bug in 21.5-b31 crash in redisplay.c similar to issue 697
steven Mitchell writes:
If I use the open button on the default toolbar, it works fine.
I also noticed the bottom toolbar shows up on the find-file dialog
before it crashes.
It is similar to issue 697, but triggered differently. Should I
start
another issue? Or put this in as a message under that issue?
Thanks for the report. I think you should add it to issue697, with a
comment that it is triggered differently. The underlying mechanism
seems to be the same, however, see below.
Is the reproduction recipe the same "bottom toolbar" you posted
earlier, plus clicking on Open File in the bottom toolbar?
Fatal error: assertion failed, file redisplay.c, line 9179, pos >=
0 &&
pos < dy->largest_
#0 0x00007faa25105035 in raise () from /lib64/libc.so.6
#1 0x00007faa251069e6 in abort () from /lib64/libc.so.6
#2 0x00000000004ab495 in really_abort () at emacs.c:4792
#3 0x00000000004aa010 in assert_failed (file=0x6d22e0 "redisplay.c",
line=9179, expr=0x6b9958 "pos >= 0 && pos < dy->largest_")
at emacs.c:4089
#4 0x00000000004d8e91 in Dynarr_verify_pos_atp (d=0x1237920, pos=-1,
file=0x6d22e0 "redisplay.c", line=9179) at array.h:202
I was going to ask you to get more information, but I think it's right
there: "pos=-1". The Dynarr has not been initialized (it has
allocated no storage for content, only the storage management struct
is present). I don't know why this happens, but I've seen it in other
line 9179 crashes.
Cool! Well, not, but you know what I mean.
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