general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 6.1.0-rc2-syzkaller-00078-g98555239e4c3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Workqueue: usb_hub_wq hub_event
RIP: 0010:__skb_insert include/linux/skbuff.h:2167 [inline]
RIP: 0010:__skb_queue_before include/linux/skbuff.h:2273 [inline]
RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2306 [inline]
RIP: 0010:skb_queue_tail+0xb8/0x120 net/core/skbuff.c:3504
Code: dc a9 f9 4d 89 2f 49 bf 00 00 00 00 00 fc ff df 42 80 7c 3d 00 00 74 08 4c 89 f7 e8 62 dc a9 f9 49 89 1e 4c 89 e8 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 ef e8 49 dc a9 f9 49 89 5d 00 49 83 c4
RSP: 0018:ffffc900000077c8 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff888025e49000 RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc900000076a0
RBP: 1ffff11004976713 R08: dffffc0000000000 R09: fffff52000000ed4
R10: fffff52000000ed5 R11: 1ffff92000000ed4 R12: ffff888024bb3890
R13: 0000000000000000 R14: ffff888024bb3898 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb6958291c8 CR3: 000000007c6e1000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
hif_usb_regout_cb+0x12d/0x160 drivers/net/wireless/ath/ath9k/hif_usb.c:90
__usb_hcd_giveback_urb+0x369/0x530 drivers/usb/core/hcd.c:1671
dummy_timer+0x86b/0x3110 drivers/usb/gadget/udc/dummy_hcd.c:1988
call_timer_fn+0xf5/0x210 kernel/time/timer.c:1474
expire_timers kernel/time/timer.c:1519 [inline]
__run_timers+0x76a/0x980 kernel/time/timer.c:1790
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1803
__do_softirq+0x277/0x75b kernel/softirq.c:571
__irq_exit_rcu+0xec/0x170 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1107
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:sysfs_unmerge_group+0x0/0x130 fs/sysfs/group.c:361
Code: fc ff ff 48 8d 7c 24 70 e8 ed a8 c6 ff 48 ba 00 00 00 00 00 fc ff df e9 5f fc ff ff e8 59 e3 2f 08 66 0f 1f 84 00 00 00 00 00 <41> 57 41 56 41 55 41 54 53 49 89 f7 48 89 fb 49 bd 00 00 00 00 00
RSP: 0018:ffffc900000c7380 EFLAGS: 00000293
RAX: ffffffff84f2572f RBX: 0000000000000006 RCX: ffff888012363a80
RDX: 0000000000000000 RSI: ffffffff8b245920 RDI: ffff888017f85010
RBP: ffffc900000c74a0 R08: ffffffff84f25726 R09: fffff52000018e65
R10: fffff52000018e65 R11: 1ffff92000018e64 R12: ffff888017f85010
R13: dffffc0000000000 R14: ffff888017f85010 R15: ffff888012363aac
dpm_sysfs_remove+0x4e/0xb0 drivers/base/power/sysfs.c:833
device_del+0x2ed/0xbe0 drivers/base/core.c:3681
device_unregister+0x17/0xb0 drivers/base/core.c:3736
usb_remove_ep_devs+0x4c/0x80 drivers/usb/core/endpoint.c:188
remove_intf_ep_devs drivers/usb/core/message.c:1267 [inline]
usb_disable_device+0x35a/0x820 drivers/usb/core/message.c:1418
usb_disconnect+0x346/0x890 drivers/usb/core/hub.c:2235
hub_port_connect+0x296/0x2910 drivers/usb/core/hub.c:5197
hub_port_connect_change+0x619/0xbe0 drivers/usb/core/hub.c:5497
port_event+0xec6/0x13b0 drivers/usb/core/hub.c:5653
hub_event+0x5c1/0xd80 drivers/usb/core/hub.c:5735
process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__skb_insert include/linux/skbuff.h:2167 [inline]
RIP: 0010:__skb_queue_before include/linux/skbuff.h:2273 [inline]
RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2306 [inline]
RIP: 0010:skb_queue_tail+0xb8/0x120 net/core/skbuff.c:3504
Code: dc a9 f9 4d 89 2f 49 bf 00 00 00 00 00 fc ff df 42 80 7c 3d 00 00 74 08 4c 89 f7 e8 62 dc a9 f9 49 89 1e 4c 89 e8 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 ef e8 49 dc a9 f9 49 89 5d 00 49 83 c4
RSP: 0018:ffffc900000077c8 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff888025e49000 RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc900000076a0
RBP: 1ffff11004976713 R08: dffffc0000000000 R09: fffff52000000ed4
R10: fffff52000000ed5 R11: 1ffff92000000ed4 R12: ffff888024bb3890
R13: 0000000000000000 R14: ffff888024bb3898 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb6958291c8 CR3: 000000007c6e1000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: dc a9 f9 4d 89 2f fsubrl 0x2f894df9(%rcx)
6: 49 bf 00 00 00 00 00 movabs $0xdffffc0000000000,%r15
d: fc ff df
10: 42 80 7c 3d 00 00 cmpb $0x0,0x0(%rbp,%r15,1)
16: 74 08 je 0x20
18: 4c 89 f7 mov %r14,%rdi
1b: e8 62 dc a9 f9 callq 0xf9a9dc82
20: 49 89 1e mov %rbx,(%r14)
23: 4c 89 e8 mov %r13,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 4c 89 ef mov %r13,%rdi
34: e8 49 dc a9 f9 callq 0xf9a9dc82
39: 49 89 5d 00 mov %rbx,0x0(%r13)
3d: 49 rex.WB
3e: 83 .byte 0x83
3f: c4 .byte 0xc4