Date: Thu, 22 Feb 2001 14:15:45 +0100 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Madhavi Suram <madhavis@sasken.com> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: warning in free(): Message-ID: <2866.982847745@critter> In-Reply-To: Your message of "Thu, 22 Feb 2001 18:38:32 %2B0530." <Pine.LNX.4.21.0102221827150.4014-100000@pcs111.sasi.com>
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In message <Pine.LNX.4.21.0102221827150.4014-100000@pcs111.sasi.com>, Madhavi S uram writes: > >Hi > >I am running a C program in user space on FreeBSD 3.3 release. I got a >warning like this: > > testing in free(): warning: modified (chunk-) pointer. > >testing is the name of the executable I am running. > >Could anyone tell me what this warning means? What may be the effect of >this code when I shift it to kernel with due modifications? It means that you do something like this: ... p = malloc(n); /* N <=2048 */ p += m; free(p); -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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