debugfs: 'netdev:syzkaller0' already exists in 'phy59'
------------[ cut here ]------------
hwsim_get_chanwidth(bw) > hwsim_get_chanwidth(confbw)
WARNING: drivers/net/wireless/virtual/mac80211_hwsim_main.c:2263 at mac80211_hwsim_tx+0x1bea/0x2580 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2263, CPU#0: syz.2.7057/28137
Modules linked in:
CPU: 0 UID: 0 PID: 28137 Comm: syz.2.7057 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:mac80211_hwsim_tx+0x1bea/0x2580 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2263
Code: c6 05 b2 21 29 09 01 48 c7 c7 c0 7d bd 8c be a3 08 00 00 48 c7 c2 00 7f bd 8c e8 a1 05 69 fa e9 65 f4 ff ff e8 77 59 8d fa 90 <0f> 0b 90 49 bc 00 00 00 00 00 fc ff df 48 8b 5c 24 18 e9 3b ff ff
RSP: 0018:ffffc90005a8efa0 EFLAGS: 00010283
RAX: ffffffff873a61a9 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000e48f000 RSI: 0000000000000231 RDI: 0000000000000232
RBP: ffffc90005a8f130 R08: ffff8880788bddc0 R09: 000000000000000e
R10: 000000000000000d R11: 0000000000000002 R12: 0000000000000028
R13: ffff88802ea36030 R14: 0000000000000014 R15: 0000000000000030
FS:  0000000000000000(0000) GS:ffff888124cda000(0063) knlGS:00000000f5466b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002fd14ff8 CR3: 0000000052a7a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 drv_tx net/mac80211/driver-ops.h:38 [inline]
 ieee80211_tx_frags+0x3df/0x890 net/mac80211/tx.c:1753
 __ieee80211_tx+0x267/0x580 net/mac80211/tx.c:1808
 ieee80211_tx+0x312/0x4b0 net/mac80211/tx.c:1991
 ieee80211_monitor_start_xmit+0xb33/0x1280 net/mac80211/tx.c:2486
 __netdev_start_xmit include/linux/netdevice.h:5429 [inline]
 netdev_start_xmit include/linux/netdevice.h:5438 [inline]
 xmit_one net/core/dev.c:3937 [inline]
 dev_hard_start_xmit+0x2cd/0x830 net/core/dev.c:3953
 __dev_queue_xmit+0x14c0/0x3820 net/core/dev.c:4926
 packet_snd net/packet/af_packet.c:3110 [inline]
 packet_sendmsg+0x3d0d/0x4f80 net/packet/af_packet.c:3142
 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800
 __sock_sendmsg net/socket.c:815 [inline]
 __sys_sendto+0x408/0x5a0 net/socket.c:2281
 __do_sys_sendto net/socket.c:2288 [inline]
 __se_sys_sendto net/socket.c:2284 [inline]
 __ia32_sys_sendto+0xdd/0x100 net/socket.c:2284
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
 __do_fast_syscall_32+0x27a/0x6a0 arch/x86/entry/syscall_32.c:291
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/syscall_32.c:316
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fa30ec
Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 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 58 b8
RSP: 002b:00000000f546650c EFLAGS: 00000206 ORIG_RAX: 0000000000000171
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 0000000080000080
RDX: 0000000000000031 RSI: 0000000004000000 RDI: 0000000080000380
RBP: 0000000000000014 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	85 d2                	test   %edx,%edx
   3:	74 0a                	je     0xf
   5:	89 ce                	mov    %ecx,%esi
   7:	81 e6 ff 0f 00 00    	and    $0xfff,%esi
   d:	89 32                	mov    %esi,(%rdx)
   f:	85 c0                	test   %eax,%eax
  11:	74 05                	je     0x18
  13:	c1 e9 0c             	shr    $0xc,%ecx
  16:	89 08                	mov    %ecx,(%rax)
  18:	31 c0                	xor    %eax,%eax
  1a:	5e                   	pop    %rsi
  1b:	5d                   	pop    %rbp
  1c:	c3                   	ret
  1d:	90                   	nop
  1e:	0f 1f 00             	nopl   (%rax)
  21:	51                   	push   %rcx
  22:	52                   	push   %rdx
  23:	55                   	push   %rbp
  24:	89 e5                	mov    %esp,%ebp
  26:	0f 34                	sysenter
  28:	cd 80                	int    $0x80
* 2a:	5d                   	pop    %rbp <-- trapping instruction
  2b:	5a                   	pop    %rdx
  2c:	59                   	pop    %rcx
  2d:	c3                   	ret
  2e:	90                   	nop
  2f:	90                   	nop
  30:	90                   	nop
  31:	90                   	nop
  32:	90                   	nop
  33:	90                   	nop
  34:	90                   	nop
  35:	90                   	nop
  36:	90                   	nop
  37:	90                   	nop
  38:	90                   	nop
  39:	90                   	nop
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	58                   	pop    %rax
  3f:	b8                   	.byte 0xb8