forked from mirrors/nixpkgs
55 lines
1.6 KiB
Diff
55 lines
1.6 KiB
Diff
https://savannah.gnu.org/bugs/?36451
|
|
|
|
From a95796de3a491d8acfc8ea94c217b90531161786 Mon Sep 17 00:00:00 2001
|
|
From: psmith <psmith>
|
|
Date: Sun, 9 Sep 2012 23:25:07 +0000
|
|
Subject: [PATCH] Keep the command line on the heap to avoid stack overflow.
|
|
Fixes Savannah bug #36451.
|
|
|
|
---
|
|
ChangeLog | 3 +++
|
|
job.c | 13 +++++++++----
|
|
2 files changed, 12 insertions(+), 4 deletions(-)
|
|
|
|
diff --git job.c job.c
|
|
index 754576b..f7b7d51 100644
|
|
--- job.c
|
|
+++ job.c
|
|
@@ -2984,8 +2984,8 @@ construct_command_argv_internal (char *line, char **restp, char *shell,
|
|
return new_argv;
|
|
}
|
|
|
|
- new_line = alloca ((shell_len*2) + 1 + sflags_len + 1
|
|
- + (line_len*2) + 1);
|
|
+ new_line = xmalloc ((shell_len*2) + 1 + sflags_len + 1
|
|
+ + (line_len*2) + 1);
|
|
ap = new_line;
|
|
/* Copy SHELL, escaping any characters special to the shell. If
|
|
we don't escape them, construct_command_argv_internal will
|
|
@@ -3052,8 +3052,11 @@ construct_command_argv_internal (char *line, char **restp, char *shell,
|
|
*ap++ = *p;
|
|
}
|
|
if (ap == new_line + shell_len + sflags_len + 2)
|
|
- /* Line was empty. */
|
|
- return 0;
|
|
+ {
|
|
+ /* Line was empty. */
|
|
+ free (new_line);
|
|
+ return 0;
|
|
+ }
|
|
*ap = '\0';
|
|
|
|
#ifdef WINDOWS32
|
|
@@ -3194,6 +3197,8 @@ construct_command_argv_internal (char *line, char **restp, char *shell,
|
|
fatal (NILF, _("%s (line %d) Bad shell context (!unixy && !batch_mode_shell)\n"),
|
|
__FILE__, __LINE__);
|
|
#endif
|
|
+
|
|
+ free (new_line);
|
|
}
|
|
#endif /* ! AMIGA */
|
|
|
|
--
|
|
1.7.12
|
|
|