Re: [PATCH v3 1/3] kernfs: Convert kernfs_walk_ns() from strlcpy() to strscpy()

On Tue, Dec 12, 2023 at 01:17:38PM -0800, Kees Cook wrote: > strlcpy() reads the entire source buffer first. This read may exceed > the destination size limit. This is both inefficient and can lead > to linear read overflows if a source string is not NUL-terminated[1]. > Additionally, it returns th

[PATCH v3 1/3] kernfs: Convert kernfs_walk_ns() from strlcpy() to strscpy()

strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated[1]. Additionally, it returns the size of the source string, not the resulting size of the destinat