On Wed, Sep 29, 2021 at 07:35:43PM +0300, Konstantin Komarov wrote:
> This can be reason for reported panic.
> Fixes: 4342306f0f0d ("fs/ntfs3: Add file operations and implementation")
I see that you have include this to devel branch but you did not send V2
[1]. I also included Mohammad Rasim to this thread. Maybe they can test
this patch. Rasim can you test [2] if your problem will be fixed with
this tree. Or just test this patch if you prefer that way.
[1]: github.com/Paragon-Software-Group/linux-ntfs3/commit/35afb70dcfe4eb445060dd955e5b67d962869ce5
[2]: github.com/Paragon-Software-Group/linux-ntfs3/tree/devel
> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
> ---
> 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
>
