On Sat, Oct 31, 2020 at 09:07:50AM +0800, Qu Wenruo wrote: > In __btrfs_map_block() we do a int * int and assign it to u64. > This is not safe as the result (int * int) is still evaluated as (int) > thus it can overflow. > > Convert one of the multiplier to u64 to prevent such problem. > > In real world, this should not cause problem as we have device number > limit thus it won't go beyond 4G for a single stripe. > > But it's harder to teach coverity about all these hidden limits, so just > fix the possible overflow. > > Reported-by: Coverity CID 312957 > Reported-by: Coverity CID 312948 > Signed-off-by: Qu Wenruo <w...@suse.com>
Applied to u-boot/master, thanks! -- Tom
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