> -----Original Message----- > From: Intel-wired-lan <intel-wired-lan-bounces@xxxxxxxxxx> On Behalf Of > Colin King > Sent: Wednesday, March 31, 2021 7:46 AM > To: Brandeburg, Jesse <jesse.brandeburg@xxxxxxxxx>; Nguyen, Anthony L > <anthony.l.nguyen@xxxxxxxxx>; David S . Miller <davem@xxxxxxxxxxxxx>; > Jakub Kicinski <kuba@xxxxxxxxxx>; Cao, Chinh T <chinh.t.cao@xxxxxxxxx>; > intel-wired-lan@xxxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx > Cc: kernel-janitors@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx > Subject: [Intel-wired-lan] [PATCH][next] ice: Fix potential infinite loop when > using u8 loop counter > > From: Colin Ian King <colin.king@xxxxxxxxxxxxx> > > A for-loop is using a u8 loop counter that is being compared to a u32 > cmp_dcbcfg->numapp to check for the end of the loop. If cmp_dcbcfg- > >numapp is larger than 255 then the counter j will wrap around to zero and > hence an infinite loop occurs. Fix this by making counter j the same type as > cmp_dcbcfg->numapp. > > Addresses-Coverity: ("Infinite loop") > Fixes: aeac8ce864d9 ("ice: Recognize 860 as iSCSI port in CEE mode") > Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx> > --- > drivers/net/ethernet/intel/ice/ice_dcb.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) Tested-by: Tony Brelinski <tonyx.brelinski@xxxxxxxxx> A Contingent Worker at Intel