------------[ cut here ]------------
WARNING: CPU: 0 PID: 6008 at kernel/kcov.c:871 kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:871
Modules linked in:
CPU: 0 PID: 6008 Comm: syz.1.184 Not tainted 6.10.0-rc7-syzkaller-00012-g34afb82a3c67 #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:ffffc90000006710 EFLAGS: 00010002
RAX: 0000000080010303 RBX: ffff88802772bc00 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffffffff8bcaccc0 RDI: ffffffff8c1fe980
RBP: 0100000000000005 R08: ffffffff92fa75f7 R09: 1ffffffff25f4ebe
R10: dffffc0000000000 R11: fffffbfff25f4ebf R12: ffffffff8196315e
R13: ffff888024068000 R14: 0000000000000006 R15: ffff8880b942d4c8
FS: 0000000000000000(0000) GS:ffff8880b9400000(0063) knlGS:00000000f5d98b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f5db9ba8 CR3: 000000002d89c000 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:__orc_find arch/x86/kernel/unwind_orc.c:99 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
RIP: 0010:unwind_next_frame+0x549/0x2a00 arch/x86/kernel/unwind_orc.c:494
Code: 4c 0f 47 e0 4c 0f 46 fb 4d 39 e5 77 1d e8 8f 32 55 00 eb 96 89 d9 80 e1 07 80 c1 03 38 c1 7c c0 48 89 df e8 69 e7 ba 00 eb b6 72 32 55 00 4c 2b 7c 24 28 4c 89 fb 49 bd 00 00 00 00 00 fc ff
RSP: 0018:ffffc90000006ea8 EFLAGS: 00000212
RAX: ffffffff8fc59dd8 RBX: ffffffff8fc59ddc RCX: ffff88802772bc00
RDX: ffffc900020f1000 RSI: ffffffff81fba68f RDI: ffffffff81fba5b6
RBP: ffffffff81fba5b6 R08: ffffffff8140f500 R09: ffffc90000007070
R10: 0000000000000003 R11: ffffffff8181dd90 R12: ffffffff8fc59ddc
R13: ffffffff8fc59de0 R14: ffffffff81fba68f R15: ffffffff8fc59ddc
arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
poison_slab_object+0xe0/0x150 mm/kasan/common.c:240
__kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2196 [inline]
slab_free mm/slub.c:4438 [inline]
kmem_cache_free+0x145/0x350 mm/slub.c:4513
skb_kfree_head net/core/skbuff.c:1067 [inline]
skb_free_head net/core/skbuff.c:1081 [inline]
skb_release_data+0x64d/0x880 net/core/skbuff.c:1108
skb_release_all net/core/skbuff.c:1173 [inline]
__kfree_skb net/core/skbuff.c:1187 [inline]
kfree_skb_reason+0x1a3/0x3b0 net/core/skbuff.c:1223
ieee80211_rx_handlers+0x3f3d/0xb820 net/mac80211/rx.c:4208
ieee80211_invoke_rx_handlers net/mac80211/rx.c:4235 [inline]
ieee80211_prepare_and_rx_handle+0x31ab/0x6360 net/mac80211/rx.c:5083
__ieee80211_rx_handle_packet net/mac80211/rx.c:5324 [inline]
ieee80211_rx_list+0x2cde/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_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0xb4/0x120 arch/x86/entry/common.c:386
do_fast_syscall_32+0x34/0x80 arch/x86/entry/common.c:411
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf74a0579
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 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f5d9857c EFLAGS: 00000206 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 0000000020000200
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
----------------
Code disassembly (best guess):
0: 4c 0f 47 e0 cmova %rax,%r12
4: 4c 0f 46 fb cmovbe %rbx,%r15
8: 4d 39 e5 cmp %r12,%r13
b: 77 1d ja 0x2a
d: e8 8f 32 55 00 call 0x5532a1
12: eb 96 jmp 0xffffffaa
14: 89 d9 mov %ebx,%ecx
16: 80 e1 07 and $0x7,%cl
19: 80 c1 03 add $0x3,%cl
1c: 38 c1 cmp %al,%cl
1e: 7c c0 jl 0xffffffe0
20: 48 89 df mov %rbx,%rdi
23: e8 69 e7 ba 00 call 0xbae791
28: eb b6 jmp 0xffffffe0
* 2a: e8 72 32 55 00 call 0x5532a1 <-- trapping instruction
2f: 4c 2b 7c 24 28 sub 0x28(%rsp),%r15
34: 4c 89 fb mov %r15,%rbx
37: 49 rex.WB
38: bd 00 00 00 00 mov $0x0,%ebp
3d: 00 fc add %bh,%ah
3f: ff .byte 0xff