find-file on vm.elc.gz cases SIGSEGV in decode_coding_emacs_mule()

find-file on vm.elc.gz cases SIGSEGV in decode_coding_emacs_mule()

[stktrc]

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In GNU Emacs 21.2.1 (sparc-sun-solaris2.8, X toolkit, Xaw3d scroll bars)
 of 2002-05-30 on muu.cs.umu.se
configured using `configure  --prefix=/pkg/emacs/21.2'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: en_US
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: nil
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

Download ftp://ftp.uni-mainz.de/pub/software/gnu/vm/vm.elc.gz
Start Emacs
Ensure auto-compression-mode is activated
Find-file vm.elc.gz
Observe SIGSEGV


(gdb) run
Starting program: /usr/local/bin/emacs 

Program received signal SIGSEGV, Segmentation fault.
0x81ec8 in decode_coding_emacs_mule ()
(gdb) bt
#0  0x81ec8 in decode_coding_emacs_mule ()
#1  0x8b2a8 in decode_coding ()
#2  0x18c748 in Fcall_process ()
#3  0x1514d8 in Ffuncall ()
#4  0x182f58 in Fbyte_code ()
#5  0x151d00 in funcall_lambda ()
#6  0x151770 in Ffuncall ()
#7  0x182f58 in Fbyte_code ()
#8  0x1509d0 in Feval ()
#9  0x14f698 in Fcondition_case ()
#10 0x1835a0 in Fbyte_code ()
#11 0x151d00 in funcall_lambda ()
#12 0x151770 in Ffuncall ()
#13 0x150f40 in Fapply ()
#14 0x1514d8 in Ffuncall ()
#15 0x182f58 in Fbyte_code ()
#16 0x151d00 in funcall_lambda ()
#17 0x151770 in Ffuncall ()
#18 0x153234 in call6 ()
#19 0x1197b0 in Finsert_file_contents ()
#20 0x150a24 in Feval ()
#21 0x14f698 in Fcondition_case ()
#22 0x1835a0 in Fbyte_code ()
#23 0x151d00 in funcall_lambda ()
#24 0x151770 in Ffuncall ()
#25 0x182f58 in Fbyte_code ()
#26 0x151d00 in funcall_lambda ()
#27 0x151770 in Ffuncall ()
#28 0x182f58 in Fbyte_code ()
#29 0x151d00 in funcall_lambda ()
#30 0x151770 in Ffuncall ()
#31 0x182f58 in Fbyte_code ()
#32 0x151d00 in funcall_lambda ()
#33 0x151770 in Ffuncall ()
#34 0x153030 in apply1 ()
#35 0x14d0ac in Fcall_interactively ()
#36 0xf4df4 in Fcommand_execute ()
#37 0xe93bc in command_loop_1 ()
#38 0x14f794 in internal_condition_case ()
#39 0xf81a4 in command_loop_2 ()
#40 0x1532f8 in internal_catch ()
#41 0xe8450 in command_loop ()
#42 0xe7ffc in recursive_edit_1 ()
#43 0xe8130 in Frecursive_edit ()
#44 0xe6dc8 in main ()

Re: find-file on vm.elc.gz cases SIGSEGV in decode_coding_emacs_mule()

[Kenichi Handa]

In article <20030407205614.3A8D12F839@klyka.cs.umu.se>, stktrc@yahoo.com writes:
> In GNU Emacs 21.2.1 (sparc-sun-solaris2.8, X toolkit, Xaw3d scroll bars)
>  of 2002-05-30 on muu.cs.umu.se
[...]
> Download ftp://ftp.uni-mainz.de/pub/software/gnu/vm/vm.elc.gz
> Start Emacs
> Ensure auto-compression-mode is activated
> Find-file vm.elc.gz
> Observe SIGSEGV

Thank you for the report.  I think this bug is already fixed
in Emacs 21.3.

---
Ken'ichi HANDA
handa@m17n.org