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| author | Fedor Uporov <fsu@FreeBSD.org> | 2019-03-04 10:42:25 +0000 |
|---|---|---|
| committer | Fedor Uporov <fsu@FreeBSD.org> | 2019-03-04 10:42:25 +0000 |
| commit | 6e38bf94e5dae929958d4283a15a771c30aeab7a (patch) | |
| tree | 04d01909c3cc73729a18607daebd9d3e4afabdde /sys/fs/ext2fs/ext2_alloc.c | |
| parent | 647915ff208d298bf644d5aca9de7d78e7958a51 (diff) | |
| download | src-6e38bf94e5dae929958d4283a15a771c30aeab7a.tar.gz src-6e38bf94e5dae929958d4283a15a771c30aeab7a.zip | |
Make superblock reading logic more strict.
Add more on-disk superblock consistency checks to ext2_compute_sb_data() function.
It should decrease the probability of mounting filesystems with corrupted superblock data.
Reviewed by: pfg
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D19322
Notes
Notes:
svn path=/head/; revision=344751
Diffstat (limited to 'sys/fs/ext2fs/ext2_alloc.c')
| -rw-r--r-- | sys/fs/ext2fs/ext2_alloc.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sys/fs/ext2fs/ext2_alloc.c b/sys/fs/ext2fs/ext2_alloc.c index 7d1cb67218c8..24cbc5f9dd51 100644 --- a/sys/fs/ext2fs/ext2_alloc.c +++ b/sys/fs/ext2fs/ext2_alloc.c @@ -457,7 +457,7 @@ noinodes: /* * 64-bit compatible getters and setters for struct ext2_gd from ext2fs.h */ -static uint64_t +uint64_t e2fs_gd_get_b_bitmap(struct ext2_gd *gd) { @@ -465,7 +465,7 @@ e2fs_gd_get_b_bitmap(struct ext2_gd *gd) gd->ext2bgd_b_bitmap); } -static uint64_t +uint64_t e2fs_gd_get_i_bitmap(struct ext2_gd *gd) { @@ -754,7 +754,7 @@ ext2_hashalloc(struct inode *ip, int cg, long pref, int size, return (0); } -static unsigned long +static uint64_t ext2_cg_number_gdb_nometa(struct m_ext2fs *fs, int cg) { @@ -768,7 +768,7 @@ ext2_cg_number_gdb_nometa(struct m_ext2fs *fs, int cg) EXT2_DESCS_PER_BLOCK(fs)); } -static unsigned long +static uint64_t ext2_cg_number_gdb_meta(struct m_ext2fs *fs, int cg) { unsigned long metagroup; @@ -784,7 +784,7 @@ ext2_cg_number_gdb_meta(struct m_ext2fs *fs, int cg) return (0); } -static unsigned long +uint64_t ext2_cg_number_gdb(struct m_ext2fs *fs, int cg) { unsigned long first_meta_bg, metagroup; |