[lvm-devel] LVM2 ./WHATS_NEW lib/report/report.c
wysochanski at sourceware.org
wysochanski at sourceware.org
Mon Dec 15 13:30:47 UTC 2008
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: wysochanski at sourceware.org 2008-12-15 13:30:46
Modified files:
. : WHATS_NEW
lib/report : report.c
Log message:
Fix segfault when invalid field given in reporting commands.
Problem is dm_report_init() may return NULL and subsequent call to
dm_report_set_output_field_name_prefix() doesn't handle NULL value.
Example:
pvs --nameprefixes --rows --unquoted --noheadings -opv_name,fred
Logical Volume Fields
---------------------
lv_uuid - Unique identifier
lv_name - Name. LVs created for internal use are enclosed in brackets.
...
Physical Volume Segment Fields
------------------------------
pvseg_start - Physical Extent number of start of segment.
pvseg_size - Number of extents in segment.
Unrecognised field: fred
Segmentation fault
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW.diff?cvsroot=lvm2&r1=1.1008&r2=1.1009
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/report/report.c.diff?cvsroot=lvm2&r1=1.90&r2=1.91
--- LVM2/WHATS_NEW 2008/12/11 13:45:28 1.1008
+++ LVM2/WHATS_NEW 2008/12/15 13:30:45 1.1009
@@ -1,5 +1,6 @@
Version 2.02.44 -
====================================
+ Fix segfault when invalid field given in reporting commands.
Refactor init_lvm() for lvmcmdline and clvmd.
Add liblvm interactive test infrastructure to build.
Use better random seed value in temp file creation.
--- LVM2/lib/report/report.c 2008/12/04 15:54:27 1.90
+++ LVM2/lib/report/report.c 2008/12/15 13:30:46 1.91
@@ -1108,7 +1108,7 @@
rh = dm_report_init(report_type, _report_types, _fields, format,
separator, report_flags, keys, cmd);
- if (field_prefixes)
+ if (rh && field_prefixes)
dm_report_set_output_field_name_prefix(rh, "lvm2_");
return rh;
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