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 PTI KASAN: probably user-memory-access in range [0x00000000000010d8-0x00000000000010df] CPU: 1 UID: 0 PID: 5534 Comm: syz-executor.0 Not tainted 6.12.0-rc1-syzkaller-00349-g8f602276d390 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:ir_raw_event_store_with_filter+0x459/0x960 drivers/media/rc/rc-ir-raw.c:184 Code: 0f b6 04 28 84 c0 0f 85 cc 02 00 00 48 89 e8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 dc 02 00 00 48 8b 2a 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 0c 48 89 df e8 d8 56 10 fa 48 8b 14 24 48 89 2b RSP: 0018:ffffc90000a18668 EFLAGS: 00010006 RAX: 000000000000021b RBX: 00000000000010d8 RCX: e784a1edbaa39000 RDX: ffffc90000a18800 RSI: 0000000080000101 RDI: 0000000000000000 RBP: 0000000000000080 R08: ffffffff81749f0c R09: 1ffff110170e519a R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff88802a959000 R13: dffffc0000000000 R14: 1ffff1100552b2b7 R15: ffff88802a9595b8 FS: 000055558f82c480(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001178 CR3: 00000000252a4000 CR4: 00000000003526f0 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_space drivers/media/rc/streamzap.c:132 [inline] sz_push_half_space drivers/media/rc/streamzap.c:138 [inline] streamzap_callback+0x856/0x1310 drivers/media/rc/streamzap.c:190 __usb_hcd_giveback_urb+0x42c/0x6e0 drivers/usb/core/hcd.c:1650 dummy_timer+0x830/0x45a0 drivers/usb/gadget/udc/dummy_hcd.c:1988 __run_hrtimer kernel/time/hrtimer.c:1691 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1755 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1772 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1037 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 be 63 2f f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 b3 08 94 f5 65 8b 05 44 b3 34 74 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc900044cfb80 EFLAGS: 00000206 RAX: e784a1edbaa39000 RBX: 1ffff92000899f74 RCX: ffffffff9a3cc903 RDX: dffffc0000000000 RSI: ffffffff8c0acac0 RDI: 0000000000000001 RBP: ffffc900044cfc10 R08: ffffffff901ced2f R09: 1ffffffff2039da5 R10: dffffc0000000000 R11: fffffbfff2039da6 R12: dffffc0000000000 R13: 1ffff92000899f70 R14: ffffc900044cfba0 R15: 0000000000000246 hrtimer_start_expires include/linux/hrtimer.h:289 [inline] hrtimer_sleeper_start_expires kernel/time/hrtimer.c:1953 [inline] do_nanosleep+0x158/0x600 kernel/time/hrtimer.c:2029 hrtimer_nanosleep+0x1e3/0x3f0 kernel/time/hrtimer.c:2080 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1411 [inline] __se_sys_clock_nanosleep+0x32b/0x3c0 kernel/time/posix-timers.c:1388 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7a2a6a7ef5 Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 f6 b9 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 4f ba ff ff 48 8b 04 24 48 83 c4 28 f7 d8 RSP: 002b:00007ffc1c1fb420 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7a2a6a7ef5 RDX: 00007ffc1c1fb460 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffc1c1fb4ec R08: 0000000000000000 R09: 7fffffffffffffff R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032 R13: 0000000000013473 R14: 0000000000013181 R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ir_raw_event_store_with_filter+0x459/0x960 drivers/media/rc/rc-ir-raw.c:184 Code: 0f b6 04 28 84 c0 0f 85 cc 02 00 00 48 89 e8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 dc 02 00 00 48 8b 2a 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 0c 48 89 df e8 d8 56 10 fa 48 8b 14 24 48 89 2b RSP: 0018:ffffc90000a18668 EFLAGS: 00010006 RAX: 000000000000021b RBX: 00000000000010d8 RCX: e784a1edbaa39000 RDX: ffffc90000a18800 RSI: 0000000080000101 RDI: 0000000000000000 RBP: 0000000000000080 R08: ffffffff81749f0c R09: 1ffff110170e519a R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff88802a959000 R13: dffffc0000000000 R14: 1ffff1100552b2b7 R15: ffff88802a9595b8 FS: 000055558f82c480(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001178 CR3: 00000000252a4000 CR4: 00000000003526f0 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 cc 02 00 00 jne 0x2d8 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 dc 02 00 00 jne 0x2fc 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 d8 56 10 fa call 0xfa105711 39: 48 8b 14 24 mov (%rsp),%rdx 3d: 48 89 2b mov %rbp,(%rbx)