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| author | Kees Cook <keescook@chromium.org> | 2016-04-06 15:53:27 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2016-04-06 16:22:25 -0700 |
| commit | 3d085c7413d32bb6895e5b9b5ee6a7d2180159c5 (patch) | |
| tree | eb6ab087af58ec383ef8fc6286fa67b1185c00e6 | |
| parent | d2e10088ce01191748857296999b8c24a9a51959 (diff) | |
| download | linux-3d085c7413d32bb6895e5b9b5ee6a7d2180159c5.tar.gz linux-3d085c7413d32bb6895e5b9b5ee6a7d2180159c5.tar.bz2 linux-3d085c7413d32bb6895e5b9b5ee6a7d2180159c5.zip | |
lkdtm: do not leak free page on kmalloc failure
This frees the allocated page if there is a kmalloc failure.
Signed-off-by: Kees Cook <keescook@chromium.org>
| -rw-r--r-- | drivers/misc/lkdtm.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c index 5b3a63c87ec9..0a5cbbe12452 100644 --- a/drivers/misc/lkdtm.c +++ b/drivers/misc/lkdtm.c @@ -507,8 +507,10 @@ static void lkdtm_do_action(enum ctype which) break; val = kmalloc(1024, GFP_KERNEL); - if (!val) + if (!val) { + free_page(p); break; + } base = (int *)p; |