XFS (loop4): Unmounting Filesystem 6653b971-41ab-480a-bd7b-5ff79b9409b5 Oops: general protection fault, probably for non-canonical address 0xe6d2fc1ffff11006: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: maybe wild-memory-access in range [0x369800ffff888030-0x369800ffff888037] CPU: 1 UID: 0 PID: 5241 Comm: syz-executor Not tainted 6.12.0-rc3-next-20241016-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__lock_acquire+0x69/0x2050 kernel/locking/lockdep.c:5065 Code: b6 04 30 84 c0 0f 85 9b 16 00 00 45 31 f6 83 3d 58 96 ad 0e 00 0f 84 b6 13 00 00 89 54 24 54 89 5c 24 68 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 e9 70 8e 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc90003d9f970 EFLAGS: 00010006 RAX: 06d3001ffff11006 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 369800ffff888032 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff203b67e R12: ffff88802d28da00 R13: 0000000000000001 R14: 0000000000000000 R15: 369800ffff888032 FS: 000055555f8b3500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa2dab61160 CR3: 0000000062b2e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 __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+0x99d/0xc40 kernel/workqueue.c:5883 xfs_destroy_mount_workqueues+0x61/0x100 fs/xfs/xfs_super.c:602 xfs_fs_put_super+0x13a/0x150 fs/xfs/xfs_super.c:1152 generic_shutdown_super+0x139/0x2d0 fs/super.c:642 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 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+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8041f7f327 Code: a8 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 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffeb4d12248 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8041f7f327 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffeb4d12300 RBP: 00007ffeb4d12300 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffeb4d13380 R13: 00007f8041ff0134 R14: 0000000000010547 R15: 00007ffeb4d133c0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0x69/0x2050 kernel/locking/lockdep.c:5065 Code: b6 04 30 84 c0 0f 85 9b 16 00 00 45 31 f6 83 3d 58 96 ad 0e 00 0f 84 b6 13 00 00 89 54 24 54 89 5c 24 68 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 e9 70 8e 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc90003d9f970 EFLAGS: 00010006 RAX: 06d3001ffff11006 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 369800ffff888032 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff203b67e R12: ffff88802d28da00 R13: 0000000000000001 R14: 0000000000000000 R15: 369800ffff888032 FS: 000055555f8b3500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa2dab61160 CR3: 0000000062b2e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: b6 04 mov $0x4,%dh 2: 30 84 c0 0f 85 9b 16 xor %al,0x169b850f(%rax,%rax,8) 9: 00 00 add %al,(%rax) b: 45 31 f6 xor %r14d,%r14d e: 83 3d 58 96 ad 0e 00 cmpl $0x0,0xead9658(%rip) # 0xead966d 15: 0f 84 b6 13 00 00 je 0x13d1 1b: 89 54 24 54 mov %edx,0x54(%rsp) 1f: 89 5c 24 68 mov %ebx,0x68(%rsp) 23: 4c 89 f8 mov %r15,%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 ff mov %r15,%rdi 33: e8 e9 70 8e 00 call 0x8e7121 38: 48 rex.W 39: be 00 00 00 00 mov $0x0,%esi 3e: 00 fc add %bh,%ah