netdev - Re: [PATCH V3] ext4: check hash version and filesystem casefolded consistent

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Message-ID: <20240604093635.538480-1-lizhi.xu@windriver.com>
Date: Tue, 4 Jun 2024 17:36:35 +0800
From: Lizhi Xu <lizhi.xu@...driver.com>
To: <dan.carpenter@...aro.org>
CC: <adilger.kernel@...ger.ca>, <coreteam@...filter.org>,
        <davem@...emloft.net>, <ebiggers@...nel.org>, <fw@...len.de>,
        <jaegeuk@...nel.org>, <kadlec@...filter.org>, <kuba@...nel.org>,
        <linux-ext4@...r.kernel.org>, <linux-fscrypt@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <lizhi.xu@...driver.com>,
        <lkp@...el.com>, <netdev@...r.kernel.org>,
        <netfilter-devel@...r.kernel.org>, <oe-kbuild-all@...ts.linux.dev>,
        <oe-kbuild@...ts.linux.dev>, <pablo@...filter.org>,
        <syzbot+340581ba9dceb7e06fb3@...kaller.appspotmail.com>,
        <syzkaller-bugs@...glegroups.com>, <tytso@....edu>
Subject: Re: [PATCH V3] ext4: check hash version and filesystem casefolded consistent

On Tue, 4 Jun 2024 12:27:06 +0300, Dan Carpenter wrote: 
> kernel test robot noticed the following build warnings:
> 
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Lizhi-Xu/ext4-check-hash-version-and-filesystem-casefolded-consistent/20240531-170046
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev
> patch link:    https://lore.kernel.org/r/20240531085647.2918240-1-lizhi.xu%40windriver.com
> patch subject: [PATCH V3] ext4: check hash version and filesystem casefolded consistent
> config: i386-randconfig-141-20240601 (https://download.01.org/0day-ci/archive/20240602/202406020752.Ii2MU4KP-lkp@intel.com/config)
> compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
> 
> 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@...el.com>
> | Reported-by: Dan Carpenter <dan.carpenter@...aro.org>
> | Closes: https://lore.kernel.org/r/202406020752.Ii2MU4KP-lkp@intel.com/
> 
> smatch warnings:
> fs/ext4/super.c:5287 __ext4_fill_super() warn: missing error code 'err'
> 
> vim +/err +5287 fs/ext4/super.c
> 
> d4fab7b28e2f5d7 Theodore Ts'o           2023-04-27  5280  	err = ext4_block_group_meta_init(sb, silent);
> d4fab7b28e2f5d7 Theodore Ts'o           2023-04-27  5281  	if (err)
> 0d1ee42f27d30ee Alexandre Ratchov       2006-10-11  5282  		goto failed_mount;
> 0b8e58a140cae2b Andreas Dilger          2009-06-03  5283
> db9345d9e6f075e Jason Yan               2023-03-23  5284  	ext4_hash_info_init(sb);
> 66b3f078839bbdb Lizhi Xu                2024-05-31  5285  	if (es->s_def_hash_version == DX_HASH_SIPHASH &&
> 66b3f078839bbdb Lizhi Xu                2024-05-31  5286  	    !ext4_has_feature_casefold(sb))
> 66b3f078839bbdb Lizhi Xu                2024-05-31 @5287  		goto failed_mount;
This warning has been resolved in the following patch: 
https://lore.kernel.org/all/20240601113749.473058-1-lizhi.xu@windriver.com/

Lizhi