[RFC PATCH 3/6] security/fbfam: Use the api to manage statistics
From: Kees Cook <hidden>
Date: 2020-09-10 20:22:46
Also in:
linux-fsdevel, linux-security-module, lkml
Subsystem:
exec & binfmt api, elf, filesystems (vfs and infrastructure), memory management - core, scheduler, the rest · Maintainers:
Kees Cook, Alexander Viro, Christian Brauner, Andrew Morton, David Hildenbrand, Ingo Molnar, Peter Zijlstra, Juri Lelli, Vincent Guittot, Linus Torvalds
From: John Wood <redacted> Use the previous defined api to manage statistics calling it accordingly when a task forks, calls execve or exits. Signed-off-by: John Wood <redacted> --- fs/exec.c | 2 ++ kernel/exit.c | 2 ++ kernel/fork.c | 4 ++++ 3 files changed, 8 insertions(+)
diff --git a/fs/exec.c b/fs/exec.c
index a91003e28eaa..b30118674d32 100644
--- a/fs/exec.c
+++ b/fs/exec.c@@ -71,6 +71,7 @@ #include "internal.h" #include <trace/events/sched.h> +#include <fbfam/fbfam.h> static int bprm_creds_from_file(struct linux_binprm *bprm);
@@ -1940,6 +1941,7 @@ static int bprm_execve(struct linux_binprm *bprm, task_numa_free(current, false); if (displaced) put_files_struct(displaced); + fbfam_execve(); return retval; out:
diff --git a/kernel/exit.c b/kernel/exit.c
index 733e80f334e7..39a6139dcf31 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c@@ -67,6 +67,7 @@ #include <linux/uaccess.h> #include <asm/unistd.h> #include <asm/mmu_context.h> +#include <fbfam/fbfam.h> static void __unhash_process(struct task_struct *p, bool group_dead) {
@@ -852,6 +853,7 @@ void __noreturn do_exit(long code) __this_cpu_add(dirty_throttle_leaks, tsk->nr_dirtied); exit_rcu(); exit_tasks_rcu_finish(); + fbfam_exit(); lockdep_free_task(tsk); do_task_dead();
diff --git a/kernel/fork.c b/kernel/fork.c
index 49677d668de4..c933838450a8 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c@@ -107,6 +107,8 @@ #define CREATE_TRACE_POINTS #include <trace/events/task.h> +#include <fbfam/fbfam.h> + /* * Minimum number of threads to boot the kernel */
@@ -941,6 +943,8 @@ static struct task_struct *dup_task_struct(struct task_struct *orig, int node) #ifdef CONFIG_MEMCG tsk->active_memcg = NULL; #endif + + fbfam_fork(tsk); return tsk; free_stack:
--
2.25.1