------------[ cut here ]------------ WARNING: CPU: 0 PID: 22425 at drivers/net/wireless/virtual/mac80211_hwsim.c:240 hwsim_check_sta_magic drivers/net/wireless/virtual/mac80211_hwsim.c:240 [inline] WARNING: CPU: 0 PID: 22425 at drivers/net/wireless/virtual/mac80211_hwsim.c:240 mac80211_hwsim_tx+0x1bdd/0x26e0 drivers/net/wireless/virtual/mac80211_hwsim.c:2002 Modules linked in: CPU: 0 PID: 22425 Comm: syz.4.5036 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:hwsim_check_sta_magic drivers/net/wireless/virtual/mac80211_hwsim.c:240 [inline] RIP: 0010:mac80211_hwsim_tx+0x1bdd/0x26e0 drivers/net/wireless/virtual/mac80211_hwsim.c:2002 Code: 85 9a 0a 00 00 45 0f b6 8f f4 03 00 00 48 c7 c7 00 d2 65 8b 4c 89 fe 89 ea e8 7f cb 0e fb 0f 0b e9 70 f1 ff ff e8 d3 0c 45 fb <0f> 0b e9 de f1 ff ff e8 c7 0c 45 fb 0f 0b e9 22 fa ff ff e8 bb 0c RSP: 0018:ffffc9000396ed68 EFLAGS: 00010283 RAX: ffffffff864283dd RBX: 1ffff1100ac612f8 RCX: 0000000000080000 RDX: ffffc9001527c000 RSI: 0000000000000e24 RDI: 0000000000000e25 RBP: 0000000000000000 R08: ffff88805630978f R09: 0000000000000000 R10: ffff888056309780 R11: ffffed100ac612f2 R12: 1ffff9200072dde0 R13: 0000000000000000 R14: ffff8880563097c0 R15: ffff888030465160 FS: 00007f5e8cb9c6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5e8cb9bff8 CR3: 0000000063feb000 CR4: 00000000003506f0 Call Trace: <TASK> drv_tx net/mac80211/driver-ops.h:37 [inline] ieee80211_tx_frags+0x3d5/0x880 net/mac80211/tx.c:1750 __ieee80211_xmit_fast+0xa96/0x2100 net/mac80211/tx.c:3761 ieee80211_mesh_xmit_fast+0xb03/0xf00 net/mac80211/mesh.c:856 __ieee80211_subif_start_xmit+0x6cf/0x1540 net/mac80211/tx.c:4308 ieee80211_subif_start_xmit+0xf2/0x570 net/mac80211/tx.c:4549 __netdev_start_xmit include/linux/netdevice.h:4998 [inline] netdev_start_xmit include/linux/netdevice.h:5012 [inline] xmit_one net/core/dev.c:3649 [inline] dev_hard_start_xmit+0x269/0x790 net/core/dev.c:3665 __dev_queue_xmit+0x1be8/0x37e0 net/core/dev.c:4478 packet_snd net/packet/af_packet.c:3167 [inline] packet_sendmsg+0x38d9/0x4a30 net/packet/af_packet.c:3199 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] sock_write_iter+0x2dc/0x420 net/socket.c:1161 call_write_iter include/linux/fs.h:2018 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x474/0x9a0 fs/read_write.c:584 ksys_write+0x151/0x260 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f5e8bd9e159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5e8cb9c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f5e8c026090 RCX: 00007f5e8bd9e159 RDX: 000000000000002e RSI: 0000200000000500 RDI: 0000000000000004 RBP: 00007f5e8be3506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5e8c026128 R14: 00007f5e8c026090 R15: 00007ffdcbf65848 </TASK>