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X-IronPort-AV: E=McAfee;i="6600,9927,11018"; a="6418373" X-IronPort-AV: E=Sophos;i="6.07,138,1708416000"; d="scan'208";a="6418373" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Mar 2024 20:04:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,138,1708416000"; d="scan'208";a="14023626" Received: from lkp-server01.sh.intel.com (HELO b21307750695) ([10.239.97.150]) by fmviesa009.fm.intel.com with ESMTP; 19 Mar 2024 20:04:57 -0700 Received: from kbuild by b21307750695 with local (Exim 4.96) (envelope-from ) id 1rmmG6-000IHR-1l; Wed, 20 Mar 2024 03:04:54 +0000 Date: Wed, 20 Mar 2024 11:04:38 +0800 From: kernel test robot To: Yunsheng Lin Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: [linyunsheng:page_frag_cache_prototype 78/78] net/mptcp/protocol.c:1825:8: error: incompatible pointer types assigning to 'struct page_frag *' from 'struct page_frag_cache *' Message-ID: <202403201106.yeRFS1lC-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://github.com/gestionlin/linux.git page_frag_cache_prototype head: 7315604eb1d087836123bc9670d2be420a42d37f commit: 7315604eb1d087836123bc9670d2be420a42d37f [78/78] net: replace page_frag with page_frag_cache config: s390-defconfig (https://download.01.org/0day-ci/archive/20240320/202403201106.yeRFS1lC-lkp@intel.com/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 8f68022f8e6e54d1aeae4ed301f5a015963089b7) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240320/202403201106.yeRFS1lC-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/202403201106.yeRFS1lC-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from net/mptcp/protocol.c:10: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/s390/include/asm/elf.h:173: In file included from arch/s390/include/asm/mmu_context.h:11: In file included from arch/s390/include/asm/pgalloc.h:18: In file included from include/linux/mm.h:2208: include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 508 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 509 | item]; | ~~~~ include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 515 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 516 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 527 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 528 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 536 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 537 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ In file included from net/mptcp/protocol.c:11: In file included from include/linux/netdevice.h:38: In file included from include/net/net_namespace.h:43: In file included from include/linux/skbuff.h:28: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:78: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) | ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' 102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) | ^ In file included from net/mptcp/protocol.c:11: In file included from include/linux/netdevice.h:38: In file included from include/net/net_namespace.h:43: In file included from include/linux/skbuff.h:28: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:78: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' 115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) | ^ In file included from net/mptcp/protocol.c:11: In file included from include/linux/netdevice.h:38: In file included from include/net/net_namespace.h:43: In file included from include/linux/skbuff.h:28: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:78: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 692 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 700 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 708 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 717 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 726 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 735 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> net/mptcp/protocol.c:1825:8: error: incompatible pointer types assigning to 'struct page_frag *' from 'struct page_frag_cache *' [-Werror,-Wincompatible-pointer-types] 1825 | pfrag = sk_page_frag(sk); | ^ ~~~~~~~~~~~~~~~~ 17 warnings and 1 error generated. vim +1825 net/mptcp/protocol.c 29b5e5ef873979 Paolo Abeni 2024-03-01 1787 d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1788 static int mptcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1789 { d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1790 struct mptcp_sock *msk = mptcp_sk(sk); 17091708d1e503 Florian Westphal 2020-05-16 1791 struct page_frag *pfrag; 6d0060f600adfd Mat Martineau 2020-01-21 1792 size_t copied = 0; caf971df01b86f Paolo Abeni 2020-11-16 1793 int ret = 0; 6d0060f600adfd Mat Martineau 2020-01-21 1794 long timeo; f870fa0b576884 Mat Martineau 2020-01-21 1795 987858e5d026d3 Paolo Abeni 2021-04-23 1796 /* silently ignore everything else */ 1e777f39b4d75e Dmytro Shytyi 2022-11-25 1797 msg->msg_flags &= MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL | MSG_FASTOPEN; 987858e5d026d3 Paolo Abeni 2021-04-23 1798 6511882cdd82d6 Paolo Abeni 2021-10-26 1799 lock_sock(sk); 1954b86016cf85 Mat Martineau 2020-02-28 1800 08e39c0dfa29f2 Eric Dumazet 2023-08-16 1801 if (unlikely(inet_test_bit(DEFER_CONNECT, sk) || 08e39c0dfa29f2 Eric Dumazet 2023-08-16 1802 msg->msg_flags & MSG_FASTOPEN)) { d98a82a6afc764 Dmytro Shytyi 2022-09-26 1803 int copied_syn = 0; d98a82a6afc764 Dmytro Shytyi 2022-09-26 1804 a2702a076e7378 Paolo Abeni 2023-04-14 1805 ret = mptcp_sendmsg_fastopen(sk, msg, len, &copied_syn); d98a82a6afc764 Dmytro Shytyi 2022-09-26 1806 copied += copied_syn; fa9e57468aa10e Paolo Abeni 2022-10-21 1807 if (ret == -EINPROGRESS && copied_syn > 0) d98a82a6afc764 Dmytro Shytyi 2022-09-26 1808 goto out; fa9e57468aa10e Paolo Abeni 2022-10-21 1809 else if (ret) 69800e516e968f Paolo Abeni 2022-09-30 1810 goto do_error; d98a82a6afc764 Dmytro Shytyi 2022-09-26 1811 } d98a82a6afc764 Dmytro Shytyi 2022-09-26 1812 1954b86016cf85 Mat Martineau 2020-02-28 1813 timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT); 1954b86016cf85 Mat Martineau 2020-02-28 1814 1954b86016cf85 Mat Martineau 2020-02-28 1815 if ((1 << sk->sk_state) & ~(TCPF_ESTABLISHED | TCPF_CLOSE_WAIT)) { 1954b86016cf85 Mat Martineau 2020-02-28 1816 ret = sk_stream_wait_connect(sk, &timeo); 1954b86016cf85 Mat Martineau 2020-02-28 1817 if (ret) 69800e516e968f Paolo Abeni 2022-09-30 1818 goto do_error; 1954b86016cf85 Mat Martineau 2020-02-28 1819 } 1954b86016cf85 Mat Martineau 2020-02-28 1820 69800e516e968f Paolo Abeni 2022-09-30 1821 ret = -EPIPE; 69800e516e968f Paolo Abeni 2022-09-30 1822 if (unlikely(sk->sk_err || (sk->sk_shutdown & SEND_SHUTDOWN))) 69800e516e968f Paolo Abeni 2022-09-30 1823 goto do_error; 69800e516e968f Paolo Abeni 2022-09-30 1824 17091708d1e503 Florian Westphal 2020-05-16 @1825 pfrag = sk_page_frag(sk); 18b683bff89d46 Paolo Abeni 2020-03-27 1826 d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1827 while (msg_data_left(msg)) { 724cfd2ee8aa12 Paolo Abeni 2020-11-27 1828 int total_ts, frag_truesize = 0; d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1829 struct mptcp_data_frag *dfrag; d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1830 bool dfrag_collapsed; d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1831 size_t psize, offset; 29b5e5ef873979 Paolo Abeni 2024-03-01 1832 u32 copy_limit; 29b5e5ef873979 Paolo Abeni 2024-03-01 1833 29b5e5ef873979 Paolo Abeni 2024-03-01 1834 /* ensure fitting the notsent_lowat() constraint */ 29b5e5ef873979 Paolo Abeni 2024-03-01 1835 copy_limit = mptcp_send_limit(sk); 29b5e5ef873979 Paolo Abeni 2024-03-01 1836 if (!copy_limit) 29b5e5ef873979 Paolo Abeni 2024-03-01 1837 goto wait_for_memory; d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1838 d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1839 /* reuse tail pfrag, if possible, or carve a new one from the d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1840 * page allocator fb529e62d3f3e8 Florian Westphal 2020-05-16 1841 */ d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1842 dfrag = mptcp_pending_tail(sk); d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1843 dfrag_collapsed = mptcp_frag_can_collapse_to(msk, pfrag, dfrag); d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1844 if (!dfrag_collapsed) { d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1845 if (!mptcp_page_frag_refill(sk, pfrag)) d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1846 goto wait_for_memory; cec37a6e41aae7 Peter Krystad 2020-01-21 1847 d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1848 dfrag = mptcp_carve_data_frag(msk, pfrag, pfrag->offset); d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1849 frag_truesize = dfrag->overhead; 72511aab95c94d Florian Westphal 2020-05-16 1850 } 6d0060f600adfd Mat Martineau 2020-01-21 1851 d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1852 /* we do not bound vs wspace, to allow a single packet. d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1853 * memory accounting will prevent execessive memory usage d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1854 * anyway d5f49190def61c Paolo Abeni 2020-09-14 1855 */ d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1856 offset = dfrag->offset + dfrag->data_len; d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1857 psize = pfrag->size - offset; d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1858 psize = min_t(size_t, psize, msg_data_left(msg)); 29b5e5ef873979 Paolo Abeni 2024-03-01 1859 psize = min_t(size_t, psize, copy_limit); 724cfd2ee8aa12 Paolo Abeni 2020-11-27 1860 total_ts = psize + frag_truesize; d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1861 6511882cdd82d6 Paolo Abeni 2021-10-26 1862 if (!sk_wmem_schedule(sk, total_ts)) 724cfd2ee8aa12 Paolo Abeni 2020-11-27 1863 goto wait_for_memory; 724cfd2ee8aa12 Paolo Abeni 2020-11-27 1864 0ffe8e74904027 Paolo Abeni 2023-10-23 1865 ret = do_copy_data_nocache(sk, psize, &msg->msg_iter, 0ffe8e74904027 Paolo Abeni 2023-10-23 1866 page_address(dfrag->page) + offset); 0ffe8e74904027 Paolo Abeni 2023-10-23 1867 if (ret) 69800e516e968f Paolo Abeni 2022-09-30 1868 goto do_error; 72511aab95c94d Florian Westphal 2020-05-16 1869 d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1870 /* data successfully copied into the write queue */ 5e6300e7b3a4ab Eric Dumazet 2023-08-31 1871 sk_forward_alloc_add(sk, -total_ts); d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1872 copied += psize; d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1873 dfrag->data_len += psize; d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1874 frag_truesize += psize; d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1875 pfrag->offset += frag_truesize; d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1876 WRITE_ONCE(msk->write_seq, msk->write_seq + psize); d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1877 d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1878 /* charge data on mptcp pending queue to the msk socket d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1879 * Note: we charge such data both to sk and ssk fb529e62d3f3e8 Florian Westphal 2020-05-16 1880 */ d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1881 sk_wmem_queued_add(sk, frag_truesize); d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1882 if (!dfrag_collapsed) { d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1883 get_page(dfrag->page); d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1884 list_add_tail(&dfrag->list, &msk->rtx_queue); d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1885 if (!msk->first_pending) d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1886 WRITE_ONCE(msk->first_pending, dfrag); 6d0060f600adfd Mat Martineau 2020-01-21 1887 } e4b6135134a75f Geliang Tang 2021-04-16 1888 pr_debug("msk=%p dfrag at seq=%llu len=%u sent=%u new=%d", msk, d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1889 dfrag->data_seq, dfrag->data_len, dfrag->already_sent, d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1890 !dfrag_collapsed); 6d0060f600adfd Mat Martineau 2020-01-21 1891 d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1892 continue; b51f9b80c032e1 Paolo Abeni 2020-03-27 1893 d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1894 wait_for_memory: 037db6ea57da7a Paolo Abeni 2024-03-01 1895 set_bit(SOCK_NOSPACE, &sk->sk_socket->flags); c2e6048fa1cf22 Paolo Abeni 2021-03-04 1896 __mptcp_push_pending(sk, msg->msg_flags); d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1897 ret = sk_stream_wait_memory(sk, &timeo); d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1898 if (ret) 69800e516e968f Paolo Abeni 2022-09-30 1899 goto do_error; 57040755a3e43a Paolo Abeni 2020-01-21 1900 } 6d0060f600adfd Mat Martineau 2020-01-21 1901 13e1603739e58e Paolo Abeni 2020-12-16 1902 if (copied) c2e6048fa1cf22 Paolo Abeni 2021-03-04 1903 __mptcp_push_pending(sk, msg->msg_flags); d9ca1de8c0cd7a Paolo Abeni 2020-11-16 1904 1954b86016cf85 Mat Martineau 2020-02-28 1905 out: cec37a6e41aae7 Peter Krystad 2020-01-21 1906 release_sock(sk); 69800e516e968f Paolo Abeni 2022-09-30 1907 return copied; 69800e516e968f Paolo Abeni 2022-09-30 1908 69800e516e968f Paolo Abeni 2022-09-30 1909 do_error: 69800e516e968f Paolo Abeni 2022-09-30 1910 if (copied) 69800e516e968f Paolo Abeni 2022-09-30 1911 goto out; 69800e516e968f Paolo Abeni 2022-09-30 1912 69800e516e968f Paolo Abeni 2022-09-30 1913 copied = sk_stream_error(sk, msg->msg_flags, ret); 69800e516e968f Paolo Abeni 2022-09-30 1914 goto out; f870fa0b576884 Mat Martineau 2020-01-21 1915 } f870fa0b576884 Mat Martineau 2020-01-21 1916 :::::: The code at line 1825 was first introduced by commit :::::: 17091708d1e503383f20934631305ccb375b0eb1 mptcp: fill skb page frag cache outside of mptcp_sendmsg_frag :::::: TO: Florian Westphal :::::: CC: David S. Miller -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki