On Sun, 4 Aug 2024 22:20:34 +0100, Al Viro wrote: > Alternatively, just check ->i_size after assignment. loff_t is > always a 64bit signed; le32_to_cpu() returns 32bit unsigned. > Conversion from u32 to s64 is always going to yield a non-negative > result; comparison with PAGE_SIZE is all you need there. It is int overflow, not others. Please see my V7 patch, Link: https://lore.kernel.org/all/20240803074349.3599957-1-lizhi.xu@xxxxxxxxxxxxx/ -- Lizhi
