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debugfs.c: the max length of debugfs argument is too short
The max length of debugfs argument is 256 which is too short, the
arguments are two paths, the PATH_MAX is 4096 according to
/usr/include/linux/limits.h, so use BUFSIZ (which is 8192 on Linux
systems), that's also what the ss library uses.
Upstream-Status: Submitted
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
---
debugfs/debugfs.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c
--- a/debugfs/debugfs.c
+++ b/debugfs/debugfs.c
@@ -37,6 +37,10 @@ extern char *optarg;
#include "../version.h"
#include "jfs_user.h"
+#ifndef BUFSIZ
+#define BUFSIZ 8192
+#endif
+
ss_request_table *extra_cmds;
const char *debug_prog_name;
int sci_idx;
@@ -2311,7 +2315,7 @@ void do_dump_mmp(int argc EXT2FS_ATTR((unused)), char *argv[])
static int source_file(const char *cmd_file, int ss_idx)
{
FILE *f;
- char buf[256];
+ char buf[BUFSIZ];
char *cp;
int exit_status = 0;
int retval;
--
1.8.1.2
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