unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
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ext4: fix incorrect type issue during replay_del_range

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should not use fast commit log data directly, add le32_to_cpu().

Reported-by: kernel test robot <lkp@intel.com>
Fixes: 0b5b5a62b9 ("ext4: use ext4_ext_remove_space() for fast commit replay delete range")
Cc: stable@kernel.org
Signed-off-by: Xin Yin <yinxin.x@bytedance.com>
Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com>
Link: https://lore.kernel.org/r/20220126063146.2302-1-yinxin.x@bytedance.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Xin Yin 2022-01-26 14:31:46 +08:00 committed by Theodore Ts'o
parent 715a67f11d
commit 8fca8a2b0a
1 changed files with 3 additions and 2 deletions
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5
fs/ext4/fast_commit.c
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@ -1794,8 +1794,9 @@ ext4_fc_replay_del_range(struct super_block *sb, struct ext4_fc_tl *tl,
}
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;