Le 10/10/2013 13:56, Remi Collet a écrit :
> Testing Judy library (for Judy PHP extension), I encounter a
> reproducable segfault on x86_64 only (Judy 1.0.5 official release, no
> patch applied).
I forget to give you some information.
Build options:
+ CFLAGS='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
-fstack-protector --param=ssp-buffer-size=4 -grecord-gcc-switches -m64
-mtune=generic'
+ LDFLAGS='-Wl,-z,relro '
So gcc options are:
-DJU_64BIT -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
-fstack-protector --param=ssp-buffer-size=4 -grecord-gcc-switches -m64
-mtune=generic
And, from build, perhaps a revelant warning
Judy1Set.c: In function 'j__udyInsWalk':
Judy1Set.c:1506:63: warning: iteration 8u invokes undefined behavior
[-Waggressive-loop-optimizations]
JU_BITMAPSETL(Pjlb, Pjp->jp_1Index[offset]);
^
Judy1Set.c:1505:13: note: containing loop
for (offset = 0; offset < 15; ++offset)
^
Full build log
http://kojipkgs.fedoraproject.org//packages/Judy/1.0.5/7.fc20/data/logs/x86_64/build.log
Remi.
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