Unable to handle kernel paging request at virtual address e4ff9fffe0001824 KASAN: maybe wild-memory-access in range [0x2800ffff0000c120-0x2800ffff0000c127] 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 [e4ff9fffe0001824] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 0 UID: 0 PID: 7977 Comm: syz.6.308 Tainted: G W 6.13.0-rc6-syzkaller-g577490b6abb9 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __lock_acquire+0xfc/0x7904 kernel/locking/lockdep.c:5089 lr : lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5849 sp : ffff8000a3ec6e40 x29: ffff8000a3ec7100 x28: ffff8000803600c0 x27: 0000000000000000 x26: ffff0001b37e5500 x25: 0000000000000000 x24: 0000000000000001 x23: 0000000000000000 x22: 1ffff00011f320ca x21: 2800ffff0000c120 x20: 0000000000000001 x19: 0000000000000000 x18: ffff8000a3ec6fc0 x17: 000000000003fd64 x16: ffff8000832776d4 x15: 0000000000000001 x14: 1fffe00018211000 x13: dfff800000000000 x12: ffff7000147d8df0 x11: ffff800080466cdc x10: ffff80008f990650 x9 : 00000000000000f3 x8 : 05001fffe0001824 x7 : ffff8000803600c0 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 2800ffff0000c120 Call trace: __lock_acquire+0xfc/0x7904 kernel/locking/lockdep.c:5089 (P) lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5849 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154 __queue_work+0x8b0/0x1308 queue_work_on+0xe0/0x1a0 kernel/workqueue.c:2390 queue_work include/linux/workqueue.h:662 [inline] loop_queue_work drivers/block/loop.c:893 [inline] loop_queue_rq+0x974/0xadc drivers/block/loop.c:1876 __blk_mq_issue_directly block/blk-mq.c:2687 [inline] blk_mq_request_issue_directly+0x2dc/0x5a0 block/blk-mq.c:2774 blk_mq_plug_issue_direct+0x264/0x548 block/blk-mq.c:2795 blk_mq_flush_plug_list+0x654/0x13ac block/blk-mq.c:2906 __blk_flush_plug+0x388/0x460 block/blk-core.c:1213 blk_finish_plug+0x68/0x90 block/blk-core.c:1240 btrfs_write_and_wait_transaction+0xec/0x1e8 fs/btrfs/transaction.c:1258 btrfs_commit_transaction+0x1ad0/0x2ba4 fs/btrfs/transaction.c:2519 btrfs_ioctl_subvol_setflags+0x4a8/0x6b4 fs/btrfs/ioctl.c:1528 btrfs_ioctl+0x60c/0xb04 fs/btrfs/ioctl.c:5194 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __arm64_sys_ioctl+0x14c/0x1cc fs/ioctl.c:892 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Code: d007a948 b9465108 340090a8 d343fea8 (386d6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: d007a948 adrp x8, 0xf52a000 4: b9465108 ldr w8, [x8, #1616] 8: 340090a8 cbz w8, 0x121c c: d343fea8 lsr x8, x21, #3 * 10: 386d6908 ldrb w8, [x8, x13] <-- trapping instruction