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From: Kari Argillander <kari.argillander@gmail.com>
To: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Cc: ntfs3@lists.linux.dev, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH] fs/ntfs3: Check for NULL if ATTR_EA_INFO is incorrect
Date: Wed, 29 Sep 2021 20:44:41 +0300	[thread overview]
Message-ID: <20210929174441.qshpp5ukuszb7cf5@kari-VirtualBox> (raw)
In-Reply-To: <227c13e3-5a22-0cba-41eb-fcaf41940711@paragon-software.com>

On Wed, Sep 29, 2021 at 07:35:43PM +0300, Konstantin Komarov wrote:
> This can be reason for reported panic.

Is this public panic? If it is then put link here. If you have report
from panic you can put it here also. Patch itself looks correct.

> Fixes: 4342306f0f0d ("fs/ntfs3: Add file operations and implementation")
> 
> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
> ---
>  fs/ntfs3/frecord.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c
> index 9a53f809576d..007602badd90 100644
> --- a/fs/ntfs3/frecord.c
> +++ b/fs/ntfs3/frecord.c
> @@ -3080,7 +3080,9 @@ static bool ni_update_parent(struct ntfs_inode *ni, struct NTFS_DUP_INFO *dup,
>                         const struct EA_INFO *info;
>  
>                         info = resident_data_ex(attr, sizeof(struct EA_INFO));
> -                       dup->ea_size = info->size_pack;
> +                       /* If ATTR_EA_INFO exists 'info' can't be NULL. */
> +                       if (info)
> +                               dup->ea_size = info->size_pack;
>                 }
>         }
>  
> -- 
> 2.33.0
> 

  reply	other threads:[~2021-09-29 17:44 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-29 16:35 Konstantin Komarov
2021-09-29 17:44 ` Kari Argillander [this message]
2021-10-03 17:50 ` Kari Argillander
2021-10-04 20:39   ` Mohammad Rasim
2021-10-06 14:47     ` Konstantin Komarov
2021-10-06 17:42       ` Mohammad Rasim
2021-10-11 16:55         ` Konstantin Komarov
2021-10-11 20:56           ` Mohammad Rasim
2021-10-06 14:51   ` Konstantin Komarov

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