APPLIED: [SRU][P/N/J:linux-azure][PATCH 0/1] Backporting Linux CIFS dentry leak fix: Avoid race in open_cached_dir with lease breaks

John Cabaj john.cabaj at canonical.com
Tue Aug 5 19:29:09 UTC 2025


On 7/22/25 5:15 PM, John Cabaj wrote:
> BugLink: https://bugs.launchpad.net/bugs/2117524
> 
> SRU Justification
> 
> [Impact]
> 
> * Microsoft requested patch to fix race condition in open_cached_dir
> 
> [Fix]
> 
> * Plucky and Noble: clean cherry-pick of 3ca02e63edcc: "smb: client: Avoid race in open_cached_dir with lease breaks" upstream
> * Jammy: backport of 3ca02e63edcc: "smb: client: Avoid race in open_cached_dir with lease breaks" upstream
> 
> [Test Plan]
> 
> * Compile tested
> 
> [Regression potential]
> 
> * Changes are localized to CIFS/SMB and already upstream. Possible regressions could result in unexpected behavior of CIFS driver.
> 
> [Other info]
> 
> * SF#00413079
> 
> Paul Aurich (1):
>    smb: client: Avoid race in open_cached_dir with lease breaks
> 
>   fs/smb/client/cached_dir.c | 10 ++--------
>   1 file changed, 2 insertions(+), 8 deletions(-)
> 

Applied to Noble and Jammy linux-azure master-next branches.


Thanks,
j-c



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