Re: Redisplay crash

[Kenichi Handa <handa@m17n.org>]

In article <87llbal35x.fsf@orebokech.com>, Romain Francoise <romain@orebokech.com> writes:

> Running Emacs CVS from a few hours ago, I get a segmentation fault every
> time I try to enter a group in Gnus (using emacs -nw, I didn't try in
> X11).  It's very reproducible.  I last updated before that in October
> 2004 so the bug might not be recent.

> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread -1485880672 (LWP 8907)]
> 0xa7883051 in mallopt () from /lib/tls/i686/cmov/libc.so.6
> (gdb) bt
> #0  0xa7883051 in mallopt () from /lib/tls/i686/cmov/libc.so.6
> #1  0xa7881d65 in realloc () from /lib/tls/i686/cmov/libc.so.6
> #2  0x081685ab in emacs_blocked_realloc (ptr=0x958d590, size=388)
>     at alloc.c:1279
> #3  0xa7881c9c in realloc () from /lib/tls/i686/cmov/libc.so.6
> #4  0x08168123 in xrealloc (block=0x6d353358, size=25) at alloc.c:758
> #5  0x080e0e53 in encode_terminal_code (src=0xa76f0f08, src_len=156816800,
>     coding=0x8323200) at term.c:904
> #6  0x080e2c9c in write_glyphs (string=0xa76f0ea8, len=43) at term.c:970

I can't reproduce this bug, but I seems that my change to
encode_terminal_code on 2004-11-30 is the cause.  At least
the argument `src_len' of encode_terminal_code has strange
value in your backtrace.  Could you try to find out why it
has that value by debugger?

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