From: syzbot <syzbot+5cec30d9329f61f2fb29@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: WARNING: suspicious RCU usage in corrupted
Date: Wed, 09 May 2018 10:03:01 -0700 [thread overview]
Message-ID: <00000000000027f6f6056bc8e0f8@google.com> (raw)
Hello,
syzbot found the following crash on:
HEAD commit: 036db8bd9637 Merge branch 'for-4.17-fixes' of git://git.ke..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=14d187e7800000
kernel config: https://syzkaller.appspot.com/x/.config?x=31f4b3733894ef79
dashboard link: https://syzkaller.appspot.com/bug?extid=5cec30d9329f61f2fb29
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
userspace arch: i386
syzkaller repro:https://syzkaller.appspot.com/x/repro.syz?x=1110de07800000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+5cec30d9329f61f2fb29@syzkaller.appspotmail.com
random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
IPVS: ftp: loaded support on port[0] = 21
=============================
WARNING: suspicious RCU usage
4.17.0-rc4+ #64 Not tainted
-----------------------------
arch/x86/kernel/traps.c:537 entry code didn't wake RCU!
other info that might help us debug this:
RCU used illegally from idle CPU!
rcu_scheduler_active = 2, debug_locks = 1
RCU used illegally from extended quiescent state!
no locks held by swapper/0/0.
stack backtrace:
---
This bug is generated by a bot. It may contain errors.
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next reply other threads:[~2018-05-09 17:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-09 17:03 syzbot [this message]
2019-04-08 15:02 ` Dmitry Vyukov
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