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Date:   Sat, 31 Oct 2020 09:23:27 +0800
From:   kernel test robot <lkp@...el.com>
To:     Konstantin Komarov <almaz.alexandrovich@...agon-software.com>,
        linux-fsdevel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, viro@...iv.linux.org.uk,
        linux-kernel@...r.kernel.org, pali@...nel.org, dsterba@...e.cz,
        aaptel@...e.com, willy@...radead.org, rdunlap@...radead.org,
        joe@...ches.com, mark@...mstone.com
Subject: Re: [PATCH v11 09/10] fs/ntfs3: Add NTFS3 in fs/Kconfig and
 fs/Makefile

Hi Konstantin,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.10-rc1 next-20201030]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Konstantin-Komarov/NTFS-read-write-driver-GPL-implementation-by-Paragon-Software/20201030-230756
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 07e0887302450a62f51dba72df6afb5fabb23d1c
config: h8300-randconfig-s031-20201030 (attached as .config)
compiler: h8300-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-68-g49c98aa3-dirty
        # https://github.com/0day-ci/linux/commit/7c34316b6c7f9af2046f8343d3b010c37340ef1d
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Konstantin-Komarov/NTFS-read-write-driver-GPL-implementation-by-Paragon-Software/20201030-230756
        git checkout 7c34316b6c7f9af2046f8343d3b010c37340ef1d
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=h8300 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>


"sparse warnings: (new ones prefixed by >>)"
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast to restricted __le32
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast from restricted __le64
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast to restricted __le32
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast from restricted __le64
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast to restricted __le32
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast from restricted __le64
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast to restricted __le32
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast from restricted __le64
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast to restricted __le32
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast from restricted __le64
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast to restricted __le32
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast from restricted __le64

vim +569 fs/ntfs3/frecord.c

cbd4257e6d85149 Konstantin Komarov 2020-10-30  532  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  533  /*
cbd4257e6d85149 Konstantin Komarov 2020-10-30  534   * random write access to sparsed or compressed file may result to
cbd4257e6d85149 Konstantin Komarov 2020-10-30  535   * not optimized packed runs.
cbd4257e6d85149 Konstantin Komarov 2020-10-30  536   * Here it is the place to optimize it
cbd4257e6d85149 Konstantin Komarov 2020-10-30  537   */
cbd4257e6d85149 Konstantin Komarov 2020-10-30  538  static int ni_repack(struct ntfs_inode *ni)
cbd4257e6d85149 Konstantin Komarov 2020-10-30  539  {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  540  	int err = 0;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  541  	struct ntfs_sb_info *sbi = ni->mi.sbi;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  542  	struct mft_inode *mi, *mi_p = NULL;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  543  	struct ATTRIB *attr = NULL, *attr_p;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  544  	struct ATTR_LIST_ENTRY *le = NULL, *le_p;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  545  	CLST alloc = 0;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  546  	u8 cluster_bits = sbi->cluster_bits;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  547  	CLST svcn, evcn = 0, svcn_p, evcn_p, next_svcn;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  548  	u32 roff, rs = sbi->record_size;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  549  	struct runs_tree run;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  550  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  551  	run_init(&run);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  552  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  553  	while ((attr = ni_enum_attr_ex(ni, attr, &le))) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  554  		if (!attr->non_res)
cbd4257e6d85149 Konstantin Komarov 2020-10-30  555  			continue;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  556  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  557  		if (ni_load_mi(ni, le, &mi)) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  558  			err = -EINVAL;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  559  			break;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  560  		}
cbd4257e6d85149 Konstantin Komarov 2020-10-30  561  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  562  		svcn = le64_to_cpu(attr->nres.svcn);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  563  		if (svcn != le64_to_cpu(le->vcn)) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  564  			err = -EINVAL;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  565  			break;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  566  		}
cbd4257e6d85149 Konstantin Komarov 2020-10-30  567  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  568  		if (!svcn) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30 @569  			alloc = le32_to_cpu(attr->nres.alloc_size) >>
cbd4257e6d85149 Konstantin Komarov 2020-10-30  570  				cluster_bits;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  571  			mi_p = NULL;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  572  		} else if (svcn != evcn + 1) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  573  			err = -EINVAL;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  574  			break;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  575  		}
cbd4257e6d85149 Konstantin Komarov 2020-10-30  576  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  577  		evcn = le64_to_cpu(attr->nres.evcn);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  578  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  579  		if (svcn > evcn + 1) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  580  			err = -EINVAL;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  581  			break;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  582  		}
cbd4257e6d85149 Konstantin Komarov 2020-10-30  583  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  584  		if (!mi_p) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  585  			/* do not try if too little free space */
cbd4257e6d85149 Konstantin Komarov 2020-10-30  586  			if (le32_to_cpu(mi->mrec->used) + 8 >= rs)
cbd4257e6d85149 Konstantin Komarov 2020-10-30  587  				continue;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  588  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  589  			/* do not try if last attribute segment */
cbd4257e6d85149 Konstantin Komarov 2020-10-30  590  			if (evcn + 1 == alloc)
cbd4257e6d85149 Konstantin Komarov 2020-10-30  591  				continue;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  592  			run_close(&run);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  593  		}
cbd4257e6d85149 Konstantin Komarov 2020-10-30  594  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  595  		roff = le16_to_cpu(attr->nres.run_off);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  596  		err = run_unpack(&run, sbi, ni->mi.rno, svcn, evcn, svcn,
cbd4257e6d85149 Konstantin Komarov 2020-10-30  597  				 Add2Ptr(attr, roff),
cbd4257e6d85149 Konstantin Komarov 2020-10-30  598  				 le32_to_cpu(attr->size) - roff);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  599  		if (err < 0)
cbd4257e6d85149 Konstantin Komarov 2020-10-30  600  			break;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  601  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  602  		if (!mi_p) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  603  			mi_p = mi;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  604  			attr_p = attr;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  605  			svcn_p = svcn;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  606  			evcn_p = evcn;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  607  			le_p = le;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  608  			continue;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  609  		}
cbd4257e6d85149 Konstantin Komarov 2020-10-30  610  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  611  		/*
cbd4257e6d85149 Konstantin Komarov 2020-10-30  612  		 * run contains data from two records: mi_p and mi
cbd4257e6d85149 Konstantin Komarov 2020-10-30  613  		 * try to pack in one
cbd4257e6d85149 Konstantin Komarov 2020-10-30  614  		 */
cbd4257e6d85149 Konstantin Komarov 2020-10-30  615  		err = mi_pack_runs(mi_p, attr_p, &run, evcn + 1 - svcn_p);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  616  		if (err)
cbd4257e6d85149 Konstantin Komarov 2020-10-30  617  			break;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  618  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  619  		next_svcn = le64_to_cpu(attr_p->nres.evcn) + 1;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  620  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  621  		if (next_svcn >= evcn + 1) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  622  			/* we can remove this attribute segment */
cbd4257e6d85149 Konstantin Komarov 2020-10-30  623  			al_remove_le(ni, le);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  624  			mi_remove_attr(mi, attr);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  625  			le = le_p;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  626  			continue;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  627  		}
cbd4257e6d85149 Konstantin Komarov 2020-10-30  628  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  629  		attr->nres.svcn = le->vcn = cpu_to_le64(next_svcn);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  630  		mi->dirty = true;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  631  		ni->attr_list.dirty = true;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  632  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  633  		if (evcn + 1 == alloc) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  634  			err = mi_pack_runs(mi, attr, &run,
cbd4257e6d85149 Konstantin Komarov 2020-10-30  635  					   evcn + 1 - next_svcn);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  636  			if (err)
cbd4257e6d85149 Konstantin Komarov 2020-10-30  637  				break;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  638  			mi_p = NULL;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  639  		} else {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  640  			mi_p = mi;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  641  			attr_p = attr;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  642  			svcn_p = next_svcn;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  643  			evcn_p = evcn;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  644  			le_p = le;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  645  			run_truncate_head(&run, next_svcn);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  646  		}
cbd4257e6d85149 Konstantin Komarov 2020-10-30  647  	}
cbd4257e6d85149 Konstantin Komarov 2020-10-30  648  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  649  	if (err) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  650  		ntfs_inode_warn(&ni->vfs_inode, "there is a problem");
cbd4257e6d85149 Konstantin Komarov 2020-10-30  651  		ntfs_set_state(sbi, NTFS_DIRTY_ERROR);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  652  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  653  		/* Pack loaded but not packed runs */
cbd4257e6d85149 Konstantin Komarov 2020-10-30  654  		if (mi_p)
cbd4257e6d85149 Konstantin Komarov 2020-10-30  655  			mi_pack_runs(mi_p, attr_p, &run, evcn_p + 1 - svcn_p);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  656  	}
cbd4257e6d85149 Konstantin Komarov 2020-10-30  657  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  658  	run_close(&run);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  659  	return err;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  660  }
cbd4257e6d85149 Konstantin Komarov 2020-10-30  661  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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