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POSTGRESQL BUG REPORT TEMPLATE
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Your name : Nick Eskelinen
Your email address : nickesk@cs.bu.edu
System Configuration
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Architecture (example: Intel Pentium) : UltraSparc
Operating System (example: Linux 2.0.26 ELF) : Solaris 8
PostgreSQL version (example: PostgreSQL-7.3.2): PostgreSQL-7.3.2
Compiler used (example: gcc 2.95.2) : gcc 3.2.2
Please enter a FULL description of your problem:
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pg_dumpall segfaults when trying to dump group information.
Postmaster and pg_dump run fine in this installation.
Output from gdb
---------------
(gdb) r -U postgres
Starting program: /fs/cs-db/local/postgresql-7.3.2/bin/pg_dumpall -U postgres
Password:
--
-- PostgreSQL database cluster dump
--
\connect "template1"
--
-- Users
--
[user information]
--
-- Groups
--
DELETE FROM pg_group;
Program received signal SIGSEGV, Segmentation fault.
0xfef331bc in strlen () from /usr/lib/libc.so.1
(gdb) bt
#0 0xfef331bc in strlen () from /usr/lib/libc.so.1
#1 0xfef861c8 in _doprnt () from /usr/lib/libc.so.1
#2 0xfef8833c in vsnprintf () from /usr/lib/libc.so.1
#3 0xff2386d0 in appendPQExpBuffer (str=0x273a8,
fmt=0x14c00 "SELECT usename FROM pg_shadow WHERE usesysid = %s;")
at pqexpbuffer.c:234
#4 0x00011c40 in dumpGroups (conn=0x27b00) at pg_dumpall.c:353
#5 0x000115b8 in main (argc=3, argv=0xffbef9e4) at pg_dumpall.c:196
(gdb) up 3
#3 0xff2386d0 in appendPQExpBuffer (str=0x273a8,
fmt=0x14c00 "SELECT usename FROM pg_shadow WHERE usesysid = %s;")
at pqexpbuffer.c:234
234 nprinted = vsnprintf(str->data + str->len, avail,
(gdb) i lo
args = 0xffbef8ac
avail = 255
nprinted = 30
(gdb) p *str
$1 = {data = 0x300b8 "SELECT usename FROM pg_shadow WHERE usesysid = ",
len = 0, maxlen = 256}
Please describe a way to repeat the problem. Please try to provide a
concise reproducible example, if at all possible:
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All invocations of pg_dumpall result in a segmentation fault.
If you know how this problem might be fixed, list the solution below:
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