| 1 | // RUN: %clang_scudo %s -o %t |
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| 2 | // RUN: %run %t 2>&1 |
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| 3 | |
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| 4 | // Verifies that calling malloc in a preinit_array function succeeds, and that |
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| 5 | // the resulting pointer can be freed at program termination. |
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| 6 | |
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| 7 | // On some Android versions, calling mmap() from a preinit function segfaults. |
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| 8 | // It looks like __mmap2.S ends up calling a NULL function pointer. |
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| 9 | // UNSUPPORTED: android |
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| 10 | |
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| 11 | #include <assert.h> |
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| 12 | #include <stdlib.h> |
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| 13 | #include <string.h> |
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| 14 | |
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| 15 | static void *global_p = NULL; |
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| 16 | |
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| 17 | void __init(void) { |
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| 18 | global_p = malloc(size: 1); |
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| 19 | if (!global_p) |
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| 20 | exit(status: 1); |
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| 21 | } |
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| 22 | |
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| 23 | void __fini(void) { |
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| 24 | if (global_p) |
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| 25 | free(ptr: global_p); |
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| 26 | } |
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| 27 | |
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| 28 | int main(int argc, char **argv) { |
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| 29 | void *p = malloc(size: 1); |
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| 30 | assert(p); |
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| 31 | free(ptr: p); |
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| 32 | |
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| 33 | return 0; |
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| 34 | } |
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| 35 | |
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| 36 | __attribute__((section(".preinit_array" ), used)) void (*__local_preinit)(void) = __init; |
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| 37 | __attribute__((section(".fini_array" ), used)) void (*__local_fini)(void) = __fini; |
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| 38 | |
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