linux-kernel - Re: [syzbot] [kernfs?] INFO: task hung in do

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Message-ID: <6722169e.050a0220.35b515.001a.GAE@google.com>
Date: Wed, 30 Oct 2024 04:21:02 -0700
From: syzbot <syzbot+a8cdfe2d8ad35db3a7fd@...kaller.appspotmail.com>
To: hdanton@...a.com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [kernfs?] INFO: task hung in do_coredump (3)

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: { P1029 } 3639 jiffies s: 9185 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):

Tested on:

commit:         c1e939a2 Merge tag 'cgroup-for-6.12-rc5-fixes' of git:..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1408e540580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=1940f73a609bb874
dashboard link: https://syzkaller.appspot.com/bug?extid=a8cdfe2d8ad35db3a7fd
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1620e540580000