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: 1 PID: 2396 Comm: udevd Not tainted 6.7.0-rc5-syzkaller-00172-g933bb7b878dd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:ir_raw_event_store_with_filter+0x43e/0x590 drivers/media/rc/rc-ir-raw.c:184 Code: 80 3c 02 00 0f 85 4e 01 00 00 4c 8b a3 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 0d 01 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 RSP: 0018:ffffc900001988e0 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: ffff88811d6f9000 RCX: ffffc90001202000 RDX: 000000000000021b RSI: ffffffff8484b871 RDI: 00000000000010d8 RBP: ffffc90000198950 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000101 R11: 000000000043df00 R12: 0000000000000000 R13: ffffc90000198955 R14: 000000000000fc80 R15: ffff88811d6f95b0 FS: 00007fef68596c80(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc79189e440 CR3: 00000001157c5000 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+0x2b1/0x7e0 drivers/media/rc/streamzap.c:215 __usb_hcd_giveback_urb+0x359/0x5c0 drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x389/0x430 drivers/usb/core/hcd.c:1733 dummy_timer+0x1415/0x35f0 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x193/0x580 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x764/0xb10 kernel/time/timer.c:2022 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035 __do_softirq+0x20a/0x94b kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu kernel/softirq.c:632 [inline] irq_exit_rcu+0xa7/0x110 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x8e/0xb0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:__sanitizer_cov_trace_pc+0x59/0x60 kernel/kcov.c:225 Code: 82 10 15 00 00 83 f8 02 75 20 48 8b 8a 18 15 00 00 8b 92 14 15 00 00 48 8b 01 48 83 c0 01 48 39 d0 73 07 48 89 01 48 89 34 c1 66 0f 1f 44 00 00 f3 0f 1e fa 41 57 41 56 41 55 41 54 55 53 48 RSP: 0018:ffffc9000144f340 EFLAGS: 00000293 RAX: 0000000000000000 RBX: ffffc9000144f3c8 RCX: ffffffff8113a77b RDX: ffff8881155b5700 RSI: ffffffff8113a81c RDI: ffffc9000144f3d8 RBP: ffffc9000144f4f8 R08: 0000000000000004 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000003 R12: ffffc90001448000 R13: ffffc90001450000 R14: ffffc9000144f500 R15: 0000000000000001 unwind_next_frame+0x121c/0x2390 arch/x86/kernel/unwind_orc.c:665 arch_stack_walk+0xfa/0x170 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:522 ____kasan_slab_free mm/kasan/common.c:236 [inline] ____kasan_slab_free+0x13c/0x190 mm/kasan/common.c:200 kasan_slab_free include/linux/kasan.h:164 [inline] slab_free_hook mm/slub.c:1800 [inline] slab_free_freelist_hook mm/slub.c:1826 [inline] slab_free mm/slub.c:3809 [inline] __kmem_cache_free+0xf8/0x1f0 mm/slub.c:3822 tomoyo_realpath_from_path+0x1a6/0x710 security/tomoyo/realpath.c:286 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_check_open_permission+0x2a3/0x3b0 security/tomoyo/file.c:771 tomoyo_file_open security/tomoyo/tomoyo.c:332 [inline] tomoyo_file_open+0xa8/0xd0 security/tomoyo/tomoyo.c:327 security_file_open+0x6a/0xe0 security/security.c:2836 do_dentry_open+0x5b7/0x1720 fs/open.c:935 do_open fs/namei.c:3622 [inline] path_openat+0x1d4e/0x2c40 fs/namei.c:3779 do_filp_open+0x1de/0x430 fs/namei.c:3809 do_sys_openat2+0x176/0x1e0 fs/open.c:1440 do_sys_open fs/open.c:1455 [inline] __do_sys_openat fs/open.c:1471 [inline] __se_sys_openat fs/open.c:1466 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1466 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fef686c19a4 Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffec883ca90 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00005652bf7b9040 RCX: 00007fef686c19a4 RDX: 0000000000080141 RSI: 00005652bf79c0d8 RDI: 00000000ffffff9c RBP: 00005652bf79c0d8 R08: 00000000ffffffff R09: 0000000000000000 R10: 00000000000001a4 R11: 0000000000000246 R12: 0000000000080141 R13: ffffffffffffffff R14: 00000000ffffffff R15: 00000000ffffffff Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ir_raw_event_store_with_filter+0x43e/0x590 drivers/media/rc/rc-ir-raw.c:184 Code: 80 3c 02 00 0f 85 4e 01 00 00 4c 8b a3 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 0d 01 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 RSP: 0018:ffffc900001988e0 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: ffff88811d6f9000 RCX: ffffc90001202000 RDX: 000000000000021b RSI: ffffffff8484b871 RDI: 00000000000010d8 RBP: ffffc90000198950 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000101 R11: 000000000043df00 R12: 0000000000000000 R13: ffffc90000198955 R14: 000000000000fc80 R15: ffff88811d6f95b0 FS: 00007fef68596c80(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc79189e440 CR3: 00000001157c5000 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 4e 01 00 00 jne 0x158 a: 4c 8b a3 b0 05 00 00 mov 0x5b0(%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