[postgis-tickets] [PostGIS] #4189: Undefined behaviour in SADFWrite

[PostGIS]

#4189: Undefined behaviour in SADFWrite
------------------------+---------------------------
 Reporter:  Algunenano  |      Owner:  Algunenano
     Type:  defect      |     Status:  assigned
 Priority:  medium      |  Milestone:  PostGIS 2.2.8
Component:  postgis     |    Version:  2.2.x
 Keywords:              |
------------------------+---------------------------
 Running using gcc `-fsanitize=undefined -fsanitize-undefined-trap-on-
 error`:

 {{{
 Using host libthread_db library "/usr/lib/libthread_db.so.1".
 Core was generated by `/un/dev_public/postgis/loader/.libs/lt-pgsql2shp -f
 /tmp/pgis_reg/dumper postgi'.
 Program terminated with signal SIGILL, Illegal instruction.
 #0  0x00005613a20ab07d in SADFWrite (p=0x0, size=32, nmemb=0,
 file=0x5613a2d4dc40)
 (gdb) bt
 #0  0x00005613a20ab07d in SADFWrite (p=0x0, size=32, nmemb=0,
 file=0x5613a2d4dc40)
 #1  0x00005613a20b6436 in DBFWriteHeader
 (psDBF=psDBF at entry=0x5613a2d510c0) at dbfopen.c:237
 #2  0x00005613a20b821f in DBFWriteHeader (psDBF=0x5613a2d510c0) at
 dbfopen.c:211
 #3  DBFClose (psDBF=0x5613a2d510c0) at dbfopen.c:587
 #4  0x00005613a20c21cf in ShpDumperCloseTable
 (state=state at entry=0x5613a2d447e0) at pgsql2shp-core.c:2191
 #5  0x00005613a20ab80a in main (argc=<optimized out>, argv=<optimized
 out>) at pgsql2shp-cli.c:229
 }}}

 PR: https://github.com/postgis/postgis/pull/310

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4189>
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