------------[ cut here ]------------
WARNING: CPU: 2 PID: 1089 at kernel/kcov.c:871 kcov_remote_start+0x274/0x6e0 kernel/kcov.c:871
Modules linked in:
CPU: 2 PID: 1089 Comm: kworker/u32:5 Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: events_unbound cfg80211_wiphy_work
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 e4 75 7e 49 c7 c0 d2 d4 3a 8d
RSP: 0018:ffffc90000857a70 EFLAGS: 00010002
RAX: 0000000080010303 RBX: 000000000002d648 RCX: ffffffff816ae7ce
RDX: 0000000000000002 RSI: ffffffff8b2cb200 RDI: ffffffff8b8ff640
RBP: ffff888023774880 R08: 0000000000000000 R09: fffffbfff284ca67
R10: 0000000000000001 R11: 0000000000000006 R12: ffff88806b22d648
R13: 0000000000000000 R14: 0100000000000007 R15: ffff888023774880
FS: 0000000000000000(0000) GS:ffff88806b200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b303f3ff8 CR3: 000000002bd82000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
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+0x17f6/0x3900 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:preempt_count arch/x86/include/asm/preempt.h:26 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:write_comp_data+0x11/0x90 kernel/kcov.c:236
Code: cc cc 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 49 89 d2 49 89 f8 49 89 f1 65 48 8b 15 1f fb 75 7e <65> 8b 05 20 fb 75 7e a9 00 01 ff 00 74 0f f6 c4 01 74 59 8b 82 1c
RSP: 0018:ffffc90000857fe0 EFLAGS: 00000202
RAX: 0000000000000008 RBX: 0000000000000001 RCX: ffffffff813ce5be
RDX: ffff888023774880 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffffff8b29cae0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000006 R12: 0000000000000001
R13: 0000000000000001 R14: 0000000000000003 R15: 0000000000000001
__sanitizer_cov_trace_switch+0x54/0x90 kernel/kcov.c:341
unwind_next_frame+0xebe/0x23a0 arch/x86/kernel/unwind_orc.c:641
arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
__kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:387
kasan_kmalloc include/linux/kasan.h:211 [inline]
__do_kmalloc_node mm/slub.c:4123 [inline]
__kmalloc_noprof+0x1ec/0x410 mm/slub.c:4136
kmalloc_noprof include/linux/slab.h:664 [inline]
kzalloc_noprof include/linux/slab.h:778 [inline]
__cfg80211_bss_update+0x39f/0x24c0 net/wireless/scan.c:1919
cfg80211_inform_single_bss_data+0x743/0x2080 net/wireless/scan.c:2289
cfg80211_inform_bss_data+0x205/0x39d0 net/wireless/scan.c:3117
cfg80211_inform_bss_frame_data+0x271/0x7c0 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+0x1be1/0x2e90 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
__local_bh_enable_ip+0x100/0x120 kernel/softirq.c:382
ieee80211_tx_skb_tid_band net/mac80211/ieee80211_i.h:2268 [inline]
ieee80211_handle_roc_started+0x1e5/0x540 net/mac80211/offchannel.c:248
_ieee80211_start_next_roc+0x671/0xc50 net/mac80211/offchannel.c:381
__ieee80211_roc_work+0x18b/0x3f0 net/mac80211/offchannel.c:433
cfg80211_wiphy_work+0x255/0x330 net/wireless/core.c:437
process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3248
process_scheduled_works kernel/workqueue.c:3329 [inline]
worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
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: cc int3
1: cc int3
2: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
9: 90 nop
a: 90 nop
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
16: 90 nop
17: 90 nop
18: 90 nop
19: 49 89 d2 mov %rdx,%r10
1c: 49 89 f8 mov %rdi,%r8
1f: 49 89 f1 mov %rsi,%r9
22: 65 48 8b 15 1f fb 75 mov %gs:0x7e75fb1f(%rip),%rdx # 0x7e75fb49
29: 7e
* 2a: 65 8b 05 20 fb 75 7e mov %gs:0x7e75fb20(%rip),%eax # 0x7e75fb51 <-- trapping instruction
31: a9 00 01 ff 00 test $0xff0100,%eax
36: 74 0f je 0x47
38: f6 c4 01 test $0x1,%ah
3b: 74 59 je 0x96
3d: 8b .byte 0x8b
3e: 82 .byte 0x82
3f: 1c .byte 0x1c