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Re: Bug#251378: zsh: segfaults when globing includes too many files

X-seq: zsh-workers 20135
From: Clint Adams <clint@xxxxxxx>
To: zsh-workers@xxxxxxxxxx
Subject: Re: Bug#251378: zsh: segfaults when globing includes too many files
Date: Tue, 6 Jul 2004 15:22:23 -0400
Cc: Matt Zimmerman <mdz@xxxxxxxxxx>, 251378@xxxxxxxxxxxxxxx, 251378-submitter@xxxxxxxxxx
In-reply-to: <20040706185926.GA14980@xxxxxxxxxxx>
Mailing-list: contact zsh-workers-help@xxxxxxxxxx; run by ezmlm
References: <20040528131425.GC2289@xxxxxxxxxx> <20040528135026.GA21637@xxxxxxxxxxx> <20040528135729.GD2289@xxxxxxxxxx> <20040528141431.GA30024@xxxxxxxxxxx> <20040528142505.GE2289@xxxxxxxxxx> <20040528174021.GA5975@xxxxxxxxxxx> <20040528190653.GA2661@xxxxxxxxxx> <20040706181235.GA32727@xxxxxxxxxxx> <20040706184752.GC1881@xxxxxxxxx> <20040706185926.GA14980@xxxxxxxxxxx>

> I can't reproduce this yet, but some people are experiencing segfaults
> when globbing in /usr/share/doc.  The source shown below includes 19920.
> This also happens with HEAD, I think.

Also this.  So h->next is getting corrupted somewhere?

--Fwd--
(gdb) list
348     #endif
349
350         /* find a heap with enough free space */
351
352         for (h = ((fheap && ARENA_SIZEOF(fheap) >= (size + fheap->used))
353                   ? fheap : heaps);
354              h; h = h->next) {
355             if (ARENA_SIZEOF(h) >= (n = size + h->used)) {
356                 void *ret;
357
(gdb) print fheap
$8 = 0x40343000
(gdb) print fheap->used
Cannot access memory at address 0x40343008
(gdb)
--Fwd--

Follow-Ups:
- Re: Bug#251378: zsh: segfaults when globing includes too many files
  - From: Peter Stephenson

References:
- Re: Bug#251378: zsh: segfaults when globing includes too many files
  - From: Clint Adams

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