From: syzbot <syzbot+ef4ca92d9d6f5ba2f880@syzkaller.appspotmail.com>
To: davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org,
linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org,
netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: WARNING in sta_info_insert_rcu
Date: Thu, 24 Sep 2020 02:26:25 -0700 [thread overview]
Message-ID: <0000000000004d87c705b00bcb0a@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: eff48dde Merge tag 'trace-v5.9-rc5' of git://git.kernel.or..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=17b4e8e3900000
kernel config: https://syzkaller.appspot.com/x/.config?x=5f4c828c9e3cef97
dashboard link: https://syzkaller.appspot.com/bug?extid=ef4ca92d9d6f5ba2f880
compiler: gcc (GCC) 10.1.0-syz 20200507
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=167e5707900000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1765b19b900000
Bisection is inconclusive: the issue happens on the oldest tested release.
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10341dab900000
final oops: https://syzkaller.appspot.com/x/report.txt?x=12341dab900000
console output: https://syzkaller.appspot.com/x/log.txt?x=14341dab900000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+ef4ca92d9d6f5ba2f880@syzkaller.appspotmail.com
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
------------[ cut here ]------------
WARNING: CPU: 0 PID: 72 at net/mac80211/sta_info.c:529 sta_info_insert_check net/mac80211/sta_info.c:529 [inline]
WARNING: CPU: 0 PID: 72 at net/mac80211/sta_info.c:529 sta_info_insert_rcu+0x27a/0x2ba0 net/mac80211/sta_info.c:707
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 72 Comm: kworker/u4:3 Not tainted 5.9.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy4 ieee80211_iface_work
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x198/0x1fd lib/dump_stack.c:118
panic+0x382/0x7fb kernel/panic.c:231
__warn.cold+0x20/0x4b kernel/panic.c:600
report_bug+0x1bd/0x210 lib/bug.c:198
handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234
exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254
asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:529 [inline]
RIP: 0010:sta_info_insert_rcu+0x27a/0x2ba0 net/mac80211/sta_info.c:707
Code: 24 e8 3a 79 b8 f9 0f b6 85 50 ff ff ff 31 ff 83 e0 01 41 89 c7 89 c6 e8 44 75 b8 f9 45 84 ff 0f 84 c5 00 00 00 e8 16 79 b8 f9 <0f> 0b 41 bd ea ff ff ff e8 09 79 b8 f9 48 8b bd 30 ff ff ff e8 ed
RSP: 0018:ffffc90001017958 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888093338c00 RCX: ffffffff87bdc51c
RDX: ffff8880a9394040 RSI: ffffffff87bdc52a RDI: 0000000000000001
RBP: ffffc90001017aa0 R08: 0000000000000000 R09: ffff88809333925f
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000500177e9
R13: ffff8880a8916048 R14: ffff8880a8916000 R15: 0000000000000001
ieee80211_ibss_finish_sta+0x212/0x390 net/mac80211/ibss.c:592
ieee80211_ibss_work+0x2c7/0xe80 net/mac80211/ibss.c:1699
ieee80211_iface_work+0x7d2/0x8f0 net/mac80211/iface.c:1438
process_one_work+0x94c/0x1670 kernel/workqueue.c:2269
worker_thread+0x64c/0x1120 kernel/workqueue.c:2415
kthread+0x3b5/0x4a0 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Kernel Offset: disabled
Rebooting in 86400 seconds..
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
syzbot can test patches for this issue, for details see:
https://goo.gl/tpsmEJ#testing-patches
next reply other threads:[~2020-09-24 9:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-24 9:26 syzbot [this message]
2021-11-06 16:09 ` [syzbot] WARNING in sta_info_insert_rcu syzbot
2021-11-08 1:12 ` YueHaibing
-- strict thread matches above, loose matches on Subject: below --
2021-09-15 2:16 Hao Sun
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=0000000000004d87c705b00bcb0a@google.com \
--to=syzbot+ef4ca92d9d6f5ba2f880@syzkaller.appspotmail.com \
--cc=davem@davemloft.net \
--cc=johannes@sipsolutions.net \
--cc=kuba@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=syzkaller-bugs@googlegroups.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.