Re: newly-detected (by valgrind) failure

[Eric Blake]

On 03/29/2010 02:11 AM, Jim Meyering wrote:
> This is on x86_64, which means we're using the included regex code:
> 
>   printf '\357\274\241\n'>in; LC_ALL=en_US.UTF-8 valgrind src/grep $'\357' in

Just noticing this mail; is there any chance that this might be related
to the regex memory failure reported against m4 when building on AIX?
Any progress on tracking it down?

> 
> I'm not planning to investigate this before the release,
> but in case someone else has more time...
> 
>   Conditional jump or move depends on uninitialised value(s)
>      at 0x398F6E2617: iswalnum (wcfuncs.c:41)
>      by 0x4202FD: peek_token (regcomp.c:1928)
>      by 0x41FD9C: fetch_token (regcomp.c:1766)
>      by 0x4208AB: parse (regcomp.c:2116)
>      by 0x41D726: re_compile_internal (regcomp.c:816)
>      by 0x41C712: rpl_re_compile_pattern (regcomp.c:237)
>      by 0x402535: GEAcompile (dfasearch.c:156)
>      by 0x40210B: Gcompile (grep.c:7)
>      by 0x4074AA: main (main.c:2162)
> 
>   Use of uninitialised value of size 8
>      at 0x398F6E2630: iswalnum (wcfuncs.c:41)
>      by 0x4202FD: peek_token (regcomp.c:1928)
>      by 0x41FD9C: fetch_token (regcomp.c:1766)
>      by 0x4208AB: parse (regcomp.c:2116)
>      by 0x41D726: re_compile_internal (regcomp.c:816)
>      by 0x41C712: rpl_re_compile_pattern (regcomp.c:237)
>      by 0x402535: GEAcompile (dfasearch.c:156)
>      by 0x40210B: Gcompile (grep.c:7)
>      by 0x4074AA: main (main.c:2162)
> 
>   Conditional jump or move depends on uninitialised value(s)
>      at 0x420306: peek_token (regcomp.c:1928)
>      by 0x41FD9C: fetch_token (regcomp.c:1766)
>      by 0x4208AB: parse (regcomp.c:2116)
>      by 0x41D726: re_compile_internal (regcomp.c:816)
>      by 0x41C712: rpl_re_compile_pattern (regcomp.c:237)
>      by 0x402535: GEAcompile (dfasearch.c:156)
>      by 0x40210B: Gcompile (grep.c:7)
>      by 0x4074AA: main (main.c:2162)
> 
> 
> 

-- 
Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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