------------[ cut here ]------------
WARNING: CPU: 0 PID: 8854 at kernel/kcov.c:871 kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:871
Modules linked in:
CPU: 0 PID: 8854 Comm: syz.2.952 Not tainted 6.10.0-rc7-syzkaller #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 66 cd ef 09 89 c0 48 c7 c7 c8 d4 02 00 48 03 3c c5 e0
RSP: 0018:ffffc90000006cf0 EFLAGS: 00010002
RAX: 0000000000010102 RBX: ffff888015bc1e00 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffffffff8bcacca0 RDI: ffffffff8c1fe940
RBP: 0100000000000002 R08: ffffffff92fa75ef R09: 1ffffffff25f4ebd
R10: dffffc0000000000 R11: fffffbfff25f4ebe R12: ffffffff8196315e
R13: ffff888018b0f200 R14: 0000000000000006 R15: ffff8880b942d4c8
FS:  00007fe5d059c6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f01890356b8 CR3: 0000000060c74000 CR4: 0000000000350ef0
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+0x59d/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+0x112/0x3f0 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:check_kcov_mode kernel/kcov.c:175 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:236 [inline]
RIP: 0010:__sanitizer_cov_trace_cmp8+0x2f/0x90 kernel/kcov.c:284
Code: 8b 04 24 65 48 8b 0c 25 c0 d4 03 00 65 8b 05 a0 aa 6d 7e a9 00 01 ff 00 74 10 a9 00 01 00 00 74 57 83 b9 1c 16 00 00 00 74 4e <8b> 81 f8 15 00 00 83 f8 03 75 43 48 8b 91 00 16 00 00 44 8b 89 fc
RSP: 0018:ffffc90000007498 EFLAGS: 00000202
RAX: 0000000000000102 RBX: ffffffff81000000 RCX: ffff888015bc1e00
RDX: ffffc90000007615 RSI: ffffffff81000000 RDI: ffffffff81376ee2
RBP: ffffffff81376ee2 R08: ffffffff8140f1c9 R09: ffffffff8141095f
R10: 0000000000000003 R11: ffff888015bc1e00 R12: ffffc900000075e0
R13: ffffc90000007630 R14: dffffc0000000000 R15: ffffffff81376ee3
 orc_find arch/x86/kernel/unwind_orc.c:206 [inline]
 unwind_next_frame+0x1d9/0x2a00 arch/x86/kernel/unwind_orc.c:494
 __unwind_start+0x641/0x7c0 arch/x86/kernel/unwind_orc.c:760
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0x103/0x1b0 arch/x86/kernel/stacktrace.c:24
 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
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240
 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2196 [inline]
 slab_free mm/slub.c:4438 [inline]
 kmem_cache_free+0x145/0x350 mm/slub.c:4513
 ieee80211_rx_list+0x2d18/0x3780
 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+0x323/0x4d0 kernel/softirq.c:785
 handle_softirqs+0x2c6/0x970 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]
 bpf_test_run+0x433/0x910 net/bpf/test_run.c:426
 bpf_prog_test_run_skb+0xafa/0x13a0 net/bpf/test_run.c:1072
 bpf_prog_test_run+0x33c/0x3b0 kernel/bpf/syscall.c:4292
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5706
 __do_sys_bpf kernel/bpf/syscall.c:5795 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5793 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5793
 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: 0033:0x7fe5d0b75bd9
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:00007fe5d059c048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fe5d0d041e8 RCX: 00007fe5d0b75bd9
RDX: 0000000000000050 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 00007fe5d0be4e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe5d0d041e8 R15: 00007ffd9a4a6e08
 </TASK>
----------------
Code disassembly (best guess):
   0:	8b 04 24             	mov    (%rsp),%eax
   3:	65 48 8b 0c 25 c0 d4 	mov    %gs:0x3d4c0,%rcx
   a:	03 00
   c:	65 8b 05 a0 aa 6d 7e 	mov    %gs:0x7e6daaa0(%rip),%eax        # 0x7e6daab3
  13:	a9 00 01 ff 00       	test   $0xff0100,%eax
  18:	74 10                	je     0x2a
  1a:	a9 00 01 00 00       	test   $0x100,%eax
  1f:	74 57                	je     0x78
  21:	83 b9 1c 16 00 00 00 	cmpl   $0x0,0x161c(%rcx)
  28:	74 4e                	je     0x78
* 2a:	8b 81 f8 15 00 00    	mov    0x15f8(%rcx),%eax <-- trapping instruction
  30:	83 f8 03             	cmp    $0x3,%eax
  33:	75 43                	jne    0x78
  35:	48 8b 91 00 16 00 00 	mov    0x1600(%rcx),%rdx
  3c:	44                   	rex.R
  3d:	8b                   	.byte 0x8b
  3e:	89 fc                	mov    %edi,%esp