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Update seeds to account for the new pseudo-syscall prototype and the new
compressed Base64 syntax. This reduces `syz-imagegen` seed image space
requirements from 127 MB to 43 MB (measured using `du -ch syz_mount_image_*`).
Note that some filesystems are pathological for deflate, e.g. for `f2fs`
seed image space has increased from 320 KB to 2.1 MB. This discrepancy
should not be observed in corpuses after performing various filesystem
operations and image mutations - the previous ad-hoc compression is
highly efficient for near-empty images, but once images are modified deflate
should surpass it.
Tools/versions used are as in google@0d24140 and google@356d821.
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Now with the ability to change directory.
Regenerate on a VM which supports NTFS, using the same versions as
google/syzkaller@356d821720a2d24a4cc96f8c0b2b7a11c8882190.
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Regenerate on a VM which supports NTFS, using:
mkntfs libntfs-3g v2022.5.17
kernel v5.19.0
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Regenerate using the following versions:
mkfs.f2fs 1.14.0 (2020-08-24)
mkfs.btrfs btrfs-progs v5.18.1
mkfs.fat 4.2 (2021-01-31)
mkexfatfs 1.3.0
mkfs.bfs util-linux 2.38
mkfs.xfs 5.19.0
mkfs.minix util-linux 2.38
mkfs.reiserfs 3.6.27
mkfs.jfs 1.1.15 (2011-03-04)
mkntfs libntfs-3g v2022.5.17
mke2fs 1.46.5 (2021-12-30)
mkfs.gfs2 3.4.1
mkfs.ocfs2 1.8.7
mkfs.cramfs util-linux 2.38
genromfs 0.5.2
mkfs.erofs 1.5
makefs 20190105-3
mkudffs udftools 2.3
mkfs.jffs2 mtd-utils 2.1.4
mkfs.nilfs2 nilfs-utils 2.2.8
mksquashfs sqaushfs-tools 4.5.1
genisomage 1.1.11
NB: NTFS3 is not included here as my kernel does not seem to be compiled
with it.
No errors appear (except for failure to find NTFS3).
This commit also updates a comment in `imagegen.go` listing dependencies.
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5.15 kernel get new filesystem driver for ntfs called ntfs3. Old driver
is still in use so we do not delete it yet.
Generated test images are made with mkntfs v2021.8.22 (libntfs-3g) and
ntfs3 version from 5.17-rc7. For some reason I did not manage to
generate images with "-s 256" due some ntfs3 error. We can add those
later when we work out what is going on with those.
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