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Message-ID: <000000000000bd587705ef202b08@google.com>
Date: Mon, 05 Dec 2022 19:12:15 -0800
From: syzbot <syzbot+912776840162c13db1a3@...kaller.appspotmail.com>
To: david@...morbit.com, djwong@...nel.org,
linux-kernel@...r.kernel.org, linux-xfs@...r.kernel.org,
syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KASAN: use-after-free Read in xfs_qm_dqfree_one
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
INFO: rcu detected stall in corrupted
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P4122 } 2641 jiffies s: 2877 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):
Tested on:
commit: bce93322 proc: proc_skip_spaces() shouldn't think it i..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=1566216b880000
kernel config: https://syzkaller.appspot.com/x/.config?x=d58e7fe7f9cf5e24
dashboard link: https://syzkaller.appspot.com/bug?extid=912776840162c13db1a3
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
patch: https://syzkaller.appspot.com/x/patch.diff?x=164cad83880000
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