psci: CPU1 killed (polled 0 ms) Unable to handle kernel paging request at virtual address dfff800000000002 KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 [dfff800000000002] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 5181 Comm: kworker/0:10 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 Workqueue: events work_for_cpu_fn pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : xlog_cil_pcp_dead+0x3c/0x468 fs/xfs/xfs_log_cil.c:1806 lr : xlog_cil_pcp_dead+0x34/0x468 fs/xfs/xfs_log_cil.c:1805 sp : ffff800021187970 x29: ffff800021187970 x28: ffff8000153f7810 x27: 0000000000000000 x26: 1ffff00002a7ef04 x25: ffff8000159a7d00 x24: dfff800000000000 x23: dfff800000000000 x22: ffff0000f35d6000 x21: ffff0000f35d6140 x20: 0000000000000010 x19: 0000000000000001 x18: 1fffe00033e7277e x17: ffff80001537d000 x16: ffff800011b90540 x15: 000000000004ffff x14: 0000000000000001 x13: 1fffff7ffdfdb70b x12: 0000000000000000 x11: ff00800009b5e520 x10: 0000000000000000 x9 : ffff800009b5e520 x8 : 0000000000000002 x7 : ffff80000820d178 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000081fcab8 x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: xlog_cil_pcp_dead+0x3c/0x468 fs/xfs/xfs_log_cil.c:1806 xfs_cpu_dead+0xa4/0xf8 fs/xfs/xfs_super.c:2260 cpuhp_invoke_callback+0x390/0x6dc kernel/cpu.c:192 __cpuhp_invoke_callback_range kernel/cpu.c:700 [inline] cpuhp_invoke_callback_range kernel/cpu.c:724 [inline] cpuhp_down_callbacks kernel/cpu.c:1157 [inline] _cpu_down+0x44c/0xb10 kernel/cpu.c:1218 __cpu_down_maps_locked+0x48/0x9c kernel/cpu.c:1249 work_for_cpu_fn+0x60/0x94 kernel/workqueue.c:5184 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292 process_scheduled_works kernel/workqueue.c:2355 [inline] worker_thread+0xb5c/0xfe8 kernel/workqueue.c:2444 kthread+0x254/0x2e0 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 Code: f2fbfff7 97a552d1 91004294 d343fe88 (38776908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: f2fbfff7 movk x23, #0xdfff, lsl #48 4: 97a552d1 bl 0xfffffffffe954b48 8: 91004294 add x20, x20, #0x10 c: d343fe88 lsr x8, x20, #3 * 10: 38776908 ldrb w8, [x8, x23] <-- trapping instruction