Re: [f2fs-dev] [PATCH] f2fs: prevent possible int overflow in dir_block_index()

Hello:

This patch was applied to jaegeuk/f2fs.git (dev) by Jaegeuk Kim jaegeuk@kernel.org:

On Wed, 24 Jul 2024 10:05:44 -0700 you wrote:

The result of multiplication between values derived from functions dir_buckets() and bucket_blocks() *could* technically reach 2^30 * 2^2 = 2^32.

While unlikely to happen, it is prudent to ensure that it will not lead to integer overflow. Thus, use mul_u32_u32() as it's more appropriate to mitigate the issue.

[...]

Here is the summary with links: - [f2fs-dev] f2fs: prevent possible int overflow in dir_block_index() https://git.kernel.org/jaegeuk/f2fs/c/47f268f33dff

You are awesome, thank you!