------------[ cut here ]------------
WARNING: CPU: 0 PID: 16 at kernel/kcov.c:870 kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:870
Modules linked in:
CPU: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.10.0-rc2-syzkaller-00022-g32f88d65f01b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:870
Code: 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 0f 85 a6 01 00 00 41 f7 c6 00 02 00 00 0f 84 93 fa ff ff fb e9 8d fa ff ff 90 <0f> 0b 90 e8 c6 3f f0 09 89 c0 48 c7 c7 c8 d4 02 00 48 03 3c c5 e0
RSP: 0018:ffffc900000079c0 EFLAGS: 00010002
RAX: 0000000080010100 RBX: ffff8880172cda00 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffffffff8bcacc00 RDI: ffffffff8c1ff240
RBP: 0100000000000002 R08: ffffffff92fa85f7 R09: 1ffffffff25f50be
R10: dffffc0000000000 R11: fffffbfff25f50bf R12: ffffffff8196202e
R13: 00000000ffffffb9 R14: 0000000000000006 R15: ffff8880b942d4c8
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1800d2c440 CR3: 0000000074550000 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+0x34a/0x530 drivers/usb/core/hcd.c:1647
dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987
__run_hrtimer kernel/time/hrtimer.c:1687 [inline]
__hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1751
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:queue_work_on+0x269/0x380 kernel/workqueue.c:2415
Code: 75 19 e8 ca 90 36 00 eb 18 e8 c3 90 36 00 e8 fe c1 26 0a 48 83 7c 24 10 00 74 e7 e8 b1 90 36 00 fb 48 c7 44 24 20 0e 36 e0 45 <4b> c7 04 37 00 00 00 00 43 c7 44 37 09 00 00 00 00 66 43 c7 44 37
RSP: 0018:ffffc90000157700 EFLAGS: 00000283
RAX: ffffffff815f85cf RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90002131000 RSI: 00000000000001cf RDI: 00000000000001d0
RBP: ffffc900001577e8 R08: ffffffff815f859f R09: 1ffffffff25f50be
R10: dffffc0000000000 R11: fffffbfff25f50bf R12: 0000000000800001
R13: 0000000000000046 R14: 1ffff9200002aee4 R15: dffffc0000000000
queue_work include/linux/workqueue.h:621 [inline]
kick_hub_wq+0x119/0x250 drivers/usb/core/hub.c:724
hub_irq+0x321/0x460 drivers/usb/core/hub.c:804
__usb_hcd_giveback_urb+0x373/0x530 drivers/usb/core/hcd.c:1648
usb_giveback_urb_bh+0x306/0x4e0 drivers/usb/core/hcd.c:1682
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
bh_worker+0x2a5/0x620 kernel/workqueue.c:3572
tasklet_hi_action+0xf/0x90 kernel/softirq.c:816
handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
run_ksoftirqd+0xca/0x130 kernel/softirq.c:928
smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/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: 75 19 jne 0x1b
2: e8 ca 90 36 00 call 0x3690d1
7: eb 18 jmp 0x21
9: e8 c3 90 36 00 call 0x3690d1
e: e8 fe c1 26 0a call 0xa26c211
13: 48 83 7c 24 10 00 cmpq $0x0,0x10(%rsp)
19: 74 e7 je 0x2
1b: e8 b1 90 36 00 call 0x3690d1
20: fb sti
21: 48 c7 44 24 20 0e 36 movq $0x45e0360e,0x20(%rsp)
28: e0 45
* 2a: 4b c7 04 37 00 00 00 movq $0x0,(%r15,%r14,1) <-- trapping instruction
31: 00
32: 43 c7 44 37 09 00 00 movl $0x0,0x9(%r15,%r14,1)
39: 00 00
3b: 66 data16
3c: 43 rex.XB
3d: c7 .byte 0xc7
3e: 44 37 rex.R (bad)