Unable to handle kernel paging request at virtual address dfff800000000031 KASAN: null-ptr-deref in range [0x0000000000000188-0x000000000000018f] Mem abort info: ESR = 0x0000000096000005 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x05: level 1 translation fault Data abort info: ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0 [dfff800000000031] address between user and kernel address ranges Internal error: Oops: 0000000096000005 [#1] SMP Modules linked in: CPU: 1 UID: 0 PID: 8684 Comm: kworker/u8:27 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 Workqueue: nvme-reset-wq nvme_reset_work pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : blk_mq_complete_request_remote+0xc4/0x858 block/blk-mq.c:1297 lr : blk_mq_complete_request_remote+0x88/0x858 block/blk-mq.c:1289 sp : ffff800095647900 x29: ffff800095647980 x28: ffff800095647900 x27: dfff800000000000 x26: 0000000000000000 x25: ffff0000c648326a x24: dfff800000000000 x23: ffff700012ac8f20 x22: 1fffe000192284a4 x21: 1fffe00018c90648 x20: 000000000000018e x19: ffff0000c9142400 x18: 1fffe00034bbbe28 x17: 0000000000000003 x16: ffff800088b37000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000004 x11: ffff700012ac8f3c x10: ffff8000884bb5d7 x9 : 1fffe00019228482 x8 : 0000000000000031 x7 : ffff80008281b4e0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80008281f228 x2 : 0000000000000000 x1 : ffff0000d604ba80 x0 : 0000000000000000 Call trace: blk_mq_complete_request_remote+0xc4/0x858 block/blk-mq.c:1297 (P) nvme_try_complete_req drivers/nvme/host/nvme.h:823 [inline] nvme_handle_cqe drivers/nvme/host/pci.c:1590 [inline] nvme_poll_cq+0x4ec/0x106c drivers/nvme/host/pci.c:1621 nvme_reap_pending_cqes drivers/nvme/host/pci.c:2078 [inline] nvme_dev_disable+0x384/0x540 drivers/nvme/host/pci.c:3328 nvme_reset_work+0x510/0x69c drivers/nvme/host/pci.c:3490 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:838 Code: 97d02797 f9400288 91063914 d343fe88 (38f86908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 97d02797 bl 0xffffffffff409e5c 4: f9400288 ldr x8, [x20] 8: 91063914 add x20, x8, #0x18e c: d343fe88 lsr x8, x20, #3 * 10: 38f86908 ldrsb w8, [x8, x24] <-- trapping instruction