From: Chao Yu chao@kernel.org
mainline inclusion from mainline-v6.8-rc1 commit 4e4f1eb9949b10cb7d76370fd27d41f20ef2b32b category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I9HKE5 CVE: CVE-2024-26869
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
--------------------------------
Just cleanup, no logic changes.
Signed-off-by: Chao Yu chao@kernel.org Signed-off-by: Jaegeuk Kim jaegeuk@kernel.org Signed-off-by: Zizhi Wo wozizhi@huawei.com --- fs/f2fs/data.c | 8 +++----- fs/f2fs/f2fs.h | 7 +++++++ fs/f2fs/gc.c | 5 ++--- fs/f2fs/segment.c | 14 ++++---------- 4 files changed, 16 insertions(+), 18 deletions(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index f5f33926acf8..5d73df9c516f 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1492,11 +1492,9 @@ static int __allocate_data_block(struct dnode_of_data *dn, int seg_type) old_blkaddr = dn->data_blkaddr; f2fs_allocate_data_block(sbi, NULL, old_blkaddr, &dn->data_blkaddr, &sum, seg_type, NULL); - if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO) { - invalidate_mapping_pages(META_MAPPING(sbi), - old_blkaddr, old_blkaddr); - f2fs_invalidate_compress_page(sbi, old_blkaddr); - } + if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO) + f2fs_invalidate_internal_cache(sbi, old_blkaddr); + f2fs_update_data_blkaddr(dn, dn->data_blkaddr); return 0; } diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 3878288122ee..60e5585a7b56 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -4604,6 +4604,13 @@ static inline bool f2fs_is_readonly(struct f2fs_sb_info *sbi) return f2fs_sb_has_readonly(sbi) || f2fs_readonly(sbi->sb); }
+static inline void f2fs_invalidate_internal_cache(struct f2fs_sb_info *sbi, + block_t blkaddr) +{ + invalidate_mapping_pages(META_MAPPING(sbi), blkaddr, blkaddr); + f2fs_invalidate_compress_page(sbi, blkaddr); +} + #define EFSBADCRC EBADMSG /* Bad CRC detected */ #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index f550cdeaa663..d027fbb61ef3 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -1380,9 +1380,8 @@ static int move_data_block(struct inode *inode, block_t bidx, memcpy(page_address(fio.encrypted_page), page_address(mpage), PAGE_SIZE); f2fs_put_page(mpage, 1); - invalidate_mapping_pages(META_MAPPING(fio.sbi), - fio.old_blkaddr, fio.old_blkaddr); - f2fs_invalidate_compress_page(fio.sbi, fio.old_blkaddr); + + f2fs_invalidate_internal_cache(fio.sbi, fio.old_blkaddr);
set_page_dirty(fio.encrypted_page); if (clear_page_dirty_for_io(fio.encrypted_page)) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index d05b41608fc0..5aa8374cfa6f 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2495,8 +2495,7 @@ void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr) if (addr == NEW_ADDR || addr == COMPRESS_ADDR) return;
- invalidate_mapping_pages(META_MAPPING(sbi), addr, addr); - f2fs_invalidate_compress_page(sbi, addr); + f2fs_invalidate_internal_cache(sbi, addr);
/* add it into sit main buffer */ down_write(&sit_i->sentry_lock); @@ -3557,11 +3556,8 @@ static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio) reallocate: f2fs_allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr, &fio->new_blkaddr, sum, type, fio); - if (GET_SEGNO(fio->sbi, fio->old_blkaddr) != NULL_SEGNO) { - invalidate_mapping_pages(META_MAPPING(fio->sbi), - fio->old_blkaddr, fio->old_blkaddr); - f2fs_invalidate_compress_page(fio->sbi, fio->old_blkaddr); - } + if (GET_SEGNO(fio->sbi, fio->old_blkaddr) != NULL_SEGNO) + f2fs_invalidate_internal_cache(fio->sbi, fio->old_blkaddr);
/* writeout dirty page into bdev */ f2fs_submit_page_write(fio); @@ -3757,9 +3753,7 @@ void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, update_sit_entry(sbi, new_blkaddr, 1); } if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO) { - invalidate_mapping_pages(META_MAPPING(sbi), - old_blkaddr, old_blkaddr); - f2fs_invalidate_compress_page(sbi, old_blkaddr); + f2fs_invalidate_internal_cache(sbi, old_blkaddr); if (!from_gc) update_segment_mtime(sbi, old_blkaddr, 0); update_sit_entry(sbi, old_blkaddr, -1);