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authorBeau Belgrave <beaub@linux.microsoft.com>2023-03-28 16:52:09 -0700
committerSteven Rostedt (Google) <rostedt@goodmis.org>2023-03-29 06:52:08 -0400
commitfd593511cdfc0b0e38af2eb21c99f5154a1d7acf (patch)
treef20436aa3368002cc877fd370f9d0b1cda714874 /kernel/exit.c
parente5a26a4048eeb9558e5c84f340a989c78db4adf4 (diff)
tracing/user_events: Track fork/exec/exit for mm lifetime
During tracefs discussions it was decided instead of requiring a mapping within a user-process to track the lifetime of memory descriptors we should hook the appropriate calls. Do this by adding the minimal stubs required for task fork, exec, and exit. Currently this is just a NOP. Future patches will implement these calls fully. Link: https://lkml.kernel.org/r/20230328235219.203-3-beaub@linux.microsoft.com Suggested-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Signed-off-by: Beau Belgrave <beaub@linux.microsoft.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/exit.c')
-rw-r--r--kernel/exit.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index f2afdb0add7c..875d6a134df8 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -68,6 +68,7 @@
#include <linux/kprobes.h>
#include <linux/rethook.h>
#include <linux/sysfs.h>
+#include <linux/user_events.h>
#include <linux/uaccess.h>
#include <asm/unistd.h>
@@ -818,6 +819,7 @@ void __noreturn do_exit(long code)
coredump_task_exit(tsk);
ptrace_event(PTRACE_EVENT_EXIT, code);
+ user_events_exit(tsk);
validate_creds_for_do_exit(tsk);