[PATCH openEuler-22.03-LTS 0/5] ext4: fix some ext4_lblk_t overflow issues

Baokun Li (4): ext4: add two helper functions extent_logical_end() and pa_logical_end() ext4: fix BUG in ext4_mb_new_inode_pa() due to overflow ext4: avoid overlapping preallocations due to overflow ext4: prevent the normalized size from exceeding EXT_MAX_BLOCKS

Ojaswin Mujoo (1): ext4: Fix best extent lstart adjustment logic in ext4_mb_new_inode_pa()

fs/ext4/mballoc.c | 70 +++++++++++++++++++++++++++-------------------- fs/ext4/mballoc.h | 14 ++++++++++ 2 files changed, 54 insertions(+), 30 deletions(-)