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: 5589 Comm: syz-executor.0 Not tainted 6.1.0-rc3-syzkaller-00054-gd65e6b6e884a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 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:ffffc90000007940 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: ffffc900000079b0 RCX: ffffc90001001000 RDX: 000000000000021b RSI: ffffffff84323e29 RDI: 00000000000010d8 RBP: ffff8881399b3000 R08: 000000000000001e R09: 0000000000000000 R10: 0000000000000101 R11: 0000000000000001 R12: 0000000000000000 R13: ffffc900000079b5 R14: 0000000000000880 R15: ffff8881399b35b0 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd327a45fc0 CR3: 000000011719d000 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+0x1da/0x7c0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers.part.0+0x6a2/0xaf0 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+0x1e4/0xabb 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:_compound_head include/linux/page-flags.h:255 [inline] RIP: 0010:PageAnon include/linux/page-flags.h:663 [inline] RIP: 0010:zap_pte_range mm/memory.c:1446 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1577 [inline] RIP: 0010:zap_pud_range mm/memory.c:1606 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1627 [inline] RIP: 0010:unmap_page_range+0xc66/0x3130 mm/memory.c:1648 Code: 20 08 4d 85 ff 0f 84 02 fd ff ff e8 a4 d3 dc ff 4d 8d 67 08 4c 89 e0 48 c1 e8 03 42 80 3c 30 00 0f 85 c9 1b 00 00 49 8b 47 08 <31> ff 48 89 c5 48 89 44 24 78 83 e5 01 48 89 ee e8 65 d0 dc ff 48 RSP: 0018:ffffc9000153f6b0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00007fd327dbe000 RCX: 0000000000000000 RDX: ffff88810ff9b880 RSI: ffffffff8169f68c RDI: ffffc9000153fa70 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffea0004683c88 R13: ffff88811cfe7de8 R14: dffffc0000000000 R15: ffffea0004683c80 unmap_single_vma+0x190/0x2a0 mm/memory.c:1694 unmap_vmas+0x21e/0x370 mm/memory.c:1733 exit_mmap+0x189/0x7a0 mm/mmap.c:3090 __mmput kernel/fork.c:1185 [inline] mmput+0xd5/0x420 kernel/fork.c:1207 exit_mm kernel/exit.c:516 [inline] do_exit+0xa39/0x29a0 kernel/exit.c:807 do_group_exit+0xd0/0x2a0 kernel/exit.c:950 get_signal+0x21a1/0x2430 kernel/signal.c:2858 arch_do_signal_or_restart+0x82/0x2300 arch/x86/kernel/signal.c:869 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x156/0x200 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:296 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd328735639 Code: Unable to access opcode bytes at 0x7fd32873560f. RSP: 002b:00007fd327a88218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007fd328856058 RCX: 00007fd328735639 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd328856058 RBP: 00007fd328856050 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd32885605c R13: 00007ffc583d343f R14: 00007fd327a88300 R15: 0000000000022000 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:ffffc90000007940 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: ffffc900000079b0 RCX: ffffc90001001000 RDX: 000000000000021b RSI: ffffffff84323e29 RDI: 00000000000010d8 RBP: ffff8881399b3000 R08: 000000000000001e R09: 0000000000000000 R10: 0000000000000101 R11: 0000000000000001 R12: 0000000000000000 R13: ffffc900000079b5 R14: 0000000000000880 R15: ffff8881399b35b0 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd327a45fc0 CR3: 000000011719d000 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