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author | Seunghun Lee <waydi1@gmail.com> | 2015-01-02 18:26:49 +0100 |
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committer | Miklos Szeredi <mszeredi@suse.cz> | 2015-01-08 14:47:21 +0100 |
commit | 3cdf6fe91041b3afd6761f76254f7b6cbe8020fc (patch) | |
tree | 5ec7e50d2280727e59da23dd6af59c12d3c009d2 /Documentation/filesystems | |
parent | ovl: Fix opaque regression in ovl_lookup (diff) | |
download | linux-3cdf6fe91041b3afd6761f76254f7b6cbe8020fc.tar.xz linux-3cdf6fe91041b3afd6761f76254f7b6cbe8020fc.zip |
ovl: Prevent rw remount when it should be ro mount
Overlayfs should be mounted read-only when upper-fs is read-only or nonexistent.
But now it can be remounted read-write and this can cause kernel panic.
So we should prevent read-write remount when the above situation happens.
Signed-off-by: Seunghun Lee <waydi1@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Diffstat (limited to 'Documentation/filesystems')
0 files changed, 0 insertions, 0 deletions