signal 11 on AIX: 7.4.2

We've had a backend crash with sig 11 during connection. My guess is
there's something up with (maybe) the IPv6 support on AIX. I seem to
recall something similar recently, but I can't find the post in the
archives. Suggestions?

oxrslive=# SELECT version();
version
------------------------------------------------------------------------------
PostgreSQL 7.4.2 on powerpc-ibm-aix5.1.0.0, compiled by GCC
2.9-aix51-020209
(1 row)

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This GDB was configured as "powerpc-ibm-aix5.1.0.0"...
Core was generated by `postgres'.
Program terminated with signal 11, Segmentation fault.
#0 0xd01d7778 in memmove () from /usr/lib/libc.a(shr.o)
(gdb) bt
#0 0xd01d7778 in memmove () from /usr/lib/libc.a(shr.o)
#1 0xd0326e1c in getaddrinfo2 () from /usr/lib/libc.a(shr.o)
#2 0xd0327b6c in getaddrinfo () from /usr/lib/libc.a(shr.o)
#3 0x1005860c in getaddrinfo_all (hostname=0x34e0 "",
servname=0x74696f <Address 0x74696f out of bounds>, hintp=0xf03a2e80,
result=0x74696f) at ip.c:78
#4 0x101f9330 in parse_hba (line=0x202ae198, port=0x202a6988,
found_p=0x2ff1f810 "", error_p=0x2ff1f811 "") at hba.c:669
#5 0x101f96bc in check_hba (port=0x202a6988) at hba.c:793
#6 0x101fa934 in hba_getauthmethod (port=0x202b6f3c) at hba.c:1574
#7 0x101fad5c in ClientAuthentication (port=0x202a6988) at auth.c:415
#8 0x10004674 in BackendFork (port=0x202a6988) at postmaster.c:2444
#9 0x100040b8 in BackendStartup (port=0x202a6988) at postmaster.c:2207
#10 0x10002538 in ServerLoop () at postmaster.c:1119
#11 0x10001f8c in PostmasterMain (argc=1, argv=0x20270698) at postmaster.c:897
#12 0x100005f0 in main (argc=1, argv=0x2ff22b8c) at main.c:214
(gdb)

A

--
Andrew Sullivan | ajs(at)crankycanuck(dot)ca