------------[ cut here ]------------
WARNING: CPU: 0 PID: 13040 at kernel/kcov.c:871 kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:871
Modules linked in:
CPU: 0 UID: 0 PID: 13040 Comm: syz.4.2436 Not tainted 6.10.0-rc6-next-20240703-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 c6 a8 fd 09 89 c0 48 c7 c7 c8 d4 02 00 48 03 3c c5 40
RSP: 0018:ffffc90000006d70 EFLAGS: 00010002
RAX: 0000000080010101 RBX: ffff88801bf8da00 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffffffff8bcada80 RDI: ffffffff8c207f20
RBP: 0100000000000005 R08: ffffffff930107f7 R09: 1ffffffff26020fe
R10: dffffc0000000000 R11: fffffbfff26020ff R12: ffffffff81938d8e
R13: ffff88801e5f7000 R14: 0000000000000006 R15: ffff8880b942d4c8
FS:  00007f148b9fc6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f69c1cce2d8 CR3: 000000007c14a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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:stack_trace_consume_entry+0x9/0x280 kernel/stacktrace.c:83
Code: 3d f1 11 0a 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 41 57 41 56 <41> 55 41 54 53 48 83 ec 18 48 89 fb 48 ba 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90000007500 EFLAGS: 00000282
RAX: 0000000000000002 RBX: ffffffff8b07728a RCX: ffff88801bf8da00
RDX: ffffc90002141000 RSI: ffffffff8b07728a RDI: ffffc90000007600
RBP: ffffc900000075b0 R08: ffffffff813756e2 R09: ffffffff814110bf
R10: 0000000000000003 R11: ffffffff817f2bd0 R12: ffff88801bf8da00
R13: ffffffff817f2bd0 R14: ffffc90000007600 R15: ffffc90000007520
 arch_stack_walk+0x143/0x1b0 arch/x86/kernel/stacktrace.c:27
 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:2231 [inline]
 slab_free mm/slub.c:4473 [inline]
 kmem_cache_free+0x145/0x350 mm/slub.c:4548
 skb_kfree_head net/core/skbuff.c:1080 [inline]
 skb_free_head net/core/skbuff.c:1094 [inline]
 skb_release_data+0x64d/0x880 net/core/skbuff.c:1121
 skb_release_all net/core/skbuff.c:1186 [inline]
 __kfree_skb net/core/skbuff.c:1200 [inline]
 consume_skb+0xb1/0x160 net/core/skbuff.c:1424
 ieee80211_rx_list+0x2d1a/0x3780
 ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5483
 ieee80211_rx include/net/mac80211.h:5122 [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
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382
 ieee80211_tx_skb_tid+0x264/0x420 net/mac80211/tx.c:6129
 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:12710
 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: 0033:0x7f148ab75bd9
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:00007f148b9fc048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f148ad04038 RCX: 00007f148ab75bd9
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 000000000000000a
RBP: 00007f148abe4e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f148ad04038 R15: 00007fffa97c7998
 </TASK>
----------------
Code disassembly (best guess):
   0:	3d f1 11 0a 66       	cmp    $0x660a11f1,%eax
   5:	2e 0f 1f 84 00 00 00 	cs nopl 0x0(%rax,%rax,1)
   c:	00 00
   e:	0f 1f 00             	nopl   (%rax)
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	f3 0f 1e fa          	endbr64
  25:	55                   	push   %rbp
  26:	41 57                	push   %r15
  28:	41 56                	push   %r14
* 2a:	41 55                	push   %r13 <-- trapping instruction
  2c:	41 54                	push   %r12
  2e:	53                   	push   %rbx
  2f:	48 83 ec 18          	sub    $0x18,%rsp
  33:	48 89 fb             	mov    %rdi,%rbx
  36:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  3d:	fc ff df