Ross Lagerwall <[email protected]> added the comment: Updated patch removes the race condition. Since an open follows symlinks, you can't just fstat the fd to see if it is a link. I followed the following to overcome this: https://www.securecoding.cert.org/confluence/display/seccode/POS35-C.+Avoid+race+conditions+while+checking+for+the+existence+of+a+symbolic+link
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