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(parent: 1e83bc8) | patch
ext4: protect journal inode's blocks using block_validity
authorTheodore Ts'o <tytso@mit.edu>
Wed, 10 Apr 2019 03:37:08 +0000 (23:37 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Wed, 10 Apr 2019 03:37:08 +0000 (23:37 -0400)
commit345c0dbf3a30872d9b204db96b5857cd00808cae
treea24a40bc40343396f6a776d87b5d58d83617d476tree | snapshot
parent1e83bc8156028a938845a869a3317c3cab9630accommit | diff
ext4: protect journal inode's blocks using block_validity

Add the blocks which belong to the journal inode to block_validity's
system zone so attempts to deallocate or overwrite the journal due a
corrupted file system where the journal blocks are also claimed by
another inode.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=202879
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
fs/ext4/block_validity.c diff | blob | history
fs/ext4/inode.c diff | blob | history
Domain: System / Kernel;