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[1.1] Fix some file mode bits missing when doing mount syscall #3961

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merged 2 commits into from
Aug 3, 2023
Merged

[1.1] Fix some file mode bits missing when doing mount syscall #3961

merged 2 commits into from
Aug 3, 2023

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lifubang
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@lifubang lifubang commented Aug 3, 2023 •
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This the backport of #3956 to release-1.1, the original description is:

Fix #3952

When we call unix.Mount, if we use file mode bits from the bits with the type fs.FileMode directly, it will cause some bits missing.

Please refer: https://github.com/golang/go/blob/master/src/os/file.go#L258-L265

More details: https://www.gnu.org/software/coreutils/manual/html_node/Mode-Structure.html

lifubang added 2 commits August 3, 2023 11:31
@lifubang
fix some file mode bits missing when doing mount syscall
3d3a2b3 
Signed-off-by: lifubang <lifubang@acmcoder.com>
(cherry picked from commit 6092a4b)
@lifubang
add a test case about missing stricky bit
aaed58c 
Signed-off-by: lifubang <lifubang@acmcoder.com>
(cherry picked from commit 83137c6)
Signed-off-by: lifubang <lifubang@acmcoder.com>
cyphar
cyphar approved these changes Aug 3, 2023
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LGTM

@lifubang lifubang added the backport/1.1-pr A backport PR to release-1.1 label Aug 3, 2023
@kolyshkin kolyshkin added this to the 1.1.9 milestone Aug 3, 2023
kolyshkin
kolyshkin approved these changes Aug 3, 2023
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LGTM

@kolyshkin kolyshkin merged commit aa68c40 into opencontainers:release-1.1 Aug 3, 2023
@kolyshkin kolyshkin mentioned this pull request Aug 3, 2023
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kolyshkin referenced this pull request Aug 10, 2023
@cpuguy83
Fix tmpfs mode opts when dir already exists
9fa8b9d 
When a directory already exists (or after a container is restarted) the
perms of the directory being mounted to were being used even when a
different permission is set on the tmpfs mount options.

This prepends the original directory perms to the mount options.
If the perms were already set in the mount opts then those perms will
win.
This eliminates the need to perform a chmod after mount entirely.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
@kolyshkin kolyshkin mentioned this pull request Aug 10, 2023
Merged
@lifubang lifubang deleted the backport-ModeStricky branch October 15, 2024 05:50
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@kolyshkin kolyshkin kolyshkin approved these changes

@cyphar cyphar cyphar approved these changes

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