Module Name: src
Committed By: fox
Date: Mon Mar 9 15:37:46 UTC 2020
Modified Files:
src/external/cddl/osnet/dist/uts/common/fs/zfs: dmu_tx.c spa.c
Log Message:
external/cddl/osnet: Fix possible signed integer overflow
Detected by UBSan and fixed upstream
Cherry-pick:
>From 05852b3467b44cdf88541ec67624cd1f5f2ded1d Mon Sep 17 00:00:00 2001
From: luozhengzheng <[email protected]>
Date: Fri, 14 Oct 2016 05:25:05 +0800
Subject: [PATCH] Fix coverity defects: CID 147571, 147574
CID 147571: Unintentional integer overflow (OVERFLOW_BEFORE_WIDEN)
CID 147574: Unintentional integer overflow (OVERFLOW_BEFORE_WIDEN)
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: luozhengzheng <[email protected]>
Closes #5268
Reviewed by: kamil@
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 \
src/external/cddl/osnet/dist/uts/common/fs/zfs/dmu_tx.c
cvs rdiff -u -r1.10 -r1.11 \
src/external/cddl/osnet/dist/uts/common/fs/zfs/spa.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/external/cddl/osnet/dist/uts/common/fs/zfs/dmu_tx.c
diff -u src/external/cddl/osnet/dist/uts/common/fs/zfs/dmu_tx.c:1.4 src/external/cddl/osnet/dist/uts/common/fs/zfs/dmu_tx.c:1.5
--- src/external/cddl/osnet/dist/uts/common/fs/zfs/dmu_tx.c:1.4 Fri Jun 21 10:59:50 2019
+++ src/external/cddl/osnet/dist/uts/common/fs/zfs/dmu_tx.c Mon Mar 9 15:37:46 2020
@@ -412,7 +412,7 @@ dmu_tx_count_dnode(dmu_tx_hold_t *txh)
dnode_t *dn = txh->txh_dnode;
dnode_t *mdn = DMU_META_DNODE(txh->txh_tx->tx_objset);
uint64_t space = mdn->dn_datablksz +
- ((mdn->dn_nlevels-1) << mdn->dn_indblkshift);
+ ((uint64_t)(mdn->dn_nlevels-1) << mdn->dn_indblkshift);
if (dn && dn->dn_dbuf->db_blkptr &&
dsl_dataset_block_freeable(dn->dn_objset->os_dsl_dataset,
Index: src/external/cddl/osnet/dist/uts/common/fs/zfs/spa.c
diff -u src/external/cddl/osnet/dist/uts/common/fs/zfs/spa.c:1.10 src/external/cddl/osnet/dist/uts/common/fs/zfs/spa.c:1.11
--- src/external/cddl/osnet/dist/uts/common/fs/zfs/spa.c:1.10 Tue Jul 23 07:46:22 2019
+++ src/external/cddl/osnet/dist/uts/common/fs/zfs/spa.c Mon Mar 9 15:37:46 2020
@@ -6293,7 +6293,7 @@ spa_async_tasks_pending(spa_t *spa)
} else {
config_task_suspended =
(gethrtime() - spa->spa_ccw_fail_time) <
- (zfs_ccw_retry_interval * NANOSEC);
+ ((hrtime_t)zfs_ccw_retry_interval * NANOSEC);
}
return (non_config_tasks || (config_task && !config_task_suspended));
