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: 9642 Comm: kworker/1:0 Not tainted 6.16.0-rc2-syzkaller-00052-g7481a97c5f49 #0 PREEMPT(voluntary)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: usb_hub_wq hub_event
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:ffffc900001a8a48 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90001202000
RDX: 0000000000000038 RSI: ffffffff81494c30 RDI: 0000000000000005
RBP: ffff88811b813bd0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000008
R13: 0000000000000000 R14: 0000000000000000 R15: 0100000000000009
FS: 0000000000000000(0000) GS:ffff888269264000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f57aeae1d60 CR3: 00000001245d8000 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:unwind_next_frame+0xfe/0x20a0 arch/x86/kernel/unwind_orc.c:482
Code: f4 05 5a 85 c0 0f 85 57 09 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8d 65 50 4c 89 e2 48 c1 ea 03 80 3c 02 00 0f 85 ee 17 00 00 <4d> 8b 75 50 4d 85 f6 74 36 49 8d be 88 00 00 00 48 b8 00 00 00 00
RSP: 0018:ffffc90011db7438 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 00000000ef10a8dd
RDX: 1ffff920023b6e9f RSI: ffffffff8768fbc0 RDI: ffffffff88bafb88
RBP: ffffc90011db74f0 R08: c2342b731fc2e5a0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffc90011db74f8
R13: ffffc90011db74a8 R14: 0000000000000000 R15: ffff888111309d00
arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:576
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x37/0x50 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:233 [inline]
slab_free_hook mm/slub.c:2381 [inline]
slab_free mm/slub.c:4643 [inline]
kfree+0x283/0x470 mm/slub.c:4842
kfree_const+0x55/0x60 mm/util.c:45
kobject_cleanup lib/kobject.c:695 [inline]
kobject_release lib/kobject.c:720 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x20b/0x5a0 lib/kobject.c:737
put_device drivers/base/core.c:3800 [inline]
device_unregister+0x2f/0xc0 drivers/base/core.c:3923
usb_remove_ep_devs+0x42/0x80 drivers/usb/core/endpoint.c:189
remove_intf_ep_devs drivers/usb/core/message.c:1266 [inline]
usb_disable_device+0x309/0x7d0 drivers/usb/core/message.c:1417
usb_disconnect+0x2e1/0x920 drivers/usb/core/hub.c:2316
hub_port_connect drivers/usb/core/hub.c:5375 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5675 [inline]
port_event drivers/usb/core/hub.c:5835 [inline]
hub_event+0x1aa0/0x5030 drivers/usb/core/hub.c:5917
process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3321 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402
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:ffffc900001a8a48 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90001202000
RDX: 0000000000000038 RSI: ffffffff81494c30 RDI: 0000000000000005
RBP: ffff88811b813bd0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000008
R13: 0000000000000000 R14: 0000000000000000 R15: 0100000000000009
FS: 0000000000000000(0000) GS:ffff888269264000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f57aeae1d60 CR3: 00000001245d8000 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)