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 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 [dfff80000000021b] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4476 Comm: sed Not tainted 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 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:186 lr : ir_raw_event_store drivers/media/rc/rc-ir-raw.c:83 [inline] lr : ir_raw_event_store_with_filter+0x464/0x7ac drivers/media/rc/rc-ir-raw.c:185 sp : ffff8000080174e0 x29: ffff800008017500 x28: 0000000000000400 x27: 1fffe00019dc3cd3 x26: dfff800000000000 x25: 0000000000000200 x24: 00000000000010d8 x23: 00000000000010d8 x22: 0000000000000080 x21: ffff8000080176a0 x20: ffff0000cee1e698 x19: ffff0000cee1e000 x18: 0000000000000102 x17: 0000000000000000 x16: ffff800011ac23e0 x15: 00000000ffffffff x14: ffff0000c68ad1c0 x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000000101 x10: 0000000000000000 x9 : 5c5077b3061edf00 x8 : 000000000000021b x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800008016b38 x4 : ffff800014b9fae0 x3 : ffff800008557c4c x2 : 0000000000000001 x1 : 0000000000000101 x0 : 000000000000001e Call trace: ir_raw_event_store_with_filter+0x354/0x7ac drivers/media/rc/rc-ir-raw.c:186 sz_push drivers/media/rc/streamzap.c:118 [inline] sz_push_full_space drivers/media/rc/streamzap.c:173 [inline] sz_push_half_space drivers/media/rc/streamzap.c:179 [inline] streamzap_callback+0x5e8/0xd68 drivers/media/rc/streamzap.c:231 __usb_hcd_giveback_urb+0x2e0/0x518 drivers/usb/core/hcd.c:1674 usb_hcd_giveback_urb+0x108/0x41c drivers/usb/core/hcd.c:1757 dummy_timer+0x66c/0x26cc drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x19c/0x8f0 kernel/time/timer.c:1451 expire_timers kernel/time/timer.c:1496 [inline] __run_timers+0x554/0x718 kernel/time/timer.c:1767 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1780 handle_softirqs+0x384/0xdbc kernel/softirq.c:558 __do_softirq kernel/softirq.c:592 [inline] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:439 [inline] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 irq_exit+0x14/0x88 kernel/softirq.c:665 handle_domain_irq+0xf4/0x178 kernel/irq/irqdesc.c:711 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:758 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:899 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:454 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:470 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:522 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] _raw_spin_unlock_irqrestore+0xbc/0x158 kernel/locking/spinlock.c:194 debug_object_activate+0x258/0x4b0 lib/debugobjects.c:711 debug_rcu_head_queue kernel/rcu/rcu.h:176 [inline] __call_rcu kernel/rcu/tree.c:2991 [inline] call_rcu+0x48/0xb40 kernel/rcu/tree.c:3087 tlb_remove_table_free mm/mmu_gather.c:161 [inline] tlb_table_flush mm/mmu_gather.c:200 [inline] tlb_flush_mmu_free mm/mmu_gather.c:238 [inline] tlb_flush_mmu mm/mmu_gather.c:247 [inline] tlb_finish_mmu+0x114/0x34c mm/mmu_gather.c:338 exit_mmap+0x2e4/0x558 mm/mmap.c:3188 __mmput+0xec/0x3b8 kernel/fork.c:1126 mmput+0x80/0xc8 kernel/fork.c:1147 exit_mm+0x5f0/0x70c kernel/exit.c:550 do_exit+0x4d4/0x20bc kernel/exit.c:861 do_group_exit+0x110/0x268 kernel/exit.c:996 __do_sys_exit_group kernel/exit.c:1007 [inline] __se_sys_exit_group kernel/exit.c:1005 [inline] __wake_up_parent+0x0/0x60 kernel/exit.c:1005 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: 38fa6908 35001428 d343fee8 f94002b6 (387a6908) ---[ end trace 7ec5fe19b0d7952e ]--- ---------------- 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