65de57150e
Make sure MSan doesn't miss a bug comparing two integers with defined low bits. llvm-svn: 302788
23 lines
466 B
C
23 lines
466 B
C
// Regression test for https://bugs.llvm.org/show_bug.cgi?id=32842
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//
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// RUN: %clang_msan -g %s -o %t
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// RUN: not %run %t 2>&1 | FileCheck %s
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struct iphdr {
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unsigned char pad1: 2, ihl:4, pad2: 2;
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};
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int raw_send_hdrinc(unsigned long int length) {
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struct iphdr iph;
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if (iph.ihl * 4 > length) {
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return 1;
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}
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return 0;
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}
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int main(int argc, char *argv[]) {
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return raw_send_hdrinc(12);
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}
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// CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
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