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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-01-11 17:47:25 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-01-11 17:47:25 -0800 |
| commit | 009f773836513960d3982e80c86e266d25528563 (patch) | |
| tree | 7315e5666698997dee34a80c1a1db801d3f8879b /fs/xfs/xfs_log_recover.c | |
| parent | dd0d0d4de582a6a61c032332c91f4f4cb2bab569 (diff) | |
| parent | 6544a1df11c48c8413071aac3316792e4678fbfb (diff) | |
| download | talos-op-linux-009f773836513960d3982e80c86e266d25528563.tar.gz talos-op-linux-009f773836513960d3982e80c86e266d25528563.zip | |
Merge branch 'next' into for-linus
Prepare first round of input updates for 4.5 merge window.
Diffstat (limited to 'fs/xfs/xfs_log_recover.c')
| -rw-r--r-- | fs/xfs/xfs_log_recover.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 512a0945d52a..c5ecaacdd218 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -3431,7 +3431,7 @@ xlog_recover_add_to_cont_trans( * previous record. Copy the rest of the header. */ if (list_empty(&trans->r_itemq)) { - ASSERT(len < sizeof(struct xfs_trans_header)); + ASSERT(len <= sizeof(struct xfs_trans_header)); if (len > sizeof(struct xfs_trans_header)) { xfs_warn(log->l_mp, "%s: bad header length", __func__); return -EIO; @@ -4609,9 +4609,19 @@ xlog_recover( int error; /* find the tail of the log */ - if ((error = xlog_find_tail(log, &head_blk, &tail_blk))) + error = xlog_find_tail(log, &head_blk, &tail_blk); + if (error) return error; + /* + * The superblock was read before the log was available and thus the LSN + * could not be verified. Check the superblock LSN against the current + * LSN now that it's known. + */ + if (xfs_sb_version_hascrc(&log->l_mp->m_sb) && + !xfs_log_check_lsn(log->l_mp, log->l_mp->m_sb.sb_lsn)) + return -EINVAL; + if (tail_blk != head_blk) { /* There used to be a comment here: * |
