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43 lines
799 B
C
43 lines
799 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <pthread.h>
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void break_here() {}
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int main() {
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void* allocs[6] = {0};
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allocs[0] = malloc(10);
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allocs[1] = malloc(10);
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break_here();
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allocs[2] = malloc(40);
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break_here();
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free(allocs[1]);
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break_here();
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allocs[3] = malloc(0x1000);
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allocs[4] = malloc(0x2000);
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free(allocs[3]);
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break_here();
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// mock overflow changing the chunk size
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memset(allocs[0] - sizeof(void*), 'A', 8);
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break_here();
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// We do not really need it for our test
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// but we need it so that our CI test pass can get TLS variables
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// See:
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// - https://github.com/pwndbg/pwndbg/pull/1086
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// - https://sourceware.org/bugzilla/show_bug.cgi?id=24548
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pthread_create(0,0,0,0);
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}
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