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: 14 Comm: ksoftirqd/0 Not tainted 5.15.104-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 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 92 d0 10 fb 48 8b 14 24 48 89 2b RSP: 0018:ffffc90000d37388 EFLAGS: 00010006 RAX: 000000000000021b RBX: 00000000000010d8 RCX: 5d1388205437d600 RDX: ffffc90000d37460 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 0000010000000080 R08: ffffffff8166101c R09: fffff520001a6d69 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807d9da000 R13: dffffc0000000000 R14: 1ffff1100fb3b4d0 R15: ffff88807d9da680 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d82c000 CR3: 000000007e2a8000 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 run_ksoftirqd+0xc1/0x120 kernel/softirq.c:920 smpboot_thread_fn+0x51b/0x9d0 kernel/smpboot.c:164 kthread+0x3f6/0x4f0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Modules linked in: ---[ end trace c4939993d8b46c16 ]--- 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 92 d0 10 fb 48 8b 14 24 48 89 2b RSP: 0018:ffffc90000d37388 EFLAGS: 00010006 RAX: 000000000000021b RBX: 00000000000010d8 RCX: 5d1388205437d600 RDX: ffffc90000d37460 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 0000010000000080 R08: ffffffff8166101c R09: fffff520001a6d69 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807d9da000 R13: dffffc0000000000 R14: 1ffff1100fb3b4d0 R15: ffff88807d9da680 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d82c000 CR3: 000000007e2a8000 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 92 d0 10 fb callq 0xfb10d0cb 39: 48 8b 14 24 mov (%rsp),%rdx 3d: 48 89 2b mov %rbp,(%rbx)