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From: kernel test robot <lkp@intel.com>
To: David Howells <dhowells@redhat.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: [dhowells-fs:ceph-iter 65/92] fs/ceph/xattr.c:1415:16: error: no member named 'length' in 'struct ceph_databuf'
Date: Sat, 30 Nov 2024 05:47:17 +0800	[thread overview]
Message-ID: <202411300505.B9fgTrPy-lkp@intel.com> (raw)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git ceph-iter
head:   ae69436bf8db8f3a53edd0dfa379e753700240c0
commit: 41b093aa8bfc8c510043df71d06b6dba4808c863 [65/92] ceph: Convert ceph_mds_request::r_pagelist to a databuf
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20241130/202411300505.B9fgTrPy-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241130/202411300505.B9fgTrPy-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411300505.B9fgTrPy-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from fs/ceph/xattr.c:5:
   In file included from fs/ceph/super.h:6:
   In file included from include/linux/ceph/osd_client.h:15:
   In file included from include/linux/ceph/messenger.h:5:
   In file included from include/linux/bvec.h:10:
   In file included from include/linux/highmem.h:10:
   In file included from include/linux/mm.h:2213:
   include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     504 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     505 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     511 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     512 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     518 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     524 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     525 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   In file included from fs/ceph/xattr.c:5:
   In file included from fs/ceph/super.h:6:
   In file included from include/linux/ceph/osd_client.h:15:
   In file included from include/linux/ceph/messenger.h:13:
   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:95:
   include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     548 |         val = __raw_readb(PCI_IOBASE + addr);
         |                           ~~~~~~~~~~ ^
   include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     561 |         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 fs/ceph/xattr.c:5:
   In file included from fs/ceph/super.h:6:
   In file included from include/linux/ceph/osd_client.h:15:
   In file included from include/linux/ceph/messenger.h:13:
   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:95:
   include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     574 |         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 fs/ceph/xattr.c:5:
   In file included from fs/ceph/super.h:6:
   In file included from include/linux/ceph/osd_client.h:15:
   In file included from include/linux/ceph/messenger.h:13:
   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:95:
   include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     585 |         __raw_writeb(value, PCI_IOBASE + addr);
         |                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     595 |         __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     605 |         __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     693 |         readsb(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     701 |         readsw(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     709 |         readsl(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     718 |         writesb(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
   include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     727 |         writesw(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
   include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     736 |         writesl(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
>> fs/ceph/xattr.c:1415:16: error: no member named 'length' in 'struct ceph_databuf'
    1415 |                 BUG_ON(dbuf->length <= sizeof(__le32));
         |                        ~~~~  ^
   include/asm-generic/bug.h:71:45: note: expanded from macro 'BUG_ON'
      71 | #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
         |                                             ^~~~~~~~~
   include/linux/compiler.h:77:42: note: expanded from macro 'unlikely'
      77 | # define unlikely(x)    __builtin_expect(!!(x), 0)
         |                                             ^
   16 warnings and 1 error generated.


vim +1415 fs/ceph/xattr.c

  1374	
  1375	#ifdef CONFIG_CEPH_FS_SECURITY_LABEL
  1376	int ceph_security_init_secctx(struct dentry *dentry, umode_t mode,
  1377				   struct ceph_acl_sec_ctx *as_ctx)
  1378	{
  1379		struct ceph_databuf *dbuf = as_ctx->dbuf;
  1380		const char *name;
  1381		size_t name_len;
  1382		int err;
  1383	
  1384		err = security_dentry_init_security(dentry, mode, &dentry->d_name,
  1385						    &name, &as_ctx->sec_ctx,
  1386						    &as_ctx->sec_ctxlen);
  1387		if (err < 0) {
  1388			WARN_ON_ONCE(err != -EOPNOTSUPP);
  1389			err = 0; /* do nothing */
  1390			goto out;
  1391		}
  1392	
  1393		err = -ENOMEM;
  1394		if (!dbuf) {
  1395			dbuf = ceph_databuf_req_alloc(0, PAGE_SIZE, GFP_KERNEL);
  1396			if (!dbuf)
  1397				goto out;
  1398			ceph_databuf_encode_32(dbuf, 1);
  1399		}
  1400	
  1401		/*
  1402		 * FIXME: Make security_dentry_init_security() generic. Currently
  1403		 * It only supports single security module and only selinux has
  1404		 * dentry_init_security hook.
  1405		 */
  1406		name_len = strlen(name);
  1407		err = ceph_databuf_reserve(dbuf, 4 * 2 + name_len + as_ctx->sec_ctxlen,
  1408					   GFP_KERNEL);
  1409		if (err)
  1410			goto out;
  1411	
  1412		if (as_ctx->dbuf) {
  1413			/* update count of KV pairs */
  1414			__le32 *addr = kmap_ceph_databuf_page(dbuf, 0);
> 1415			BUG_ON(dbuf->length <= sizeof(__le32));
  1416			le32_add_cpu(addr, 1);
  1417			kunmap_local(addr);
  1418		} else {
  1419			as_ctx->dbuf = dbuf;
  1420		}
  1421	
  1422		ceph_databuf_encode_32(dbuf, name_len);
  1423		ceph_databuf_append(dbuf, name, name_len);
  1424	
  1425		ceph_databuf_encode_32(dbuf, as_ctx->sec_ctxlen);
  1426		ceph_databuf_append(dbuf, as_ctx->sec_ctx, as_ctx->sec_ctxlen);
  1427	
  1428		err = 0;
  1429	out:
  1430		if (dbuf && !as_ctx->dbuf)
  1431			ceph_databuf_release(dbuf);
  1432		return err;
  1433	}
  1434	#endif /* CONFIG_CEPH_FS_SECURITY_LABEL */
  1435	#endif /* CONFIG_SECURITY */
  1436	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

                 reply	other threads:[~2024-11-29 21:47 UTC|newest]

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