XFS (loop1): Unmounting Filesystem c496e05e-540d-4c72-b591-04d79d8b4eeb Oops: general protection fault, probably for non-canonical address 0xe01ffbf11017287e: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: maybe wild-memory-access in range [0x00ffff8880b943f0-0x00ffff8880b943f7] CPU: 1 PID: 7892 Comm: syz-executor.1 Not tainted 6.9.0-syzkaller-09699-geb6a9339efeb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:__lock_acquire+0x6a/0x1fd0 kernel/locking/lockdep.c:5005 Code: df 0f b6 04 30 84 c0 0f 85 4b 16 00 00 83 3d a8 64 39 0e 00 0f 84 1c 11 00 00 83 3d 5f 8b ad 0c 00 74 2c 4c 89 e0 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 e7 e8 48 41 86 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc90004237950 EFLAGS: 00010007 RAX: 001ffff11017287e RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 00ffff8880b943f7 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff1f575be R12: 00ffff8880b943f7 R13: 0000000000000001 R14: ffff888028311e00 R15: 0000000000000000 FS: 0000555575c30480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c000746914 CR3: 0000000149a38000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0xd3/0x120 kernel/locking/spinlock.c:170 put_pwq_unlocked+0x42/0x190 kernel/workqueue.c:1662 destroy_workqueue+0x9a4/0xc40 kernel/workqueue.c:5851 xfs_destroy_mount_workqueues+0x87/0x100 fs/xfs/xfs_super.c:601 xfs_fs_put_super+0x129/0x140 fs/xfs/xfs_super.c:1141 generic_shutdown_super+0x136/0x2d0 fs/super.c:641 kill_block_super+0x44/0x90 fs/super.c:1675 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2026 deactivate_locked_super+0xc4/0x130 fs/super.c:472 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1267 task_work_run+0x24f/0x310 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x102/0x240 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff4b007e217 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:00007fff9a009648 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ff4b007e217 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff9a009700 RBP: 00007fff9a009700 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff9a00a7c0 R13: 00007ff4b00c8336 R14: 000000000003c06c R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0x6a/0x1fd0 kernel/locking/lockdep.c:5005 Code: df 0f b6 04 30 84 c0 0f 85 4b 16 00 00 83 3d a8 64 39 0e 00 0f 84 1c 11 00 00 83 3d 5f 8b ad 0c 00 74 2c 4c 89 e0 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 e7 e8 48 41 86 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc90004237950 EFLAGS: 00010007 RAX: 001ffff11017287e RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 00ffff8880b943f7 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff1f575be R12: 00ffff8880b943f7 R13: 0000000000000001 R14: ffff888028311e00 R15: 0000000000000000 FS: 0000555575c30480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c000746914 CR3: 0000000149a38000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: df 0f fisttps (%rdi) 2: b6 04 mov $0x4,%dh 4: 30 84 c0 0f 85 4b 16 xor %al,0x164b850f(%rax,%rax,8) b: 00 00 add %al,(%rax) d: 83 3d a8 64 39 0e 00 cmpl $0x0,0xe3964a8(%rip) # 0xe3964bc 14: 0f 84 1c 11 00 00 je 0x1136 1a: 83 3d 5f 8b ad 0c 00 cmpl $0x0,0xcad8b5f(%rip) # 0xcad8b80 21: 74 2c je 0x4f 23: 4c 89 e0 mov %r12,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 30 00 cmpb $0x0,(%rax,%rsi,1) <-- trapping instruction 2e: 74 12 je 0x42 30: 4c 89 e7 mov %r12,%rdi 33: e8 48 41 86 00 call 0x864180 38: 48 rex.W 39: be 00 00 00 00 mov $0x0,%esi 3e: 00 fc add %bh,%ah