Tell KMSAN that a new task is created, so the tool creates a backing metadata structure for that task. Signed-off-by: Alexander Potapenko <glider@xxxxxxxxxx> --- Link: https://linux-review.googlesource.com/id/I0f41c3a1c7d66f7e14aabcfdfc7c69addb945805 --- kernel/exit.c | 2 ++ kernel/fork.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/kernel/exit.c b/kernel/exit.c index f702a6a63686e..a276f6716dcd5 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -59,6 +59,7 @@ #include <linux/writeback.h> #include <linux/shm.h> #include <linux/kcov.h> +#include <linux/kmsan.h> #include <linux/random.h> #include <linux/rcuwait.h> #include <linux/compat.h> @@ -767,6 +768,7 @@ void __noreturn do_exit(long code) profile_task_exit(tsk); kcov_task_exit(tsk); + kmsan_task_exit(tsk); coredump_task_exit(tsk); ptrace_event(PTRACE_EVENT_EXIT, code); diff --git a/kernel/fork.c b/kernel/fork.c index 3244cc56b697d..5d53ffab2cda7 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -37,6 +37,7 @@ #include <linux/fdtable.h> #include <linux/iocontext.h> #include <linux/key.h> +#include <linux/kmsan.h> #include <linux/binfmts.h> #include <linux/mman.h> #include <linux/mmu_notifier.h> @@ -955,6 +956,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig, int node) account_kernel_stack(tsk, 1); kcov_task_init(tsk); + kmsan_task_create(tsk); kmap_local_fork(tsk); #ifdef CONFIG_FAULT_INJECTION -- 2.34.1.173.g76aa8bc2d0-goog
