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When delivering PTRACE_EVENT_VFORK_DONE, provide pid of the child
process when tracer calls ptrace(PTRACE_GETEVENTMSG). This is
already (accidentally) available when the tracer is tracing VFORK in
addition to VFORK_DONE.
Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
--- 2.6.18-rc3-32.orig/kernel/fork.c
+++ 2.6.18-rc3-32/kernel/fork.c
@@ -1387,8 +1387,10 @@ long do_fork(unsigned long clone_flags,
if (clone_flags & CLONE_VFORK) {
wait_for_completion(&vfork);
- if (unlikely (current->ptrace & PT_TRACE_VFORK_DONE))
+ if (unlikely (current->ptrace & PT_TRACE_VFORK_DONE)) {
+ current->ptrace_message = nr;
ptrace_notify ((PTRACE_EVENT_VFORK_DONE << 8) | SIGTRAP);
+ }
}
} else {
free_pid(pid);
--
Chuck
-
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