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| author | Miaohe Lin <linmiaohe@huawei.com> | 2021-01-12 15:49:18 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-01-12 18:12:54 -0800 |
| commit | c22ee5284cf58017fa8c6d21d8f8c68159b6faab (patch) | |
| tree | e660df31aae31df12f8b2721c4468c8ed7e3c3c0 /mm/mempolicy.c | |
| parent | 29970dc24faf0078beb4efab5455b4f504d2198d (diff) | |
| download | linux-c22ee5284cf58017fa8c6d21d8f8c68159b6faab.tar.gz | |
mm/vmalloc.c: fix potential memory leak
In VM_MAP_PUT_PAGES case, we should put pages and free array in vfree.
But we missed to set area->nr_pages in vmap(). So we would fail to put
pages in __vunmap() because area->nr_pages = 0.
Link: https://lkml.kernel.org/r/20210107123541.39206-1-linmiaohe@huawei.com
Fixes: b944afc9d64d ("mm: add a VM_MAP_PUT_PAGES flag for vmap")
Signed-off-by: Shijie Luo <luoshijie1@huawei.com>
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mempolicy.c')
0 files changed, 0 insertions, 0 deletions