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agrep-fix-double-free.patch

agrep-fix-double-free.patch 779 B
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  1. Author: Stefan Weil <sw@weilnetz.de>
    2. 

  2. Description: Fix crash caused by double free
    3. 

  3. Bug-Debian: https://bugs.debian.org/869220
    4. 

  4. Forwarded: https://github.com/Wikinaut/agrep/pull/13
    5. 

  5. 

  6. --- a/agrep/asearch.c
    7. 

  7. +++ b/agrep/asearch.c
    8. 

  8. @@ -254,7 +254,6 @@ Nextchar1file:
    9. 

  9.  					{ 
    10. 

  10.  						if(FILENAMEONLY && (NEW_FILE || !POST_FILTER)) {
    11. 

  11.  							num_of_matched++;
    12. 

  12. -							free_buf(text, buffer);
    13. 

  13.  
    14. 

  14.  							if (agrep_finalfp != NULL)
    15. 

  15.  								fprintf(agrep_finalfp, "%s", CurrentFileName);
    16. 

  16. --- a/agrep/sgrep.c
    17. 

  17. +++ b/agrep/sgrep.c
    18. 

  18. @@ -1079,7 +1079,9 @@ register CHARTYPE *text, *textend, *pat,
    19. 

  19.  	CHARTYPE *lastout = text;
    20. 

  20.  	int newlen;
    21. 

  21.  
    22. 

  22. -	Candidate[0][0] = Candidate[0][1] = 0; 
    23. 

  23. +	Candidate[0][0] = 0;
    24. 

  24. +	Candidate[0][1] = 0;
    25. 

  25. +	Candidate[1][0] = 0;
    26. 

  26.  	d1 = shift_1;
    27. 

  27.  	cdx = 0;
    28. 

  28.  	if(m < 3) r1 = m;
    29.