[libvirt] [PATCH] Avoid crash in shunloadtest
From: "Daniel P. Berrange" <berrange(a)redhat.com>
For unknown reasons, the shunloadtest will crash on Fedora 16
inside dlopen()
(gdb) bt
#0 0x00000000000050e6 in ?? ()
#1 0x00007ff61a77b9d5 in floor () from /lib64/libm.so.6
#2 0x00007ff61e522963 in _dl_relocate_object () from /lib64/ld-linux-x86-64.so.2
#3 0x00007ff61e5297e6 in dl_open_worker () from /lib64/ld-linux-x86-64.so.2
#4 0x00007ff61e525006 in _dl_catch_error () from /lib64/ld-linux-x86-64.so.2
#5 0x00007ff61e52917a in _dl_open () from /lib64/ld-linux-x86-64.so.2
#6 0x00007ff61e0f6f26 in dlopen_doit () from /lib64/libdl.so.2
#7 0x00007ff61e525006 in _dl_catch_error () from /lib64/ld-linux-x86-64.so.2
#8 0x00007ff61e0f752f in _dlerror_run () from /lib64/libdl.so.2
#9 0x00007ff61e0f6fc1 in dlopen@(a)GLIBC_2.2.5 () from /lib64/libdl.so.2
#10 0x0000000000400a15 in main (argc=<optimized out>, argv=<optimized out>)
at shunloadtest.c:105
Changing from RTLD_NOW to RTLD_LAZY avoids this problem,
but quite possibly does not fix the root cause.
* shunloadtest.c: s/NOW/LAZY/
---
tests/shunloadtest.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/tests/shunloadtest.c b/tests/shunloadtest.c
index 2cdb8b8..ab6e56f 100644
--- a/tests/shunloadtest.c
+++ b/tests/shunloadtest.c
@@ -102,7 +102,7 @@ int main(int argc ATTRIBUTE_UNUSED, char **argv)
fprintf(stderr, " .%*s 1 ", 39, "");
signal(SIGSEGV, sigHandler);
- if (!(lib = dlopen("./.libs/libshunload.so", RTLD_NOW))) {
+ if (!(lib = dlopen("./.libs/libshunload.so", RTLD_LAZY))) {
fprintf(stderr, "Cannot load ./.libs/libshunload.so %s\n", dlerror());
return 1;
}
--
1.7.7.3