------------[ cut here ]------------
WARNING: CPU: 0 PID: 12043 at kernel/kcov.c:871 kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:871
Modules linked in:
CPU: 0 PID: 12043 Comm: syz.0.1876 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:ffffc90000007030 EFLAGS: 00010002
RAX: 0000000080010101 RBX: ffff888020d89e00 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffffffff8bcaccc0 RDI: ffffffff8c1f15c0
RBP: 0100000000000004 R08: ffffffff92f715f7 R09: 1ffffffff25ee2be
R10: dffffc0000000000 R11: fffffbfff25ee2bf R12: ffffffff8196306e
R13: ffff888020e01900 R14: 0000000000000006 R15: ffff8880b942d4c8
FS: 00007f6a90b796c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020085000 CR3: 000000007c776000 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:ieee80211_get_bssid+0xea/0x1f0 net/mac80211/util.c:79
Code: fc 00 00 00 bf 1c 00 00 00 89 ee e8 00 6f 9c f6 66 83 fd 1c 75 11 e8 55 6b 9c f6 eb 52 e8 4e 6b 9c f6 45 31 f6 eb 4c 48 89 df <48> c7 c6 20 39 85 8f e8 ba 70 9c f6 66 85 db 74 48 0f b7 c3 83 f8
RSP: 0018:ffffc900000077d0 EFLAGS: 00000297
RAX: 0000000000000002 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: ffff888020d89e00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8af9bb60 R09: 1ffffffff1f583a5
R10: dffffc0000000000 R11: fffffbfff1f583a6 R12: 000000000000003e
R13: dffffc0000000000 R14: ffff88807707b340 R15: 0000000000000001
ieee80211_accept_frame net/mac80211/rx.c:4432 [inline]
ieee80211_prepare_and_rx_handle+0x624/0x6360 net/mac80211/rx.c:5038
__ieee80211_rx_handle_packet net/mac80211/rx.c:5324 [inline]
ieee80211_rx_list+0x2cde/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: 0033:0x7f6a8fd75bd9
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:00007f6a90b79048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f6a8ff03f60 RCX: 00007f6a8fd75bd9
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000007
RBP: 00007f6a8fde4e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f6a8ff03f60 R15: 00007fff5b091568
----------------
Code disassembly (best guess):
0: fc cld
1: 00 00 add %al,(%rax)
3: 00 bf 1c 00 00 00 add %bh,0x1c(%rdi)
9: 89 ee mov %ebp,%esi
b: e8 00 6f 9c f6 call 0xf69c6f10
10: 66 83 fd 1c cmp $0x1c,%bp
14: 75 11 jne 0x27
16: e8 55 6b 9c f6 call 0xf69c6b70
1b: eb 52 jmp 0x6f
1d: e8 4e 6b 9c f6 call 0xf69c6b70
22: 45 31 f6 xor %r14d,%r14d
25: eb 4c jmp 0x73
27: 48 89 df mov %rbx,%rdi
* 2a: 48 c7 c6 20 39 85 8f mov $0xffffffff8f853920,%rsi <-- trapping instruction
31: e8 ba 70 9c f6 call 0xf69c70f0
36: 66 85 db test %bx,%bx
39: 74 48 je 0x83
3b: 0f b7 c3 movzwl %bx,%eax
3e: 83 .byte 0x83
3f: f8 clc