diff options
Diffstat (limited to 'fs/ubifs/journal.c')
| -rw-r--r-- | fs/ubifs/journal.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c index 0b9da5b6e0f9..539fa934ed93 100644 --- a/fs/ubifs/journal.c +++ b/fs/ubifs/journal.c @@ -661,6 +661,11 @@ int ubifs_jnl_update(struct ubifs_info *c, const struct inode *dir, spin_lock(&ui->ui_lock); ui->synced_i_size = ui->ui_size; spin_unlock(&ui->ui_lock); + if (xent) { + spin_lock(&host_ui->ui_lock); + host_ui->synced_i_size = host_ui->ui_size; + spin_unlock(&host_ui->ui_lock); + } mark_inode_clean(c, ui); mark_inode_clean(c, host_ui); return 0; @@ -1186,7 +1191,16 @@ int ubifs_jnl_truncate(struct ubifs_info *c, const struct inode *inode, else if (err) goto out_free; else { - if (le32_to_cpu(dn->size) <= dlen) + int dn_len = le32_to_cpu(dn->size); + + if (dn_len <= 0 || dn_len > UBIFS_BLOCK_SIZE) { + ubifs_err(c, "bad data node (block %u, inode %lu)", + blk, inode->i_ino); + ubifs_dump_node(c, dn); + goto out_free; + } + + if (dn_len <= dlen) dlen = 0; /* Nothing to do */ else { int compr_type = le16_to_cpu(dn->compr_type); |