rc rc0: IR event FIFO is full! rc rc0: IR event FIFO is full! rc rc0: IR event FIFO is full! rc rc0: IR event FIFO is full! rc rc0: IR event FIFO is full! Unable to handle kernel paging request at virtual address dfff80000000021b KASAN: probably user-memory-access in range [0x00000000000010d8-0x00000000000010df] 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, Xs = 0 [dfff80000000021b] address between user and kernel address ranges Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 6694 Comm: rm Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ir_raw_event_store_with_filter+0x354/0x7ac drivers/media/rc/rc-ir-raw.c:184 lr : ir_raw_event_store drivers/media/rc/rc-ir-raw.c:81 [inline] lr : ir_raw_event_store_with_filter+0x464/0x7ac drivers/media/rc/rc-ir-raw.c:183 sp : ffff800080017580 x29: ffff8000800175a0 x28: 0000000000000400 x27: 1fffe000191d54ba x26: dfff800000000000 x25: 0000000000000200 x24: 00000000000010d8 x23: 00000000000010d8 x22: 0000000000000080 x21: ffff800080017740 x20: ffff0000c8eaa5d0 x19: ffff0000c8eaa000 x18: ffff800080016d00 x17: 0000000000000000 x16: ffff80008ac972c0 x15: 0000000000000001 x14: 1ffff00010002dac x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000102 x10: 0000000000ff0100 x9 : 4192f9af70b05000 x8 : 000000000000021b x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800080016d78 x4 : ffff80008ed51900 x3 : ffff80008036ee5c x2 : 0000000000000001 x1 : 0000000000000101 x0 : 000000000000001e Call trace: ir_raw_event_store_with_filter+0x354/0x7ac drivers/media/rc/rc-ir-raw.c:184 sz_push drivers/media/rc/streamzap.c:104 [inline] sz_push_full_space drivers/media/rc/streamzap.c:132 [inline] sz_push_half_space drivers/media/rc/streamzap.c:138 [inline] streamzap_callback+0x668/0xee4 drivers/media/rc/streamzap.c:190 __usb_hcd_giveback_urb+0x2e0/0x504 drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x108/0x3f8 drivers/usb/core/hcd.c:1733 dummy_timer+0x66c/0x26cc drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x19c/0x8d4 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x524/0x6fc kernel/time/timer.c:2038 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:2051 __do_softirq+0x2d8/0xce4 kernel/softirq.c:553 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:889 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86 invoke_softirq kernel/softirq.c:434 [inline] __irq_exit_rcu+0x1d8/0x434 kernel/softirq.c:632 irq_exit_rcu+0x14/0x84 kernel/softirq.c:644 __el1_irq arch/arm64/kernel/entry-common.c:503 [inline] el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:517 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:522 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:594 __virt_to_phys+0x0/0x9c arch/arm64/mm/trans_pgd-asm.S:59 __kasan_record_aux_stack+0x20/0x110 mm/kasan/generic.c:570 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:612 __call_rcu_common kernel/rcu/tree.c:2715 [inline] call_rcu+0x104/0xaf4 kernel/rcu/tree.c:2829 dentry_free+0xa8/0x174 __dentry_kill+0x44c/0x5e8 fs/dcache.c:622 dput+0x1b8/0x290 fs/dcache.c:845 do_unlinkat+0x4e0/0x700 fs/namei.c:4401 __do_sys_unlinkat fs/namei.c:4441 [inline] __se_sys_unlinkat fs/namei.c:4434 [inline] __arm64_sys_unlinkat+0xcc/0xfc fs/namei.c:4434 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Code: 38fa6908 35001428 d343fee8 f94002b6 (387a6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 38fa6908 ldrsb w8, [x8, x26] 4: 35001428 cbnz w8, 0x288 8: d343fee8 lsr x8, x23, #3 c: f94002b6 ldr x22, [x21] * 10: 387a6908 ldrb w8, [x8, x26] <-- trapping instruction