------------[ cut here ]------------
WARNING: CPU: 1 PID: 7665 at kernel/kcov.c:871 kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:871
Modules linked in:
CPU: 1 PID: 7665 Comm: syz.3.763 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:ffffc90000a17f50 EFLAGS: 00010002
RAX: 0000000000010103 RBX: ffff8880296c8000 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffffffff8bcaccc0 RDI: ffffffff8c1f15c0
RBP: 0100000000000005 R08: ffffffff92f715ef R09: 1ffffffff25ee2bd
R10: dffffc0000000000 R11: fffffbfff25ee2be R12: ffffffff8196306e
R13: ffff8880220fd500 R14: 0000000000000006 R15: ffff8880b952d4c8
FS: 00007f130adff6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200035c4 CR3: 000000005de4a000 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:htab_unlock_bucket kernel/bpf/hashtab.c:181 [inline]
RIP: 0010:htab_lru_map_delete_elem+0x5c8/0x700 kernel/bpf/hashtab.c:1473
Code: 31 c0 48 89 44 24 18 e9 92 fd ff ff e8 b1 d1 e0 ff e8 9c e1 c7 09 4d 85 ed 0f 84 c7 fe ff ff e8 9e d1 e0 ff fb 4c 8b 74 24 30 01 00 00 00 e8 8e 47 b0 ff 65 8b 1d 4f 7f 4e 7e 31 ff 89 de e8
RSP: 0018:ffffc90000a186e0 EFLAGS: 00000287
RAX: ffffffff81b55522 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90002302000 RSI: 000000000000035b RDI: 000000000000035c
RBP: ffffc90000a187f0 R08: ffffffff81b553cd R09: 1ffffffff1f583a5
R10: dffffc0000000000 R11: fffffbfff1f583a6 R12: ffff88802122e450
R13: 0000000000000200 R14: ffff88802122e000 R15: 0000000000000000
bpf_prog_330576d32f01b34b+0x63/0x67
bpf_dispatcher_nop_func include/linux/bpf.h:1243 [inline]
__bpf_prog_run include/linux/filter.h:691 [inline]
bpf_prog_run include/linux/filter.h:698 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2403 [inline]
bpf_trace_run3+0x33a/0x5a0 kernel/trace/bpf_trace.c:2445
trace_kmem_cache_free include/trace/events/kmem.h:114 [inline]
kmem_cache_free+0x2a9/0x350 mm/slub.c:4512
skb_kfree_head net/core/skbuff.c:1067 [inline]
skb_free_head net/core/skbuff.c:1081 [inline]
skb_release_data+0x64d/0x880 net/core/skbuff.c:1108
skb_release_all net/core/skbuff.c:1173 [inline]
__kfree_skb net/core/skbuff.c:1187 [inline]
consume_skb+0xb1/0x160 net/core/skbuff.c:1409
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+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
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+0x33a/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: 0033:0x7f130b375bd9
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:00007f130adff048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f130b504038 RCX: 00007f130b375bd9
RDX: 0000000000000050 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 00007f130b3e4e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f130b504038 R15: 00007ffe90c10e38
----------------
Code disassembly (best guess):
0: 31 c0 xor %eax,%eax
2: 48 89 44 24 18 mov %rax,0x18(%rsp)
7: e9 92 fd ff ff jmp 0xfffffd9e
c: e8 b1 d1 e0 ff call 0xffe0d1c2
11: e8 9c e1 c7 09 call 0x9c7e1b2
16: 4d 85 ed test %r13,%r13
19: 0f 84 c7 fe ff ff je 0xfffffee6
1f: e8 9e d1 e0 ff call 0xffe0d1c2
24: fb sti
25: 4c 8b 74 24 30 mov 0x30(%rsp),%r14
* 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction
2f: e8 8e 47 b0 ff call 0xffb047c2
34: 65 8b 1d 4f 7f 4e 7e mov %gs:0x7e4e7f4f(%rip),%ebx # 0x7e4e7f8a
3b: 31 ff xor %edi,%edi
3d: 89 de mov %ebx,%esi
3f: e8 .byte 0xe8