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Code Block
languagebash
themeEmacs
titleAddress Sanitizer: heap use after free
==162==ERROR: AddressSanitizer: heap-use-after-free on address 0x607000000025 at pc 0x0000004c317b bp 0x7ffccaf1d220 sp 0x7ffccaf1d218
READ of size 1 at 0x607000000025 thread T0
    #0 0x4c317a in main (/mnt/c/Users/Pascal/netdef/a.out+0x4c317a)
    #1 0x7f60f59e00b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2)
    #2 0x41b2dd in _start (/mnt/c/Users/Pascal/netdef/a.out+0x41b2dd)

0x607000000025 is located 5 bytes inside of 80-byte region [0x607000000020,0x607000000070)
freed by thread T0 here:
    #0 0x49379d in free (/mnt/c/Users/Pascal/netdef/a.out+0x49379d)
    #1 0x4c3135 in main (/mnt/c/Users/Pascal/netdef/a.out+0x4c3135)
    #2 0x7f60f59e00b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2)

previously allocated by thread T0 here:
    #0 0x493a1d in malloc (/mnt/c/Users/Pascal/netdef/a.out+0x493a1d)
    #1 0x4c3128 in main (/mnt/c/Users/Pascal/netdef/a.out+0x4c3128)
    #2 0x7f60f59e00b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2)

SUMMARY: AddressSanitizer: heap-use-after-free (/mnt/c/Users/Pascal/netdef/a.out+0x4c317a) in main


Code Block
languagecpp
themeEmacs
titlememory-leak.c
#include <stdlib.h>
int main(void) {
   int *data = malloc(sizeof(int));
   return 0;
}

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