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X-CSE-ConnectionGUID: z4xS+CRGRz+WwTXampI8qA== X-CSE-MsgGUID: i17Pq+TKTa26Nfb0zDZwpw== X-IronPort-AV: E=McAfee;i="6800,10657,11703"; a="72457565" X-IronPort-AV: E=Sophos;i="6.21,295,1763452800"; d="scan'208";a="72457565" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Feb 2026 17:04:59 -0800 X-CSE-ConnectionGUID: rdM5vFqKSvyi7NPeegINwQ== X-CSE-MsgGUID: IarGoCiIRIa4+jqo1HRmaA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,295,1763452800"; d="scan'208";a="244329824" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by orviesa002.jf.intel.com with ESMTP; 16 Feb 2026 17:04:56 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vs9WH-000000010Rw-3Ihy; Tue, 17 Feb 2026 01:04:53 +0000 Date: Tue, 17 Feb 2026 09:04:10 +0800 From: kernel test robot To: Jeff Layton Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Anna Schumaker , Benjamin Coddington Subject: fs/nfs/./nfstrace.h:1483:1: sparse: sparse: dereference of noderef expression Message-ID: <202602170807.6sL9tkvg-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 9702969978695d9a699a1f34771580cdbb153b33 commit: b6ef079fd984930dcc42f4b247777f296528507e nfs: more in-depth tracing of writepage events date: 5 months ago config: i386-randconfig-061-20260215 (https://download.01.org/0day-ci/archive/20260217/202602170807.6sL9tkvg-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260217/202602170807.6sL9tkvg-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/202602170807.6sL9tkvg-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) fs/nfs/nfstrace.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, fs/nfs/nfstrace.h): >> fs/nfs/./nfstrace.h:1483:1: sparse: sparse: dereference of noderef expression fs/nfs/nfstrace.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, fs/nfs/nfstrace.h): >> fs/nfs/./nfstrace.h:1483:1: sparse: sparse: dereference of noderef expression fs/nfs/nfstrace.c: note: in included file (through include/trace/perf.h, include/trace/define_trace.h, fs/nfs/nfstrace.h): >> fs/nfs/./nfstrace.h:1483:1: sparse: sparse: dereference of noderef expression vim +1483 fs/nfs/./nfstrace.h 1482 > 1483 DECLARE_EVENT_CLASS(nfs_page_class, 1484 TP_PROTO( 1485 const struct nfs_page *req 1486 ), 1487 1488 TP_ARGS(req), 1489 1490 TP_STRUCT__entry( 1491 __field(dev_t, dev) 1492 __field(u32, fhandle) 1493 __field(u64, fileid) 1494 __field(const struct nfs_page *__private, req) 1495 __field(loff_t, offset) 1496 __field(unsigned int, count) 1497 __field(unsigned long, flags) 1498 ), 1499 1500 TP_fast_assign( 1501 const struct inode *inode = folio_inode(req->wb_folio); 1502 const struct nfs_inode *nfsi = NFS_I(inode); 1503 1504 __entry->dev = inode->i_sb->s_dev; 1505 __entry->fileid = nfsi->fileid; 1506 __entry->fhandle = nfs_fhandle_hash(&nfsi->fh); 1507 __entry->req = req; 1508 __entry->offset = req_offset(req); 1509 __entry->count = req->wb_bytes; 1510 __entry->flags = req->wb_flags; 1511 ), 1512 1513 TP_printk( 1514 "fileid=%02x:%02x:%llu fhandle=0x%08x req=%p offset=%lld count=%u flags=%s", 1515 MAJOR(__entry->dev), MINOR(__entry->dev), 1516 (unsigned long long)__entry->fileid, __entry->fhandle, 1517 __entry->req, __entry->offset, __entry->count, 1518 nfs_show_wb_flags(__entry->flags) 1519 ) 1520 ); 1521 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki