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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2020/06/28 19:14:12 UTC

[GitHub] [incubator-nuttx] btashton opened a new pull request #1316: mm: Do not memcopy more than oldsize when realloc

btashton opened a new pull request #1316:
URL: https://github.com/apache/incubator-nuttx/pull/1316


   ## Summary
   When realloc up from a mem area to a larger one where a new node
   is needed. The the larger memory region is copied from the source
   this can both leak data as well as cause memory faults accesssing
   invalid data.
   
   This was first reported by Kwonsk
   
   Signed-off-by: Brennan Ashton <ba...@brennanashton.com>
   
   ## Testing
   the sim:ostest configuration was run
   
   


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[GitHub] [incubator-nuttx] btashton commented on pull request #1316: mm: Do not memcopy more than oldsize when realloc

Posted by GitBox <gi...@apache.org>.
btashton commented on pull request #1316:
URL: https://github.com/apache/incubator-nuttx/pull/1316#issuecomment-650809996


   @patacongo could you take a look at this and make sure I did not miss something. It looks correct to me but it is a critical component. 


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[GitHub] [incubator-nuttx] btashton merged pull request #1316: mm: Do not memcopy more than oldsize when realloc

Posted by GitBox <gi...@apache.org>.
btashton merged pull request #1316:
URL: https://github.com/apache/incubator-nuttx/pull/1316


   


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