Re: [PATCH 6.1.y] fs/ntfs3: Fixed overflow check in mi_enum_attr()

[Sasha Levin <sashal@kernel.org>]

[ Sasha's backport helper bot ]

Hi,

The upstream commit SHA1 provided is correct: 652cfeb43d6b9aba5c7c4902bed7a7340df131fb

WARNING: Author mismatch between patch and upstream commit:
Backport author: <jianqi.ren.cn@windriver.com>
Commit author: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>


Status in newer kernel trees:
6.12.y | Present (exact SHA1)
6.6.y | Present (different SHA1: 8c77398c7261)
6.1.y | Present (different SHA1: be684526fad4)

Note: The patch differs from the upstream commit:
---
1:  652cfeb43d6b9 ! 1:  77aacf84111d3 fs/ntfs3: Fixed overflow check in mi_enum_attr()
    @@ Metadata
      ## Commit message ##
         fs/ntfs3: Fixed overflow check in mi_enum_attr()
     
    +    [ Upstream commit 652cfeb43d6b9aba5c7c4902bed7a7340df131fb ]
    +
         Reported-by: Robert Morris <rtm@csail.mit.edu>
         Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
    +    Signed-off-by: Sasha Levin <sashal@kernel.org>
    +    Signed-off-by: Jianqi.ren.cn@windriver.com <jianqi.ren.cn@windriver.com>
     
      ## fs/ntfs3/record.c ##
     @@ fs/ntfs3/record.c: struct ATTRIB *mi_enum_attr(struct mft_inode *mi, struct ATTRIB *attr)
    @@ fs/ntfs3/record.c: struct ATTRIB *mi_enum_attr(struct mft_inode *mi, struct ATTR
     +		if (le32_to_cpu(attr->res.data_size) > asize - t16)
      			return NULL;
      
    - 		t32 = sizeof(short) * attr->name_len;
    + 		if (attr->name_len &&
---

Results of testing on various branches:

| Branch                    | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| stable/linux-6.1.y        |  Success    |  Success   |