[Bug 259011] unzip omits a check for NULL and can cause pathdup() to seg-fault

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 259011] unzip omits a check for NULL and can seg-fault"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 09 Oct 2021 06:33:41 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=259011

Alex Kozlov <ak@FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |ak@FreeBSD.org

--- Comment #2 from Alex Kozlov <ak@FreeBSD.org> ---
I think this is regression in the libarchive. The libarchive from 12-STABLE
returns:
$unzip -n - < unzip1.zip
Archive:  (null)
unzip: Malformed extra data: Consumed 4598 bytes of 4600 bytes

The fix for unzip is simple enough though, something like this (lightly
tested).

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