hello Mike and thanks for reply.
On Sun, Jun 27, 2010 at 12:04:22PM +0200, Mike Hommey wrote:
> > - I tried to apt-get source and compile again: same pb.
> > - using gdb and some code hacks, i saw the segfault appears at xmlIO.c:2412
> > because cptr is out of bounds.
> > - collecting more infos is WIP.
>
> The version of libxml2 you are using hasn't changed for almost a year,
> so I doubt it is really a libxml2 issue, thus downgrading severity.
I'm very confused: bug appears after an apache reboot so i really don't
know why the pb appears now.
the gz callback doesn't care about filename and always matches
so the file callback can't be reached.
I just recompiled with my own patch (see the end of message) and it works
(seems like a klugde but i really need my server to work).
As libxml2 is an old package, the pb may be elsewhere (gzip lib?). I
seen there is no test of cptr after the line but i just don't figure out
how to do it for the moment.
cptr = (char *) ((z_stream *)context)->next_in;
> Are you sure you don't have a custom libxml2 installation in
> /usr/local/lib or something similar ? (try to check the output for ldd
> /usr/bin/xmllint))
i try to avoid as far as possible to have homebrew libs on production
servers:
ldd =xmllint | perl -lne 'm#/usr\S+xml\S+# and print `dpkg -S $&`'
libxml2: /usr/lib/libxml2.so.2
again: thanks for help.
---
libxml2-2.6.32.dfsg/xmlIO.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/libxml2-2.6.32.dfsg/xmlIO.c b/libxml2-2.6.32.dfsg/xmlIO.c
index dd4f7e7..c14a68e 100644
--- a/libxml2-2.6.32.dfsg/xmlIO.c
+++ b/libxml2-2.6.32.dfsg/xmlIO.c
@@ -1087,7 +1087,10 @@ xmlBufferWrite (void * context, const char * buffer, int
len) {
*/
static int
xmlGzfileMatch (const char *filename ATTRIBUTE_UNUSED) {
- return(1);
+ return ! strncmp
+ ( filename + strlen( filename ) - 3
+ , ".gz" , 3
+ );
}
/**
--
Marc Chantreux
BibLibre, expert en logiciels libres pour l'info-doc
http://biblibre.com
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