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| author | Chunwei Chen <[email protected]> | 2016-05-23 11:58:21 -0700 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2016-05-25 14:11:53 -0700 |
| commit | 4442f60d8e959e9983e58ff534e7302ebf2f9d7e (patch) | |
| tree | 1cc68680db5bed9af9d10824d6449531a044724b /cmd | |
| parent | 83426735026cefc9d8d566615064faaf55074897 (diff) | |
Fix arc_prune_task use-after-free
arc_prune_task uses a refcount to protect arc_prune_t, but it doesn't prevent
the underlying zsb from disappearing if there's a concurrent umount. We fix
this by force the caller of arc_remove_prune_callback to wait for
arc_prune_taskq to finish.
Signed-off-by: Chunwei Chen <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #4687
Closes #4690
Diffstat (limited to 'cmd')
0 files changed, 0 insertions, 0 deletions