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Wed, 14 Jan 2026 09:00:04 -0800 (PST) Date: Wed, 14 Jan 2026 09:00:04 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6967cb94.050a0220.58bed.0000.GAE@google.com> Subject: [moderation/CI] Re: Exposing case folding behavior From: syzbot ci To: syzkaller-upstream-moderation@googlegroups.com Cc: syzbot@lists.linux.dev Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable syzbot ci has tested the following series [v4] Exposing case folding behavior https://lore.kernel.org/all/20260114142900.3945054-1-cel@kernel.org * [PATCH v4 01/16] fs: Add case sensitivity info to file_kattr * [PATCH v4 02/16] fat: Implement fileattr_get for case sensitivity * [PATCH v4 03/16] exfat: Implement fileattr_get for case sensitivity * [PATCH v4 04/16] ntfs3: Implement fileattr_get for case sensitivity * [PATCH v4 05/16] hfs: Implement fileattr_get for case sensitivity * [PATCH v4 06/16] hfsplus: Report case sensitivity in fileattr_get * [PATCH v4 07/16] ext4: Report case sensitivity in fileattr_get * [PATCH v4 08/16] xfs: Report case sensitivity in fileattr_get * [PATCH v4 09/16] cifs: Implement fileattr_get for case sensitivity * [PATCH v4 10/16] nfs: Implement fileattr_get for case sensitivity * [PATCH v4 11/16] f2fs: Add case sensitivity reporting to fileattr_get * [PATCH v4 12/16] vboxsf: Implement fileattr_get for case sensitivity * [PATCH v4 13/16] isofs: Implement fileattr_get for case sensitivity * [PATCH v4 14/16] nfsd: Report export case-folding via NFSv3 PATHCONF * [PATCH v4 15/16] nfsd: Implement NFSv4 FATTR4_CASE_INSENSITIVE and FATTR4= _CASE_PRESERVING * [PATCH v4 16/16] ksmbd: Report filesystem case sensitivity via FS_ATTRIBU= TE_INFORMATION and found the following issue: kernel build error Full report is available here: https://ci.syzbot.org/series/34455388-b093-447c-8b60-7680968a516c *** kernel build error tree: torvalds URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvald= s/linux base: c537e12daeecaecdcd322c56a5f70659d2de7bde arch: amd64 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp= 1~20251221153213.50), Debian LLD 21.1.8 config: https://ci.syzbot.org/builds/2a1b505a-38bd-4edf-97f7-7e8f187fa6f= 3/config ./include/linux/fileattr.h:74:23: error: use of undeclared identifier 'FS_X= FLAG_SYNC' ./include/linux/fileattr.h:74:23: error: use of undeclared identifier 'FS_X= FLAG_IMMUTABLE' ./include/linux/fileattr.h:74:23: error: use of undeclared identifier 'FS_X= FLAG_APPEND' ./include/linux/fileattr.h:74:23: error: use of undeclared identifier 'FS_X= FLAG_NODUMP' ./include/linux/fileattr.h:74:23: error: use of undeclared identifier 'FS_X= FLAG_NOATIME' ./include/linux/fileattr.h:74:23: error: use of undeclared identifier 'FS_X= FLAG_DAX' ./include/linux/fileattr.h:74:23: error: use of undeclared identifier 'FS_X= FLAG_PROJINHERIT' *** If these findings have caused you to resend the series or submit a separate fix, please add the following tag to your commit message: Tested-by: syzbot@syzkaller.appspotmail.com --- This report is generated by a bot. It may contain errors. syzbot ci engineers can be reached at syzkaller@googlegroups.com. The email will later be sent to: [adilger.kernel@dilger.ca almaz.alexandrovich@paragon-software.com anna@ker= nel.org cel@kernel.org cem@kernel.org chao@kernel.org chuck.lever@oracle.co= m djwong@kernel.org frank.li@vivo.com glaubitz@physik.fu-berlin.de hansg@ke= rnel.org hirofumi@mail.parknet.co.jp jaegeuk@kernel.org linkinjeon@kernel.o= rg linux-cifs@vger.kernel.org linux-ext4@vger.kernel.org linux-f2fs-devel@l= ists.sourceforge.net linux-fsdevel@vger.kernel.org linux-nfs@vger.kernel.or= g linux-xfs@vger.kernel.org pc@manguebit.org ronniesahlberg@gmail.com senoz= hatsky@chromium.org sfrench@samba.org sj1557.seo@samsung.com slava@dubeyko.= com sprasad@microsoft.com trondmy@kernel.org tytso@mit.edu yuezhang.mo@sony= .com] If the report looks fine to you, reply with: #syz upstream If the report is a false positive, reply with #syz invalid