5bb80 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc900050f7c80 R08: ffffffff83c75fb0 R09: 1ffff1100345f015 R10: dffffc0000000000 R11: ffffed100345f016 R12: dffffc0000000000 R13: ffff88801a2f8828 R14: ffff888028500380 R15: ffff88801a2f8000 FS: 0000555555f46480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555f4f938 CR3: 0000000021d3e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_put_super+0x2e1/0x940 fs/gfs2/super.c:611 generic_shutdown_super+0x13a/0x2c0 fs/super.c:696 kill_block_super+0x44/0x90 fs/super.c:1667 deactivate_locked_super+0xc1/0x130 fs/super.c:484 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1256 task_work_run+0x24a/0x300 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb1/0x150 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x69/0x2a0 kernel/entry/common.c:296 do_syscall_64+0x52/0x110 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f56bd47dc07 Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffe00830bb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f56bd47dc07 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffe00830c70 RBP: 00007ffe00830c70 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe00831d30 R13: 00007f56bd4d7af2 R14: 0000000000014bb6 R15: 0000000000000003 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:gfs2_quota_cleanup+0x6b5/0x6c0 fs/gfs2/quota.c:1508 Code: fe e9 cf fd ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 2d fe ff ff 4c 89 ef e8 c6 1a 23 fe e9 20 fe ff ff e8 9c 14 c7 fd 90 <0f> 0b e8 44 84 50 07 0f 1f 40 00 66 0f 1f 00 55 41 57 41 56 41 54 RSP: 0018:ffffc900050f7b60 EFLAGS: 00010293 RAX: ffffffff83c76554 RBX: 0000000000000002 RCX: ffff88801fe5bb80 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc900050f7c80 R08: ffffffff83c75fb0 R09: 1ffff1100345f015 R10: dffffc0000000000 R11: ffffed100345f016 R12: dffffc0000000000 R13: ffff88801a2f8828 R14: ffff888028500380 R15: ffff88801a2f8000 FS: 0000555555f46480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555f4f938 CR3: 0000000021d3e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400