Broken ubifs-zstd

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On Tue, Sep 27, 2022 at 7:47 PM Ahmad Fatoum <a.fatoum at pengutronix.de> wrote:
>
> Hello Enrico,
>
> On 27.09.22 18:21, Enrico Scholz wrote:
> > Hello,
> >
> > trying to mount a zstd compressed ubifs fails on an iMX6ULL with
> >
> > | ERROR: UBIFS error (ubi0:0): 9fe6691d: cannot decompress 2612 bytes, compressor zstd, error -22
> > | ERROR: UBIFS error (ubi0:0): 9fe6692d: cannot decompress 2612 bytes, compressor zstd, error -22
> > | ERROR: UBIFS error (ubi0:0): 9fe66a65: bad data node (block 0, inode 815)
> > | ERROR:  magic          0x6101831
> >
> > (2022.09 and master).
> >
> >
> > After reverting
> >
> > | commit b4a9782d4f56333e897dccc35c2c27e2605f6b93
> > | Author: Ahmad Fatoum <a.fatoum at pengutronix.de>
> > | Date:   Wed Jul 13 12:09:18 2022 +0200
> > |
> > |     lib: zstd: sync with Linux
> >
> > it works again (both in Linux 5.15 and barebox).
> >
> >
> > ubifs was created by recent OpenEmbedded kirkstone with
> >
> > | MKUBIFS_ARGS = "-F -m 2048 -e 126976 -c 2048 --compr=zstd"
> >
> >
> > Warnings are triggered (after fixing assert()) at
> >
> > | WARNING: at lib/zstd/decompress/../common/bitstream.h:390/BIT_reloadDStreamFast()!
> >
> >
> > Is anybody else experiencing these problems?
>
>
> I am afraid, I didn't properly test this with UBIFS..
>
> >
> >
> >
> > Enrico
> >
> >
>
>
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