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Backport #19323

hammer: segfault in FileStore::fiemap()

Added by Alexey Sheplyakov over 2 years ago. Updated about 2 years ago.

Status:
Rejected
Priority:
Urgent
Target version:
-
Release:
hammer
Crash signature:


Related issues

Related to Ceph - Backport #17878: hammer: FileStore: fiemap cannot be totally retrieved in xfs when the number of extents > 1364 Resolved

History

#1 Updated by Alexey Sheplyakov over 2 years ago

  • Status changed from New to In Progress

#2 Updated by Nathan Cutler over 2 years ago

  • Tracker changed from Bug to Backport
  • Description updated (diff)
  • Release set to hammer

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]

#3 Updated by Nathan Cutler over 2 years ago

  • Description updated (diff)

#4 Updated by Nathan Cutler over 2 years ago

  • Project changed from rgw to Ceph

#5 Updated by Nathan Cutler over 2 years ago

  • Related to Backport #17878: hammer: FileStore: fiemap cannot be totally retrieved in xfs when the number of extents > 1364 added

#6 Updated by Nathan Cutler about 2 years ago

  • Status changed from In Progress to Rejected

Hammer is EOL.

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