------------[ cut here ]------------ kernel BUG at fs/gfs2/quota.c:1508! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5418 Comm: syz-executor.0 Not tainted 6.7.0-rc2-syzkaller-00195-g0f5cc96c367f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 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 86 27 23 fe e9 20 fe ff ff e8 fc 1f c7 fd 90 <0f> 0b e8 c4 8c 4f 07 0f 1f 40 00 66 0f 1f 00 55 41 57 41 56 41 54 RSP: 0018:ffffc90004f3fb60 EFLAGS: 00010293 RAX: ffffffff83c75984 RBX: 0000000000000002 RCX: ffff8880260e5940 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90004f3fc80 R08: ffffffff83c753e0 R09: 1ffff1100f2c5015 R10: dffffc0000000000 R11: ffffed100f2c5016 R12: dffffc0000000000 R13: ffff888079628828 R14: ffff888026cb6980 R15: ffff888079628000 FS: 0000555556b7b480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f879fbf65e8 CR3: 000000002910c000 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:88 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f2ee447de57 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:00007ffc8db83128 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f2ee447de57 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffc8db831e0 RBP: 00007ffc8db831e0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc8db842a0 R13: 00007f2ee44c73b9 R14: 00000000000143f5 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 86 27 23 fe e9 20 fe ff ff e8 fc 1f c7 fd 90 <0f> 0b e8 c4 8c 4f 07 0f 1f 40 00 66 0f 1f 00 55 41 57 41 56 41 54 RSP: 0018:ffffc90004f3fb60 EFLAGS: 00010293 RAX: ffffffff83c75984 RBX: 0000000000000002 RCX: ffff8880260e5940 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90004f3fc80 R08: ffffffff83c753e0 R09: 1ffff1100f2c5015 R10: dffffc0000000000 R11: ffffed100f2c5016 R12: dffffc0000000000 R13: ffff888079628828 R14: ffff888026cb6980 R15: ffff888079628000 FS: 0000555556b7b480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f879fbf65e8 CR3: 000000002910c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400