From: Thomas Rast Date: Wed, 05 Oct 2011 19:11:52 GMT Subject: Re: [PATCH 1/1] get_sha1_hex(): do not read past a NUL character Message-ID: <201110052111.52701.trast@student.ethz.ch> In-Reply-To: <7vaa9vulsw.fsf@alter.siamese.dyndns.org> Junio C Hamano wrote: > Michael Haggerty writes: > > > Previously, get_sha1_hex() would read one character past the end of a > > null-terminated string whose strlen was an even number less than 40. > > Although the function correctly returned -1 in these cases, the extra > > memory access might have been to uninitialized (or even, conceivably, > > unallocated) memory. > > > > Add a check to avoid reading past the end of a string. > > Makes sense; thanks. Has this fixed patch ever made it to pu? I'm still seeing the same breakage in the automated valgrind runs. -- Thomas Rast trast@{inf,student}.ethz.ch