From da4864962d768b33e3bc31cd233270af6226686d Mon Sep 17 00:00:00 2001 From: Carlos Llamas Date: Mon, 9 May 2022 23:19:01 +0000 Subject: binder: fix printk format for commands Make sure we use unsigned format specifier %u for binder commands as most of them are encoded above INT_MAX. This prevents negative values when logging them as in the following case: [ 211.895781] binder: 8668:8668 BR_REPLY 258949 0:0, cmd -2143260157 size 0-0 ptr 0000006e766a8000-0000006e766a8000 Acked-by: Todd Kjos Acked-by: Christian Brauner (Microsoft) Signed-off-by: Carlos Llamas Link: https://lore.kernel.org/r/20220509231901.3852573-1-cmllamas@google.com Signed-off-by: Greg Kroah-Hartman --- drivers/android/binder.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/android/binder.c') diff --git a/drivers/android/binder.c b/drivers/android/binder.c index d9253b2a7bd9..176bb0463680 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -4083,7 +4083,7 @@ static int binder_thread_write(struct binder_proc *proc, } break; default: - pr_err("%d:%d unknown command %d\n", + pr_err("%d:%d unknown command %u\n", proc->pid, thread->pid, cmd); return -EINVAL; } @@ -4578,7 +4578,7 @@ retry: trace_binder_transaction_received(t); binder_stat_br(proc, thread, cmd); binder_debug(BINDER_DEBUG_TRANSACTION, - "%d:%d %s %d %d:%d, cmd %d size %zd-%zd ptr %016llx-%016llx\n", + "%d:%d %s %d %d:%d, cmd %u size %zd-%zd ptr %016llx-%016llx\n", proc->pid, thread->pid, (cmd == BR_TRANSACTION) ? "BR_TRANSACTION" : (cmd == BR_TRANSACTION_SEC_CTX) ? -- cgit v1.2.3