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From: Al Viro <viro@zeniv.linux.org.uk>
To: Dan Carpenter <dan.carpenter@linaro.org>
Cc: oe-kbuild@lists.linux.dev, lkp@intel.com,
	oe-kbuild-all@lists.linux.dev, linux-fsdevel@vger.kernel.org
Subject: Re: [viro-vfs:work.fdtable 13/13] kernel/fork.c:3242 unshare_fd() warn: passing a valid pointer to 'PTR_ERR'
Date: Tue, 13 Aug 2024 19:16:00 +0100	[thread overview]
Message-ID: <20240813181600.GK13701@ZenIV> (raw)
In-Reply-To: <020d5bd0-2fae-481f-bc82-88e71de1137c@stanley.mountain>

On Tue, Aug 13, 2024 at 11:00:04AM +0300, Dan Carpenter wrote:
> 3f4b0acefd818e Al Viro           2024-08-06  3240  		if (IS_ERR(*new_fdp)) {
> 3f4b0acefd818e Al Viro           2024-08-06  3241  			*new_fdp = NULL;
> 3f4b0acefd818e Al Viro           2024-08-06 @3242  			return PTR_ERR(new_fdp);
>                                                                                ^^^^^^^^^^^^^^^^
> 	err = PTR_ERR(*new_fdp);
> 	*new_fdp = NULL;
> 	return err;

Argh...  Obvious braino, but what it shows is that failures of that
thing are not covered by anything in e.g. LTP.  Or in-kernel
self-tests, for that matter...

  reply	other threads:[~2024-08-13 18:16 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-13  8:00 [viro-vfs:work.fdtable 13/13] kernel/fork.c:3242 unshare_fd() warn: passing a valid pointer to 'PTR_ERR' Dan Carpenter
2024-08-13 18:16 ` Al Viro [this message]
2024-08-14  1:03   ` Al Viro
2024-08-21  6:38     ` Shuah Khan
2024-08-22  0:15       ` Al Viro
2024-08-22  4:12         ` Shuah Khan
  -- strict thread matches above, loose matches on Subject: below --
2024-08-13  1:11 kernel test robot

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