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29 lines
809 B
29 lines
809 B
4 months ago
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// RUN: %clangxx_asan -O0 -g %s -o %t && %env_asan_opts=handle_ioctl=1 not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O3 -g %s -o %t && %env_asan_opts=handle_ioctl=1 not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O0 -g %s -o %t && %run %t
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// RUN: %clangxx_asan -O3 -g %s -o %t && %run %t
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#include <assert.h>
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#include <stdlib.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <unistd.h>
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#if defined(__sun__) && defined(__svr4__)
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#include <sys/filio.h>
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#endif
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int main(int argc, char **argv) {
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int fd = socket(AF_INET, SOCK_DGRAM, 0);
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int nonblock;
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int res = ioctl(fd, FIONBIO, &nonblock + 1);
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// CHECK: AddressSanitizer: stack-buffer-overflow
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// CHECK: READ of size 4 at
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// CHECK: {{#.* in main .*ioctl.cpp:}}[[@LINE-3]]
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assert(res == 0);
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close(fd);
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return 0;
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}
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