From b46f4689bd0acc182c3f302182932456f5448180 Mon Sep 17 00:00:00 2001
From: Guillaume Souchere <guillaume.souchere@espressif.com>
Date: Tue, 15 Jul 2025 16:05:00 +0200
Subject: [PATCH] fix(linenoise): Read escape sequences one character at a time

---
 components/console/linenoise/linenoise.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/components/console/linenoise/linenoise.c b/components/console/linenoise/linenoise.c
index c41d76b2ec..4e051cf6a8 100644
--- a/components/console/linenoise/linenoise.c
+++ b/components/console/linenoise/linenoise.c
@@ -1022,11 +1022,15 @@ static int linenoiseEdit(char *buf, size_t buflen, const char *prompt)
         case ESC: {     /* escape sequence */
             /* ESC [ sequences. */
             char seq[3];
-            int r = read_func(in_fd, seq, 2);
-            if (r != 2) {
+            int r = read_func(in_fd, seq, 1);
+            if (r != 1) {
                 return -1;
             }
             if (seq[0] == '[') {
+                int r = read_func(in_fd, seq + 1, 1);
+                if (r != 1) {
+                    return -1;
+                }
                 if (seq[1] >= '0' && seq[1] <= '9') {
                     /* Extended escape, read additional byte. */
                     r = read_func(in_fd, seq + 2, 1);
@@ -1065,6 +1069,10 @@ static int linenoiseEdit(char *buf, size_t buflen, const char *prompt)
             }
             /* ESC O sequences. */
             else if (seq[0] == 'O') {
+                int r = read_func(in_fd, seq + 1, 1);
+                if (r != 1) {
+                    return -1;
+                }
                 switch(seq[1]) {
                 case 'H': /* Home */
                     linenoiseEditMoveHome(&l);