Opened 8 years ago

Closed 8 years ago

Last modified 8 years ago

#6317 closed defect (fixed)

Segfault on shapefiles with MultiLineString declared as ARCM but without M values

Reported by: strk Owned by: warmerdam
Priority: normal Milestone: 1.11.4
Component: OGR_SF Version: svn-trunk
Severity: normal Keywords: shapefile
Cc:

Description

Run against the shapefile attached, ogrinfo -al segfaults. The file was generated by ogr via qgis as per ​http://hub.qgis.org/issues/11422 (where the writing side also segfaulted)

Attachments (1)

file.zip​ (2.1 KB ) - added by strk 8 years ago.

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Change History (4)

by strk, 8 years ago

Attachment: file.zip​ added

comment:1 by strk, 8 years ago

Valgrind report: 

==9042== Invalid read of size 8
==9042==    at 0x4C2F250: memcpy@@GLIBC_2.14 (vg_replace_strmem.c:933)
==9042==    by 0x58D31C7: SHPReadOGRObject(SHPInfo*, int, tagSHPObject*) (shape2ogr.cpp:234)
==9042==    by 0x58D422D: SHPReadOGRFeature(SHPInfo*, DBFInfo*, OGRFeatureDefn*, int, tagSHPObject*, char const*) (shape2ogr.cpp:1100)
==9042==    by 0x582E999: OGRShapeLayer::GetNextFeature() (ogrshapelayer.cpp:771)
==9042==    by 0x403125: ReportOnLayer(OGRLayer*, char const*, char const*, OGRGeometry*, int, int, char**, int, int) (ogrinfo.cpp:704)
==9042==    by 0x40224D: main (ogrinfo.cpp:441)
==9042==  Address 0x20 is not stack'd, malloc'd or (recently) free'd

comment:2 by Even Rouault, 8 years ago

Milestone: → 1.11.4
Resolution: → fixed
Status: new → closed

trunk r33048, branches/2.0 r33049, branches/1.11 r33050 "Shape: fix crash on MultiLineStringM shapes that have no M component (#6317)"

comment:3 by Even Rouault, 8 years ago

Summary: ogrinfo -al segfaults → Segfault on shapefiles with MultiLineString declared as ARCM but without M values
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