On 11/14/2025 7:21 PM, Stephen Hemminger wrote:
Gcc-16 complains about possible reference outside of array when managing flex filter. This is a false positive because the filter length can never be that long, but compiler can't detect that. Add guard rail check to only loop over possible array.../drivers/net/intel/e1000/igb_ethdev.c:4265:23: note: at offset 152 into destination object of size 176 allocated by ‘rte_zmalloc’ 4265 | flex_filter = rte_zmalloc("e1000_flex_filter", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 4266 | sizeof(struct e1000_flex_filter), 0); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../drivers/net/intel/e1000/igb_ethdev.c:4280:50: warning: writing 64 bytes into a region of size 0 [-Wstringop-overflow=] 4280 | flex_filter->filter_info.mask[i] = mask; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~ Signed-off-by: Stephen Hemminger <[email protected]> ---
Reviewed-by: Anatoly Burakov <[email protected]> -- Thanks, Anatoly
