------------[ cut here ]------------
WARNING: CPU: 1 PID: 5336 at kernel/kcov.c:871 kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:871
Modules linked in:
CPU: 1 PID: 5336 Comm: syz.1.47 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:ffffc90000a18270 EFLAGS: 00010002
RAX: 0000000080010101 RBX: ffff88802ae73c00 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffffffff8bcaccc0 RDI: ffffffff8c1f15c0
RBP: 0100000000000004 R08: ffffffff92f715ef R09: 1ffffffff25ee2bd
R10: dffffc0000000000 R11: fffffbfff25ee2be R12: ffffffff8196306e
R13: ffff8880289f4200 R14: 0000000000000006 R15: ffff8880b952d4c8
FS: 00007fe9db8bc6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31605ff8 CR3: 000000007a072000 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_clean_skb+0x236/0x4c0 net/mac80211/rx.c:64
Code: 41 81 64 24 40 ff ff ef e3 4d 8d bc 24 d8 00 00 00 4c 89 fb 48 c1 eb 03 80 3c 2b 00 74 08 4c 89 ff e8 ae 9a 03 f7 4c 89 24 24 <4d> 8b 37 4d 89 f5 49 c1 ed 03 41 0f b6 44 2d 00 84 c0 0f 85 89 01
RSP: 0018:ffffc90000a18a00 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 1ffff1100f8a3643 RCX: 0000000000040000
RDX: ffffc90002312000 RSI: 000000000000000a RDI: ffff88807c51b180
RBP: dffffc0000000000 R08: ffffffff8af4f737 R09: 1ffff1100eb961cf
R10: dffffc0000000000 R11: ffffed100eb961d0 R12: ffff88807c51b140
R13: 0000000000000024 R14: 0000000000000000 R15: ffff88807c51b218
ieee80211_rx_monitor net/mac80211/rx.c:838 [inline]
ieee80211_rx_list+0xff9/0x3780 net/mac80211/rx.c:5450
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: 0033:0x7fe9dab75bd9
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:00007fe9db8bc048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fe9dad03f60 RCX: 00007fe9dab75bd9
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000007
RBP: 00007fe9dabe4e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fe9dad03f60 R15: 00007ffd183309b8
----------------
Code disassembly (best guess):
0: 41 81 64 24 40 ff ff andl $0xe3efffff,0x40(%r12)
7: ef e3
9: 4d 8d bc 24 d8 00 00 lea 0xd8(%r12),%r15
10: 00
11: 4c 89 fb mov %r15,%rbx
14: 48 c1 eb 03 shr $0x3,%rbx
18: 80 3c 2b 00 cmpb $0x0,(%rbx,%rbp,1)
1c: 74 08 je 0x26
1e: 4c 89 ff mov %r15,%rdi
21: e8 ae 9a 03 f7 call 0xf7039ad4
26: 4c 89 24 24 mov %r12,(%rsp)
* 2a: 4d 8b 37 mov (%r15),%r14 <-- trapping instruction
2d: 4d 89 f5 mov %r14,%r13
30: 49 c1 ed 03 shr $0x3,%r13
34: 41 0f b6 44 2d 00 movzbl 0x0(%r13,%rbp,1),%eax
3a: 84 c0 test %al,%al
3c: 0f .byte 0xf
3d: 85 .byte 0x85
3e: 89 01 mov %eax,(%rcx)