------------[ cut here ]------------
WARNING: CPU: 0 PID: 9884 at kernel/kcov.c:871 kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:871
Modules linked in:
CPU: 0 PID: 9884 Comm: syz.1.1104 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:ffffc90000006930 EFLAGS: 00010002
RAX: 0000000000010101 RBX: ffff888064bfbc00 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffffffff8bcacca0 RDI: ffffffff8c1fe940
RBP: 0100000000000005 R08: ffffffff92fa75f7 R09: 1ffffffff25f4ebe
R10: dffffc0000000000 R11: fffffbfff25f4ebf R12: ffffffff8196315e
R13: ffff888023ab1000 R14: 0000000000000006 R15: ffff8880b942d4c8
FS: 00007fb056b296c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200013c0 CR3: 00000000625c4000 CR4: 00000000003526f0
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:memory_is_nonzero mm/kasan/generic.c:116 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x175/0x290 mm/kasan/generic.c:189
Code: 08 00 00 00 44 29 e3 49 01 db 4d 29 df 4c 89 fd 48 8d 5d 07 48 85 ed 48 0f 49 dd 48 c1 eb 03 85 db 74 23 45 31 ff 4b 8b 2c 3b <48> 85 ed 75 4a 49 83 c7 08 ff cb 75 ef 4c 89 cd 4c 29 dd 4c 29 fd
RSP: 0018:ffffc900000070c8 EFLAGS: 00000202
RAX: 1ffff92000000e01 RBX: 0000000000000001 RCX: ffffffff8ad566d4
RDX: 0000000000000000 RSI: 00000000000006ad RDI: ffff88802d180064
RBP: 0000000000000000 R08: ffff88802d180710 R09: 1ffff11005a300e2
R10: dffffc0000000000 R11: ffffed1005a30010 R12: 0000000000000004
R13: 1ffff11004a68a03 R14: dffffc0000000001 R15: 00000000000000c8
__asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105
cfg80211_inform_single_bss_data+0xe54/0x2360 net/wireless/scan.c:2271
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: 0033:0x7fb055d75bd9
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:00007fb056b29048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fb055f03f60 RCX: 00007fb055d75bd9
RDX: 0000000000000004 RSI: 0000000020001380 RDI: 0000000000000006
RBP: 00007fb055de4e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fb055f03f60 R15: 00007fb05602fa78
----------------
Code disassembly (best guess):
0: 08 00 or %al,(%rax)
2: 00 00 add %al,(%rax)
4: 44 29 e3 sub %r12d,%ebx
7: 49 01 db add %rbx,%r11
a: 4d 29 df sub %r11,%r15
d: 4c 89 fd mov %r15,%rbp
10: 48 8d 5d 07 lea 0x7(%rbp),%rbx
14: 48 85 ed test %rbp,%rbp
17: 48 0f 49 dd cmovns %rbp,%rbx
1b: 48 c1 eb 03 shr $0x3,%rbx
1f: 85 db test %ebx,%ebx
21: 74 23 je 0x46
23: 45 31 ff xor %r15d,%r15d
26: 4b 8b 2c 3b mov (%r11,%r15,1),%rbp
* 2a: 48 85 ed test %rbp,%rbp <-- trapping instruction
2d: 75 4a jne 0x79
2f: 49 83 c7 08 add $0x8,%r15
33: ff cb dec %ebx
35: 75 ef jne 0x26
37: 4c 89 cd mov %r9,%rbp
3a: 4c 29 dd sub %r11,%rbp
3d: 4c 29 fd sub %r15,%rbp