The error logging for failed transactions is misleading as it always
reports "dead process or thread" even when the target is actually
frozen. Additionally, the pid and tid are reversed which can further
confuse debugging efforts. Fix both issues.

Cc: stable@kernel.org
Cc: Steven Moreland <smoreland@google.com>
Fixes: a15dac8b2286 ("binder: additional transaction error logs")
Signed-off-by: Carlos Llamas <cmllamas@google.com>
---
 drivers/android/binder.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 535fc881c8da..2837162e73e8 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -3812,8 +3812,9 @@ static void binder_transaction(struct binder_proc *proc,
 	return;
 
 err_dead_proc_or_thread:
-	binder_txn_error("%d:%d dead process or thread\n",
-		thread->pid, proc->pid);
+	binder_txn_error("%d:%d %s process or thread\n",
+			 proc->pid, thread->pid,
+			 return_error == BR_FROZEN_REPLY ? "frozen" : "dead");
 	return_error_line = __LINE__;
 	binder_dequeue_work(proc, tcomplete);
 err_translate_failed:
-- 
2.52.0.457.g6b5491de43-goog

On Fri, Jan 23, 2026 at 05:57:02PM +0000, Carlos Llamas wrote:
> The error logging for failed transactions is misleading as it always
> reports "dead process or thread" even when the target is actually
> frozen. Additionally, the pid and tid are reversed which can further
> confuse debugging efforts. Fix both issues.
> 
> Cc: stable@kernel.org
> Cc: Steven Moreland <smoreland@google.com>
> Fixes: a15dac8b2286 ("binder: additional transaction error logs")
> Signed-off-by: Carlos Llamas <cmllamas@google.com>

Reviewed-by: Alice Ryhl <aliceryhl@google.com>