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From: Brian Feldman <green@FreeBSD.org>
Subject: PERFORCE change 13476 for review
To: Perforce Change Reviews <perforce@freebsd.org>
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http://people.freebsd.org/~peter/p4db/chv.cgi?CH=13476

Change 13476 by green@green_laptop_2 on 2002/06/27 07:07:14

	Don't crash if an ELF module is b0rked and has a 0 where it
	shouldn't.  Maybe I should just let it crash?

Affected files ...

.. //depot/projects/trustedbsd/mac/sys/kern/link_elf.c#5 edit

Differences ...

==== //depot/projects/trustedbsd/mac/sys/kern/link_elf.c#5 (text+ko) ====

@@ -311,6 +311,8 @@
 	    const Elf_Hashelt *hashtab = (const Elf_Hashelt *)
 		(ef->address + dp->d_un.d_ptr);
 	    ef->nbuckets = hashtab[0];
+	    if (ef->nbuckets == 0)
+		return ENOEXEC;
 	    ef->nchains = hashtab[1];
 	    ef->buckets = hashtab + 2;
 	    ef->chains = ef->buckets + ef->nbuckets;

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