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- #!/bin/bash
- (
- set -e
- mkdir -p /mnt/test /tmp/usr
- mount none /mnt/test -t overlayfs -o lowerdir=/usr,upperdir=/tmp/usr
- /mnt/test/bin/tail -f /dev/null&
- ls -lart /proc/$!/exe
- kill $!
- umount /mnt/test
- rmdir /mnt/test /tmp/usr
- )
- # If a red broken link to /bin/tail is printed then the bug exists. If the link points to /mnt/test/bin/tail then there is no bug in the currently running kernel.
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