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If realloc failed, raw was not freed and thus memory
was leaked.
Signed-off-by: Francois Berder <fberder@outlook.fr>
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The assignments to sect and off use the pointer from ctxt.cur_dev but
that has not been NULL checked before this is done. So instead move the
assignments after the NULL check.
This issue found by Smatch
Signed-off-by: Andrew Goodbody <andrew.goodbody@linaro.org>
Reviewed-by: Gao Xiang <xiang@kernel.org>
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See the original report [1], otherwise len + 1 will be overflowed.
Note that EROFS archive can record arbitary symlink sizes in principle,
so we don't assume a short number like 4096.
[1] https://lore.kernel.org/r/20250210164151.GN1233568@bill-the-cat
Fixes: 830613f8f5bb ("fs/erofs: add erofs filesystem support")
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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Here the size should be `length - skip`, otherwise it could cause
the destination buffer overflow.
Reported-by: jianqiang wang <wjq.sec@gmail.com>
Fixes: 65cb73057b65 ("fs/erofs: add lz4 decompression support")
Signed-off-by: Jianan Huang <jnhuang95@gmail.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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This patch adds DEFLATE compression algorithm support. It's a good choice
to trade off between compression ratios and performance compared to LZ4.
Alternatively, DEFLATE could be used for some specific files since EROFS
supports multiple compression algorithms in one image.
Signed-off-by: Jianan Huang <jnhuang95@gmail.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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At present listing a partition produces lots of errors about this
filesystem:
=> part list mmc 4
cannot find valid erofs superblock
cannot find valid erofs superblock
cannot read erofs superblock: -5
[9 more similar lines]
Use debugging rather than errors when unable to find a signature, as is
done with other filesystems.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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In [1] Sam points out an assertion does not hold true for 32-bit
platforms, which only impacts Large File Support (LFS) API usage
in erofs-utils according to Xiang [2]. We don't think these APIs
are used in u-boot and this restriction could be safely removed.
[1] https://lists.denx.de/pipermail/u-boot/2023-July/524679.html
[2] https://lists.denx.de/pipermail/u-boot/2023-July/524727.html
Fixes: 3a21e92fc255 ("fs/erofs: Introduce new features including ztailpacking, fragments and dedupe")
Signed-off-by: Yifan Zhao <zhaoyifan@sjtu.edu.cn>
Tested-by: Sam Edwards <CFSworks@gmail.com>
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This patch updates erofs driver code to catch up with the latest code of
erofs_utils (commit e4939f9eaa177e05d697ace85d8dc283e25dc2ed).
LZMA will be supported in the separate patch later.
Signed-off-by: Yifan Zhao <zhaoyifan@sjtu.edu.cn>
Reviewed-by: Huang Jianan <jnhuang95@gmail.com>
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This converts 1 usage of this option to the non-SPL form, since there is
no SPL_FS_EROFS defined in Kconfig
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Huang Jianan <jnhuang95@gmail.com>
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fs_set_blk_dev() probes all file-systems until it finds one that matches
the volume. We do not expect any console output for non-matching
file-systems.
Convert error messages in erofs_read_superblock() to debug output.
Fixes: 830613f8f5bb ("fs/erofs: add erofs filesystem support")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Huang Jianan <jnhuang95@gmail.com>
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Support EROFS lz4 compressed files.
Signed-off-by: Huang Jianan <jnhuang95@gmail.com>
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This patch mainly deals with uncompressed files.
Signed-off-by: Huang Jianan <jnhuang95@gmail.com>
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