On 2024/7/25 1:05, Nikita Zhandarovich 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. Found by Linux Verification Center (linuxtesting.org) with static analysis tool SVACE. Fixes: 3843154598a0 ("f2fs: introduce large directory support") Cc: [email protected] Signed-off-by: Nikita Zhandarovich <[email protected]>
Reviewed-by: Chao Yu <[email protected]> Thanks, _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
