xpad 5-1:179.65: xpad_irq_in - usb_submit_urb failed with result -19
xpad 5-1:179.65: xpad_irq_out - usb_submit_urb failed with result -19
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: 5920 Comm: kworker/1:6 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:__queue_work+0xa2/0xf90 kernel/workqueue.c:2269
Code: 11 31 ff 89 ee e8 2e f3 37 00 85 ed 0f 85 ef 0c 00 00 e8 e1 ee 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:ffffc90000a087f8 EFLAGS: 00010002
RAX: 0000000000000038 RBX: 0000000000000008 RCX: 0000000000040000
RDX: ffffc90002372000 RSI: 0000000000000c10 RDI: 0000000000000c11
RBP: 0000000000000000 R08: ffff88806219a01f R09: 1ffff1100c433403
R10: dffffc0000000000 R11: ffffed100c433404 R12: dffffc0000000000
R13: ffff88806219a018 R14: 00000000000001c0 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff88812515d000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8cb3de8600 CR3: 0000000021eac000 CR4: 00000000003526f0
Call Trace:
queue_work_on+0x106/0x1d0 kernel/workqueue.c:2405
qt2_process_read_urb drivers/usb/serial/quatech2.c:541 [inline]
qt2_read_bulk_callback+0xe96/0x1030 drivers/usb/serial/quatech2.c:574
__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:orc_ip arch/x86/kernel/unwind_orc.c:81 [inline]
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:103 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:238 [inline]
RIP: 0010:unwind_next_frame+0x51a/0x23c0 arch/x86/kernel/unwind_orc.c:510
Code: 83 e0 fe 4c 8d 3c 45 00 00 00 00 49 01 ef 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 27 49 63 07 <4c> 01 f8 49 8d 4f 04 4c 39 e0 48 0f 46 e9 49 8d 47 fc 48 0f 47 d8
RSP: 0018:ffffc90004ad6498 EFLAGS: 00000246
RAX: fffffffff21708b0 RBX: ffffffff90572fe8 RCX: dffffc0000000000
RDX: ffffffff90572fe8 RSI: ffffffff90d9f256 RDI: ffffffff8c294fa0
RBP: ffffffff90572fe8 R08: 0000000000000001 R09: ffffffff8e95e1a0
R10: ffffc90004ad65b8 R11: ffffffff81b06b70 R12: ffffffff826e39ba
R13: ffffffff90572fe8 R14: ffffc90004ad6568 R15: ffffffff90572fe8
arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
unpoison_slab_object mm/kasan/common.c:340 [inline]
__kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:366
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4452 [inline]
slab_alloc_node mm/slub.c:4781 [inline]
kmem_cache_alloc_noprof+0x2bc/0x650 mm/slub.c:4788
__kernfs_new_node+0xe9/0x8e0 fs/kernfs/dir.c:637
kernfs_new_node+0x102/0x210 fs/kernfs/dir.c:718
__kernfs_create_file+0x4b/0x2e0 fs/kernfs/file.c:1057
sysfs_add_file_mode_ns+0x238/0x300 fs/sysfs/file.c:313
sysfs_create_file_ns+0x12b/0x1b0 fs/sysfs/file.c:374
device_add+0x440/0xb70 drivers/base/core.c:3636
usb_serial_probe+0x26f4/0x2e50 drivers/usb/serial/usb-serial.c:1150
usb_probe_interface+0x668/0xc90 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x267/0xaf0 drivers/base/dd.c:661
__driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
__device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
__device_attach+0x2c5/0x450 drivers/base/dd.c:1033
device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
device_add+0x7b6/0xb70 drivers/base/core.c:3689
usb_set_configuration+0x1a87/0x2110 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
usb_probe_device+0x1c4/0x3b0 drivers/usb/core/driver.c:291
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x267/0xaf0 drivers/base/dd.c:661
__driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
__device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
__device_attach+0x2c5/0x450 drivers/base/dd.c:1033
device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
device_add+0x7b6/0xb70 drivers/base/core.c:3689
usb_new_device+0xa08/0x16f0 drivers/usb/core/hub.c:2695
hub_port_connect drivers/usb/core/hub.c:5567 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
port_event drivers/usb/core/hub.c:5871 [inline]
hub_event+0x2a1c/0x4f30 drivers/usb/core/hub.c:5953
process_one_work+0x949/0x15a0 kernel/workqueue.c:3279
process_scheduled_works kernel/workqueue.c:3362 [inline]
worker_thread+0xb46/0x1140 kernel/workqueue.c:3443
kthread+0x388/0x470 kernel/kthread.c:467
ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__queue_work+0xa2/0xf90 kernel/workqueue.c:2269
Code: 11 31 ff 89 ee e8 2e f3 37 00 85 ed 0f 85 ef 0c 00 00 e8 e1 ee 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:ffffc90000a087f8 EFLAGS: 00010002
RAX: 0000000000000038 RBX: 0000000000000008 RCX: 0000000000040000
RDX: ffffc90002372000 RSI: 0000000000000c10 RDI: 0000000000000c11
RBP: 0000000000000000 R08: ffff88806219a01f R09: 1ffff1100c433403
R10: dffffc0000000000 R11: ffffed100c433404 R12: dffffc0000000000
R13: ffff88806219a018 R14: 00000000000001c0 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff88812515d000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8cb3de8600 CR3: 0000000021eac000 CR4: 00000000003526f0
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 31 ff xor %edi,%edi
2: 89 ee mov %ebp,%esi
4: e8 2e f3 37 00 call 0x37f337
9: 85 ed test %ebp,%ebp
b: 0f 85 ef 0c 00 00 jne 0xd00
11: e8 e1 ee 37 00 call 0x37eef7
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