From: Ramji Jiyani <ramjiyani@google.com>
Date: Mon, 2 Aug 2021 22:04:45 +0000 (+0000)
Subject: binder: Add invalid handle info in user error log
X-Git-Tag: libata-5.15-2021-09-05~50^2~53
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=1ae14df56cc3e87d56f3c159803a289021f8ef7d;p=linux-block.git

binder: Add invalid handle info in user error log

In the case of a failed transaction, only the thread and process id are
logged. Add the handle info for the reference to the target node in user
error log to aid debugging.

Acked-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Ramji Jiyani <ramjiyani@google.com>
Link: https://lore.kernel.org/r/20210802220446.1938347-1-ramjiyani@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index bcec598b89f2..d9030cb6b1e4 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -2547,8 +2547,8 @@ static void binder_transaction(struct binder_proc *proc,
 						ref->node, &target_proc,
 						&return_error);
 			} else {
-				binder_user_error("%d:%d got transaction to invalid handle\n",
-						  proc->pid, thread->pid);
+				binder_user_error("%d:%d got transaction to invalid handle, %u\n",
+						  proc->pid, thread->pid, tr->target.handle);
 				return_error = BR_FAILED_REPLY;
 			}
 			binder_proc_unlock(proc);