stat: fix mount table read when /proc is unavailable#10300
Merged
ChrisDryden merged 3 commits intouutils:mainfrom Feb 12, 2026
Merged
stat: fix mount table read when /proc is unavailable#10300ChrisDryden merged 3 commits intouutils:mainfrom
ChrisDryden merged 3 commits intouutils:mainfrom
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ChrisDryden
reviewed
Jan 19, 2026
src/uu/stat/src/stat.rs
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| let mount_list = self.mount_list.get_or_init(|| { | ||
| // Try to populate mount list, but don't fail if we can't | ||
| Self::populate_mount_list().ok() |
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Even if we don't fail it appears that the GNU implementation provides a warning:
sudo unshare --mount sh -c 'mount -t tmpfs none /proc; stat --format="%m" /tmp'
I'm getting: "stat: cannot read table of mounted file systems: No such file or directory"
Only read mount information when needed (%m directive) and handle gracefully when /proc/self/mountinfo is not accessible, fixing stat failures in chroot environments without /proc mounted. see https://bugs.launchpad.net/ubuntu/+source/rust-coreutils/+bug/2133797
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ChrisDryden
approved these changes
Feb 11, 2026
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Just waiting on the CI but LGTM |
abendrothj
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Feb 17, 2026
Only read mount information when needed (%m directive) and handle gracefully when /proc/self/mountinfo is not accessible, fixing stat failures in chroot environments without /proc mounted. see https://bugs.launchpad.net/ubuntu/+source/rust-coreutils/+bug/2133797 Co-authored-by: Chris Dryden <christopher.paul.dryden@gmail.com>
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Only read mount information when needed (%m directive) and handle gracefully when /proc/self/mountinfo is not accessible, fixing stat failures in chroot environments without /proc mounted.
see https://bugs.launchpad.net/ubuntu/+source/rust-coreutils/+bug/2133797