syzbot
WARNING in sta_info_insert_check
Status:
closed as dup on 2021/02/01 09:12
Subsystems:
wireless
[Documentation on labels]
Reported-by: syzbot+8dcc087eb24227ded47e@syzkaller.appspotmail.com
First crash: 2006d, last: 1966d
Sample crash report:
------------[ 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
* Struck through repros no longer work on HEAD.