On Wed, Jul 26, 2023 at 06:49:44PM -0600, Simon Glass wrote: > Hi Dan, > > On Tue, 25 Jul 2023 at 09:40, Dan Carpenter <[email protected]> wrote: > > > > The > comparison needs to be changed to >= to prevent an out of bounds > > write on th next line. > > > > Signed-off-by: Dan Carpenter <[email protected]> > > --- > > lib/addr_map.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/lib/addr_map.c b/lib/addr_map.c > > index 9b3e0a544e47..86e932e4b561 100644 > > --- a/lib/addr_map.c > > +++ b/lib/addr_map.c > > @@ -59,7 +59,7 @@ void *addrmap_phys_to_virt(phys_addr_t paddr) > > void addrmap_set_entry(unsigned long vaddr, phys_addr_t paddr, > > phys_size_t size, int idx) > > { > > - if (idx > CONFIG_SYS_NUM_ADDR_MAP) > > + if (idx >= CONFIG_SYS_NUM_ADDR_MAP) > > return; > > It looks like this function should return an error. >
If we hit this error path there probably isn't a reasonable way to recover. Maybe we could add a WARN()? regards, dan carpenter

