diff options
| -rw-r--r-- | src/spawn.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/spawn.c b/src/spawn.c index 716bafa..b17ee58 100644 --- a/src/spawn.c +++ b/src/spawn.c @@ -22,6 +22,7 @@ #include <signal.h> #include <glib.h> +#include <glib/gprintf.h> #include <gmodule.h> @@ -295,6 +296,25 @@ teco_state_execute_done(teco_machine_main_t *ctx, teco_string_t str, GError **er if (!argv) goto gerror; +#if defined(__FreeBSD__) && __FreeBSD__ < 16 + /* + * FIXME: g_spawn_async_with_pipes() will internally call + * posix_spawnp() which uses a tiny 4kb stack which can + * easily result in memory corruption if the path does not + * contain '/', ie. must be resolved against $PATH. + * See also https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=295991 + * As a workaround, only pass down absolute paths. + */ + gchar *program = g_find_program_in_path(argv[0]); + if (!program) { + g_set_error(error, TECO_ERROR, TECO_ERROR_FAILED, + "Program \"%s\" not found", argv[0]); + goto gerror; + } + g_free(argv[0]); + argv[0] = program; +#endif /* __FreeBSD__ < 16 */ + envp = teco_qreg_table_get_environ(&teco_qreg_table_globals, error); if (!envp) goto gerror; |