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linux/fs/nilfs2
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Ryusuke Konishi 79663a15a1 nilfs2: reject invalid file types when reading inodes 
commit 4aead50caf upstream.

To prevent inodes with invalid file types from tripping through the vfs
and causing malfunctions or assertion failures, add a missing sanity check
when reading an inode from a block device.  If the file type is not valid,
treat it as a filesystem error.

Link: https://lkml.kernel.org/r/20250710134952.29862-1-konishi.ryusuke@gmail.com
Fixes: 05fe58fdc1 ("nilfs2: inode operations")
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Reported-by: syzbot+895c23f6917da440ed0d@syzkaller.appspotmail.com
Link: https://syzkaller.appspot.com/bug?extid=895c23f6917da440ed0d
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-08-01 09:48:43 +01:00
..
alloc.c nilfs2: fix incorrect inode allocation from reserved inodes 2024-07-03 19:30:16 -07:00
alloc.h nilfs2: fix incorrect kernel-doc declaration of nilfs_palloc_req structure 2024-09-01 20:43:36 -07:00
bmap.c nilfs2: fix missing initial short descriptions of kernel-doc comments 2024-09-01 20:43:37 -07:00
bmap.h nilfs2: use the BITS_PER_LONG macro 2024-09-01 20:43:42 -07:00
btnode.c nilfs2: fix buffer head leaks in calls to truncate_inode_pages() 2024-12-27 14:02:18 +01:00
btnode.h fs/nilfs2: Use the enum req_op and blk_opf_t types 2022-07-14 12:14:33 -06:00
btree.c nilfs2: do not propagate ENOENT error from nilfs_btree_propagate() 2025-06-19 15:32:01 +02:00
btree.h nilfs2: add missing description of nilfs_btree_path structure 2024-09-01 20:43:36 -07:00
cpfile.c nilfs2: treat missing cpfile header block as metadata corruption 2024-09-01 20:43:39 -07:00
cpfile.h nilfs2: remove nilfs_cpfile_{get,put}_checkpoint() 2024-02-22 15:38:53 -08:00
dat.c nilfs2: fix missing initial short descriptions of kernel-doc comments 2024-09-01 20:43:37 -07:00
dat.h nilfs2: remove filenames from file comments 2021-11-09 10:02:52 -08:00
dir.c nilfs2: handle errors that nilfs_prepare_chunk() may return 2025-02-08 09:57:58 +01:00
direct.c nilfs2: add pointer check for nilfs_direct_propagate() 2025-06-19 15:32:01 +02:00
direct.h nilfs2: remove filenames from file comments 2021-11-09 10:02:52 -08:00
export.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
file.c nilfs2: fix hang in nilfs_lookup_dirty_data_buffers() 2024-02-07 21:20:36 -08:00
gcinode.c nilfs2: fix buffer head leaks in calls to truncate_inode_pages() 2024-12-27 14:02:18 +01:00
ifile.c nilfs2: fix incorrect inode allocation from reserved inodes 2024-07-03 19:30:16 -07:00
ifile.h nilfs2: localize highmem mapping for checkpoint reading within cpfile 2024-02-22 15:38:53 -08:00
inode.c nilfs2: reject invalid file types when reading inodes 2025-08-01 09:48:43 +01:00
ioctl.c nilfs2: add missing argument descriptions for ioctl-related helpers 2024-09-01 20:43:35 -07:00
Kconfig fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mdt.c nilfs2: fix null-ptr-deref in block_dirty_buffer tracepoint 2024-11-11 17:20:23 -08:00
mdt.h nilfs2: fix lockdep warnings during disk space reclamation 2022-04-01 11:46:09 -07:00
namei.c nilfs2: handle errors that nilfs_prepare_chunk() may return 2025-02-08 09:57:58 +01:00
nilfs.h nilfs2: handle errors that nilfs_prepare_chunk() may return 2025-02-08 09:57:58 +01:00
page.c nilfs2: do not force clear folio if buffer is referenced 2025-02-08 09:57:58 +01:00
page.h nilfs2: do not output warnings when clearing dirty buffers 2024-09-01 20:43:35 -07:00
recovery.c Many singleton patches - please see the various changelogs for details. 2024-09-21 08:20:50 -07:00
segbuf.c nilfs2: convert segment buffer to use kmap_local 2024-02-22 15:38:53 -08:00
segbuf.h nilfs2: remove filenames from file comments 2021-11-09 10:02:52 -08:00
segment.c nilfs2: protect access to buffers with no active references 2025-02-08 09:57:58 +01:00
segment.h nilfs2: use kthread_create and kthread_stop for the log writer thread 2024-09-01 20:43:44 -07:00
sufile.c nilfs2: do not propagate ENOENT error from nilfs_sufile_mark_dirty() 2024-09-01 20:43:40 -07:00
sufile.h nilfs2: remove filenames from file comments 2021-11-09 10:02:52 -08:00
super.c nilfs2: separate inode type information from i_state field 2024-09-01 20:43:43 -07:00
sysfs.c nilfs2: protect references to superblock parameters exposed in sysfs 2024-09-01 17:59:00 -07:00
sysfs.h nilfs2: remove filenames from file comments 2021-11-09 10:02:52 -08:00
the_nilfs.c nilfs2: fix deadlock warnings caused by lock dependency in init_nilfs() 2025-05-29 11:03:23 +02:00
the_nilfs.h nilfs2: eliminate the shared counter and spinlock for i_generation 2024-09-01 20:43:43 -07:00