986ceae7c5
Per the man page, PR_GET_NAME stores a null terminated string into the input `char name[16]`. This also adds prctl support in ASAN to detect freed memory being passed to `prctl(PR_GET_NAME, ...)`:
24 lines
450 B
C++
24 lines
450 B
C++
// RUN: %clangxx_msan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
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#include <linux/prctl.h>
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#include <sys/prctl.h>
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int main(void) {
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prctl(PR_SET_NAME, "tname");
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char name[16];
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prctl(PR_GET_NAME, name);
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if (name[0] == 'A') {
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return 0;
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}
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if (name[5] != '\0') {
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return 0;
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}
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if (name[6] != '\0') {
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return 0;
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}
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// CHECK: SUMMARY: MemorySanitizer: use-of-uninitialized-value {{.*prctl.cpp}}:[[@LINE-3]]
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return 0;
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}
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