------------[ cut here ]------------ WARNING: CPU: 1 PID: 32724 at net/mac80211/sta_info.c:547 sta_info_insert_check net/mac80211/sta_info.c:547 [inline] WARNING: CPU: 1 PID: 32724 at net/mac80211/sta_info.c:547 sta_info_insert_rcu+0x1c8/0x1e60 net/mac80211/sta_info.c:725 Modules linked in: CPU: 1 PID: 32724 Comm: kworker/u4:8 Not tainted 5.12.0-rc2-syzkaller-00059-g144c79ef3353 #0 Hardware name: linux,dummy-virt (DT) Workqueue: phy40 ieee80211_iface_work pstate: 10000005 (nzcV daif -PAN -UAO -TCO BTYPE=--) pc : sta_info_insert_check net/mac80211/sta_info.c:547 [inline] pc : sta_info_insert_rcu+0x1c8/0x1e60 net/mac80211/sta_info.c:725 lr : sta_info_insert_rcu+0xc8/0x1e60 net/mac80211/sta_info.c:723 sp : ffff00003e8ff710 x29: ffff00003e8ff710 x28: ffff00000d274c00 x27: ffff000033eb0d20 x26: ffff000033eb15c8 x25: 000000000000e7ff x24: 00000000ffffffff x23: ffff00000eadec84 x22: 1fffe00001d5bc09 x21: 00000000ffeefdf7 x20: 1fffe00007d1ff0c x19: ffff00000eade000 x18: 0000000000000105 x17: 0000000000000000 x16: 0000000000000005 x15: 0000000000000000 x14: 1fffe00007d1fe86 x13: 0000000000000001 x12: ffff6000067d62ba x11: 1fffe000067d62b9 x10: ffff6000067d62b9 x9 : dfff800000000000 x8 : ffff000033eb15cf x7 : 0000000000000001 x6 : 00009ffff9829d47 x5 : ffff000033eb15c8 x4 : 1fffe00001d5bd91 x3 : 1fffe00001a4ec18 x2 : 0000000000000000 x1 : 0000000000000005 x0 : 00000000ffeeffff Call trace: sta_info_insert_check net/mac80211/sta_info.c:547 [inline] sta_info_insert_rcu+0x1c8/0x1e60 net/mac80211/sta_info.c:725 ieee80211_ibss_finish_sta+0x148/0x260 net/mac80211/ibss.c:592 ieee80211_ibss_work+0x224/0xf24 net/mac80211/ibss.c:1700 ieee80211_iface_work+0x52c/0x674 net/mac80211/iface.c:1461 process_one_work+0x798/0x1764 kernel/workqueue.c:2275 worker_thread+0x3d4/0xcd0 kernel/workqueue.c:2421 kthread+0x320/0x3bc kernel/kthread.c:292 ret_from_fork+0x10/0x3c arch/arm64/kernel/entry.S:958