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linux/fs/nilfs2
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Ryusuke Konishi 67b8bcbaed nilfs2: fix data corruption in dsync block recovery for small block sizes 
The helper function nilfs_recovery_copy_block() of
nilfs_recovery_dsync_blocks(), which recovers data from logs created by
data sync writes during a mount after an unclean shutdown, incorrectly
calculates the on-page offset when copying repair data to the file's page
cache.  In environments where the block size is smaller than the page
size, this flaw can cause data corruption and leak uninitialized memory
bytes during the recovery process.

Fix these issues by correcting this byte offset calculation on the page.

Link: https://lkml.kernel.org/r/20240124121936.10575-1-konishi.ryusuke@gmail.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Tested-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-02-07 21:20:34 -08:00
..
alloc.c nilfs2: fix WARNING in mark_buffer_dirty due to discarded buffer reuse 2023-08-21 13:46:25 -07:00
alloc.h nilfs2: remove filenames from file comments 2021-11-09 10:02:52 -08:00
bmap.c nilfs2: fix infinite loop in nilfs_mdt_get_block() 2023-05-06 10:10:07 -07:00
bmap.h nilfs2: remove filenames from file comments 2021-11-09 10:02:52 -08:00
btnode.c nilfs2: convert nilfs_page_bug() to nilfs_folio_bug() 2023-12-10 17:21:48 -08:00
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: initialize "struct nilfs_binfo_dat"->bi_pad field 2023-04-05 18:06:23 -07:00
btree.h nilfs2: remove filenames from file comments 2021-11-09 10:02:52 -08:00
cpfile.c nilfs2: cpfile: fix some kernel-doc warnings 2023-12-29 12:22:29 -08:00
cpfile.h nilfs2: remove filenames from file comments 2021-11-09 10:02:52 -08:00
dat.c nilfs2: prevent WARNING in nilfs_dat_commit_end() 2023-02-02 22:50:10 -08:00
dat.h nilfs2: remove filenames from file comments 2021-11-09 10:02:52 -08:00
dir.c nilfs2: convert nilfs_prepare_chunk() and nilfs_commit_chunk() to folios 2023-12-10 17:21:48 -08:00
direct.c nilfs2: initialize "struct nilfs_binfo_dat"->bi_pad field 2023-04-05 18:06:23 -07:00
direct.h nilfs2: remove filenames from file comments 2021-11-09 10:02:52 -08:00
export.h
file.c nilfs2: convert nilfs_page_mkwrite() to use a folio 2023-12-10 17:21:28 -08:00
gcinode.c nilfs2: convert nilfs_gccache_submit_read_data to use a folio 2023-12-10 17:21:29 -08:00
ifile.c nilfs2: remove filenames from file comments 2021-11-09 10:02:52 -08:00
ifile.h nilfs2: remove filenames from file comments 2021-11-09 10:02:52 -08:00
inode.c Quite a lot of kexec work this time around. Many singleton patches in 2024-01-09 11:46:20 -08:00
ioctl.c fs/nilfs2: use standard array-copy-function 2023-12-10 17:21:25 -08:00
Kconfig fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
Makefile
mdt.c nilfs2: convert nilfs_mdt_submit_block to use a folio 2023-12-10 17:21:29 -08:00
mdt.h nilfs2: fix lockdep warnings during disk space reclamation 2022-04-01 11:46:09 -07:00
namei.c misc cleanups (the part that hadn't been picked by individual fs trees) 2024-01-11 20:23:50 -08:00
nilfs.h nilfs2: convert nilfs_rename() to use folios 2023-12-10 17:21:47 -08:00
page.c nilfs2: convert nilfs_page_bug() to nilfs_folio_bug() 2023-12-10 17:21:48 -08:00
page.h nilfs2: convert nilfs_page_bug() to nilfs_folio_bug() 2023-12-10 17:21:48 -08:00
recovery.c nilfs2: fix data corruption in dsync block recovery for small block sizes 2024-02-07 21:20:34 -08:00
segbuf.c nilfs2: fix buffer corruption due to concurrent device reads 2023-06-19 13:19:33 -07:00
segbuf.h nilfs2: remove filenames from file comments 2021-11-09 10:02:52 -08:00
segment.c nilfs2: add missing set_freezable() for freezable kthread 2023-12-29 12:22:28 -08:00
segment.h nilfs2: remove filenames from file comments 2021-11-09 10:02:52 -08:00
sufile.c nilfs2: switch WARN_ONs to warning output in nilfs_sufile_do_free() 2023-12-20 15:02:58 -08:00
sufile.h nilfs2: remove filenames from file comments 2021-11-09 10:02:52 -08:00
super.c nilfs2: simplify device handling 2023-11-18 14:59:24 +01:00
sysfs.c nilfs2: use default_groups in kobj_type 2021-12-29 10:53:48 +01:00
sysfs.h nilfs2: remove filenames from file comments 2021-11-09 10:02:52 -08:00
the_nilfs.c nilfs2: fix missing error check for sb_set_blocksize call 2023-12-06 16:12:48 -08:00
the_nilfs.h nilfs2: fix use-after-free of nilfs_root in dirtying inodes via iput 2023-08-04 13:03:43 -07:00