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author | Eli Zaretskii <eliz@gnu.org> | 2022-10-02 12:58:04 +0300 |
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committer | Eli Zaretskii <eliz@gnu.org> | 2022-10-02 12:58:04 +0300 |
commit | 7ff520762468b5de4684e4a3d8f0103c8f3bec64 (patch) | |
tree | 2db7176bb363f6b97ff8b239b92cd0ed8cfb53ed | |
parent | 6c46aa2116557ab3fa4f9c81e50a30246e2614d8 (diff) | |
download | emacs-7ff520762468b5de4684e4a3d8f0103c8f3bec64.tar.gz |
Avoid assertion violation in 'xpalloc'
* src/emacs.c (load_pdump): Ensure the 3rd argument of xpalloc is
always positive. (Bug#58232)
-rw-r--r-- | src/emacs.c | 2 |
1 files changed, 1 insertions, 1 deletions
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); |