Messages in this thread | | | Date | Wed, 19 Sep 2007 08:59:23 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH -mm] Don't truncate /proc/PID/environ at 4096 characters |
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Mikael Pettersson wrote: > On Wed, 19 Sep 2007 14:35:29 +0100, James Pearson wrote: >> /proc/PID/environ currently truncates at 4096 characters, patch based on >> the /proc/PID/mem code. > > Does /proc/PID/mem even work? If I do `strace cat /proc/PID/mem > /dev/null' > for a known good PID, the first read() from /proc/PID/mem fails with ESRCH,
Of course it does. Address zero isn't typically mapped.
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