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 <luo.zhengzh...@zte.com.cn>
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 <behlendo...@llnl.gov>
Signed-off-by: luozhengzheng <luo.zhengzh...@zte.com.cn>
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));

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