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util: Don't overflow on errno in virFileAccessibleAs
If we need to virFork() to check assess() under different UID+GID we need to translate returned status via WEXITSTATUS(). Otherwise, we may return values greater than 255 which is obviously wrong.
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@ -724,8 +724,13 @@ virFileAccessibleAs(const char *path, int mode,
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return -1;
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return -1;
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}
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}
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if (!WIFEXITED(status)) {
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errno = EINTR;
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return -1;
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}
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if (status) {
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if (status) {
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errno = status;
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errno = WEXITSTATUS(status);
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return -1;
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return -1;
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}
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}
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