Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'linux-kselftest-4.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fix from Shuah Khan:
"selftests/exec: Check if the syscall exists and bail if not"
* tag 'linux-kselftest-4.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/exec: Check if the syscall exists and bail if not
+9
-1
+9
-1
tools/testing/selftests/exec/execveat.c
+9
-1
tools/testing/selftests/exec/execveat.c
···
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#ifdef __NR_execveat
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return syscall(__NR_execveat, fd, path, argv, envp, flags);
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#else
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-
errno = -ENOSYS;
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+
errno = ENOSYS;
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return -1;
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#endif
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}
···
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int fd_script_ephemeral = open_or_die("script.ephemeral", O_RDONLY);
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int fd_cloexec = open_or_die("execveat", O_RDONLY|O_CLOEXEC);
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int fd_script_cloexec = open_or_die("script", O_RDONLY|O_CLOEXEC);
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+
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/* Check if we have execveat at all, and bail early if not */
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errno = 0;
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execveat_(-1, NULL, NULL, NULL, 0);
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if (errno == ENOSYS) {
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printf("[FAIL] ENOSYS calling execveat - no kernel support?\n");
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return 1;
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+
}
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/* Change file position to confirm it doesn't affect anything */
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lseek(fd, 10, SEEK_SET);