------------[ cut here ]------------
WARNING: CPU: 1 PID: 10230 at kernel/kcov.c:871 kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:871
Modules linked in:
CPU: 1 PID: 10230 Comm: syz.4.1360 Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:871
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 56 1e e7 09 89 c0 48 c7 c7 c8 d4 02 00 48 03 3c c5 e0
RSP: 0018:ffffc90000a18250 EFLAGS: 00010002
RAX: 0000000000010101 RBX: ffff88802d490000 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffffffff8bcaccc0 RDI: ffffffff8c1f15c0
RBP: 0100000000000002 R08: ffffffff92f715f7 R09: 1ffffffff25ee2be
R10: dffffc0000000000 R11: fffffbfff25ee2bf R12: ffffffff8196306e
R13: ffff88801a2a4200 R14: 0000000000000006 R15: ffff8880b952d4c8
FS:  00007fa84150c6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005642e317d120 CR3: 000000006d0a4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 kcov_remote_start_usb include/linux/kcov.h:55 [inline]
 kcov_remote_start_usb_softirq include/linux/kcov.h:89 [inline]
 __usb_hcd_giveback_urb+0x405/0x6e0 drivers/usb/core/hcd.c:1649
 dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
 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+0x52/0xc0 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+0x2e/0x7e0 kernel/kcov.c:925
Code: 55 41 57 41 56 41 55 41 54 53 48 83 ec 18 65 48 8b 1c 25 80 d4 03 00 48 b8 00 00 00 00 ff ff ff 00 48 85 c7 74 17 90 0f 0b 90 <48> 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 48 89 fd
RSP: 0018:ffffc90000a189f0 EFLAGS: 00000206
RAX: 15cbd1c4f05ce900 RBX: ffff88802d490000 RCX: ffffffff8172d97a
RDX: dffffc0000000000 RSI: ffffffff8bcabb40 RDI: ffffffff8c1f15c0
RBP: ffff8880b952d4c8 R08: ffffffff92f7163f R09: 1ffffffff25ee2c7
R10: dffffc0000000000 R11: fffffbfff25ee2c8 R12: 0000000000040000
R13: ffff88805991c780 R14: 0000000000000206 R15: ffff88801cbccf00
 kcov_remote_start_common include/linux/kcov.h:50 [inline]
 ieee80211_rx_list+0x797/0x3780 net/mac80211/rx.c:5441
 ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5482
 ieee80211_rx include/net/mac80211.h:5093 [inline]
 ieee80211_handle_queued_frames+0xe7/0x1e0 net/mac80211/main.c:438
 tasklet_action_common+0x321/0x4d0 kernel/softirq.c:785
 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
 do_softirq+0x11b/0x1e0 kernel/softirq.c:455
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:851 [inline]
 __dev_queue_xmit+0x16c9/0x3d30 net/core/dev.c:4420
 dev_queue_xmit include/linux/netdevice.h:3095 [inline]
 neigh_hh_output include/net/neighbour.h:526 [inline]
 neigh_output include/net/neighbour.h:540 [inline]
 ip_finish_output2+0xd41/0x1380 net/ipv4/ip_output.c:235
 ip_local_out net/ipv4/ip_output.c:129 [inline]
 __ip_queue_xmit+0x118c/0x1b70 net/ipv4/ip_output.c:535
 l2tp_ip_sendmsg+0x63b/0x1670 net/l2tp/l2tp_ip.c:500
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x1a6/0x270 net/socket.c:745
 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2585
 ___sys_sendmsg net/socket.c:2639 [inline]
 __sys_sendmmsg+0x3b2/0x740 net/socket.c:2725
 __do_sys_sendmmsg net/socket.c:2754 [inline]
 __se_sys_sendmmsg net/socket.c:2751 [inline]
 __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2751
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa840775bd9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa84150c048 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007fa840903f60 RCX: 00007fa840775bd9
RDX: 0000000000000004 RSI: 0000000020001700 RDI: 0000000000000007
RBP: 00007fa8407e4e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000004040844 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fa840903f60 R15: 00007ffe205e5978
 </TASK>
----------------
Code disassembly (best guess):
   0:	55                   	push   %rbp
   1:	41 57                	push   %r15
   3:	41 56                	push   %r14
   5:	41 55                	push   %r13
   7:	41 54                	push   %r12
   9:	53                   	push   %rbx
   a:	48 83 ec 18          	sub    $0x18,%rsp
   e:	65 48 8b 1c 25 80 d4 	mov    %gs:0x3d480,%rbx
  15:	03 00
  17:	48 b8 00 00 00 00 ff 	movabs $0xffffff00000000,%rax
  1e:	ff ff 00
  21:	48 85 c7             	test   %rax,%rdi
  24:	74 17                	je     0x3d
  26:	90                   	nop
  27:	0f 0b                	ud2
  29:	90                   	nop
* 2a:	48 83 c4 18          	add    $0x18,%rsp <-- trapping instruction
  2e:	5b                   	pop    %rbx
  2f:	41 5c                	pop    %r12
  31:	41 5d                	pop    %r13
  33:	41 5e                	pop    %r14
  35:	41 5f                	pop    %r15
  37:	5d                   	pop    %rbp
  38:	c3                   	ret
  39:	cc                   	int3
  3a:	cc                   	int3
  3b:	cc                   	int3
  3c:	cc                   	int3
  3d:	48 89 fd             	mov    %rdi,%rbp