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! general protection fault, probably for non-canonical address 0xdffffc000000021b: 0000 [#1] PREEMPT SMP KASAN KASAN: probably user-memory-access in range [0x00000000000010d8-0x00000000000010df] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.112-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 RIP: 0010:ir_raw_event_store_with_filter+0x44f/0x940 drivers/media/rc/rc-ir-raw.c:186 Code: 0f b6 04 28 84 c0 0f 85 c8 02 00 00 48 89 e8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 d8 02 00 00 48 8b 2a 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 0c 48 89 df e8 12 83 0d fb 48 8b 14 24 48 89 2b RSP: 0018:ffffc900000074e8 EFLAGS: 00010006 RAX: 000000000000021b RBX: 00000000000010d8 RCX: 9f67e4e319692800 RDX: ffffc900000075c0 RSI: 0000000000000101 RDI: 0000000000000000 RBP: 0000010000000080 R08: ffffffff8166391c R09: fffff52000000d95 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801845e000 R13: dffffc0000000000 R14: 1ffff1100308bcd0 R15: ffff88801845e680 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001178 CR3: 0000000022e33000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sz_push drivers/media/rc/streamzap.c:118 [inline] sz_push_full_pulse+0x314/0x580 drivers/media/rc/streamzap.c:155 streamzap_callback+0x5d7/0x1140 __usb_hcd_giveback_urb+0x371/0x530 drivers/usb/core/hcd.c:1670 dummy_timer+0x8ad/0x3200 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x16d/0x560 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1737 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1750 __do_softirq+0x3b3/0x93a kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:22 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:132 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:110 [inline] RIP: 0010:acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:570 Code: 1d 5c f7 48 83 e3 08 0f 85 0a 01 00 00 4c 8d 74 24 20 e8 24 8a 62 f7 0f 1f 44 00 00 e8 3a 19 5c f7 0f 00 2d 93 87 be 00 fb f4 <4c> 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 1b 75 a5 f7 RSP: 0018:ffffffff8c607b80 EFLAGS: 000002d3 RAX: ffffffff8a23cfa6 RBX: 0000000000000000 RCX: ffffffff8c6bb5c0 RDX: 0000000000000000 RSI: ffffffff8a8afb60 RDI: ffffffff8ad85d40 RBP: ffffffff8c607c10 R08: ffffffff818659f0 R09: fffffbfff18d76b9 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff18c0f70 R13: ffff8881468b6804 R14: ffffffff8c607ba0 R15: dffffc0000000000 acpi_idle_enter+0x352/0x4f0 drivers/acpi/processor_idle.c:705 cpuidle_enter_state+0x521/0xef0 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x59/0x90 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:158 [inline] cpuidle_idle_call kernel/sched/idle.c:239 [inline] do_idle+0x3e4/0x670 kernel/sched/idle.c:306 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403 start_kernel+0x491/0x53a init/main.c:1144 secondary_startup_64_no_verify+0xb1/0xbb Modules linked in: ---[ end trace b855503394f47535 ]--- RIP: 0010:ir_raw_event_store_with_filter+0x44f/0x940 drivers/media/rc/rc-ir-raw.c:186 Code: 0f b6 04 28 84 c0 0f 85 c8 02 00 00 48 89 e8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 d8 02 00 00 48 8b 2a 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 0c 48 89 df e8 12 83 0d fb 48 8b 14 24 48 89 2b RSP: 0018:ffffc900000074e8 EFLAGS: 00010006 RAX: 000000000000021b RBX: 00000000000010d8 RCX: 9f67e4e319692800 RDX: ffffc900000075c0 RSI: 0000000000000101 RDI: 0000000000000000 RBP: 0000010000000080 R08: ffffffff8166391c R09: fffff52000000d95 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801845e000 R13: dffffc0000000000 R14: 1ffff1100308bcd0 R15: ffff88801845e680 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001178 CR3: 0000000022e33000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 0f b6 04 28 movzbl (%rax,%rbp,1),%eax 4: 84 c0 test %al,%al 6: 0f 85 c8 02 00 00 jne 0x2d4 c: 48 89 e8 mov %rbp,%rax f: 48 c1 e8 03 shr $0x3,%rax 13: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax 18: 84 c0 test %al,%al 1a: 0f 85 d8 02 00 00 jne 0x2f8 20: 48 8b 2a mov (%rdx),%rbp 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction 2f: 74 0c je 0x3d 31: 48 89 df mov %rbx,%rdi 34: e8 12 83 0d fb callq 0xfb0d834b 39: 48 8b 14 24 mov (%rsp),%rdx 3d: 48 89 2b mov %rbp,(%rbx)