On Mon, Apr 19, 2021 at 4:01 PM Colin King <colin.king@xxxxxxxxxxxxx> wrote: > > From: Colin Ian King <colin.king@xxxxxxxxxxxxx> > > The size of the buffer than can be written to is currently incorrect, it is > always the size of the entire buffer even though the snprintf is writing > as position pos into the buffer. Fix this by setting the buffer size to be > the number of bytes left in the buffer, namely sizeof(buf) - pos. > > Addresses-Coverity: ("Out-of-bounds access") > Fixes: 7b0e2c4f6be3 ("wlcore: fix overlapping snprintf arguments in debugfs") > Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx> Acked-by: Arnd Bergmann <arnd@xxxxxxxx>