The branch stable/15 has been updated by kbowling: URL: https://cgit.FreeBSD.org/src/commit/?id=0b59bbcd52dacdc7c4aeb0f29ef400f8e854b8a3
commit 0b59bbcd52dacdc7c4aeb0f29ef400f8e854b8a3 Author: Kevin Bowling <[email protected]> AuthorDate: 2026-08-11 19:00:51 +0000 Commit: Kevin Bowling <[email protected]> CommitDate: 2026-08-25 00:27:26 +0000 e1000: Avoid a signed multicast bitmap shift The multicast hash bit can be 31. Use an unsigned value so setting the bit cannot shift a signed integer into its sign bit. (cherry picked from commit a86d65b2c99bab3fe46389b3b51ad27956dccfe9) --- sys/dev/e1000/e1000_mac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/dev/e1000/e1000_mac.c b/sys/dev/e1000/e1000_mac.c index eb2c29d153dc..46e91773c126 100644 --- a/sys/dev/e1000/e1000_mac.c +++ b/sys/dev/e1000/e1000_mac.c @@ -611,7 +611,7 @@ void e1000_update_mc_addr_list_generic(struct e1000_hw *hw, hash_reg = (hash_value >> 5) & (hw->mac.mta_reg_count - 1); hash_bit = hash_value & 0x1F; - hw->mac.mta_shadow[hash_reg] |= (1 << hash_bit); + hw->mac.mta_shadow[hash_reg] |= 1U << hash_bit; mc_addr_list += (ETHER_ADDR_LEN); }
