Regression: busybox gzip broken

Denys Vlasenko vda.linux at googlemail.com
Sat Oct 26 11:35:50 UTC 2019


On Fri, Oct 25, 2019 at 9:06 PM Aaro Koskinen <aaro.koskinen at iki.fi> wrote:
> Hi,
>
> This time gzip is broken, caused by:
>
> c763392458304d68951d0b22e89e2422b9c2f8ef is the first bad commit
> commit c763392458304d68951d0b22e89e2422b9c2f8ef
> Author: Denys Vlasenko <vda.linux at googlemail.com>
> Date:   Sat Oct 19 18:33:49 2019 +0200
>
>     gzip: code shrink
>
> Decompressing large gzip archive segfaults:
>
> $ busybox gzip -cd arm-rootfs.tar.gz > /dev/null
> Segmentation fault (core dumped)

Tried to reproduce, but it works for me.
Do you have a reproducer? (Or something I can download if it's huge)

By code review, I don't see what can be buggy in that change...


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