BTRFS info (device loop0): last unmount of filesystem a6a605fc-d5f1-4e66-8595-3726e2b761d6 Unable to handle kernel paging request at virtual address 001f7fe000182113 Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [001f7fe000182113] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 6279 Comm: syz-executor.0 Tainted: G W 6.10.0-rc3-syzkaller-gac2193b4b460 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __lock_acquire+0x104/0x763c kernel/locking/lockdep.c:5005 lr : lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5754 sp : ffff800097ca7440 x29: ffff800097ca7700 x28: ffff800080243948 x27: ffff700012f94ef8 x26: 1ffff00011df60aa x25: 0000000000000001 x24: 0000000000000000 x23: ffff700012f94eb0 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: 00ffff0000c10898 x18: 1fffe000367b7bde x17: ffff80008efad000 x16: ffff80008aefc128 x15: 0000000000000001 x14: ffff80008efb0558 x13: ffff800097ca7580 x12: dfff800000000000 x11: ffff80008033b908 x10: ffff80008efb0554 x9 : 00000000000000f3 x8 : 001fffe000182113 x7 : ffff800080243948 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 00ffff0000c10898 Call trace: __lock_acquire+0x104/0x763c kernel/locking/lockdep.c:5005 lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5754 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0x58/0x70 kernel/locking/spinlock.c:170 put_pwq_unlocked kernel/workqueue.c:1662 [inline] destroy_workqueue+0x8d8/0xdc0 kernel/workqueue.c:5851 btrfs_destroy_workqueue+0x48/0x308 fs/btrfs/async-thread.c:360 btrfs_stop_all_workers+0x14c/0x240 fs/btrfs/disk-io.c:1798 close_ctree+0x57c/0xb20 fs/btrfs/disk-io.c:4365 btrfs_put_super+0x70/0x80 fs/btrfs/super.c:73 generic_shutdown_super+0x128/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1226 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2096 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1267 __cleanup_mnt+0x20/0x30 fs/namespace.c:1274 task_work_run+0x230/0x2e0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x178/0x1f4 arch/arm64/kernel/entry-common.c:151 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:713 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Code: d00768c8 b9406108 34000208 d343fe68 (386c6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: d00768c8 adrp x8, 0xed1a000 4: b9406108 ldr w8, [x8, #96] 8: 34000208 cbz w8, 0x48 c: d343fe68 lsr x8, x19, #3 * 10: 386c6908 ldrb w8, [x8, x12] <-- trapping instruction