------------[ cut here ]------------
WARNING: CPU: 0 PID: 1096 at kernel/kcov.c:871 kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:871
Modules linked in:
CPU: 0 PID: 1096 Comm: kworker/u8:6 Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: events_unbound cfg80211_wiphy_work
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 66 cd ef 09 89 c0 48 c7 c7 c8 d4 02 00 48 03 3c c5 e0
RSP: 0018:ffffc90000006350 EFLAGS: 00010002
RAX: 0000000080010302 RBX: ffff88802256da00 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffffffff8bcaccc0 RDI: ffffffff8c1fe980
RBP: 0100000000000004 R08: ffffffff92fa75f7 R09: 1ffffffff25f4ebe
R10: dffffc0000000000 R11: fffffbfff25f4ebf R12: ffffffff8196315e
R13: ffff888063d6b900 R14: 0000000000000006 R15: ffff8880b942d4c8
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f39787e8440 CR3: 0000000029c58000 CR4: 00000000003506f0
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+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:preempt_count_sub+0x66/0x170 kernel/sched/core.c:5909
Code: c1 81 e1 ff ff ff 7f 39 d9 7c 27 81 fb fe 00 00 00 77 07 0f b6 c0 85 c0 74 5f 65 8b 05 bb 36 9e 7e f7 db 65 01 1d b2 36 9e 7e <5b> 41 5e c3 cc cc cc cc 90 e8 dc ce 45 03 85 c0 74 3a 48 c7 c0 70
RSP: 0018:ffffc90000006af0 EFLAGS: 00000293
RAX: 0000000080000303 RBX: 00000000ffffffff RCX: 0000000000000303
RDX: ffffc900020d1000 RSI: 0000000000000572 RDI: 0000000000000001
RBP: ffffc90000006be0 R08: ffffffff81410de5 R09: ffffffff8141095f
R10: 0000000000000003 R11: ffff88802256da00 R12: ffffc900047f7f30
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffffc900047f7f38
unwind_next_frame+0x1e65/0x2a00 arch/x86/kernel/unwind_orc.c:672
arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
__kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387
kasan_kmalloc include/linux/kasan.h:211 [inline]
__do_kmalloc_node mm/slub.c:4123 [inline]
__kmalloc_noprof+0x1f9/0x400 mm/slub.c:4136
kmalloc_noprof include/linux/slab.h:664 [inline]
kzalloc_noprof include/linux/slab.h:778 [inline]
__cfg80211_bss_update+0x1a1/0x20c0 net/wireless/scan.c:1919
cfg80211_inform_single_bss_data+0xfd6/0x2360 net/wireless/scan.c:2289
cfg80211_inform_bss_data+0x3dd/0x5a70 net/wireless/scan.c:3117
cfg80211_inform_bss_frame_data+0x3bc/0x720 net/wireless/scan.c:3207
ieee80211_bss_info_update+0x8a7/0xbc0 net/mac80211/scan.c:226
ieee80211_scan_rx+0x526/0x9c0 net/mac80211/scan.c:340
__ieee80211_rx_handle_packet net/mac80211/rx.c:5222 [inline]
ieee80211_rx_list+0x2b00/0x3780 net/mac80211/rx.c:5459
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
__local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382
ieee80211_tx_skb_tid_band net/mac80211/ieee80211_i.h:2268 [inline]
ieee80211_handle_roc_started+0x267/0x440 net/mac80211/offchannel.c:248
_ieee80211_start_next_roc+0x7a1/0xb00 net/mac80211/offchannel.c:381
cfg80211_wiphy_work+0x221/0x260 net/wireless/core.c:437
process_one_work kernel/workqueue.c:3248 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329
worker_thread+0x86d/0xd50 kernel/workqueue.c:3409
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: c1 81 e1 ff ff ff 7f roll $0x7f,-0x1f(%rcx)
7: 39 d9 cmp %ebx,%ecx
9: 7c 27 jl 0x32
b: 81 fb fe 00 00 00 cmp $0xfe,%ebx
11: 77 07 ja 0x1a
13: 0f b6 c0 movzbl %al,%eax
16: 85 c0 test %eax,%eax
18: 74 5f je 0x79
1a: 65 8b 05 bb 36 9e 7e mov %gs:0x7e9e36bb(%rip),%eax # 0x7e9e36dc
21: f7 db neg %ebx
23: 65 01 1d b2 36 9e 7e add %ebx,%gs:0x7e9e36b2(%rip) # 0x7e9e36dc
* 2a: 5b pop %rbx <-- trapping instruction
2b: 41 5e pop %r14
2d: c3 ret
2e: cc int3
2f: cc int3
30: cc int3
31: cc int3
32: 90 nop
33: e8 dc ce 45 03 call 0x345cf14
38: 85 c0 test %eax,%eax
3a: 74 3a je 0x76
3c: 48 rex.W
3d: c7 .byte 0xc7
3e: c0 .byte 0xc0
3f: 70 .byte 0x70