------------[ cut here ]------------ WARNING: CPU: 1 PID: 11906 at net/mac80211/sta_info.c:545 sta_info_insert_check net/mac80211/sta_info.c:545 [inline] WARNING: CPU: 1 PID: 11906 at net/mac80211/sta_info.c:545 sta_info_insert_rcu+0x283/0x2ce0 net/mac80211/sta_info.c:723 Modules linked in: CPU: 1 PID: 11906 Comm: kworker/u4:16 Not tainted 5.15.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy11 ieee80211_iface_work RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:545 [inline] RIP: 0010:sta_info_insert_rcu+0x283/0x2ce0 net/mac80211/sta_info.c:723 Code: f3 f8 44 89 e6 31 ff 83 e6 01 40 88 b5 38 ff ff ff e8 c1 0d f3 f8 0f b6 85 38 ff ff ff 84 c0 0f 84 fa 00 00 00 e8 6d 07 f3 f8 <0f> 0b 41 bc ea ff ff ff e8 60 07 f3 f8 4c 89 f6 4c 89 ff e8 b5 f9 RSP: 0018:ffffc9000501f968 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88801ac38c80 RCX: 0000000000000000 RDX: ffff88801e563900 RSI: ffffffff88830423 RDI: 0000000000000003 RBP: ffffc9000501fab0 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff8883040f R11: 0000000000000000 R12: 0000000080fe002f R13: ffff88807e454048 R14: ffff88807e454000 R15: ffff88802feb8d60 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8153c34de0 CR3: 000000001b267000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_ibss_finish_sta+0x212/0x390 net/mac80211/ibss.c:585 ieee80211_ibss_work+0x2c7/0xe80 net/mac80211/ibss.c:1693 ieee80211_iface_work+0xb70/0xd00 net/mac80211/iface.c:1515 process_one_work+0x9bf/0x16b0 kernel/workqueue.c:2297 worker_thread+0x658/0x11f0 kernel/workqueue.c:2444 kthread+0x3e5/0x4d0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295