Ceph » rbd

<kind>InvalidRead</kind>
<what>Invalid read of size 1</what>
<stack>
<frame>
<ip>0x6A6B3B1</ip>
<obj>/lib/x86_64-linux-gnu/libc-2.15.so</obj>
<fn>vfprintf</fn>
<dir>/build/buildd/eglibc-2.15/stdio-common</dir>
<file>vfprintf.c</file>
<line>1630</line>
</frame>
<frame>
<ip>0x6B28D8F</ip>
<obj>/lib/x86_64-linux-gnu/libc-2.15.so</obj>
<fn>__vsnprintf_chk</fn>
<dir>/build/buildd/eglibc-2.15/debug</dir>
<file>vsnprintf_chk.c</file>
<line>65</line>
</frame>
<frame>
<ip>0x6F0C27</ip>
<obj>/usr/bin/ceph-osd</obj>
<fn>cls_log</fn>
<dir>/usr/include/x86_64-linux-gnu/bits</dir>
<file>stdio2.h</file>
<line>79</line>
</frame>
<frame>
<ip>0x145E2BE0</ip>
<obj>/usr/lib/rados-classes/libcls_rbd.so</obj>
<fn>metadata_set(void*, ceph::buffer::list*, ceph::buffer::list*)</fn>
<dir>/srv/autobuild-ceph/gitbuilder.git/build/out~/ceph-0.93-871-g000c51d/src/cls/rbd</dir>
<file>cls_rbd.cc</file>
<line>2231</line>
</frame>

which is this line

CLS_LOG(20, "metdata_set key=%s value=%s", it->first.c_str(), it->second.c_str());

probably because bufferlist c_str() doesn't include a null terminator.

/kubuntu@teuthology:/a/sage-2015-03-26_06:44:22-rados-wip-sage-testing-distro-basic-multi/822712