WARNING: CPU: 0 PID: 10441 at kernel/kcov.c:871 kcov_remote_start+0x274/0x6e0 kernel/kcov.c:871
Modules linked in:
CPU: 0 PID: 10441 Comm: syz.2.794 Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:kcov_remote_start+0x274/0x6e0 kernel/kcov.c:871
Code: c0 22 49 89 47 08 e9 87 00 00 00 f6 c4 01 0f 85 06 fe ff ff e9 dc fd ff ff 44 8b 95 1c 16 00 00 45 85 d2 0f 84 d5 fe ff ff 90 <0f> 0b 90 e9 b9 00 00 00 65 8b 05 55 3a 75 7e 49 c7 c0 52 48 37 8d
RSP: 0018:ffffc900000074d0 EFLAGS: 00010002
RAX: 0000000080010101 RBX: 000000000002d648 RCX: ffffffff816bcb0e
RDX: 0000000000000002 RSI: ffffffff8b2cbce0 RDI: ffffffff8b8fb5e0
RBP: ffff888029fe0000 R08: 0000000000000000 R09: fffffbfff283e667
R10: 0000000000000001 R11: 0000000000000004 R12: ffff88802c02d648
R13: 0000000000000000 R14: 0100000000000007 R15: ffff888029fe0000
FS: 0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:00000000f5d7bb40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000d62a000 CR4: 0000000000350ef0
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+0x35b/0x6e0 drivers/usb/core/hcd.c:1649
usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734
dummy_timer+0x13f6/0x3530 drivers/usb/gadget/udc/dummy_hcd.c:1987
__run_hrtimer kernel/time/hrtimer.c:1689 [inline]
__hrtimer_run_queues+0x20c/0xcc0 kernel/time/hrtimer.c:1753
hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1815
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x43/0xb0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:write_comp_data+0x7d/0x90 kernel/kcov.c:262
Code: 00 00 4a 8d 34 dd 28 00 00 00 48 39 f2 72 1b 48 83 c7 01 48 89 38 4c 89 44 30 e0 4c 89 4c 30 e8 4c 89 54 30 f0 4a 89 4c d8 20 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90
RSP: 0018:ffffc90000007a38 EFLAGS: 00000297
RAX: 0000000000000002 RBX: ffff88801237f2c0 RCX: ffffffff8a538c04
RDX: ffff888029fe0000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000007c08 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000004 R12: ffff888058628840
R13: 0000000000000080 R14: ffffc90000007d30 R15: ffff8880651fc000
ieee80211_rx_h_check_dup net/mac80211/rx.c:1443 [inline]
ieee80211_invoke_rx_handlers net/mac80211/rx.c:4230 [inline]
ieee80211_prepare_and_rx_handle+0x1044/0x7070 net/mac80211/rx.c:5083
ieee80211_rx_for_interface+0x10a/0x1f0 net/mac80211/rx.c:5168
__ieee80211_rx_handle_packet net/mac80211/rx.c:5324 [inline]
ieee80211_rx_list+0x109c/0x2ec0 net/mac80211/rx.c:5459
ieee80211_rx_napi+0xdd/0x400 net/mac80211/rx.c:5482
ieee80211_rx include/net/mac80211.h:5093 [inline]
ieee80211_handle_queued_frames+0xd5/0x130 net/mac80211/main.c:438
tasklet_action_common.constprop.0+0x24c/0x3e0 kernel/softirq.c:785
handle_softirqs+0x216/0x8f0 kernel/softirq.c:554
do_softirq kernel/softirq.c:455 [inline]
do_softirq+0xb2/0xf0 kernel/softirq.c:442
__local_bh_enable_ip+0x100/0x120 kernel/softirq.c:382
ieee80211_tx_skb_tid+0x176/0x4f0 net/mac80211/tx.c:6131
ieee80211_mgmt_tx+0x10b7/0x2260 net/mac80211/offchannel.c:989
rdev_mgmt_tx net/wireless/rdev-ops.h:762 [inline]
cfg80211_mlme_mgmt_tx+0x7d4/0x1660 net/wireless/mlme.c:937
nl80211_tx_mgmt+0x7f9/0xd40 net/wireless/nl80211.c:12655
genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115
genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210
netlink_rcv_skb+0x165/0x410 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+0x542/0x820 net/netlink/af_netlink.c:1361
netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1905
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
____sys_sendmsg+0x9b4/0xb50 net/socket.c:2585
___sys_sendmsg+0x135/0x1e0 net/socket.c:2639
__sys_sendmsg+0x117/0x1f0 net/socket.c:2668
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7484579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5d7b57c EFLAGS: 00000292 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 000000000000000a RCX: 0000000020000200
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 4a 8d 34 dd 28 00 00 lea 0x28(,%r11,8),%rsi
9: 00
a: 48 39 f2 cmp %rsi,%rdx
d: 72 1b jb 0x2a
f: 48 83 c7 01 add $0x1,%rdi
13: 48 89 38 mov %rdi,(%rax)
16: 4c 89 44 30 e0 mov %r8,-0x20(%rax,%rsi,1)
1b: 4c 89 4c 30 e8 mov %r9,-0x18(%rax,%rsi,1)
20: 4c 89 54 30 f0 mov %r10,-0x10(%rax,%rsi,1)
25: 4a 89 4c d8 20 mov %rcx,0x20(%rax,%r11,8)
* 2a: c3 ret <-- trapping instruction
2b: cc int3
2c: cc int3
2d: cc int3
2e: cc int3
2f: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1)
36: 00 00 00 00
3a: 0f 1f 00 nopl (%rax)
3d: 90 nop
3e: 90 nop
3f: 90 nop