------------[ cut here ]------------
WARNING: CPU: 0 PID: 8301 at kernel/kcov.c:871 kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:871
Modules linked in:
CPU: 0 PID: 8301 Comm: syz.1.854 Not tainted 6.10.0-rc7-syzkaller-00012-g34afb82a3c67 #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:ffffc90000006250 EFLAGS: 00010002
RAX: 0000000080010303 RBX: ffff88802a32da00 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffffffff8bcaccc0 RDI: ffffffff8c1f15c0
RBP: 0100000000000005 R08: ffffffff92f715ef R09: 1ffffffff25ee2bd
R10: dffffc0000000000 R11: fffffbfff25ee2be R12: ffffffff8196306e
R13: ffff88802c1ac800 R14: 0000000000000006 R15: ffff8880b942d4c8
FS: 00007f45325ff6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c40abd8 CR3: 0000000079ee6000 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:deref_stack_reg arch/x86/kernel/unwind_orc.c:406 [inline]
RIP: 0010:unwind_next_frame+0x1363/0x2a00 arch/x86/kernel/unwind_orc.c:585
Code: f0 0f 86 05 08 00 00 48 39 e8 0f 87 fc 07 00 00 e8 82 23 55 00 4c 89 e7 e8 3a 24 00 00 48 89 c3 48 8b 44 24 30 42 80 3c 28 00 <48> 8b 6c 24 20 4c 8b 74 24 48 74 08 48 89 ef e8 f9 8f b7 00 48 89
RSP: 0018:ffffc900000069e8 EFLAGS: 00000246
RAX: 1ffff92000000d61 RBX: ffffffff81f88a4c RCX: 0000000000040000
RDX: ffffc90002181000 RSI: 000000000000081c RDI: 000000000000081d
RBP: 1ffff92000000d5a R08: ffffffff8141008d R09: ffffffff8140ffe6
R10: 0000000000000003 R11: ffff88802a32da00 R12: ffffc90000006e70
R13: dffffc0000000000 R14: 1ffff92000000d59 R15: 1ffff92000000d58
arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack+0x3f/0x60 mm/kasan/common.c:47
__kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:541
kvfree_call_rcu+0xfc/0x790 kernel/rcu/tree.c:3781
cfg80211_update_known_bss+0xb39/0x1500 net/wireless/scan.c:1862
__cfg80211_bss_update+0x150/0x20c0 net/wireless/scan.c:1908
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+0x264/0x420 net/mac80211/tx.c:6131
ieee80211_mgmt_tx+0x1b46/0x2170 net/mac80211/offchannel.c:989
rdev_mgmt_tx net/wireless/rdev-ops.h:762 [inline]
cfg80211_mlme_mgmt_tx+0x950/0x16a0 net/wireless/mlme.c:937
nl80211_tx_mgmt+0xb0d/0x1190 net/wireless/nl80211.c:12655
genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210
netlink_rcv_skb+0x1e3/0x430 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+0x7ea/0x980 net/netlink/af_netlink.c:1361
netlink_sendmsg+0x8db/0xcb0 net/netlink/af_netlink.c:1905
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2585
___sys_sendmsg net/socket.c:2639 [inline]
__sys_sendmsg+0x2b0/0x3a0 net/socket.c:2668
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: 0033:0x7f4532b75bd9
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:00007f45325ff048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f4532d03f60 RCX: 00007f4532b75bd9
RDX: 0000000000000000 RSI: 0000000020000440 RDI: 0000000000000008
RBP: 00007f4532be4e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f4532d03f60 R15: 00007ffed38b1678
----------------
Code disassembly (best guess):
0: f0 0f 86 05 08 00 00 lock jbe 0x80c
7: 48 39 e8 cmp %rbp,%rax
a: 0f 87 fc 07 00 00 ja 0x80c
10: e8 82 23 55 00 call 0x552397
15: 4c 89 e7 mov %r12,%rdi
18: e8 3a 24 00 00 call 0x2457
1d: 48 89 c3 mov %rax,%rbx
20: 48 8b 44 24 30 mov 0x30(%rsp),%rax
25: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
* 2a: 48 8b 6c 24 20 mov 0x20(%rsp),%rbp <-- trapping instruction
2f: 4c 8b 74 24 48 mov 0x48(%rsp),%r14
34: 74 08 je 0x3e
36: 48 89 ef mov %rbp,%rdi
39: e8 f9 8f b7 00 call 0xb79037
3e: 48 rex.W
3f: 89 .byte 0x89