From 7ff520762468b5de4684e4a3d8f0103c8f3bec64 Mon Sep 17 00:00:00 2001 From: Eli Zaretskii Date: Sun, 2 Oct 2022 12:58:04 +0300 Subject: [PATCH] Avoid assertion violation in 'xpalloc' * src/emacs.c (load_pdump): Ensure the 3rd argument of xpalloc is always positive. (Bug#58232) --- src/emacs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/emacs.c b/src/emacs.c index 0a90b0913be..602fa802e0b 100644 --- a/src/emacs.c +++ b/src/emacs.c @@ -903,7 +903,7 @@ load_pdump (int argc, char **argv) exenamelen = prefix_length; } ptrdiff_t needed = exenamelen + strlen (suffix) + 1; - dump_file = xpalloc (NULL, &bufsize, needed - bufsize, -1, 1); + dump_file = xpalloc (NULL, &bufsize, max (1, needed - bufsize), -1, 1); memcpy (dump_file, emacs_executable, exenamelen); strcpy (dump_file + exenamelen, suffix); result = pdumper_load (dump_file, emacs_executable); -- 2.39.2