Date: Wed, 3 Nov 2004 00:10:31 GMT From: Parv <parv@pair.com> To: freebsd-ports-bugs@FreeBSD.org Subject: Re: ports/73404: shells/ksh93 - notify option + output redirected to nonexistent file cause crash w/ segfault Message-ID: <200411030010.iA30AV1q085325@freefall.freebsd.org>
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The following reply was made to PR ports/73404; it has been noted by GNATS.
From: Parv <parv@pair.com>
To: FreeBSD-gnats-submit@FreeBSD.org
Cc:
Subject: Re: ports/73404: shells/ksh93 - notify option + output redirected to nonexistent file cause crash w/ segfault
Date: Tue, 2 Nov 2004 19:03:42 -0500
Additionally ksh93 also crashes when output is directed to an
already-existing-named-pipe (which prompted me to send the report
originally) ...
echo 'pipe already exists' > already-existent-pipe &
The (gdb) backtrace looks similar to the one sent previously ...
Core was generated by `ksh93'.
Program terminated with signal 11, Segmentation fault.
#0 job_unlink (pw=0x0)
at /work/ports/misc/ports/shells/ksh93/work/src/cmd/ksh93/sh/jobs.c:1438
1438 job.pwlist = pw->p_nxtjob;
(gdb) bt
#0 job_unlink (pw=0x0)
at /work/ports/misc/ports/shells/ksh93/work/src/cmd/ksh93/sh/jobs.c:1438
#1 0x8053e49 in job_unpost (pwtop=0xbfbfecf0, notify=1)
at /work/ports/misc/ports/shells/ksh93/work/src/cmd/ksh93/sh/jobs.c:1397
#2 0x8052643 in job_waitsafe (sig=20)
at /work/ports/misc/ports/shells/ksh93/work/src/cmd/ksh93/sh/jobs.c:328
#3 0xbfbfffac in ?? ()
#4 0x804a1fe in ed_read (context=0x8162048, fd=0, buff=0x816fe60 "", size=4096, reedit=0)
at /work/ports/misc/ports/shells/ksh93/work/src/cmd/ksh93/edit/edit.c:755
#5 0x805159c in slowread (iop=0x814d1e0, buff=0x816fe60, size=4096, handle=0x8163960)
at /work/ports/misc/ports/shells/ksh93/work/src/cmd/ksh93/sh/io.c:1113
#6 0x80c1443 in sfrd ()
#7 0x80bdb94 in _sffilbuf (f=0x814d1e0, n=-1)
at /work/ports/misc/ports/shells/ksh93/work/src/lib/libast/sfio/sffilbuf.c:108
#8 0x80c1c3f in sfreserve (f=0x814d1e0, size=0, type=0)
at /work/ports/misc/ports/shells/ksh93/work/src/lib/libast/sfio/sfreserve.c:117
#9 0x80491d3 in exfile ()
#10 0x8048c26 in sh_main ()
#11 0x804820c in main (argc=1, argv=0xbfbff3f0)
at /work/ports/misc/ports/shells/ksh93/work/src/cmd/ksh93/sh/pmain.c:33
- Parv
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