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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Shuah Khan , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt Cc: oe-kbuild-all@lists.linux.dev, Linux Memory Management List , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, llvm@lists.linux.dev, Tamir Duberstein Subject: Re: [PATCH] blackhole_dev: convert self-test to KUnit Message-ID: <202502090248.Ed6S8p8J-lkp@intel.com> References: <20250207-blackholedev-kunit-convert-v1-1-8ef0dc1ff881@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250207-blackholedev-kunit-convert-v1-1-8ef0dc1ff881@gmail.com> X-Rspamd-Queue-Id: 6A13CC0002 X-Stat-Signature: i11oi7udkbfoj7ozoe4ewz3xhgpa6551 X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1739039208-512352 X-HE-Meta: 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 rOmtR9Up 6sHcZd2H+FYpRIfhYwlmOVDigdHWf9DCnrIbyHjuNV46cqPEFObarsMACwbYCaRA/gNlpCWZY1fkYmpb5qeFayO/IMnJ5b/RMR8wQl+WwAW5rqsBlTTw7EySvV8YudUQxH9s5p7bI9vI3G+d6md0Gvfzw2pp8NUu18zVkizGzfwMjiVys7EwvWo2T17Bu48jvWOF1sSo48LQwPLPP7AsomrDy6Lh4togmhspqkY0Rfzx/3+uwlQF0KtzO+/j0bCXSlN4Tknh9o2A+vV1Aj2sLWKakrDTA/4iGcDL7rpKNm4twSY7Jo826wdqurXPHuIGaCb2YhmNqCxjKeCxJFg8gEVR7xC1GDvDhCDmk2BAyS1FEpr+F8T0ClU4f+/+QjMaarQMt00keP5E0TxfH8ecrNyRbLw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Tamir, kernel test robot noticed the following build warnings: [auto build test WARNING on 2014c95afecee3e76ca4a56956a936e23283f05b] url: https://github.com/intel-lab-lkp/linux/commits/Tamir-Duberstein/blackhole_dev-convert-self-test-to-KUnit/20250208-074037 base: 2014c95afecee3e76ca4a56956a936e23283f05b patch link: https://lore.kernel.org/r/20250207-blackholedev-kunit-convert-v1-1-8ef0dc1ff881%40gmail.com patch subject: [PATCH] blackhole_dev: convert self-test to KUnit config: riscv-randconfig-r123-20250208 (https://download.01.org/0day-ci/archive/20250209/202502090248.Ed6S8p8J-lkp@intel.com/config) compiler: riscv64-linux-gcc (GCC) 14.2.0 reproduce: (https://download.01.org/0day-ci/archive/20250209/202502090248.Ed6S8p8J-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202502090248.Ed6S8p8J-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> lib/blackhole_dev_kunit.c:55:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [usertype] payload_len @@ got unsigned long @@ lib/blackhole_dev_kunit.c:55:27: sparse: expected restricted __be16 [usertype] payload_len lib/blackhole_dev_kunit.c:55:27: sparse: got unsigned long vim +55 lib/blackhole_dev_kunit.c 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 26 a644885645ce867 lib/blackhole_dev_kunit.c Tamir Duberstein 2025-02-07 27 static void test_blackholedev(struct kunit *test) 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 28 { 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 29 struct ipv6hdr *ip6h; 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 30 struct sk_buff *skb; 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 31 struct udphdr *uh; 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 32 int data_len; 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 33 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 34 skb = alloc_skb(SKB_SIZE, GFP_KERNEL); a644885645ce867 lib/blackhole_dev_kunit.c Tamir Duberstein 2025-02-07 35 KUNIT_ASSERT_NOT_NULL(test, skb); 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 36 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 37 /* Reserve head-room for the headers */ 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 38 skb_reserve(skb, HEAD_SIZE); 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 39 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 40 /* Add data to the skb */ 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 41 data_len = SKB_SIZE - (HEAD_SIZE + TAIL_SIZE); 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 42 memset(__skb_put(skb, data_len), 0xf, data_len); 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 43 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 44 /* Add protocol data */ 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 45 /* (Transport) UDP */ 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 46 uh = (struct udphdr *)skb_push(skb, sizeof(struct udphdr)); 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 47 skb_set_transport_header(skb, 0); 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 48 uh->source = uh->dest = htons(UDP_PORT); 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 49 uh->len = htons(data_len); 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 50 uh->check = 0; 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 51 /* (Network) IPv6 */ 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 52 ip6h = (struct ipv6hdr *)skb_push(skb, sizeof(struct ipv6hdr)); 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 53 skb_set_network_header(skb, 0); 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 54 ip6h->hop_limit = 32; 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 @55 ip6h->payload_len = data_len + sizeof(struct udphdr); 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 56 ip6h->nexthdr = IPPROTO_UDP; 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 57 ip6h->saddr = in6addr_loopback; 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 58 ip6h->daddr = in6addr_loopback; 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 59 /* Ether */ 843a8851e89e2e8 lib/test_blackhole_dev.c Breno Leitao 2024-02-02 60 skb_push(skb, sizeof(struct ethhdr)); 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 61 skb_set_mac_header(skb, 0); 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 62 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 63 skb->protocol = htons(ETH_P_IPV6); 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 64 skb->pkt_type = PACKET_HOST; 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 65 skb->dev = blackhole_netdev; 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 66 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 67 /* Now attempt to send the packet */ a644885645ce867 lib/blackhole_dev_kunit.c Tamir Duberstein 2025-02-07 68 KUNIT_EXPECT_EQ(test, dev_queue_xmit(skb), NET_XMIT_SUCCESS); 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 69 } 509e56b37cc32c9 lib/test_blackhole_dev.c Mahesh Bandewar 2019-07-01 70 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki