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| /openbmc/linux/fs/ext4/ |
| H A D | extents.c | 8dd27fec Wed Sep 08 07:08:48 CDT 2021 Zhang Yi <yi.zhang@huawei.com> ext4: check for out-of-order index extents in ext4_valid_extent_entries()
After commit 5946d089379a ("ext4: check for overlapping extents in
ext4_valid_extent_entries()"), we can check out the overlapping extent
entry in leaf extent blocks. But the out-of-order extent entry in index
extent blocks could also trigger bad things if the filesystem is
inconsistent. So this patch add a check to figure out the out-of-order
index extents and return error.
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Theodore Ts'o <tytso@mit.edu>
Link: https://lore.kernel.org/r/20210908120850.4012324-2-yi.zhang@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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