[...]Basically the test seems to be working (ie. 500 expected and received), but handling the 500 error kills apache (seems to be a simple dereference of a null pointer; probably returned from a call of strerror(500)).
Note that on Solaris strerror(500) returns 0x0. On Linux, it returns "Unknown error 500".
Program received signal SIGSEGV, Segmentation fault.
apr_cpystrn (dst=0xefffef58 "�~��", src=0x0, dst_size=4026527831)
at apr_cpystrn.c:57
57 if (!(*d = *src)) {
(gdb) where
#0 apr_cpystrn (dst=0xefffef58 "�~��", src=0x0, dst_size=4026527831)
at apr_cpystrn.c:57
#1 0xef654ea8 in stuffbuffer (buf=0xefffef58 "�~��", bufsize=256, s=0x0)
at errorcodes.c:34
#2 0xef655360 in native_strerror (statcode=500, buf=0xefffef58 "�~��",
bufsize=256) at errorcodes.c:375
#3 0xef65539c in apr_strerror (statcode=500, buf=0xefffef58 "�~��",
bufsize=256) at errorcodes.c:384
#4 0xef347ab4 in modperl_error_strerror ()
from /u/hughesc/apache2/mod_perl-1.99_16/src/modules/perl/mod_perl.so
I made a very quick hack fix to srclib/arp/misc/unix/errorcodes.c:
*************** *** 372,378 **** sprintf(err, "Native Error #%d", statcode); return stuffbuffer(buf, bufsize, err); #else ! return stuffbuffer(buf, bufsize, strerror(statcode)); #endif } #endif --- 372,379 ---- sprintf(err, "Native Error #%d", statcode); return stuffbuffer(buf, bufsize, err); #else ! char *str = strerror(statcode); ! return stuffbuffer(buf, bufsize, str?str:"Unknown error"); #endif } #endif
Which seems to fix it.
So this is a problem with Apache rather than mod_perl?
In fact it's libapr problem. Joe Orton has posted a fix (I've CC'ed you). Thanks for the report and the fix Chris.
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