Oops: general protection fault, probably for non-canonical address 0xdffffc0000000038: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x00000000000001c0-0x00000000000001c7] CPU: 0 UID: 0 PID: 5237 Comm: udevd Not tainted 6.16.0-rc2-syzkaller-00053-gcf16f408364e #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__queue_work+0x9d/0x10f0 kernel/workqueue.c:2256 Code: 85 db 0f 84 ae 04 00 00 e8 50 80 34 00 49 8d 86 c0 01 00 00 48 89 c2 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e e8 0c 00 00 41 8b 9e c0 01 00 RSP: 0018:ffffc90000007a48 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90001001000 RDX: 0000000000000038 RSI: ffffffff81494c30 RDI: 0000000000000005 RBP: ffff888138babbd0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000008 R13: 0000000000000000 R14: 0000000000000000 R15: 0100000000000003 FS: 00007fadead62880(0000) GS:ffff888269164000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a74521d60 CR3: 000000013764a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: queue_work_on+0x15f/0x1f0 kernel/workqueue.c:2392 queue_work include/linux/workqueue.h:662 [inline] ieee80211_queue_work net/mac80211/util.c:906 [inline] ieee80211_queue_work+0x113/0x180 net/mac80211/util.c:899 carl9170_usb_rx_complete+0x275/0x2b0 drivers/net/wireless/ath/carl9170/usb.c:448 __usb_hcd_giveback_urb+0x38d/0x6e0 drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x39b/0x450 drivers/usb/core/hcd.c:1734 dummy_timer+0x180e/0x3a20 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x202/0xad0 kernel/time/hrtimer.c:1825 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1842 handle_softirqs+0x205/0x8d0 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xfa/0x160 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:debug_spin_unlock kernel/locking/spinlock_debug.c:105 [inline] RIP: 0010:do_raw_spin_unlock+0x102/0x230 kernel/locking/spinlock_debug.c:141 Code: 8e ff 00 00 00 65 8b 05 80 f8 10 0b 39 43 08 0f 85 b7 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 80 3c 02 00 <0f> 85 f8 00 00 00 48 89 ea 48 c7 43 10 ff ff ff ff 48 b8 00 00 00 RSP: 0018:ffffc9000224f890 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff888111573548 RCX: ffffffff815ac723 RDX: 1ffff110222ae6ab RSI: 0000000000000004 RDI: ffff888111573548 RBP: ffff888111573550 R08: 0000000000000000 R09: ffffed10222ae6a9 R10: ffff88811157354b R11: 0000000000000001 R12: ffff888111573558 R13: ffff888116a2d1d8 R14: 0000000000000000 R15: ffffc9000224f9a8 __raw_spin_unlock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_unlock+0x1e/0x50 kernel/locking/spinlock.c:186 spin_unlock include/linux/spinlock.h:391 [inline] __d_add fs/dcache.c:2692 [inline] d_add+0x3ee/0x780 fs/dcache.c:2712 simple_lookup fs/libfs.c:84 [inline] simple_lookup+0xd1/0x110 fs/libfs.c:74 lookup_open.isra.0+0x4c6/0x1560 fs/namei.c:3686 open_last_lookups fs/namei.c:3807 [inline] path_openat+0x893/0x2cb0 fs/namei.c:4043 do_filp_open+0x20b/0x470 fs/namei.c:4073 do_sys_openat2+0x11b/0x1d0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_openat fs/open.c:1468 [inline] __se_sys_openat fs/open.c:1463 [inline] __x64_sys_openat+0x174/0x210 fs/open.c:1463 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fadeae50407 Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff RSP: 002b:00007fff889b3590 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fadead62880 RCX: 00007fadeae50407 RDX: 0000000000080241 RSI: 00007fff889b3af0 RDI: ffffffffffffff9c RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000001b6 R11: 0000000000000202 R12: 00005573dd5abdfc R13: 00005573dd5abdfc R14: 0000000000000001 R15: 00005573dd5c6140 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__queue_work+0x9d/0x10f0 kernel/workqueue.c:2256 Code: 85 db 0f 84 ae 04 00 00 e8 50 80 34 00 49 8d 86 c0 01 00 00 48 89 c2 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e e8 0c 00 00 41 8b 9e c0 01 00 RSP: 0018:ffffc90000007a48 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90001001000 RDX: 0000000000000038 RSI: ffffffff81494c30 RDI: 0000000000000005 RBP: ffff888138babbd0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000008 R13: 0000000000000000 R14: 0000000000000000 R15: 0100000000000003 FS: 00007fadead62880(0000) GS:ffff888269164000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a74521d60 CR3: 000000013764a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 85 db test %ebx,%ebx 2: 0f 84 ae 04 00 00 je 0x4b6 8: e8 50 80 34 00 call 0x34805d d: 49 8d 86 c0 01 00 00 lea 0x1c0(%r14),%rax 14: 48 89 c2 mov %rax,%rdx 17: 48 89 44 24 10 mov %rax,0x10(%rsp) 1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 23: fc ff df 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 74 08 je 0x3a 32: 3c 03 cmp $0x3,%al 34: 0f 8e e8 0c 00 00 jle 0xd22 3a: 41 rex.B 3b: 8b .byte 0x8b 3c: 9e sahf 3d: c0 01 00 rolb $0x0,(%rcx)