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 6.1.30-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:ir_raw_event_store_with_filter+0x44f/0x940 drivers/media/rc/rc-ir-raw.c:184 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 72 e6 da fa 48 8b 14 24 48 89 2b RSP: 0018:ffffc900000075a8 EFLAGS: 00010006 RAX: 000000000000021b RBX: 00000000000010d8 RCX: de0ecfe854022400 RDX: ffffc90000007760 RSI: 0000000000000101 RDI: 0000000000000000 RBP: 0000010000000080 R08: ffffffff816d8a9c R09: fffff52000000de5 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881426a0000 R13: dffffc0000000000 R14: 1ffff110284d40b7 R15: ffff8881426a05b8 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001178 CR3: 00000000289ee000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sz_push drivers/media/rc/streamzap.c:104 [inline] sz_push_full_pulse drivers/media/rc/streamzap.c:115 [inline] sz_push_half_pulse drivers/media/rc/streamzap.c:121 [inline] streamzap_callback+0x786/0x12c0 drivers/media/rc/streamzap.c:189 __usb_hcd_giveback_urb+0x371/0x530 drivers/usb/core/hcd.c:1671 dummy_timer+0x8ad/0x3200 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x19e/0x6b0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1790 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1803 __do_softirq+0x2e9/0xa4c kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 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:130 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:113 [inline] RIP: 0010:acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:572 Code: 40 fd f6 48 83 e3 08 0f 85 0b 01 00 00 4c 8d 74 24 20 e8 44 ee 03 f7 0f 1f 44 00 00 e8 3a 3c fd f6 0f 00 2d 03 3a ba 00 fb f4 <4c> 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 db 83 53 f7 RSP: 0018:ffffffff8cc07b40 EFLAGS: 000002d3 RAX: ffffffff8a8c8936 RBX: 0000000000000000 RCX: ffffffff8ccbb800 RDX: 0000000000000000 RSI: ffffffff8aebd0a0 RDI: ffffffff8b3cc8a0 RBP: ffffffff8cc07bd0 R08: ffffffff8a8c8918 R09: fffffbfff1997701 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1980f68 R13: ffff888148eb0804 R14: ffffffff8cc07b60 R15: dffffc0000000000 acpi_idle_enter+0x352/0x4f0 drivers/acpi/processor_idle.c:709 cpuidle_enter_state+0x516/0xf80 drivers/cpuidle/cpuidle.c:239 cpuidle_enter+0x59/0x90 drivers/cpuidle/cpuidle.c:356 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x3ce/0x680 kernel/sched/idle.c:303 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400 rest_init+0x28f/0x2b0 init/main.c:729 arch_call_rest_init+0xa/0xa init/main.c:890 start_kernel+0x49b/0x544 init/main.c:1145 secondary_startup_64_no_verify+0xcf/0xdb Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ir_raw_event_store_with_filter+0x44f/0x940 drivers/media/rc/rc-ir-raw.c:184 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 72 e6 da fa 48 8b 14 24 48 89 2b RSP: 0018:ffffc900000075a8 EFLAGS: 00010006 RAX: 000000000000021b RBX: 00000000000010d8 RCX: de0ecfe854022400 RDX: ffffc90000007760 RSI: 0000000000000101 RDI: 0000000000000000 RBP: 0000010000000080 R08: ffffffff816d8a9c R09: fffff52000000de5 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881426a0000 R13: dffffc0000000000 R14: 1ffff110284d40b7 R15: ffff8881426a05b8 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001178 CR3: 00000000289ee000 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 72 e6 da fa callq 0xfadae6ab 39: 48 8b 14 24 mov (%rsp),%rdx 3d: 48 89 2b mov %rbp,(%rbx)