From 4cc168eaf3b67d76547fb420c22abe22a3c86003 Mon Sep 17 00:00:00 2001 From: "Gustavo A. R. Silva" Date: Mon, 22 Apr 2019 11:33:42 -0500 Subject: gdbstub: Replace strcpy() by strscpy() The strcpy() function is being deprecated. Replace it by the safer strscpy() and fix the following Coverity warning: "You might overrun the 1024-character fixed-size string remcom_in_buffer by copying cmd without checking the length." Addresses-Coverity-ID: 138999 ("Copy into fixed size buffer") Signed-off-by: Gustavo A. R. Silva Signed-off-by: Daniel Thompson --- kernel/debug/gdbstub.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'kernel/debug') diff --git a/kernel/debug/gdbstub.c b/kernel/debug/gdbstub.c index 9f267b8905b4..4b280fc7dd67 100644 --- a/kernel/debug/gdbstub.c +++ b/kernel/debug/gdbstub.c @@ -1095,10 +1095,10 @@ int gdbstub_state(struct kgdb_state *ks, char *cmd) return error; case 's': case 'c': - strcpy(remcom_in_buffer, cmd); + strscpy(remcom_in_buffer, cmd, sizeof(remcom_in_buffer)); return 0; case '$': - strcpy(remcom_in_buffer, cmd); + strscpy(remcom_in_buffer, cmd, sizeof(remcom_in_buffer)); gdbstub_use_prev_in_buf = strlen(remcom_in_buffer); gdbstub_prev_in_buf_pos = 0; return 0; -- cgit