From: Xin Yin <yinxin.x@xxxxxxxxxxxxx>
commit 8fca8a2b0a822f7936130af7299d2fd7f0a66714 upstream.
should not use fast commit log data directly, add le32_to_cpu().
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Fixes: 0b5b5a62b945 ("ext4: use ext4_ext_remove_space() for fast commit replay delete range")
Cc: stable@xxxxxxxxxx
Signed-off-by: Xin Yin <yinxin.x@xxxxxxxxxxxxx>
Reviewed-by: Ritesh Harjani <riteshh@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20220126063146.2302-1-yinxin.x@xxxxxxxxxxxxx
Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/ext4/fast_commit.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/fs/ext4/fast_commit.c
+++ b/fs/ext4/fast_commit.c
@@ -1819,8 +1819,9 @@ ext4_fc_replay_del_range(struct super_bl
}
down_write(&EXT4_I(inode)->i_data_sem);
- ret = ext4_ext_remove_space(inode, lrange.fc_lblk,
- lrange.fc_lblk + lrange.fc_len - 1);
+ ret = ext4_ext_remove_space(inode, le32_to_cpu(lrange.fc_lblk),
+ le32_to_cpu(lrange.fc_lblk) +
+ le32_to_cpu(lrange.fc_len) - 1);
up_write(&EXT4_I(inode)->i_data_sem);
if (ret)
goto out;
Patches currently in stable-queue which might be from yinxin.x@xxxxxxxxxxxxx are
queue-5.16/ext4-fix-incorrect-type-issue-during-replay_del_range.patch
queue-5.16/ext4-prevent-used-blocks-from-being-allocated-during-fast-commit-replay.patch
queue-5.16/ext4-modify-the-logic-of-ext4_mb_new_blocks_simple.patch
