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i4l-base
isdn4k-utils-initialize-memory.patch
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File isdn4k-utils-initialize-memory.patch of Package i4l-base
Author: Bernhard M. Wiedemann <bwiedemann suse de> Date: 2017-11-07 initialize array to avoid undefined memory being used to decide what gets written to the database output file https://bugzilla.opensuse.org/show_bug.cgi?id=1066797 Index: isdn4k-utils/isdnlog/tools/zone/mkzonedb.c =================================================================== --- isdn4k-utils.orig/isdnlog/tools/zone/mkzonedb.c +++ isdn4k-utils/isdnlog/tools/zone/mkzonedb.c @@ -100,6 +100,7 @@ static void read_rzfile(char *rf) { fprintf(stderr, "Out of mem\n"); exit(EXIT_FAILURE); } + memset(numbers, 0, (maxnum+1)*sizeof(int)); n=i=keylen=keydigs=0; if (verbose) printf("Reading %s\n", rf); @@ -139,11 +140,12 @@ static void read_rzfile(char *rf) { if (to > keylen) keylen=to; if(to>maxnum) { - maxnum=to; - if ((numbers = realloc(numbers,(maxnum+1)*sizeof(int))) == 0) { + if ((numbers = realloc(numbers,(to+1)*sizeof(int))) == 0) { fprintf(stderr, "Out of mem\n"); exit(EXIT_FAILURE); } + memset(numbers+maxnum+1, 0, (to-maxnum)*sizeof(int)); + maxnum=to; } numbers[to]++; n++;
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