------------[ cut here ]------------
hwsim_get_chanwidth(bw) > hwsim_get_chanwidth(confbw)
WARNING: drivers/net/wireless/virtual/mac80211_hwsim.c:2235 at mac80211_hwsim_tx+0x1b4b/0x2620 drivers/net/wireless/virtual/mac80211_hwsim.c:2235, CPU#0: syz.2.3198/16930
Modules linked in:
CPU: 0 UID: 0 PID: 16930 Comm: syz.2.3198 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:mac80211_hwsim_tx+0x1b4b/0x2620 drivers/net/wireless/virtual/mac80211_hwsim.c:2235
Code: c6 05 de aa 0d 09 01 48 c7 c7 80 4f 79 8c be 5e 08 00 00 48 c7 c2 c0 5e 79 8c e8 f0 7c 95 fa e9 e2 f9 ff ff e8 36 45 b9 fa 90 <0f> 0b 90 48 81 c4 b0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc
RSP: 0018:ffffc90003edef18 EFLAGS: 00010287
RAX: ffffffff870c729a RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc900138ce000 RSI: 0000000000000371 RDI: 0000000000000372
RBP: ffff88806b2b5a30 R08: ffff88801f2fdd00 R09: 000000000000000e
R10: 000000000000000d R11: 0000000000000002 R12: 0000000000000014
R13: 0000000000000028 R14: 0000000000000501 R15: 0000000000000030
FS:  0000000000000000(0000) GS:ffff88812529e000(0063) knlGS:00000000f540cb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f540bff4 CR3: 000000007dd66000 CR4: 00000000003526f0
DR0: 000000006000003f DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 drv_tx net/mac80211/driver-ops.h:38 [inline]
 ieee80211_tx_frags+0x3e7/0x8c0 net/mac80211/tx.c:1746
 __ieee80211_tx+0x23f/0x570 net/mac80211/tx.c:1801
 ieee80211_tx+0x312/0x4b0 net/mac80211/tx.c:1984
 ieee80211_monitor_start_xmit+0xb46/0x1250 net/mac80211/tx.c:2467
 __netdev_start_xmit include/linux/netdevice.h:5368 [inline]
 netdev_start_xmit include/linux/netdevice.h:5377 [inline]
 xmit_one net/core/dev.c:3888 [inline]
 dev_hard_start_xmit+0x2cd/0x830 net/core/dev.c:3904
 sch_direct_xmit+0x251/0x4c0 net/sched/sch_generic.c:372
 qdisc_restart net/sched/sch_generic.c:437 [inline]
 __qdisc_run+0xa83/0x1560 net/sched/sch_generic.c:445
 qdisc_run include/net/pkt_sched.h:120 [inline]
 __dev_xmit_skb net/core/dev.c:4292 [inline]
 __dev_queue_xmit+0x1d26/0x3950 net/core/dev.c:4831
 packet_snd net/packet/af_packet.c:3082 [inline]
 packet_sendmsg+0x3c81/0x4fb0 net/packet/af_packet.c:3114
 sock_sendmsg_nosec net/socket.c:787 [inline]
 __sock_sendmsg net/socket.c:802 [inline]
 __sys_sendto+0x672/0x710 net/socket.c:2265
 __do_sys_sendto net/socket.c:2272 [inline]
 __se_sys_sendto net/socket.c:2268 [inline]
 __ia32_sys_sendto+0xdd/0x100 net/socket.c:2268
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0x23e/0x6f0 arch/x86/entry/syscall_32.c:307
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/syscall_32.c:332
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf703f01c
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:00000000f540c50c EFLAGS: 00000206 ORIG_RAX: 0000000000000171
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 0000000080000640
RDX: 0000000000000030 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