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Re: Bug: heap-buffer-overflow in function _nc_find_entry
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From: |
Sven Joachim |
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Subject: |
Re: Bug: heap-buffer-overflow in function _nc_find_entry |
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Date: |
Sat, 12 Oct 2019 21:29:41 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
On 2019-10-11 20:00 -0400, Thomas Dickey wrote:
> On Fri, Oct 11, 2019 at 04:59:52PM +0800, address@hidden wrote:
>> POC: https://github.com/zjuchenyuan/fuzzpoc/raw/master/infotocap_poc6
>
> I tested poc1-poc6 with valgrind on two different machines and it doesn't
> see a problem with poc2, poc4 or poc6 (but I'll study the trace to see
> what you might be reporting).
FWIW, poc[1267] cause segfaults in a build with the Debian options (but
poc[345] do not). I can send gdb backtraces if desired, but almost
every variable is <optimized out>, and without optimization there are no
crashes. :-(
Cheers,
Sven