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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-01-13 22:35:32 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-01-13 22:35:32 -0800 |
| commit | 4116941b7a703f8c770998bb3a59966608cb5bb2 (patch) | |
| tree | 32945b644b69e3fd1a9ba8cd7369cf62abc44ccd /kernel/livepatch/core.c | |
| parent | Input: ad7879 - add check for read errors in interrupt (diff) | |
| parent | Linux 4.20 (diff) | |
Merge tag 'v4.20' into next
Merge with mainline to bring in the new APIs.
Diffstat (limited to 'kernel/livepatch/core.c')
| -rw-r--r-- | kernel/livepatch/core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c index 3a4656fb7047..5b77a7314e01 100644 --- a/kernel/livepatch/core.c +++ b/kernel/livepatch/core.c @@ -678,6 +678,9 @@ static int klp_init_func(struct klp_object *obj, struct klp_func *func) if (!func->old_name || !func->new_func) return -EINVAL; + if (strlen(func->old_name) >= KSYM_NAME_LEN) + return -EINVAL; + INIT_LIST_HEAD(&func->stack_node); func->patched = false; func->transition = false; @@ -751,6 +754,9 @@ static int klp_init_object(struct klp_patch *patch, struct klp_object *obj) if (!obj->funcs) return -EINVAL; + if (klp_is_module(obj) && strlen(obj->name) >= MODULE_NAME_LEN) + return -EINVAL; + obj->patched = false; obj->mod = NULL; |