c/mirror_zfs
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_zfs.git synced 2026-05-22 02:27:36 +03:00
Code Issues Packages Projects Releases Wiki Activity

ZFS send fails to dump objects larger than 128PiB

Browse Source 
When dumping objects larger than 128PiB it's possible for do_dump() to
miscalculate the FREE_RECORD offset due to an integer overflow
condition: this prevents the receiving end from correctly restoring
the dumped object.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #6760
This commit is contained in:
LOLi
2017-10-27 01:58:38 +02:00
committed by Brian Behlendorf
parent 88f9c9396b
commit ee45fbd894
6 changed files with 109 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/zfs/dmu.c
+1 -1
View File
@@ -967,7 +967,7 @@ dmu_free_range(objset_t *os, uint64_t object, uint64_t offset,
if (err)
return (err);
ASSERT(offset < UINT64_MAX);
ASSERT(size == -1ULL || size <= UINT64_MAX - offset);
ASSERT(size == DMU_OBJECT_END || size <= UINT64_MAX - offset);
dnode_free_range(dn, offset, size, tx);
dnode_rele(dn, FTAG);
return (0);