------------[ cut here ]------------ WARNING: CPU: 1 PID: 124 at net/mac80211/sta_info.c:547 sta_info_insert_check+0x48/0xc4 net/mac80211/sta_info.c:547 Modules linked in: CPU: 1 PID: 124 Comm: kworker/u4:3 Not tainted 5.12.0-rc2-syzkaller-00059-g144c79ef3353 #0 Hardware name: linux,dummy-virt (DT) Workqueue: phy9 ieee80211_iface_work pstate: 40400009 (nZcv daif +PAN -UAO -TCO BTYPE=--) pc : sta_info_insert_check+0x48/0xc4 net/mac80211/sta_info.c:547 lr : sta_info_insert_rcu+0x30/0x8c net/mac80211/sta_info.c:725 sp : ffff800014103bf0 x29: ffff800014103bf0 x28: f8ff000004418000 x27: f5ff00000abd8998 x26: dead000000000100 x25: dead000000000122 x24: f5ff00000abd9340 x23: f5ff00000abd9280 x22: f1ff000029f18820 x21: f1ff000029f18e18 x20: f5ff00000abd8940 x19: f8ff0000283d0000 x18: 0000000000000001 x17: 0000000000000000 x16: 0000000000000000 x15: ffff800012781710 x14: f1ff0000281aa800 x13: 0000000000000010 x12: f5ff00000abd8940 x11: 000000000000000c x10: 0000000000000000 x9 : f1ff000029f1ca70 x8 : 0000000000000fff x7 : 0000000000000000 x6 : f5ff00000abd8940 x5 : 0000000000000fff x4 : 0000000000000000 x3 : 0000000000000000 x2 : 00000000ffeeffff x1 : 00000000ffffffff x0 : 00000000ffeefdf7 Call trace: sta_info_insert_check+0x48/0xc4 net/mac80211/sta_info.c:547 sta_info_insert_rcu+0x30/0x8c net/mac80211/sta_info.c:725 ieee80211_ibss_finish_sta+0x84/0x140 net/mac80211/ibss.c:592 ieee80211_ibss_work+0xe4/0x560 net/mac80211/ibss.c:1700 ieee80211_iface_work+0x2bc/0x340 net/mac80211/iface.c:1461 process_one_work+0x1d8/0x364 kernel/workqueue.c:2275 worker_thread+0x70/0x434 kernel/workqueue.c:2421 kthread+0x174/0x180 kernel/kthread.c:292 ret_from_fork+0x10/0x34 arch/arm64/kernel/entry.S:958