gzip coredump in Solaris 10 - x86

[Jianhua Yang]

Hello Gunu,

Solaris 10 - x64 is upgraded to KU_ 144489-06,  gzip failed with segmentation 
fault:

$ /db/bin/gzip -v snap.out.s
snap.out.s:     Segmentation Fault(coredump)
$ /db/bin/truss -V
ksh: /db/bin/truss:  not found
$ /db/bin/gzip -V
gzip 1.3.9
Copyright (C) 2006 Free Software Foundation, Inc.
Copyright (C) 1993 Jean-loup Gailly.
This is free software.  You may redistribute copies of it under the terms of
the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
There is NO WARRANTY, to the extent permitted by law.

Written by Jean-loup Gailly.
$

from the truss,  I see
open("snap.out.s", O_RDONLY|O_NONBLOCK|O_NOCTTY|O_NOFOLLOW) = 3
fstat(3, 0x00468CB0)                            = 0
lwp_sigmask(SIG_SETMASK, 0x60005003, 0x00000000) = 0xFFBFFEFF [0x0000FFFF]
open("snap.out.s.gz", O_WRONLY|O_CREAT|O_EXCL, 0600) = 4
lwp_sigmask(SIG_SETMASK, 0x00000000, 0x00000000) = 0xFFBFFEFF [0x0000FFFF]
read(3, " + + + + + + + +   D a t".., 65536)    = 65536
read(3, " 6 - 0 4 ,   1 3 7 0 2 2".., 32768)    = 32768
read(3, " 1 2 - 1 4 ,   1 2 7 1 2".., 32768)    = 32768
read(3, "   S U N W m g a p p ,  ".., 32768)    = 32768
read(3, " N W f c p\n P a t c h :".., 32768)    = 32768
read(3, "                        ".., 32768)    = 32768
read(3, " r n e l   s u p p o r t".., 32768)    = 32768
read(3, "         ( i 3 8 6 )   1".., 32768)    = 32768
read(3, " I M M 2 3              ".., 32768)    = 32768
read(3, " / s b i n / v x d i s k".., 32768)    = 30417
write(4, "1F8B\b\b TFFC4 M\003 s n".., 16384)   = 16384
write(4, " X ] I D wB5 T 1D8A5 ) ~".., 16384)   = 16384
write(4, "F01D9087AD I oA6 'D30FDA".., 16384)   = 16384
read(3, 0x0047D485, 2351)                       = 0
write(4, "1A851B\rE2 2A8 |03BFCFE3".., 4445)    = 4445
close(3)                                        = 0
uucopy(0xFFFFFD7FFFDFEF40, 0xFFFFFD7FFFDFEEE0, 32) = 0
uucopy(0xFFFFFD7FFFDFEE70, 0xFFFFFD7FFFDFEE10, 32) = 0
uucopy(0xFFFFFD7FFFDFEDA0, 0xFFFFFD7FFFDFED40, 32) = 0
uucopy(0xFFFFFD7FFFDFECD0, 0xFFFFFD7FFFDFEC70, 32) = 0
uucopy(0xFFFFFD7FFFDFEC00, 0xFFFFFD7FFFDFEBA0, 32) = 0
..........
uucopy(0xFFFFFD7FFF400230, 0xFFFFFD7FFF4001D0, 32) = 0
uucopy(0xFFFFFD7FFF400160, 0xFFFFFD7FFF400100, 32) = 0
uucopy(0xFFFFFD7FFF400090, 0xFFFFFD7FFF400030, 32) = 0
    Incurred fault #6, FLTBOUNDS  %pc = 0x00419B48
      siginfo: SIGSEGV SEGV_MAPERR addr=0xFFFFFD7FFF3FFFFC
    Received signal #11, SIGSEGV [default]
      siginfo: SIGSEGV SEGV_MAPERR addr=0xFFFFFD7FFF3FFFFC
$ ls -l snap.o* core.*
-rw-r-----   1 algodev  dbx       358097 May 10 12:21 snap.out.s
-rw-------   1 algodev  dbx        53597 May 10 12:33 snap.out.s.gz
-rw-------   1 algodev  dbx      13390529 May 10 12:04 
core.gzip.nyuat1.6187.1305043477
So gzip is done,  but  the original file still exists.

Why does the gzip do so many uucopy?

Thanks,

James Yang
Deutsche Bank US
Email :   address@hidden<mailto:address@hidden>

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