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- Prevent unintended data exposure by clearing pipe compound padding and

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the response buffer.
 
  - Initialize missing fields in FS_OBJECT_ID_INFORMATION,
    FS_CONTROL_INFORMATION, and FS_POSIX_INFORMATION.
 
  - Propagate DACL parsing and allocation failures so malformed security
    descriptors are rejected.
 
  - Rate-limit errors for unmapped SIDs to prevent kernel log flooding.
 
  - Drain multichannel sessions during LOGOFF, wake deferred locks and
    cancellable requests, and ensure cancellation callbacks run only once.
 
  - Fix listener kthread reference handling and teardown ordering during
    netdevice events.
 
  - Validate normalized-name and IPC share configuration response lengths.
 
  - Update the KSMBD MAINTAINERS entry and add Paulo Alcantara as
    an SMBDIRECT co-maintainer.
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Merge tag 'ksmbd-for-7.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/smb

Pull smb server fixes from Namjae Jeon:

 - Prevent unintended data exposure by clearing pipe compound padding
   and the response buffer

 - Initialize missing fields in FS_OBJECT_ID_INFORMATION,
   FS_CONTROL_INFORMATION, and FS_POSIX_INFORMATION

 - Propagate DACL parsing and allocation failures so malformed security
   descriptors are rejected

 - Rate-limit errors for unmapped SIDs to prevent kernel log flooding

 - Drain multichannel sessions during LOGOFF, wake deferred locks and
   cancellable requests, and ensure cancellation callbacks run only once

 - Fix listener kthread reference handling and teardown ordering during
   netdevice events

 - Validate normalized-name and IPC share configuration response lengths

 - Update the KSMBD MAINTAINERS entry and add Paulo Alcantara as an
   SMBDIRECT co-maintainer

* tag 'ksmbd-for-7.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/smb:
  ksmbd: validate normalized name response length
  ksmbd: fix listener task lifetime on netdev events
  ksmbd: prevent out-of-bounds reads in share config responses
  ksmbd: rate limit unmapped SID errors
  ksmbd: propagate DACL parsing errors
  ksmbd: zero pipe read compound padding
  ksmbd: safely drain sessions during logoff
  MAINTAINERS: Update the KSMBD entry
  MAINTAINERS: Add Paulo Alcantara as an SMBDIRECT co-maintainer
  ksmbd: fill in FileSysIdentifier in FS_POSIX_INFORMATION
  ksmbd: initialize FileSystemControlFlags in FS_CONTROL_INFORMATION
  ksmbd: zero the FS_OBJECT_ID_INFORMATION buffer before filling it in
This commit is contained in:
Linus Torvalds 2026-09-01 08:17:01 -07:00
commit 9a58da8005
11 changed files with 208 additions and 73 deletions
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