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: 14 Comm: ksoftirqd/0 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:ffffc900000ef888 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90001001000 RDX: 0000000000000038 RSI: ffffffff81494c30 RDI: 0000000000000005 RBP: ffff88810c76bbd0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000008 R13: 0000000000000000 R14: 0000000000000000 R15: 0100000000000006 FS: 0000000000000000(0000) GS:ffff888269164000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f17a2697bac CR3: 000000011cde8000 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 run_ksoftirqd kernel/softirq.c:968 [inline] run_ksoftirqd+0x3a/0x60 kernel/softirq.c:960 smpboot_thread_fn+0x3f4/0xae0 kernel/smpboot.c:164 kthread+0x3c5/0x780 kernel/kthread.c:464 ret_from_fork+0x5b3/0x6c0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 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:ffffc900000ef888 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90001001000 RDX: 0000000000000038 RSI: ffffffff81494c30 RDI: 0000000000000005 RBP: ffff88810c76bbd0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000008 R13: 0000000000000000 R14: 0000000000000000 R15: 0100000000000006 FS: 0000000000000000(0000) GS:ffff888269164000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f17a2697bac CR3: 000000011cde8000 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)