------------[ cut here ]------------
WARNING: CPU: 1 PID: 11064 at kernel/kcov.c:871 kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:871
Modules linked in:
CPU: 1 PID: 11064 Comm: syz.1.1200 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:ffffc90000a177f0 EFLAGS: 00010002
RAX: 0000000080010302 RBX: ffff888029a99e00 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffffffff8bcacca0 RDI: ffffffff8c1fe940
RBP: 0100000000000005 R08: ffffffff92fa75f7 R09: 1ffffffff25f4ebe
R10: dffffc0000000000 R11: fffffbfff25f4ebf R12: ffffffff8196315e
R13: ffff888021ee9b00 R14: 0000000000000006 R15: ffff8880b952d4c8
FS: 00007ff57f0f26c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c43626c CR3: 0000000029570000 CR4: 0000000000350ef0
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+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:cmp_bss+0x59/0xea0 net/wireless/scan.c:1416
Code: 3c 28 00 74 08 4c 89 e7 e8 94 40 26 f7 49 8b 2c 24 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 7a 40 26 f7 49 8b 1f <48> 39 dd 0f 84 99 00 00 00 e8 49 8b c0 f6 48 8d 7b 04 48 89 f8 48
RSP: 0018:ffffc90000a17f88 EFLAGS: 00000246
RAX: 1ffff11005881f8d RBX: ffff88806c533318 RCX: 0000000000040000
RDX: ffffc90002321000 RSI: 00000000000004d8 RDI: 00000000000004d9
RBP: ffff88806c533318 R08: ffffffff8ad4cdc2 R09: fffff52000143014
R10: dffffc0000000000 R11: fffff52000143014 R12: ffffc90000a18228
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802c40fc68
rb_find_bss net/wireless/scan.c:1647 [inline]
__cfg80211_bss_update+0xda/0x20c0 net/wireless/scan.c:1905
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+0x323/0x4d0 kernel/softirq.c:785
handle_softirqs+0x2c6/0x970 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+0x952/0x16a0 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+0xb16/0xec0 net/netlink/genetlink.c:1210
netlink_rcv_skb+0x1e5/0x430 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+0x7ec/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+0x223/0x270 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: 0033:0x7ff57e375bd9
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:00007ff57f0f2048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ff57e503f60 RCX: 00007ff57e375bd9
RDX: 0000000000000000 RSI: 0000000020001380 RDI: 0000000000000007
RBP: 00007ff57e3e4e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007ff57e503f60 R15: 00007fffc1199b48
----------------
Code disassembly (best guess):
0: 3c 28 cmp $0x28,%al
2: 00 74 08 4c add %dh,0x4c(%rax,%rcx,1)
6: 89 e7 mov %esp,%edi
8: e8 94 40 26 f7 call 0xf72640a1
d: 49 8b 2c 24 mov (%r12),%rbp
11: 4c 89 f8 mov %r15,%rax
14: 48 c1 e8 03 shr $0x3,%rax
18: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
1d: 74 08 je 0x27
1f: 4c 89 ff mov %r15,%rdi
22: e8 7a 40 26 f7 call 0xf72640a1
27: 49 8b 1f mov (%r15),%rbx
* 2a: 48 39 dd cmp %rbx,%rbp <-- trapping instruction
2d: 0f 84 99 00 00 00 je 0xcc
33: e8 49 8b c0 f6 call 0xf6c08b81
38: 48 8d 7b 04 lea 0x4(%rbx),%rdi
3c: 48 89 f8 mov %rdi,%rax
3f: 48 rex.W