| 1 | # Date: Sat, 30 Mar 1996 12:47:17 -0800 (PST)
|
|---|
| 2 | # From: Charles Howes <chowes@grid.direct.ca>
|
|---|
| 3 | # To: bug-gnu-utils@prep.ai.mit.edu, arnold@gnu.ai.mit.edu
|
|---|
| 4 | # Subject: Bug in Gawk 3.0.0, sample code:
|
|---|
| 5 | #
|
|---|
| 6 | #!/usr/local/bin/gawk -f
|
|---|
| 7 | #
|
|---|
| 8 | # Hello! This is a bug report from chowes@direct.ca
|
|---|
| 9 | #
|
|---|
| 10 | # uname -a
|
|---|
| 11 | # SunOS hostname 5.5 Generic sun4m
|
|---|
| 12 | #
|
|---|
| 13 | # Gnu Awk (gawk) 3.0, patchlevel 0:
|
|---|
| 14 | BEGIN{
|
|---|
| 15 | FS=":"
|
|---|
| 16 | while ((getline < "/etc/passwd") > 0) {
|
|---|
| 17 | r=$3
|
|---|
| 18 | z=0
|
|---|
| 19 | n[0]=1
|
|---|
| 20 | }
|
|---|
| 21 | FS=" "
|
|---|
| 22 | }
|
|---|
| 23 | #gawk: fp.new:16: fatal error: internal error
|
|---|
| 24 | #Abort
|
|---|
| 25 |
|
|---|
| 26 | # #!/usr/local/bin/gawk -f
|
|---|
| 27 | # # Gnu Awk (gawk) 2.15, patchlevel 6
|
|---|
| 28 | #
|
|---|
| 29 | # BEGIN{
|
|---|
| 30 | # f="/etc/passwd"
|
|---|
| 31 | # while (getline < f) n[0]=1
|
|---|
| 32 | # FS=" "
|
|---|
| 33 | # }
|
|---|
| 34 | # #gawk: /staff/chowes/bin/fp:7: fatal error: internal error
|
|---|
| 35 | # #Abort
|
|---|
| 36 |
|
|---|
| 37 | # These examples are not perfect coding style because I took a real
|
|---|
| 38 | # piece of code and tried to strip away anything that didn't make the error
|
|---|
| 39 | # message go away.
|
|---|
| 40 | #
|
|---|
| 41 | # The interesting part of the 'truss' is:
|
|---|
| 42 | #
|
|---|
| 43 | # fstat(3, 0xEFFFF278) = 0
|
|---|
| 44 | # lseek(3, 0, SEEK_SET) = 0
|
|---|
| 45 | # read(3, " r o o t : x : 0 : 1 : S".., 2291) = 2291
|
|---|
| 46 | # brk(0x00050020) = 0
|
|---|
| 47 | # brk(0x00052020) = 0
|
|---|
| 48 | # read(3, 0x0004F4B8, 2291) = 0
|
|---|
| 49 | # close(3) = 0
|
|---|
| 50 | # Incurred fault #6, FLTBOUNDS %pc = 0x0001B810
|
|---|
| 51 | # siginfo: SIGSEGV SEGV_MAPERR addr=0x00053000
|
|---|
| 52 | # Received signal #11, SIGSEGV [caught]
|
|---|
| 53 | # siginfo: SIGSEGV SEGV_MAPERR addr=0x00053000
|
|---|
| 54 | # write(2, " g a w k", 4) = 4
|
|---|
| 55 | # write(2, " : ", 2) = 2
|
|---|
| 56 | #
|
|---|
| 57 | # --
|
|---|
| 58 | # Charles Howes -- chowes@direct.ca Voice: (604) 691-1607
|
|---|
| 59 | # System Administrator Fax: (604) 691-1605
|
|---|
| 60 | # Internet Direct - 1050 - 555 West Hastings St - Vancouver, BC V6B 4N6
|
|---|
| 61 | #
|
|---|
| 62 | # A sysadmin's life is a sorry one. The only advantage he has over Emergency
|
|---|
| 63 | # Room doctors is that malpractice suits are rare. On the other hand, ER
|
|---|
| 64 | # doctors never have to deal with patients installing new versions of their
|
|---|
| 65 | # own innards! -Michael O'Brien
|
|---|
| 66 | #
|
|---|
| 67 | # "I think I know what may have gone wrong in the original s/w.
|
|---|
| 68 | # It's a bug in the way it was written." - Vagueness**n
|
|---|
