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Re: [patch] git: fix 1-byte overflow in show-files.c

From
IMIngo Molnar <mingo@elte.hu>
Date
Apr 18, 2005, 08:28 UTC
Message-ID
<20050418082827.GA21612@elte.hu>
In-Reply-To
<20050417235920.GY1461@pasky.ji.cz>
* Petr Baudis <pasky@ucw.cz> wrote:
Show 13 quoted lines
> > will attempt to append a "/" string to the directory name - resulting in 
> > a 1-byte overflow (a zero byte is written to offset 4097, which is 
> > outside the array).
> 
> The name ends precisely at offset 4095 with its NUL character:
> 
>      {PATH_MAX}
>      Maximum number of bytes in a pathname, including the terminating
> null character.
> [ http://www.opengroup.org/onlinepubs/009695399/basedefs/limits.h.html ]
> 
> So, if I'm not mistaken, '/' will be written at offset 4095 instead of 
> the NUL and the NUL will be written at 4096. Everything's fine, right?
yeah, you are right - ignore this patch.
	Ingo
Previous: Petr BaudisNext: Ingo Molnar
Message 12 of 22 in “git: fix memory leak in checkout-cache.c”
  1. git: fix memory leak in checkout-cache.cIngo Molnar, Apr 14, 2005
  2. git: fix memory leak #2 in checkout-cache.cIngo Molnar, Apr 14, 2005
  3. git: cleanup in ls-tree.cIngo Molnar, Apr 14, 2005
  4. git: fix memory leaks in read-tree.cIngo Molnar, Apr 14, 2005
  5. git: fix rare memory leak in rev-tree.cIngo Molnar, Apr 14, 2005
  6. git: report parse_commit() errors in rev-tree.cIngo Molnar, Apr 14, 2005
  7. git: fix memory leak in show-diff.cIngo Molnar, Apr 14, 2005
  8. git: fix overflow in update-cache.cIngo Molnar, Apr 14, 2005
  9. cleanup: read_sha1_file() -> malloc_read_sha1_file()Ingo Molnar, Apr 14, 2005
  10. git: fix 1-byte overflow in show-files.cIngo Molnar, Apr 14, 2005
  11. Petr BaudisApr 17, 2005
  12. Ingo MolnarApr 18, 2005
  13. git: fix memory leaks in update-cache.cIngo Molnar, Apr 14, 2005
  14. git: clean up add_file_to_cache() in update-cache.cIngo Molnar, Apr 14, 2005
  15. git: fix memory leak #3 in update-cache.cIngo Molnar, Apr 14, 2005
  16. git: fix memory leaks in read-cache.cIngo Molnar, Apr 14, 2005
  17. git: fix memory leak #2 in read-cache.cIngo Molnar, Apr 14, 2005
  18. Ingo MolnarApr 14, 2005
  19. Martin SchlemmerApr 14, 2005
  20. Linus TorvaldsApr 14, 2005
  21. Ingo MolnarApr 14, 2005
  22. git: fix memory leak in write-tree.cIngo Molnar, Apr 14, 2005

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