diff options
author | David Anderson <dvander@google.com> | 2021-11-11 01:55:27 +0000 |
---|---|---|
committer | Gao Xiang <hsiangkao@linux.alibaba.com> | 2021-11-11 22:09:01 +0800 |
commit | 06193c09ddf65c6625f9368331d745cc6b7235de (patch) | |
tree | 3cf08ae59a8ba8befea058bc4680b78bf374fecc /include | |
parent | fddb9155f7971d09b63aab39bbdb1b9285e30d85 (diff) | |
download | erofs-utils-06193c09ddf65c6625f9368331d745cc6b7235de.tar.gz |
erofs-utils: mkfs: fix integer overflow in erofs_blob_remap
When using --chunksize, partitions greater than 2GiB can fail to build
due to integer overflow in erofs_blob_remap.
Link: https://lore.kernel.org/r/20211111015527.2717076-1-dvander@google.com
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Signed-off-by: David Anderson <dvander@google.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/erofs/io.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/erofs/io.h b/include/erofs/io.h index 2597c5c..9d73adc 100644 --- a/include/erofs/io.h +++ b/include/erofs/io.h @@ -27,9 +27,9 @@ u64 dev_length(void); extern int erofs_devfd; -int erofs_copy_file_range(int fd_in, erofs_off_t *off_in, - int fd_out, erofs_off_t *off_out, - size_t length); +ssize_t erofs_copy_file_range(int fd_in, erofs_off_t *off_in, + int fd_out, erofs_off_t *off_out, + size_t length); static inline int blk_write(const void *buf, erofs_blk_t blkaddr, u32 nblocks) |