Public bug reported:
In the rust-coreutils versions currently in the archive, dd fails to
write partial blocks with the O_DIRECT flag. This is currently causing
autopkgtest failures for packages such as cryptsetup.
This issue is known upstream[1] and has been fixed in rust-coreutils
0.4.0[2].
Upgrading rust-coreutils to 0.4.0 will fix this bug.
================
Bug reproduction
================
Create a file with a size that's not a multiple of block size (3 8K blocks +
511 bytes):
root@test:~# for run in {1..25087}; do echo -n -e '\x42' >>
test_direct_input.iso; done
root@test:~# dd if=/root/test_direct_input.iso of=/root/test_direct_output.img
oflag=direct bs=8192 status=none
dd: IO error: Invalid input
This bug is reproducible for rust-coreutils 0.2.2 and 0.3.0.
[1]: https://github.com/uutils/coreutils/issues/9003
[2]: https://github.com/uutils/coreutils/pull/9016
** Affects: rust-coreutils (Ubuntu)
Importance: Undecided
Status: New
** Tags: update-excuse
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https://bugs.launchpad.net/bugs/2132150
Title:
dd: O_DIRECT partial block writes fail
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