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: 9100 Comm: udevd Not tainted 6.0.0-syzkaller-09039-ga6afa4199d3d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:ir_raw_event_store_with_filter+0x424/0x590 drivers/media/rc/rc-ir-raw.c:184 Code: 80 3c 02 00 0f 85 5b 01 00 00 4c 8b a5 b0 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 4b 01 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 RSP: 0018:ffffc90000007960 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: ffffc900000079d0 RCX: ffffc90001001000 RDX: 000000000000021b RSI: ffffffff84379a19 RDI: 00000000000010d8 RBP: ffff888109b69000 R08: 000000000000001e R09: 0000000000000000 R10: 0000000000000101 R11: 0000000000000001 R12: 0000000000000000 R13: ffffc900000079d5 R14: 0000000000000280 R15: ffff888109b695b0 FS: 00007f0bdfd51840(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0bdfd50160 CR3: 000000013c028000 CR4: 00000000003506f0 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+0x338/0x7b0 drivers/media/rc/streamzap.c:190 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1671 usb_hcd_giveback_urb+0x380/0x430 drivers/usb/core/hcd.c:1754 dummy_timer+0x11ff/0x32c0 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers.part.0+0x674/0xa80 kernel/time/timer.c:1790 __run_timers kernel/time/timer.c:1768 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803 __do_softirq+0x1bd/0x9ab kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194 Code: 74 24 10 e8 0a 79 31 fb 48 89 ef e8 92 fa 31 fb 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 03 59 27 fb 65 8b 05 ac ca 09 7a 85 c0 74 0a 5b 5d c3 e8 90 d7 RSP: 0018:ffffc9000e26fc88 EFLAGS: 00000206 RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff161e14e RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffffffff8ba7cf70 R08: 0000000000000001 R09: ffffffff8b0c3737 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88813a4d8800 R13: dffffc0000000000 R14: 1ffff92001c4df96 R15: ffffffff864920c0 debug_object_activate+0x1b3/0x3e0 lib/debugobjects.c:692 debug_rcu_head_queue kernel/rcu/rcu.h:189 [inline] kvfree_call_rcu+0x32/0x8f0 kernel/rcu/tree.c:3332 kernfs_unlink_open_file+0x3a3/0x4a0 fs/kernfs/file.c:629 kernfs_fop_release+0xe7/0x1e0 fs/kernfs/file.c:801 __fput+0x27c/0xa90 fs/file_table.c:320 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x1f7/0x200 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0bdfea8fc3 Code: 48 ff ff ff b8 ff ff ff ff e9 3e ff ff ff 66 0f 1f 84 00 00 00 00 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 RSP: 002b:00007ffcee473568 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 000000000000000c RCX: 00007f0bdfea8fc3 RDX: 0000000000001000 RSI: 00007ffcee473a08 RDI: 0000000000000008 RBP: 00005568a025e0e6 R08: 00005568a025e0e6 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 R13: 00005568a15e4960 R14: 00007ffcee473a08 R15: 00005568a025da7c Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ir_raw_event_store_with_filter+0x424/0x590 drivers/media/rc/rc-ir-raw.c:184 Code: 80 3c 02 00 0f 85 5b 01 00 00 4c 8b a5 b0 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 4b 01 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 RSP: 0018:ffffc90000007960 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: ffffc900000079d0 RCX: ffffc90001001000 RDX: 000000000000021b RSI: ffffffff84379a19 RDI: 00000000000010d8 RBP: ffff888109b69000 R08: 000000000000001e R09: 0000000000000000 R10: 0000000000000101 R11: 0000000000000001 R12: 0000000000000000 R13: ffffc900000079d5 R14: 0000000000000280 R15: ffff888109b695b0 FS: 00007f0bdfd51840(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0bdfd50160 CR3: 000000013c028000 CR4: 00000000003506f0 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 5b 01 00 00 jne 0x165 a: 4c 8b a5 b0 05 00 00 mov 0x5b0(%rbp),%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 4b 01 00 00 jne 0x17f 34: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 3b: fc ff df 3e: 48 rex.W 3f: 89 .byte 0x89