Oops: general protection fault, probably for non-canonical address 0xdffffc0000000038: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x00000000000001c0-0x00000000000001c7] CPU: 1 UID: 0 PID: 17984 Comm: syz.7.3408 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 RIP: 0010:__queue_work+0xa2/0xf90 kernel/workqueue.c:2269 Code: 11 31 ff 89 ee e8 4e f4 37 00 85 ed 0f 85 ef 0c 00 00 e8 01 f0 37 00 4d 8d b7 c0 01 00 00 4c 89 f0 48 c1 e8 03 48 89 44 24 28 <42> 0f b6 04 20 84 c0 0f 85 22 0d 00 00 4c 89 34 24 41 8b 2e 89 ee RSP: 0018:ffffc90000a07f78 EFLAGS: 00010002 RAX: 0000000000000038 RBX: 0000000000000008 RCX: 0000000000040000 RDX: ffffc90002352000 RSI: 00000000000005d1 RDI: 00000000000005d2 RBP: 0000000000000000 R08: ffff888029a9b017 R09: 1ffff11005353602 R10: dffffc0000000000 R11: ffffed1005353603 R12: dffffc0000000000 R13: ffff888029a9b010 R14: 00000000000001c0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125163000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000058eec000 CR4: 00000000003526f0 Call Trace: queue_work_on+0x106/0x1d0 kernel/workqueue.c:2405 put_queue drivers/tty/vt/keyboard.c:328 [inline] k_pad+0x4c4/0xa90 drivers/tty/vt/keyboard.c:832 kbd_keycode drivers/tty/vt/keyboard.c:1497 [inline] kbd_event+0x2ec1/0x40d0 drivers/tty/vt/keyboard.c:1515 input_handle_events_default+0xd4/0x1a0 drivers/input/input.c:2541 input_pass_values+0x288/0x890 drivers/input/input.c:128 input_event_dispose+0x3e5/0x6b0 drivers/input/input.c:353 input_event+0x89/0xe0 drivers/input/input.c:396 hidinput_hid_event+0x1487/0x1e60 drivers/hid/hid-input.c:1747 hid_process_event+0x4be/0x620 drivers/hid/hid-core.c:1565 hid_input_array_field+0x41c/0x5f0 drivers/hid/hid-core.c:1677 hid_process_report drivers/hid/hid-core.c:1719 [inline] hid_report_raw_event+0xdd7/0x1720 drivers/hid/hid-core.c:2074 __hid_input_report drivers/hid/hid-core.c:2144 [inline] hid_input_report+0x44b/0x580 drivers/hid/hid-core.c:2166 hid_irq_in+0x47e/0x6d0 drivers/hid/usbhid/hid-core.c:286 __usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1657 dummy_timer+0xbbd/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1785 [inline] __hrtimer_run_queues+0x529/0xc30 kernel/time/hrtimer.c:1849 hrtimer_run_softirq+0x182/0x5a0 kernel/time/hrtimer.c:1866 handle_softirqs+0x22a/0x7c0 kernel/softirq.c:626 __do_softirq kernel/softirq.c:660 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:727 irq_exit_rcu+0x9/0x30 kernel/softirq.c:743 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:kasan_quarantine_put+0x6a/0x1f0 mm/kasan/quarantine.c:237 Code: 18 1e 3d 93 01 75 32 41 f7 c7 00 02 00 00 74 05 e8 6b 55 9e ff 9c 58 a9 00 02 00 00 75 78 41 f7 c7 00 02 00 00 74 01 fb 31 c0 <5b> 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc cc 48 8d 80 00 1e 3d 93 RSP: 0018:ffffc9000f0475b8 EFLAGS: 00000206 RAX: 0000000000000001 RBX: ffff88805a2e84d0 RCX: 0000000000000046 RDX: 0000000000000006 RSI: ffffffff8dff8547 RDI: ffffffff8c294900 RBP: 0000000000000000 R08: ffffffff903219b7 R09: 1ffffffff2064336 R10: dffffc0000000000 R11: fffffbfff2064337 R12: ffff88805a2e84d0 R13: 0000000000000000 R14: 00000000000d5108 R15: 0000000000000282 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2667 [inline] slab_free mm/slub.c:6075 [inline] kmem_cache_free+0x180/0x610 mm/slub.c:6201 anon_vma_chain_free mm/rmap.c:147 [inline] unlink_anon_vmas+0x69d/0x730 mm/rmap.c:532 free_pgtables+0x99c/0xd70 mm/memory.c:429 exit_mmap+0x482/0x9c0 mm/mmap.c:1313 __mmput+0x118/0x430 kernel/fork.c:1174 exit_mm+0x168/0x220 kernel/exit.c:581 do_exit+0x62e/0x2310 kernel/exit.c:959 do_group_exit+0x21b/0x2d0 kernel/exit.c:1112 get_signal+0x1284/0x1330 kernel/signal.c:3034 arch_do_signal_or_restart+0xbc/0x830 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline] exit_to_user_mode_loop+0x86/0x480 kernel/entry/common.c:98 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline] do_syscall_64+0x2b7/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2ecd79aeb9 Code: Unable to access opcode bytes at 0x7f2ecd79ae8f. RSP: 002b:00007f2ece6f70e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f2ecda15fa8 RCX: 00007f2ecd79aeb9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f2ecda15fa8 RBP: 00007f2ecda15fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2ecda16038 R14: 00007ffc7bbdb940 R15: 00007ffc7bbdba28 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__queue_work+0xa2/0xf90 kernel/workqueue.c:2269 Code: 11 31 ff 89 ee e8 4e f4 37 00 85 ed 0f 85 ef 0c 00 00 e8 01 f0 37 00 4d 8d b7 c0 01 00 00 4c 89 f0 48 c1 e8 03 48 89 44 24 28 <42> 0f b6 04 20 84 c0 0f 85 22 0d 00 00 4c 89 34 24 41 8b 2e 89 ee RSP: 0018:ffffc90000a07f78 EFLAGS: 00010002 RAX: 0000000000000038 RBX: 0000000000000008 RCX: 0000000000040000 RDX: ffffc90002352000 RSI: 00000000000005d1 RDI: 00000000000005d2 RBP: 0000000000000000 R08: ffff888029a9b017 R09: 1ffff11005353602 R10: dffffc0000000000 R11: ffffed1005353603 R12: dffffc0000000000 R13: ffff888029a9b010 R14: 00000000000001c0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125163000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000058eec000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 31 ff xor %edi,%edi 2: 89 ee mov %ebp,%esi 4: e8 4e f4 37 00 call 0x37f457 9: 85 ed test %ebp,%ebp b: 0f 85 ef 0c 00 00 jne 0xd00 11: e8 01 f0 37 00 call 0x37f017 16: 4d 8d b7 c0 01 00 00 lea 0x1c0(%r15),%r14 1d: 4c 89 f0 mov %r14,%rax 20: 48 c1 e8 03 shr $0x3,%rax 24: 48 89 44 24 28 mov %rax,0x28(%rsp) * 29: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 0f 85 22 0d 00 00 jne 0xd58 36: 4c 89 34 24 mov %r14,(%rsp) 3a: 41 8b 2e mov (%r14),%ebp 3d: 89 ee mov %ebp,%esi