syzbot
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to da...@davemloft.net, johann...@intel.com, joha...@sipsolutions.net, ku...@kernel.org, linux-...@vger.kernel.org, linux-w...@vger.kernel.org, net...@vger.kernel.org, syzkall...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: bf3e7628 Merge branch 'mtd/fixes' of git://
git.kernel.org/..
git tree: upstream
console output:
https://syzkaller.appspot.com/x/log.txt?x=16d76e2a500000
kernel config:
https://syzkaller.appspot.com/x/.config?x=e791ddf0875adf65
dashboard link:
https://syzkaller.appspot.com/bug?extid=b7aeb9318541a1c709f1
compiler: clang version 11.0.0 (
https://github.com/llvm/llvm-project.git ca2dcbd030eadbf0aa9b660efe864ff08af6e18b)
syz repro:
https://syzkaller.appspot.com/x/repro.syz?x=14df611a500000
The issue was bisected to:
commit dcd479e10a0510522a5d88b29b8f79ea3467d501
Author: Johannes Berg <
johann...@intel.com>
Date: Fri Oct 9 12:17:11 2020 +0000
mac80211: always wind down STA state
bisection log:
https://syzkaller.appspot.com/x/bisect.txt?x=1218ff14500000
final oops:
https://syzkaller.appspot.com/x/report.txt?x=1118ff14500000
console output:
https://syzkaller.appspot.com/x/log.txt?x=1618ff14500000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by:
syzbot+b7aeb9...@syzkaller.appspotmail.com
Fixes: dcd479e10a05 ("mac80211: always wind down STA state")
BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 35, name: kworker/u4:2
4 locks held by kworker/u4:2/35:
#0: ffff88802af11138 ((wq_completion)phy4){+.+.}-{0:0}, at: process_one_work+0x6f4/0xfc0 kernel/workqueue.c:2245
#1: ffffc90000e0fd80 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x733/0xfc0 kernel/workqueue.c:2247
#2: ffff88802f27cd00 (&wdev->mtx){+.+.}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1021 [inline]
#2: ffff88802f27cd00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x4e/0x1450 net/mac80211/ibss.c:1683
---
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
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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