Date: Wed, 27 Mar 2002 17:23:11 -0500 (EST) From: Jeff Roberson <jroberson@chesapeake.net> To: Alfred Perlstein <bright@mu.org> Cc: Terry Lambert <tlambert2@mindspring.com>, <jeff@freebsd.org>, <hackers@freebsd.org> Subject: Re: uma and double free detection? Message-ID: <20020327172135.I16840-100000@mail.chesapeake.net> In-Reply-To: <20020327213247.GO93885@elvis.mu.org>
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On Wed, 27 Mar 2002, Alfred Perlstein wrote: > * Terry Lambert <tlambert2@mindspring.com> [020327 13:30] wrote: > > Alfred Perlstein wrote: > > > > > > Can uma diagnose double free's? It doesn't seem to be able to > > > under a GENERIC config. :( > > > > THat's an INVARIANTS thing, even without UMA... > > /usr/src/sys/i386/conf % grep INVA BRIGHT > options INVARIANTS #Enable calls of extra sanity checking > options INVARIANT_SUPPORT #Extra sanity checks of internal structu > > All I got was a panic because uma seemed to get confused rather than > catch the double free. > Yikes, a panic? From a double free? Was this from malloc or zalloc? Are you sure there was no other memory corruption? Thanks, Jeff To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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