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: 25753 Comm: dhcpcd-run-hook 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: 0000:ffffc90000007960 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: ffffc900000079d0 RCX: ffffc90001001000 RDX: 000000000000021b RSI: ffffffff84379a19 RDI: 00000000000010d8 RBP: ffff88810cf4a000 R08: 000000000000001e R09: 0000000000000000 R10: 0000000000000102 R11: 0000000000000001 R12: 0000000000000000 R13: ffffc900000079d5 R14: 0000000000000780 R15: ffff88810cf4a5b0 FS: 00007feada16a800(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555d0c732088 CR3: 000000011d203000 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:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline] RIP: 0010:rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:121 [inline] RIP: 0010:rcu_is_watching+0x43/0xb0 kernel/rcu/tree.c:719 Code: c5 77 7a 48 8d 3c ed e0 88 5d 87 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 54 48 03 1c ed e0 88 5d 87 <48> b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 0f b6 14 02 48 RSP: 0000:ffffc9000ed4fa40 EFLAGS: 00000286 RAX: dffffc0000000000 RBX: ffff8881f6833748 RCX: ffffffff817252e7 RDX: 1ffffffff0ebb11c RSI: 0000000000000002 RDI: ffffffff875d88e0 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff88e2c517 R10: fffffbfff11c58a2 R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000000000 R14: ffffea0004aeed40 R15: ffffc9000ed4fac0 rcu_read_lock_held_common kernel/rcu/update.c:108 [inline] rcu_read_lock_sched_held+0x1c/0x70 kernel/rcu/update.c:123 trace_mm_page_alloc include/trace/events/kmem.h:213 [inline] __alloc_pages+0x3da/0x510 mm/page_alloc.c:5571 vma_alloc_folio+0xd9/0x4b0 mm/mempolicy.c:2231 alloc_page_vma include/linux/gfp.h:290 [inline] wp_page_copy+0x1f1/0x2640 mm/memory.c:3112 do_wp_page+0x192/0x1c80 mm/memory.c:3479 handle_pte_fault mm/memory.c:4935 [inline] __handle_mm_fault+0x1016/0x31c0 mm/memory.c:5059 handle_mm_fault+0x1c8/0x780 mm/memory.c:5157 do_user_addr_fault+0x475/0x1210 arch/x86/mm/fault.c:1407 handle_page_fault arch/x86/mm/fault.c:1498 [inline] exc_page_fault+0x94/0x170 arch/x86/mm/fault.c:1554 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x7feada293e0f Code: e8 66 d5 ff ff 49 29 ee 4c 8b 4c 24 08 49 83 fe 1f 0f 86 b7 00 00 00 49 8b 54 24 70 49 8d 04 2f 4c 39 4a 18 0f 85 43 02 00 00 <4c> 89 48 18 48 89 50 10 49 89 44 24 70 48 89 42 18 48 81 fd ff 03 RSP: 002b:00007ffdef702590 EFLAGS: 00010246 RAX: 0000555d0c732070 RBX: 000000000000102e RCX: 0000555d0c731030 RDX: 00007feada3c6a60 RSI: 0000000000000020 RDI: 0000555d0c731030 RBP: 0000000000001040 R08: 0000000000000003 R09: 00007feada3c6a60 R10: 0000000000000063 R11: 0000000000000000 R12: 00007feada3c6a00 R13: 00000000000014a0 R14: 0000000000000460 R15: 0000555d0c731030 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: 0000:ffffc90000007960 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: ffffc900000079d0 RCX: ffffc90001001000 RDX: 000000000000021b RSI: ffffffff84379a19 RDI: 00000000000010d8 RBP: ffff88810cf4a000 R08: 000000000000001e R09: 0000000000000000 R10: 0000000000000102 R11: 0000000000000001 R12: 0000000000000000 R13: ffffc900000079d5 R14: 0000000000000780 R15: ffff88810cf4a5b0 FS: 00007feada16a800(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555d0c732088 CR3: 000000011d203000 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