linux-kernel - Re: [syzbot] [overlayfs] possible deadlock in ovl_copy_up

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Date: Mon, 27 May 2024 14:36:05 -0700
From: syzbot <syzbot+85e58cdf5b3136471d4b@...kaller.appspotmail.com>
To: amir73il@...il.com, brauner@...nel.org, clm@...com, dsterba@...e.com, 
	jack@...e.cz, josef@...icpanda.com, linux-btrfs@...r.kernel.org, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-unionfs@...r.kernel.org, miklos@...redi.hu, mszeredi@...hat.com, 
	syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: [syzbot] [overlayfs] possible deadlock in ovl_copy_up_flags

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+85e58cdf5b3136471d4b@...kaller.appspotmail.com

Tested on:

commit:         f74ee925 ovl: tmpfile copy-up fix
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs.git
console output: https://syzkaller.appspot.com/x/log.txt?x=142c4e2c980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=b9016f104992d69c
dashboard link: https://syzkaller.appspot.com/bug?extid=85e58cdf5b3136471d4b
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.