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Bug #4580

closed

Task #5682: tracking: smb performance issues

smb: large streams can cause large memory moves (memmove)

Added by Jeff Lucovsky over 3 years ago. Updated almost 2 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Target version:
Affected Versions:
Effort:
Difficulty:
Label:

Description

Large SMB streams can cause Suricata to move large chunks of memory (multi-tens of megabytes and higher) to make room for newly inbound packets. This seems to happen most often when there are gaps in the stream for which packets arrive later.


Related issues 2 (0 open2 closed)

Related to Suricata - Security #5712: tcp: crafted packets lead to resource starvationClosedVictor JulienActions
Related to Suricata - Security #5700: SCRealloc of large chunk crashes SuricataClosedVictor JulienActions
Actions #1

Updated by Victor Julien about 2 years ago

  • Status changed from New to In Progress
  • Assignee set to Victor Julien
  • Target version set to TBD

I have some work in progress to try to address it. Need to refresh it.

Actions #2

Updated by Victor Julien about 2 years ago

  • Subject changed from Large SMB streams can cause large memory moves to smb: large streams can cause large memory moves (memmove)
Actions #3

Updated by Victor Julien about 2 years ago

  • Target version changed from TBD to 8.0.0-beta1
  • Parent task set to #5682
Actions #4

Updated by Victor Julien about 2 years ago

  • Priority changed from Normal to High
Actions #5

Updated by Victor Julien about 2 years ago

  • Related to Security #5712: tcp: crafted packets lead to resource starvation added
Actions #6

Updated by Victor Julien about 2 years ago

  • Target version changed from 8.0.0-beta1 to 7.0.0-rc1
Actions #7

Updated by Victor Julien almost 2 years ago

  • Related to Security #5700: SCRealloc of large chunk crashes Suricata added
Actions #8

Updated by Victor Julien almost 2 years ago

  • Status changed from In Progress to Closed
  • Priority changed from High to Normal
Actions

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