------------[ cut here ]------------
WARNING: CPU: 0 PID: 6584 at kernel/kcov.c:871 kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:871
Modules linked in:
CPU: 0 UID: 0 PID: 6584 Comm: syz.4.196 Not tainted 6.11.0-rc2-syzkaller-00027-g6a0e38264012 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
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 96 d2 19 0a 89 c0 48 c7 c7 c8 d4 02 00 48 03 3c c5 40
RSP: 0018:ffffc90000006470 EFLAGS: 00010002
RAX: 0000000080010303 RBX: ffff888023783c00 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffffffff8beae6e0 RDI: ffffffff8c3f8b40
RBP: 0100000000000003 R08: ffffffff934ee877 R09: 1ffffffff269dd0e
R10: dffffc0000000000 R11: fffffbfff269dd0f R12: ffffffff81937ffe
R13: ffff88802d4c1000 R14: 0000000000000006 R15: ffff8880b922d4c8
FS: 00007f72f90c66c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000007fdb2000 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+0x830/0x45a0 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:___slab_alloc+0x4f7/0x14b0 mm/slub.c:3653
Code: e9 78 fb ff ff e8 09 28 c1 09 f7 c3 00 02 00 00 74 18 e9 8e fe ff ff 48 c7 43 10 00 00 00 00 4c 89 ff 48 89 de e8 f9 15 00 00 <49> 83 7c 24 18 00 0f 84 89 06 00 00 48 c7 44 24 60 00 00 00 00 9c
RSP: 0018:ffffc90000006c08 EFLAGS: 00000206
RAX: 09d4614a61cef000 RBX: 0000000000000246 RCX: ffffffff81702e4a
RDX: dffffc0000000000 RSI: ffffffff8bead560 RDI: ffffffff8c3f8b40
RBP: ffff8880b9242c80 R08: ffffffff934ee8c7 R09: 1ffffffff269dd18
R10: dffffc0000000000 R11: fffffbfff269dd19 R12: ffff8880b9242c60
R13: ffff888023783c00 R14: 00000000ffffffff R15: ffff888015442140
__slab_alloc+0x58/0xa0 mm/slub.c:3813
__slab_alloc_node mm/slub.c:3866 [inline]
slab_alloc_node mm/slub.c:4025 [inline]
__do_kmalloc_node mm/slub.c:4157 [inline]
__kmalloc_noprof+0x25a/0x400 mm/slub.c:4170
kmalloc_noprof include/linux/slab.h:685 [inline]
kzalloc_noprof include/linux/slab.h:807 [inline]
ieee802_11_parse_elems_full+0xdb/0x2880 net/mac80211/parse.c:958
ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2361 [inline]
ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2368 [inline]
ieee80211_inform_bss+0x15f/0x1080 net/mac80211/scan.c:79
rdev_inform_bss net/wireless/rdev-ops.h:418 [inline]
cfg80211_inform_single_bss_data+0xe93/0x2030 net/wireless/scan.c:2335
cfg80211_inform_bss_data+0x3dd/0x5a70 net/wireless/scan.c:3159
cfg80211_inform_bss_frame_data+0x3b8/0x720 net/wireless/scan.c:3254
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:5225 [inline]
ieee80211_rx_list+0x2b02/0x3780 net/mac80211/rx.c:5462
ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5485
ieee80211_rx include/net/mac80211.h:5124 [inline]
ieee80211_handle_queued_frames+0xe7/0x1e0 net/mac80211/main.c:439
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:6130
ieee80211_mgmt_tx+0x1b46/0x2180 net/mac80211/offchannel.c:1022
rdev_mgmt_tx net/wireless/rdev-ops.h:760 [inline]
cfg80211_mlme_mgmt_tx+0x950/0x16a0 net/wireless/mlme.c:937
nl80211_tx_mgmt+0xb0d/0x1190 net/wireless/nl80211.c:12808
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:2550
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f0/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2597
___sys_sendmsg net/socket.c:2651 [inline]
__sys_sendmsg+0x2b0/0x3a0 net/socket.c:2680
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: 0033:0x7f72f83779f9
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:00007f72f90c6038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f72f8506130 RCX: 00007f72f83779f9
RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005
RBP: 00007f72f83e58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f72f8506130 R15: 00007ffe81508808
----------------
Code disassembly (best guess):
0: e9 78 fb ff ff jmp 0xfffffb7d
5: e8 09 28 c1 09 call 0x9c12813
a: f7 c3 00 02 00 00 test $0x200,%ebx
10: 74 18 je 0x2a
12: e9 8e fe ff ff jmp 0xfffffea5
17: 48 c7 43 10 00 00 00 movq $0x0,0x10(%rbx)
1e: 00
1f: 4c 89 ff mov %r15,%rdi
22: 48 89 de mov %rbx,%rsi
25: e8 f9 15 00 00 call 0x1623
* 2a: 49 83 7c 24 18 00 cmpq $0x0,0x18(%r12) <-- trapping instruction
30: 0f 84 89 06 00 00 je 0x6bf
36: 48 c7 44 24 60 00 00 movq $0x0,0x60(%rsp)
3d: 00 00
3f: 9c pushf