------------[ cut here ]------------ WARNING: CPU: 0 PID: 148 at net/mac80211/sta_info.c:547 sta_info_insert_check+0x48/0xc4 net/mac80211/sta_info.c:547 Modules linked in: CPU: 0 PID: 148 Comm: kworker/u4:5 Not tainted 5.12.0-rc2-syzkaller #0 Hardware name: linux,dummy-virt (DT) Workqueue: phy35 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 : ffff8000141c3bf0 x29: ffff8000141c3bf0 x28: f2ff000004418000 x27: fdff000026fd8998 x26: dead000000000100 x25: dead000000000122 x24: fdff000026fd9340 x23: fdff000026fd9280 x22: f6ff000030c40820 x21: f6ff000030c40e18 x20: fdff000026fd8940 x19: fdff00002672a000 x18: 0000000000000001 x17: 0000000000000000 x16: 0000000000000000 x15: ffff800012781710 x14: f7ff00000af58e00 x13: 0000000000000010 x12: fdff000026fd8940 x11: 000000000000000c x10: 0000000000000000 x9 : f6ff000030c44a70 x8 : 0000000000000fff x7 : 0000000000000000 x6 : fdff000026fd8940 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