Messages in this thread Patch in this message | | | From | Nicholas Miehlbradt <> | Subject | [PATCH 02/13] hvc: Fix use of uninitialized array in udbg_hvc_putc | Date | Thu, 14 Dec 2023 05:55:28 +0000 |
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All elements of bounce_buffer are eventually read and passed to the hypervisor so it should probably be fully initialized.
Signed-off-by: Nicholas Miehlbradt <nicholas@linux.ibm.com> --- drivers/tty/hvc/hvc_vio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/hvc/hvc_vio.c b/drivers/tty/hvc/hvc_vio.c index 736b230f5ec0..1e88bfcdde20 100644 --- a/drivers/tty/hvc/hvc_vio.c +++ b/drivers/tty/hvc/hvc_vio.c @@ -227,7 +227,7 @@ static const struct hv_ops hvterm_hvsi_ops = { static void udbg_hvc_putc(char c) { int count = -1; - unsigned char bounce_buffer[16]; + unsigned char bounce_buffer[16] = { 0 }; if (!hvterm_privs[0]) return; -- 2.40.1
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