ACK: [SRU][Q/N:linux-azure][PATCH 0/2 v2] Backporting critical SMB client fixes to affected Ubuntu distros

[Vinicius Peixoto]

On Tue Apr 7, 2026 at 12:37 PM -03, John Cabaj wrote:
> BugLink: https://bugs.launchpad.net/bugs/2147347
>
> SRU Justification
>
> [Impact]
>
> * Microsoft requested patches to address potential data corruption issues when network disconnects during extended writes.
>
> [Fix]
> Questing
> * clean cherry-pick of upstream patches:
>   * d78840a6a38d: "smb: client: fix in-place encryption corruption in SMB2_write()"
>   * e3beefd3af09: "cifs: make default value of retrans as zero"
> Noble
> * clean cherry-pick of upstream patch:
>   * d78840a6a38d: "smb: client: fix in-place encryption corruption in SMB2_write()"
> * simple backport of upstream patch:
>   * e3beefd3af09: "cifs: make default value of retrans as zero"
> Jammy
> * Requires additional patches, to be sent by Microsoft
>
> [Test Plan]
>
> * Compile tested
> * Microsoft to test
>
> [Regression potential]
>
> * Patches limited to CIFs. Possible regressions result in unexpected behavior of CIFs driver.
>
> [Other info]
>
> * SF#00432539
>
> ------------------------
>
> v2: Removing Jammy from patch list as Microsoft needs to supply additional patches
>
> Bharath SM (1):
>   smb: client: fix in-place encryption corruption in SMB2_write()
>
> Shyam Prasad N (1):
>   cifs: make default value of retrans as zero
>
>  fs/smb/client/fs_context.c | 2 +-
>  fs/smb/client/smb2pdu.c    | 5 ++++-
>  2 files changed, 5 insertions(+), 2 deletions(-)

Acked-by: Vinicius Peixoto <vinicius.peixoto at canonical.com>