0ee5a5577c
As many other ASan tests already, has to disable these failing tests on arm, armhf and aarch64 configs. Differential Revision: https://reviews.llvm.org/D44404 llvm-svn: 328849
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
// RUN: %clangxx_asan %s -o %t
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// RUN: ASAN_OPTIONS=allocator_may_return_null=0 not %run %t m1 2>&1 | FileCheck %s
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// RUN: ASAN_OPTIONS=allocator_may_return_null=1 %run %t m1 2>&1
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// RUN: ASAN_OPTIONS=allocator_may_return_null=0 not %run %t psm1 2>&1 | FileCheck %s
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// RUN: ASAN_OPTIONS=allocator_may_return_null=1 %run %t psm1 2>&1
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// UNSUPPORTED: freebsd, android
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// REQUIRES: stable-runtime
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// Checks that pvalloc overflows are caught. If the allocator is allowed to
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// return null, the errno should be set to ENOMEM.
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#include <assert.h>
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#include <errno.h>
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#include <malloc.h>
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#include <stdint.h>
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#include <string.h>
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#include <unistd.h>
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int main(int argc, char *argv[]) {
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void *p;
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size_t page_size;
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assert(argc == 2);
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page_size = sysconf(_SC_PAGESIZE);
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if (!strcmp(argv[1], "m1")) {
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p = pvalloc((uintptr_t)-1);
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assert(!p);
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assert(errno == ENOMEM);
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}
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if (!strcmp(argv[1], "psm1")) {
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p = pvalloc((uintptr_t)-(page_size - 1));
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assert(!p);
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assert(errno == ENOMEM);
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}
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return 0;
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}
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// CHECK: {{ERROR: AddressSanitizer: pvalloc parameters overflow: size .* rounded up to system page size .* cannot be represented in type size_t}}
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// CHECK: {{#0 0x.* in .*pvalloc}}
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// CHECK: {{#1 0x.* in main .*pvalloc-overflow.cc:}}
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// CHECK: SUMMARY: AddressSanitizer: pvalloc-overflow
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