Using the below testcase, running the program under valgrind 3.6.1 fails with ENOMEM. I am using the openSUSE Factory package (there are some patches in there[1]).
[1] https://build.opensuse.org/package/files?package=valgrind&project=openSUSE:Factory --- #define _GNU_SOURCE 1 #include <sys/mman.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> int main(void) { char buf[256]; void *area = mmap((void *)0x10000000, 4096, PROT_READ|PROT_WRITE, MAP_ANONYMOUS|MAP_PRIVATE,0,0); printf("area= %p\n", area); strcpy(area, "Hello World"); void *a2 = mremap((void *)0x10000000, 4096, 40960, 0); if (a2 == MAP_FAILED) { perror("mremap"); abort(); } printf("area= %p\n", a2); printf("%s\n", a2); snprintf(buf, sizeof(buf), "cat /proc/%u/maps", getpid()); system(buf); return 0; } ------------------------------------------------------------------------------ All of the data generated in your IT infrastructure is seriously valuable. Why? It contains a definitive record of application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-d2d-c2 _______________________________________________ Valgrind-users mailing list Valgrind-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/valgrind-users
