------------[ cut here ]------------
WARNING: CPU: 0 PID: 15 at kernel/kcov.c:870 kcov_remote_start+0x274/0x6e0 kernel/kcov.c:870
Modules linked in:
CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.10.0-rc2-syzkaller-00024-g5821bf2dffbe #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
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:ffffc90000007b48 EFLAGS: 00010002
RAX: 0000000080010100 RBX: 000000000002d428 RCX: ffffffff813080be
RDX: 0000000000000002 RSI: ffffffff86c7d9a0 RDI: ffffffff86e78600
RBP: ffff8881016a3a00 R08: 0000000000000000 R09: fffffbfff19989a6
R10: 0000000000000001 R11: 0000000000000002 R12: ffff8881f642d428
R13: 0000000000000000 R14: 0100000000000005 R15: ffff8881016a3a00
FS: 0000000000000000(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011ceb0000 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+0x8b/0xb0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:kcov_remote_start+0x3e1/0x6e0 kernel/kcov.c:924
Code: 89 e8 c3 71 0d 01 e9 4b ff ff ff e8 39 2a 07 00 e9 a9 fc ff ff e8 ff 2b 07 00 9c 58 f6 c4 02 0f 85 50 02 00 00 fb 48 83 c4 18 <5b> 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc be 02 00 00 00 4c 89
RSP: 0018:ffffc900000ffa08 EFLAGS: 00000282
RAX: 0000000000000006 RBX: ffff8881f642d428 RCX: 1ffffffff199ccdf
RDX: 0000000000000000 RSI: ffffffff86c7d6a0 RDI: ffffffff86e78600
RBP: ffff8881016a3a00 R08: 0000000000000001 R09: fffffbfff19989a6
R10: ffffffff8ccc4d37 R11: 0000000000000003 R12: ffff888113b9a200
R13: 0000000000000200 R14: 0000000000040000 R15: ffffc90001002000
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_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_hi_action+0x17/0x70 kernel/softirq.c:816
handle_softirqs+0x209/0x8e0 kernel/softirq.c:554
run_ksoftirqd kernel/softirq.c:928 [inline]
run_ksoftirqd+0x3a/0x60 kernel/softirq.c:920
smpboot_thread_fn+0x661/0xa10 kernel/smpboot.c:164
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), 1 bytes skipped:
0: e8 c3 71 0d 01 call 0x10d71c8
5: e9 4b ff ff ff jmp 0xffffff55
a: e8 39 2a 07 00 call 0x72a48
f: e9 a9 fc ff ff jmp 0xfffffcbd
14: e8 ff 2b 07 00 call 0x72c18
19: 9c pushf
1a: 58 pop %rax
1b: f6 c4 02 test $0x2,%ah
1e: 0f 85 50 02 00 00 jne 0x274
24: fb sti
25: 48 83 c4 18 add $0x18,%rsp
* 29: 5b pop %rbx <-- trapping instruction
2a: 5d pop %rbp
2b: 41 5c pop %r12
2d: 41 5d pop %r13
2f: 41 5e pop %r14
31: 41 5f pop %r15
33: c3 ret
34: cc int3
35: cc int3
36: cc int3
37: cc int3
38: be 02 00 00 00 mov $0x2,%esi
3d: 4c rex.WR
3e: 89 .byte 0x89