I've reproduced this on dapper. ypxfr crashes on amd64 if there is a
YP_SECURE key in the map (so mostly only for shadow maps).
Backtrace:
#0 0x00002aaaaae47c05 in free () from /lib/libc.so.6
#1 0x00002aaaaaecb9a8 in xdr_bytes_internal () from /lib/libc.so.6
#2 0x00000000004033b8 in xdr_valdat (xdrs=0x6400000001, objp=0x0)
at ypxfr_xdr.c:53
#3 0x000000000040340c in xdr_ypresp_val (xdrs=0x7fffff938c10,
objp=0x7fffff93ae80) at ypxfr_xdr.c:64
#4 0x00002aaaaaecb2b5 in xdr_free () from /lib/libc.so.6
#5 0x0000000000402a79 in ypxfr (map=0x7fffff93c99f "shadow.byname",
source_host=<value optimized out>,
source_domain=0x7fffff93c991 "sirena.org.uk",
target_domain=0x7fffff93c991 "sirena.org.uk", noclear=1, force=1)
at ypxfr.c:681
#6 0x0000000000403062 in main (argc=<value optimized out>,
argv=0x7fffff93b160) at ypxfr.c:868
This is unlikely to be Ubuntu-specific.
** Changed in: nis (Ubuntu)
Status: Unconfirmed => Confirmed
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/usr/lib/yp/ypxfr produces segmentation fault
https://launchpad.net/bugs/47815
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