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Bug#1034012: zstd: Bug in zstd 1.5.6 testing

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Package: zstd
Version: 1.5.4+dfsg2-5
Followup-For: Bug #1034012

Dear Maintainer,

I am running a clean install of Raspian OS on a Raspberry Pi 5 w/ 8 GB RAM on a 32 GB microSD w/ OMV 7.

When I run the backup plugin, it calls dd and zstd to create a compressed image of the entire drive. 

Right now, the compressed image is around 800 MB, so less than 1:32 compression ratio.

zstd runs correctly only ONCE---but somehow breaks itself and/or liblz4-1, such that the backup
will not run (segmentation faults or finds corrupted libraries). When I reinstall those packages,
the backupu (zstd) will gain run correctly ONCE, but breaks itself again.

I checked the brand-new microSD with f3, and it has 0.00 errors.

I did a clean install of the entire system again, but the problem repeats itself.

I upgraded to zstd 1.5.6 testing to see if the bug had been fixed there, but the same problem occurs.

I have not tried the unstable branch.

Thank you very much!


*** Reporter, please consider answering these questions, where appropriate ***

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-- System Information:
Debian Release: 12.7
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable'), (100, 'testing')
Architecture: arm64 (aarch64)
Foreign Architectures: armhf

Kernel: Linux 6.6.47+rpt-rpi-2712 (SMP w/4 CPU threads; PREEMPT)
Kernel taint flags: TAINT_CRAP
Locale: LANG=C.UTF-8, LC_CTYPE=C.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to C.UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages zstd depends on:
ii  libc6       2.36-9+rpt2+deb12u8
ii  libgcc-s1   12.2.0-14
ii  liblz4-1    1.9.4-1
ii  liblzma5    5.4.1-0.2
ii  libstdc++6  12.2.0-14
ii  zlib1g      1:1.2.13.dfsg-1

zstd recommends no packages.

zstd suggests no packages.

-- no debconf information

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Bug#1034012: zstd: Bug in zstd 1.5.6 testing Brian Austin <btafssp@gmail.com> - 2024-09-25 18:40 +0200

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