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: 14403 Comm: kworker/0:7 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
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: 0000:ffffc90000007a48 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90001001000
RDX: 0000000000000038 RSI: ffffffff81494c30 RDI: 0000000000000005
RBP: ffff888139d4bbd0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000008
R13: 0000000000000000 R14: 0000000000000000 R15: 0100000000000002
FS: 0000000000000000(0000) GS:ffff888269164000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f62a98db9c0 CR3: 0000000133aec000 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:rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline]
RIP: 0010:rcu_is_watching+0x12/0xc0 kernel/rcu/tree.c:745
Code: 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 53 65 ff 05 63 67 08 0b e8 4e 0c cc 05 <48> c7 c3 a8 ef 6c 8c 89 c5 83 f8 07 0f 87 82 00 00 00 48 8d 3c ed
RSP: 0000:ffffc90012f47200 EFLAGS: 00000292
RAX: 0000000000000000 RBX: ffffffff890c7d80 RCX: ffffc90012f48001
RDX: 0000000000000000 RSI: ffffffff8768fbc0 RDI: ffffffff8768fc00
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000010b69 R12: ffffffff813b05f4
R13: ffffc90012f472d0 R14: ffffc90012f476e0 R15: ffffc90012f47304
trace_lock_release include/trace/events/lock.h:69 [inline]
lock_release+0x201/0x2f0 kernel/locking/lockdep.c:5882
rcu_lock_release include/linux/rcupdate.h:341 [inline]
rcu_read_unlock include/linux/rcupdate.h:871 [inline]
class_rcu_destructor include/linux/rcupdate.h:1155 [inline]
unwind_next_frame+0x3f9/0x20a0 arch/x86/kernel/unwind_orc.c:479
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_record_aux_stack+0x8c/0xa0 mm/kasan/generic.c:548
__call_rcu_common.constprop.0+0x9a/0x9f0 kernel/rcu/tree.c:3090
kernfs_put.part.0+0x162/0x640 fs/kernfs/dir.c:591
kernfs_put fs/kernfs/dir.c:1724 [inline]
kernfs_remove_by_name_ns+0xdf/0x110 fs/kernfs/dir.c:1718
kernfs_remove_by_name include/linux/kernfs.h:633 [inline]
remove_files+0x96/0x1c0 fs/sysfs/group.c:28
sysfs_remove_group+0x8b/0x180 fs/sysfs/group.c:322
sysfs_remove_groups fs/sysfs/group.c:346 [inline]
sysfs_remove_groups+0x60/0xa0 fs/sysfs/group.c:338
device_remove_groups drivers/base/core.c:2846 [inline]
device_remove_attrs+0x192/0x290 drivers/base/core.c:2976
device_del+0x38e/0x9f0 drivers/base/core.c:3880
device_unregister+0x1d/0xc0 drivers/base/core.c:3922
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: 0000:ffffc90000007a48 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90001001000
RDX: 0000000000000038 RSI: ffffffff81494c30 RDI: 0000000000000005
RBP: ffff888139d4bbd0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000008
R13: 0000000000000000 R14: 0000000000000000 R15: 0100000000000002
FS: 0000000000000000(0000) GS:ffff888269164000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f62a98db9c0 CR3: 0000000133aec000 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)