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! Oops: general protection fault, probably for non-canonical address 0xdffffc000000021b: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x00000000000010d8-0x00000000000010df] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.12.0-rc3-syzkaller-g715ca9dd687f #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:ir_raw_event_store_with_filter+0x442/0x590 drivers/media/rc/rc-ir-raw.c:184 Code: 80 3c 02 00 0f 85 4e 01 00 00 4c 8b a3 b8 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d bc 24 d8 10 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 0d 01 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 RSP: 0018:ffffc90000858a28 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: ffff8880447aa000 RCX: ffffffff816d46e9 RDX: 000000000000021b RSI: ffffffff877eedd1 RDI: 00000000000010d8 RBP: ffffc90000858a98 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000101 R11: 0000000000000000 R12: 0000000000000000 R13: ffffc90000858a9d R14: 0000000000000080 R15: ffff8880447aa5b8 FS: 0000000000000000(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001178 CR3: 00000000310a6000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sz_push+0x97/0x1d0 drivers/media/rc/streamzap.c:104 sz_push_full_space drivers/media/rc/streamzap.c:132 [inline] sz_push_half_space drivers/media/rc/streamzap.c:138 [inline] streamzap_callback+0x57d/0x7e0 drivers/media/rc/streamzap.c:190 __usb_hcd_giveback_urb+0x389/0x6e0 drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734 dummy_timer+0x17c3/0x38d0 drivers/usb/gadget/udc/dummy_hcd.c:1988 __run_hrtimer kernel/time/hrtimer.c:1691 [inline] __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1755 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1772 handle_softirqs+0x213/0x8f0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1037 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:92 [inline] RIP: 0010:default_idle+0xf/0x20 arch/x86/kernel/process.c:743 Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d c3 12 44 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc90000197e08 EFLAGS: 00000206 RAX: 000000000005b0cf RBX: 0000000000000002 RCX: ffffffff8b227579 RDX: 0000000000000000 RSI: ffffffff8b6cd040 RDI: ffffffff8bd1a980 RBP: ffffed1003bd8000 R08: 0000000000000001 R09: ffffed100d507025 R10: ffff88806a83812b R11: ffffffff8b6f86c0 R12: 0000000000000002 R13: ffff88801dec0000 R14: ffffffff905f4a88 R15: 0000000000000000 default_idle_call+0x6d/0xb0 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x32c/0x3f0 kernel/sched/idle.c:326 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:424 start_secondary+0x222/0x2b0 arch/x86/kernel/smpboot.c:314 common_startup_64+0x13e/0x148 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ir_raw_event_store_with_filter+0x442/0x590 drivers/media/rc/rc-ir-raw.c:184 Code: 80 3c 02 00 0f 85 4e 01 00 00 4c 8b a3 b8 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d bc 24 d8 10 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 0d 01 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 RSP: 0018:ffffc90000858a28 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: ffff8880447aa000 RCX: ffffffff816d46e9 RDX: 000000000000021b RSI: ffffffff877eedd1 RDI: 00000000000010d8 RBP: ffffc90000858a98 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000101 R11: 0000000000000000 R12: 0000000000000000 R13: ffffc90000858a9d R14: 0000000000000080 R15: ffff8880447aa5b8 FS: 0000000000000000(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001178 CR3: 00000000310a6000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 4: 0f 85 4e 01 00 00 jne 0x158 a: 4c 8b a3 b8 05 00 00 mov 0x5b8(%rbx),%r12 11: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 18: fc ff df 1b: 49 8d bc 24 d8 10 00 lea 0x10d8(%r12),%rdi 22: 00 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 0d 01 00 00 jne 0x141 34: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 3b: fc ff df 3e: 48 rex.W 3f: 89 .byte 0x89