------------[ cut here ]------------
WARNING: CPU: 1 PID: 14252 at kernel/kcov.c:871 kcov_remote_start+0x274/0x6e0 kernel/kcov.c:871
Modules linked in:
CPU: 1 PID: 14252 Comm: syz.0.2875 Not tainted 6.10.0-rc7-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:kcov_remote_start+0x274/0x6e0 kernel/kcov.c:871
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 1c 16 00 00 45 85 d2 0f 84 d5 fe ff ff 90 <0f> 0b 90 e9 b9 00 00 00 65 8b 05 55 3a 75 7e 49 c7 c0 22 47 37 8d
RSP: 0018:ffffc90000597fb0 EFLAGS: 00010002
RAX: 0000000080010101 RBX: 000000000002d648 RCX: ffffffff816bcb0e
RDX: 0000000000000002 RSI: ffffffff8b2cbcc0 RDI: ffffffff8b8fb5a0
RBP: ffff8880257dc880 R08: 0000000000000000 R09: fffffbfff283e667
R10: 0000000000000001 R11: 0000000000000004 R12: ffff88802c12d648
R13: 0000000000000000 R14: 0100000000000007 R15: ffff8880257dc880
FS:  0000000000000000(0000) GS:ffff88802c100000(0063) knlGS:00000000f5d58b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002000e000 CR3: 0000000026bf6000 CR4: 0000000000350ef0
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+0x35b/0x6e0 drivers/usb/core/hcd.c:1649
 usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734
 dummy_timer+0x13f6/0x3530 drivers/usb/gadget/udc/dummy_hcd.c:1987
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x20c/0xcc0 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1815
 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+0x43/0xb0 arch/x86/kernel/apic/apic.c:1043
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x0/0x20 kernel/kcov.c:310
Code: 0c 24 89 f2 89 fe bf 05 00 00 00 e9 2a fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 0c 24 48 89 f2 48 89 fe bf 07 00 00 00 e9 f8 fd
RSP: 0018:ffffc90000598518 EFLAGS: 00000216
RAX: 000000000000027a RBX: ffff8880123721b4 RCX: ffffc9000114a000
RDX: 0000000000040000 RSI: 00000000000001de RDI: 0000000000000001
RBP: 00000000000001de R08: 0000000000000001 R09: 000000000000003d
R10: 0000000000000000 R11: 0000000000000004 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000002 R15: 000000000000006e
 cfg80211_find_elem_match net/wireless/scan.c:1364 [inline]
 cfg80211_find_elem include/net/cfg80211.h:6784 [inline]
 cfg80211_get_ies_channel_number+0x1af/0x7d0 net/wireless/scan.c:2042
 cfg80211_get_bss_channel net/wireless/scan.c:2071 [inline]
 cfg80211_inform_single_bss_data+0x16b1/0x2390 net/wireless/scan.c:2200
 cfg80211_inform_bss_data+0x254/0x3b50 net/wireless/scan.c:3117
 cfg80211_inform_bss_frame_data+0x253/0x8b0 net/wireless/scan.c:3207
 ieee80211_bss_info_update+0x311/0xab0 net/mac80211/scan.c:226
 ieee80211_scan_rx+0x47c/0xad0 net/mac80211/scan.c:340
 __ieee80211_rx_handle_packet net/mac80211/rx.c:5222 [inline]
 ieee80211_rx_list+0x1bb6/0x2ec0 net/mac80211/rx.c:5459
 ieee80211_rx_napi+0xdd/0x400 net/mac80211/rx.c:5482
 ieee80211_rx include/net/mac80211.h:5093 [inline]
 ieee80211_handle_queued_frames+0xd5/0x130 net/mac80211/main.c:438
 tasklet_action_common.constprop.0+0x24c/0x3e0 kernel/softirq.c:785
 handle_softirqs+0x216/0x8f0 kernel/softirq.c:554
 do_softirq kernel/softirq.c:455 [inline]
 do_softirq+0xb2/0xf0 kernel/softirq.c:442
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x100/0x120 kernel/softirq.c:382
 ieee80211_tx_skb_tid+0x176/0x4f0 net/mac80211/tx.c:6131
 ieee80211_mgmt_tx+0x10b7/0x2260 net/mac80211/offchannel.c:989
 rdev_mgmt_tx net/wireless/rdev-ops.h:762 [inline]
 cfg80211_mlme_mgmt_tx+0x7d4/0x1660 net/wireless/mlme.c:937
 nl80211_tx_mgmt+0x9e7/0xd40 net/wireless/nl80211.c:12655
 genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2564
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
 netlink_unicast+0x542/0x820 net/netlink/af_netlink.c:1361
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0x9b4/0xb50 net/socket.c:2585
 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2639
 __sys_sendmsg+0x117/0x1f0 net/socket.c:2668
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7440579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5d5857c EFLAGS: 00000292 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000440
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	0c 24                	or     $0x24,%al
   2:	89 f2                	mov    %esi,%edx
   4:	89 fe                	mov    %edi,%esi
   6:	bf 05 00 00 00       	mov    $0x5,%edi
   b:	e9 2a fe ff ff       	jmp    0xfffffe3a
  10:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  17:	00 00 00
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	90                   	nop
  23:	90                   	nop
  24:	90                   	nop
  25:	90                   	nop
  26:	90                   	nop
  27:	90                   	nop
  28:	90                   	nop
  29:	90                   	nop
* 2a:	f3 0f 1e fa          	endbr64 <-- trapping instruction
  2e:	48 8b 0c 24          	mov    (%rsp),%rcx
  32:	48 89 f2             	mov    %rsi,%rdx
  35:	48 89 fe             	mov    %rdi,%rsi
  38:	bf 07 00 00 00       	mov    $0x7,%edi
  3d:	e9                   	.byte 0xe9
  3e:	f8                   	clc
  3f:	fd                   	std