------------[ cut here ]------------
WARNING: CPU: 0 PID: 1872 at kernel/kcov.c:870 kcov_remote_start+0x274/0x6e0 kernel/kcov.c:870
Modules linked in:
CPU: 0 PID: 1872 Comm: kworker/0:2 Not tainted 6.10.0-rc2-syzkaller-00024-g5821bf2dffbe #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:kcov_remote_start+0x274/0x6e0 kernel/kcov.c:870
Code: c0 22 49 89 47 08 e9 87 00 00 00 f6 c4 01 0f 85 06 fe ff ff e9 dc fd ff ff 44 8b 95 54 15 00 00 45 85 d2 0f 84 d5 fe ff ff 90 <0f> 0b 90 e9 b9 00 00 00 65 8b 05 55 72 b0 7e 49 c7 c0 2e e4 04 88
RSP: 0018:ffffc90000007620 EFLAGS: 00010002
RAX: 0000000000010101 RBX: 000000000002d428 RCX: ffffffff813080be
RDX: 0000000000000002 RSI: ffffffff86c7d9a0 RDI: ffffffff86e78600
RBP: ffff8881129cba00 R08: 0000000000000000 R09: fffffbfff19989a6
R10: 0000000000000001 R11: 0000000000000009 R12: ffff8881f642d428
R13: 0000000000000000 R14: 0100000000000002 R15: ffff8881129cba00
FS: 0000000000000000(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31428000 CR3: 000000011b704000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kcov_remote_start_usb include/linux/kcov.h:53 [inline]
kcov_remote_start_usb_softirq include/linux/kcov.h:66 [inline]
__usb_hcd_giveback_urb+0x331/0x5c0 drivers/usb/core/hcd.c:1647
usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1732
dummy_timer+0x17f6/0x3900 drivers/usb/gadget/udc/dummy_hcd.c:1987
__run_hrtimer kernel/time/hrtimer.c:1687 [inline]
__hrtimer_run_queues+0x20c/0xcc0 kernel/time/hrtimer.c:1751
hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1813
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__usb_hcd_giveback_urb+0x34e/0x5c0 drivers/usb/core/hcd.c:1648
Code: e8 87 b7 27 fd 4c 89 f7 e8 1f c5 27 fd e8 7a b7 27 fd 48 8d bb b0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5e 02 00 00 48 8b 83 b0 00 00 00 48 89 df ff d0
RSP: 0018:ffffc90000007b98 EFLAGS: 00000a06
RAX: dffffc0000000000 RBX: ffff88810ff07a00 RCX: ffffc90001002000
RDX: 1ffff11021fe0f56 RSI: ffffffff842b8bd6 RDI: ffff88810ff07ab0
RBP: 0000000000000004 R08: 0000000000000001 R09: fffffbfff19989a6
R10: ffffffff8ccc4d37 R11: 000000000000000a R12: 0000000000000000
R13: 00000000ffffffff R14: 0100000000000004 R15: 0000000000000000
usb_giveback_urb_bh+0x28f/0x570 drivers/usb/core/hcd.c:1682
process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231
process_scheduled_works kernel/workqueue.c:3312 [inline]
bh_worker+0x5a4/0x8a0 kernel/workqueue.c:3572
workqueue_softirq_action+0x12c/0x190 kernel/workqueue.c:3599
tasklet_action+0x14/0x70 kernel/softirq.c:810
handle_softirqs+0x209/0x8e0 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu kernel/softirq.c:637 [inline]
irq_exit_rcu+0xac/0x110 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 8b 74 24 08 48 89 fb 48 83 c7 18 e8 da 2c 9c fa 48 89 df e8 c2 a9 9c fa e8 8d 47 c5 fa fb bf 01 00 00 00 02 20 91 fa 65 8b 05 83 8c 6e 79 85 c0 74 06 5b c3 cc cc cc cc
RSP: 0018:ffffc9000327f400 EFLAGS: 00000206
RAX: 0000000000003be7 RBX: ffffffff89127320 RCX: 1ffffffff199cdf2
RDX: 0000000000000000 RSI: ffffffff86c7d6a0 RDI: 0000000000000001
RBP: ffff8881097b1070 R08: 0000000000000001 R09: fffffbfff19989a6
R10: ffffffff8ccc4d37 R11: 000000000000000a R12: ffff88810ff07a20
R13: 0000000000000000 R14: ffff888109767000 R15: ffff88810ff07a00
spin_unlock_irq include/linux/spinlock.h:401 [inline]
rh_call_control drivers/usb/core/hcd.c:712 [inline]
rh_urb_enqueue drivers/usb/core/hcd.c:821 [inline]
usb_hcd_submit_urb+0xd37/0x2090 drivers/usb/core/hcd.c:1529
usb_submit_urb+0x87c/0x1730 drivers/usb/core/urb.c:581
usb_start_wait_urb+0x103/0x4c0 drivers/usb/core/message.c:59
usb_internal_control_msg drivers/usb/core/message.c:103 [inline]
usb_control_msg+0x327/0x4b0 drivers/usb/core/message.c:154
get_port_status drivers/usb/core/hub.c:604 [inline]
hub_ext_port_status+0x14e/0x670 drivers/usb/core/hub.c:621
usb_hub_port_status drivers/usb/core/hub.c:671 [inline]
hub_port_wait_reset drivers/usb/core/hub.c:2928 [inline]
hub_port_reset+0xa62/0x1e60 drivers/usb/core/hub.c:3047
hub_port_init+0x1f9/0x3ac0 drivers/usb/core/hub.c:4893
hub_port_connect drivers/usb/core/hub.c:5450 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
port_event drivers/usb/core/hub.c:5821 [inline]
hub_event+0x2c24/0x4f50 drivers/usb/core/hub.c:5903
process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231
process_scheduled_works kernel/workqueue.c:3312 [inline]
worker_thread+0x6c8/0xf70 kernel/workqueue.c:3393
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
----------------
Code disassembly (best guess):
0: e8 87 b7 27 fd call 0xfd27b78c
5: 4c 89 f7 mov %r14,%rdi
8: e8 1f c5 27 fd call 0xfd27c52c
d: e8 7a b7 27 fd call 0xfd27b78c
12: 48 8d bb b0 00 00 00 lea 0xb0(%rbx),%rdi
19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
20: fc ff df
23: 48 89 fa mov %rdi,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 0f 85 5e 02 00 00 jne 0x292
34: 48 8b 83 b0 00 00 00 mov 0xb0(%rbx),%rax
3b: 48 89 df mov %rbx,%rdi
3e: ff d0 call *%rax