crypt studying

Bug #1589917 reported by krdondon on 2016-06-07
This bug affects 1 person
Affects Status Importance Assigned to Milestone
lvm2 (Ubuntu)

Bug Description

Suddenly came the bug message.
Disabling encryption.

ProblemType: Crash
DistroRelease: Ubuntu 16.10
Package: lvm2 2.02.153-1ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-23.41-generic 4.4.10
Uname: Linux 4.4.0-23-generic x86_64
ApportVersion: 2.20.1-0ubuntu4
Architecture: amd64
Date: Tue Jun 7 19:33:38 2016
ExecutablePath: /sbin/lvm
InstallationDate: Installed on 2016-06-06 (1 days ago)
InstallationMedia: Lubuntu 16.10 "Yakkety Yak" - Alpha amd64 (20160605)
ProcCmdline: vgcfgrestore tester
SegvAnalysis: Skipped: missing required field "Disassembly"
Signal: 11
SourcePackage: lvm2
UpgradeStatus: No upgrade log present (probably fresh install)

krdondon (candan) wrote :

 strncpy (__len=32, __src=<optimized out>, __dest=0x7fffa1132ac0 "0\211\366\240\rV") at /usr/include/x86_64-linux-gnu/bits/string3.h:126
 lvmcache_info_from_pvid (pvid=<optimized out>, valid_only=valid_only@entry=0) at cache/lvmcache.c:689
 _restore_vg_should_write_pv (do_pvcreate=0, pv=<optimized out>) at format_text/archiver.c:342
 backup_restore_vg (cmd=cmd@entry=0x560da0f20010, vg=vg@entry=0x560da0f81fd0, drop_lvmetad=drop_lvmetad@entry=1, do_pvcreate=do_pvcreate@entry=0, pva=pva@entry=0x0) at format_text/archiver.c:449
 backup_restore_from_file (cmd=cmd@entry=0x560da0f20010, vg_name=vg_name@entry=0x7fffa11357c8 "tester", file=file@entry=0x7fffa1132bc0 "/etc/lvm/backup/tester", force=force@entry=0) at format_text/archiver.c:553

Changed in lvm2 (Ubuntu):
importance: Undecided → Medium
tags: removed: need-amd64-retrace

Thanks for taking the time to report this bug and helping to make Ubuntu better. We appreciate the difficulties you are facing, but this appears to be a "regular" (non-security) bug. I have unmarked it as a security issue since this bug does not show evidence of allowing attackers to cross privilege boundaries nor directly cause loss of data/privacy. Please feel free to report any other bugs you may find.

information type: Private Security → Public
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