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Message-ID: <2023052815-deface-crux-4634@gregkh>
Date: Sun, 28 May 2023 18:51:41 +0100
From: Greg KH <gregkh@...uxfoundation.org>
To: Prince Kumar Maurya <princekumarmaurya06@...il.com>
Cc: skhan@...uxfoundation.org, viro@...iv.linux.org.uk,
brauner@...nel.org, chenzhongjin@...wei.com,
syzkaller-bugs@...glegroups.com,
linux-kernel-mentees@...ts.linuxfoundation.org,
linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Null check to prevent null-ptr-deref bug
On Sun, May 28, 2023 at 10:35:46AM -0700, Prince Kumar Maurya wrote:
> sb_getblk(inode->i_sb, parent) return a null ptr and taking lock on
> that leads to the null-ptr-deref bug.
>
> Signed-off-by: Prince Kumar Maurya <princekumarmaurya06@...il.com>
> ---
> Change since v1: update the commit message.
Your subject: line needs to also be fixed up. Please see the kernel
documentation for how to do this properly.
thanks
greg k-h
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