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Merge branch 'contrib/github_pr_18641_v5.2' into 'release/v5.2'

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fix(protocomm): prevent out-of-bounds write in console line buffer (GitHub PR) (v5.2)

See merge request espressif/esp-idf!49347
This commit is contained in:
Mahavir Jain
2026-06-08 19:53:30 +05:30
parent 96761d509e 3ae8e7e347
commit 62e1e37d9c
1 changed files with 2 additions and 2 deletions
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components/protocomm/src/transports/protocomm_console.c
+2 -2
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@@ -94,7 +94,7 @@ static void protocomm_console_task(void *arg)
} }
} }
if (event.type == UART_DATA) { if (event.type == UART_DATA) {
while (uart_read_bytes(uart_num, (uint8_t *) &linebuf[i], 1, 0) && (i < LINE_BUF_SIZE)) { while ((i < LINE_BUF_SIZE - 1) && uart_read_bytes(uart_num, (uint8_t *) &linebuf[i], 1, 0)) {
if (linebuf[i] == '\r') { if (linebuf[i] == '\r') {
uart_write_bytes(uart_num, "\r\n", 2); uart_write_bytes(uart_num, "\r\n", 2);
} else { } else {
@@ -106,7 +106,7 @@ static void protocomm_console_task(void *arg)
if ((i > 0) && (linebuf[i-1] == '\r')) { if ((i > 0) && (linebuf[i-1] == '\r')) {
break; break;
} }
} while (i < LINE_BUF_SIZE); } while (i < LINE_BUF_SIZE - 1);
if (stopped()) { if (stopped()) {
break; break;
} }