49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
#include "test/jemalloc_test.h"
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TEST_BEGIN(test_overflow)
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{
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unsigned nlextents;
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size_t mib[4];
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size_t sz, miblen, max_size_class;
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void *p;
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sz = sizeof(unsigned);
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assert_d_eq(mallctl("arenas.nlextents", (void *)&nlextents, &sz, NULL,
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0), 0, "Unexpected mallctl() error");
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miblen = sizeof(mib) / sizeof(size_t);
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assert_d_eq(mallctlnametomib("arenas.lextent.0.size", mib, &miblen), 0,
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"Unexpected mallctlnametomib() error");
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mib[2] = nlextents - 1;
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sz = sizeof(size_t);
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assert_d_eq(mallctlbymib(mib, miblen, (void *)&max_size_class, &sz,
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NULL, 0), 0, "Unexpected mallctlbymib() error");
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assert_ptr_null(malloc(max_size_class + 1),
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"Expected OOM due to over-sized allocation request");
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assert_ptr_null(malloc(SIZE_T_MAX),
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"Expected OOM due to over-sized allocation request");
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assert_ptr_null(calloc(1, max_size_class + 1),
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"Expected OOM due to over-sized allocation request");
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assert_ptr_null(calloc(1, SIZE_T_MAX),
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"Expected OOM due to over-sized allocation request");
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p = malloc(1);
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assert_ptr_not_null(p, "Unexpected malloc() OOM");
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assert_ptr_null(realloc(p, max_size_class + 1),
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"Expected OOM due to over-sized allocation request");
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assert_ptr_null(realloc(p, SIZE_T_MAX),
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"Expected OOM due to over-sized allocation request");
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free(p);
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}
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TEST_END
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int
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main(void)
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{
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return (test(
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test_overflow));
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}
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