Date: Fri, 19 Apr 2002 00:14:26 -0400 (EDT) From: Garrett Wollman <wollman@lcs.mit.edu> To: "J. Mallett" <jmallett@FreeBSD.ORG> Cc: cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/sys/kern kern_descrip.c kern_exec.c src/sys/sys filedesc.h Message-ID: <200204190414.g3J4EQH69597@khavrinen.lcs.mit.edu> In-Reply-To: <20020419032610.GG30498@FreeBSD.ORG> References: <200204190045.g3J0jUY59526@freefall.freebsd.org> <200204190309.g3J39tE69057@khavrinen.lcs.mit.edu> <p05111709b8e53bfd88f7@[128.113.24.47]> <20020419032610.GG30498@FreeBSD.ORG>
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<<On Fri, 19 Apr 2002 03:26:11 +0000, "J. Mallett" <jmallett@FreeBSD.ORG> said: > If you know the codepath of a program, you can close a number of file > descriptors, and ones specifically for reading or writing, and without fail > cause corruption of a file, dump information of your choice into a file, > or cause information to be incorrectly read from a file. Any privileged process which blindly trusts its file descriptors to not be closed is seriously broken. It's not clear whether POSIX allows this behavior. I've submitted an aardvark requesting clarification. -GAWollman To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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