------------[ cut here ]------------
WARNING: CPU: 0 PID: 5731 at net/wireless/ibss.c:36 __cfg80211_ibss_joined+0x324/0x3d0 net/wireless/ibss.c:50
Modules linked in:
CPU: 0 PID: 5731 Comm: kworker/u4:8 Not tainted 5.11.0-syzkaller #0
Hardware name: linux,dummy-virt (DT)
Workqueue: cfg80211 cfg80211_event_work
pstate: 10000005 (nzcV daif -PAN -UAO -TCO BTYPE=--)
pc : __cfg80211_ibss_joined+0x324/0x3d0 net/wireless/ibss.c:36
lr : __cfg80211_ibss_joined+0x154/0x3d0 net/wireless/ibss.c:33
sp : ffff000033f17a00
x29: ffff000033f17a00 x28: ffff000016400000 
x27: ffff600002c80186 x26: dead000000000100 
x25: ffff000016400dc0 x24: 1fffe00002c80182 
x23: 1fffe000067e2f4e x22: ffff000036bf8218 
x21: 0000000000000000 x20: ffff000016400000 
x19: ffff000016400c10 x18: ffff00006a275b48 
x17: 0000000000000000 x16: 0000000000000000 
x15: ffff80001b009810 x14: 1fffe000067e2ee8 
x13: 0000000000000000 x12: ffff6000067e2f0b 
x11: 1fffe000067e2f0a x10: ffff6000067e2f0a 
x9 : 1fffe000028afadc x8 : ffff00001457d6e0 
x7 : dfff800000000000 x6 : 00000000f3f3f3f3 
x5 : ffff80001b01d760 x4 : ffff6000067e2ee6 
x3 : 1fffe000028af9a9 x2 : 1fffe000028af9a9 
x1 : 0000000000000000 x0 : 0000000000000000 
Call trace:
 __cfg80211_ibss_joined+0x324/0x3d0 net/wireless/ibss.c:50
 cfg80211_process_wdev_events+0x2c4/0x444 net/wireless/util.c:977
 cfg80211_process_rdev_events+0x5c/0xdc net/wireless/util.c:1003
 cfg80211_event_work+0x20/0x3c net/wireless/core.c:322
 process_one_work+0x79c/0x1880 kernel/workqueue.c:2275
 worker_thread+0x3d4/0xcd0 kernel/workqueue.c:2421
 kthread+0x320/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x10/0x3c arch/arm64/kernel/entry.S:958