Ceph

https://github.com/ceph/ceph/pull/14069

description¶

The last' pointer is initialized by NULL and never gets assigned before dereferencing it inis_last = ...'. Introduced by
d1e1207 (an incomplete backport).

 ceph version 0.94.10 (b1e0532418e4631af01acbc0cedd426f1905f4af)
 1: /usr/bin/ceph-osd() [0xab8b8a]
 2: (()+0x10330) [0x7f13fff64330]
 3: (FileStore::fiemap(coll_t, ghobject_t const&, unsigned long, unsigned long, ceph::buffer::list&)+0x6d7) [0x903157]
 4: (ReplicatedPG::do_osd_ops(ReplicatedPG::OpContext*, std::vector<OSDOp, std::allocator<OSDOp> >&)+0x2ee2) [0x87a3e2]
 5: (ReplicatedPG::prepare_transaction(ReplicatedPG::OpContext*)+0x97) [0x88bdc7]
 6: (ReplicatedPG::execute_ctx(ReplicatedPG::OpContext*)+0x5ba) [0x88c75a]
 7: (ReplicatedPG::do_op(std::tr1::shared_ptr<OpRequest>&)+0x2d41) [0x890b21]
 8: (ReplicatedPG::do_request(std::tr1::shared_ptr<OpRequest>&, ThreadPool::TPHandle&)+0x66a) [0x82bb8a]
 9: (OSD::dequeue_op(boost::intrusive_ptr<PG>, std::tr1::shared_ptr<OpRequest>, ThreadPool::TPHandle&)+0x3bd) [0x69897d]
 10: (OSD::ShardedOpWQ::_process(unsigned int, ceph::heartbeat_handle_d*)+0x338) [0x698ea8]
 11: (ShardedThreadPool::shardedthreadpool_worker(unsigned int)+0x875) [0xba35a5]
 12: (ShardedThreadPool::WorkThreadSharded::entry()+0x10) [0xba56c0]
 13: (()+0x8184) [0x7f13fff5c184]
 14: (clone()+0x6d) [0x7f13fe4c4bed]

Hammer is EOL.