diff options
| -rw-r--r-- | fs/xfs/xfs_log_recover.c | 38 |
1 files changed, 32 insertions, 6 deletions
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 7ba450116d4..47da2fb4537 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -1975,16 +1975,30 @@ xlog_recover_do_reg_buffer( error = 0; if (buf_f->blf_flags & (XFS_BLI_UDQUOT_BUF|XFS_BLI_PDQUOT_BUF|XFS_BLI_GDQUOT_BUF)) { + if (item->ri_buf[i].i_addr == NULL) { + cmn_err(CE_ALERT, + "XFS: NULL dquot in %s.", __func__); + goto next; + } + if (item->ri_buf[i].i_len < sizeof(xfs_dqblk_t)) { + cmn_err(CE_ALERT, + "XFS: dquot too small (%d) in %s.", + item->ri_buf[i].i_len, __func__); + goto next; + } error = xfs_qm_dqcheck((xfs_disk_dquot_t *) item->ri_buf[i].i_addr, -1, 0, XFS_QMOPT_DOWARN, "dquot_buf_recover"); + if (error) + goto next; } - if (!error) - memcpy(xfs_buf_offset(bp, - (uint)bit << XFS_BLI_SHIFT), /* dest */ - item->ri_buf[i].i_addr, /* source */ - nbits<<XFS_BLI_SHIFT); /* length */ + + memcpy(xfs_buf_offset(bp, + (uint)bit << XFS_BLI_SHIFT), /* dest */ + item->ri_buf[i].i_addr, /* source */ + nbits<<XFS_BLI_SHIFT); /* length */ + next: i++; bit += nbits; } @@ -2615,7 +2629,19 @@ xlog_recover_do_dquot_trans( return (0); recddq = (xfs_disk_dquot_t *)item->ri_buf[1].i_addr; - ASSERT(recddq); + + if (item->ri_buf[1].i_addr == NULL) { + cmn_err(CE_ALERT, + "XFS: NULL dquot in %s.", __func__); + return XFS_ERROR(EIO); + } + if (item->ri_buf[1].i_len < sizeof(xfs_dqblk_t)) { + cmn_err(CE_ALERT, + "XFS: dquot too small (%d) in %s.", + item->ri_buf[1].i_len, __func__); + return XFS_ERROR(EIO); + } + /* * This type of quotas was turned off, so ignore this record. */ |