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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Muhammad Usama Anjum <musamaanjum@gmail.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@kernel.org>, Miroslav Benes <mbenes@suse.cz>,
	Borislav Petkov <bp@suse.de>,
	open list <linux-kernel@vger.kernel.org>,
	kernel-janitors@vger.kernel.org, colin.king@canonical.com
Subject: Re: [PATCH] objtool: prevent memory leak in error paths
Date: Wed, 14 Apr 2021 11:47:09 +0300	[thread overview]
Message-ID: <20210414084709.GT6021@kadam> (raw)
In-Reply-To: <20210413204511.GA664936@LEGION>

On Wed, Apr 14, 2021 at 01:45:11AM +0500, Muhammad Usama Anjum wrote:
> Memory allocated by sym and sym->name isn't being freed if some error
> occurs in elf_create_undef_symbol(). Free the sym and sym->name if error
> is detected before returning NULL.
> 
> Addresses-Coverity: ("Prevent memory leak")
> Fixes: 2f2f7e47f052 ("objtool: Add elf_create_undef_symbol()")
> Signed-off-by: Muhammad Usama Anjum <musamaanjum@gmail.com>
> ---
> Only build has been tested.
> 

Just ignore leaks from the tools/ directory.  These things run and then
exit and all the memory is freed.  #OldSchoolGarbageCollector

regards,
dan carpenter


  parent reply	other threads:[~2021-04-14  8:47 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-13 20:45 [PATCH] objtool: prevent memory leak in error paths Muhammad Usama Anjum
2021-04-14  7:21 ` Peter Zijlstra
2021-04-14  8:47 ` Dan Carpenter [this message]
2021-04-15  7:24   ` Peter Zijlstra
2021-04-19 17:15     ` Arnaldo Carvalho de Melo

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