------------[ cut here ]------------ WARNING: CPU: 1 PID: 187 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: 187 Comm: kworker/u4:4 Not tainted 5.11.0-rc6-syzkaller-00195-g17fbcdf9f163 #0 Hardware name: linux,dummy-virt (DT) Workqueue: phy8 ieee80211_iface_work pstate: 00400009 (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 : ffff800014933bf0 x29: ffff800014933bf0 x28: ffff800013b54538 x27: f5ff00002662c998 x26: dead000000000100 x25: dead000000000122 x24: f5ff00002662d340 x23: f5ff00002662d280 x22: fcff000026610800 x21: fcff000026610df0 x20: f5ff00002662c940 x19: f8ff0000244fa000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 000000e4e8762154 x14: ffff80001001457c x13: ffff8000100b8ef4 x12: f5ff00002662c940 x11: 000000000000000c x10: 0000000000000000 x9 : fcff000026613b90 x8 : 0000000000000fff x7 : 0000000000000000 x6 : f5ff00002662c940 x5 : 0000000000000fff x4 : 0000000000000000 x3 : 0000000000000100 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:1445 process_one_work+0x1d8/0x360 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