------------[ cut here ]------------ kernel BUG at fs/gfs2/quota.c:1508! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5417 Comm: syz-executor.0 Not tainted 6.7.0-rc6-syzkaller-00078-ga4aebe936554 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:gfs2_quota_cleanup+0x5cd/0x6e0 fs/gfs2/quota.c:1508 Code: e8 18 c0 dd fd e8 a3 c4 dd fd 49 8d b7 70 12 00 00 89 ea 48 c7 c7 40 93 1a 8b e8 7e a1 c0 fd e9 1b fe ff ff e8 84 c4 dd fd 90 <0f> 0b 4c 89 e7 e8 99 6e 34 fe e9 ee fd ff ff e8 af 6e 34 fe e9 13 RSP: 0018:ffffc90005377bc8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff83a9a853 RDX: ffff888079270000 RSI: ffffffff83a9ad4c RDI: 0000000000000007 RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801d3e4000 R13: dffffc0000000000 R14: ffffc90005377c18 R15: ffff88801d3e4000 FS: 0000555556425480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffda7113ff8 CR3: 00000000183f0000 CR4: 0000000000350ef0 Call Trace: gfs2_put_super+0x611/0x760 fs/gfs2/super.c:611 generic_shutdown_super+0x161/0x3d0 fs/super.c:696 kill_block_super+0x3b/0x90 fs/super.c:1667 gfs2_kill_sb+0x361/0x410 fs/gfs2/ops_fstype.c:1804 deactivate_locked_super+0xbc/0x1a0 fs/super.c:484 deactivate_super+0xde/0x100 fs/super.c:517 cleanup_mnt+0x222/0x450 fs/namespace.c:1256 task_work_run+0x14d/0x240 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x217/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296 do_syscall_64+0x4d/0x110 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f0ead47de17 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:00007ffda7114158 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0ead47de17 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffda7114210 RBP: 00007ffda7114210 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffda71152d0 R13: 00007f0ead4c73b9 R14: 0000000000013e50 R15: 0000000000000003 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:gfs2_quota_cleanup+0x5cd/0x6e0 fs/gfs2/quota.c:1508 Code: e8 18 c0 dd fd e8 a3 c4 dd fd 49 8d b7 70 12 00 00 89 ea 48 c7 c7 40 93 1a 8b e8 7e a1 c0 fd e9 1b fe ff ff e8 84 c4 dd fd 90 <0f> 0b 4c 89 e7 e8 99 6e 34 fe e9 ee fd ff ff e8 af 6e 34 fe e9 13 RSP: 0018:ffffc90005377bc8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff83a9a853 RDX: ffff888079270000 RSI: ffffffff83a9ad4c RDI: 0000000000000007 RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801d3e4000 R13: dffffc0000000000 R14: ffffc90005377c18 R15: ffff88801d3e4000 FS: 0000555556425480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffda7113ff8 CR3: 00000000183f0000 CR4: 0000000000350ef0