http://bugs.grommit.com/show_bug.cgi?id=621
Summary: "tail" builtin may crash if it hits misspelled long
options
Product: ksh93-integration
Version: unspecified
Platform: All
OS/Version: Solaris 11/Nevada
Status: NEW
Severity: blocker
Priority: P3
Component: App/Other
AssignedTo: ksh93-integration-discuss at opensolaris.org
ReportedBy: roland.mainz at nrubsig.org
CC: roland.mainz at nrubsig.org, ksh93-integration-
discuss at opensolaris.org, Milan.Jurik at sun.com
"tail" builtin may crash if it hits misspelled long options, e.g. $ tail
--attack_of_chicken_monsters # will cause a core dump like this:
-- snip --
$ ~/bin/ksh -c 'print "hello" | tail --attack_of_chicken_monsters'
Memory fault(coredump)
$ dbx ~/bin/ksh core
For information about new features see `help changes'
To remove this message, put `dbxenv suppress_startup_message 7.6' in your
.dbxrc
Reading ksh
core file header read successfully
Reading ld.so.1
Reading libsocket.so.1
Reading libnsl.so.1
Reading libm.so.2
Reading libmd.so.1
Reading libsecdb.so.1
Reading libc.so.1
Reading libmd_psr.so.1
Reading libc_psr.so.1
program terminated by signal SEGV (no mapping at the fault address)
Current function is b_tail
503 if (i = *(s - 1) == '-' || *(s - 1) == '+')
(dbx) where
=>[1] b_tail(argc = 2, argv = 0x266a60, context = 0x24d6d0), line 503 in
"tail.c"
[2] sh_exec(t = 0x266a00, flags = 4), line 992 in "xec.c"
[3] sh_exec(t = 0x266a70, flags = 5), line 1397 in "xec.c"
[4] sh_exec(t = 0x266a70, flags = 5), line 1518 in "xec.c"
[5] exfile(shp = 0x24d3e4, iop = 0x26ffb0, fno = -1), line 595 in "main.c"
[6] sh_main(ac = 3, av = 0xffbff144, userinit = (nil)), line 370 in "main.c"
[7] main(argc = 3, argv = 0xffbff144), line 46 in "pmain.c"
-- snip --
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