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From 6c286621ff551eed1dca5afaf08aeaa41eabd96d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Sat, 30 Jan 2021 13:05:26 +0100
Subject: [PATCH] Revert "Remove use of vasprintf"
This reverts commit 1f0713f80303154d07d9221a7398b6fbc5c0fa6d.
$ valgrind ./modules/json-c/tests/test_json_pointer
==56== Memcheck, a memory error detector
==56== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==56== Using Valgrind-3.16.1 and LibVEX; rerun with -h for copyright info
==56== Command: ./modules/json-c/tests/test_json_pointer
==56==
PASSED - GET - LOADED TEST JSON
{ "foo": [ "bar", "baz" ], "": 0, "a\/b": 1, "c%d": 2, "e^f": 3, "g|h": 4, "i\\j": 5, "k\"l": 6, " ": 7, "m~n": 8 }
PASSED - GET - ENTIRE OBJECT WORKED
PASSED - GET - /foo == ['bar', 'baz']
PASSED - GET - /foo/0 == 'bar'
PASSED - GET - / == 0
PASSED - GET - /a~1b == 1
PASSED - GET - /c%d == 2
PASSED - GET - /e^f == 3
PASSED - GET - /g|h == 4
PASSED - GET - /i\j == 5
PASSED - GET - /k"l == 6
PASSED - GET - / == 7
PASSED - GET - /m~0n == 8
PASSED - GET - LOADED TEST JSON
{ "foo": [ "bar", "baz" ], "": 0, "a\/b": 1, "c%d": 2, "e^f": 3, "g|h": 4, "i\\j": 5, "k\"l": 6, " ": 7, "m~n": 8 }
PASSED - GET - MISSING /
PASSED - GET - NULL INPUTS
==56== Invalid write of size 1
==56== at 0x48D0F75: _IO_default_xsputn (in /usr/lib64/libc-2.32.9000.so)
==56== by 0x48B954F: __vfprintf_internal (in /usr/lib64/libc-2.32.9000.so)
==56== by 0x48C54F3: __vsprintf_internal (in /usr/lib64/libc-2.32.9000.so)
==56== by 0x110C34: UnknownInlinedFun (stdio2.h:52)
==56== by 0x110C34: json_vasprintf.constprop.0 (vasprintf_compat.h:34)
==56== by 0x110EBF: json_pointer_getf.constprop.0 (json_pointer.c:211)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56== Address 0x4a24a27 is 0 bytes after a block of size 7 alloc'd
==56== at 0x483C805: malloc (vg_replace_malloc.c:307)
==56== by 0x110C12: json_vasprintf.constprop.0 (vasprintf_compat.h:31)
==56== by 0x110EBF: json_pointer_getf.constprop.0 (json_pointer.c:211)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56==
==56== Invalid write of size 1
==56== at 0x48C54F9: __vsprintf_internal (in /usr/lib64/libc-2.32.9000.so)
==56== by 0x110C34: UnknownInlinedFun (stdio2.h:52)
==56== by 0x110C34: json_vasprintf.constprop.0 (vasprintf_compat.h:34)
==56== by 0x110EBF: json_pointer_getf.constprop.0 (json_pointer.c:211)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56== Address 0x4a24a29 is 2 bytes after a block of size 7 alloc'd
==56== at 0x483C805: malloc (vg_replace_malloc.c:307)
==56== by 0x110C12: json_vasprintf.constprop.0 (vasprintf_compat.h:31)
==56== by 0x110EBF: json_pointer_getf.constprop.0 (json_pointer.c:211)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56==
==56== Invalid read of size 1
==56== at 0x483F800: __strchr_sse2 (vg_replace_strmem.c:248)
==56== by 0x10CCDC: json_pointer_get_recursive (json_pointer.c:152)
==56== by 0x110F07: json_pointer_getf.constprop.0 (json_pointer.c:223)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56== Address 0x4a24a27 is 0 bytes after a block of size 7 alloc'd
==56== at 0x483C805: malloc (vg_replace_malloc.c:307)
==56== by 0x110C12: json_vasprintf.constprop.0 (vasprintf_compat.h:31)
==56== by 0x110EBF: json_pointer_getf.constprop.0 (json_pointer.c:211)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56==
==56== Invalid write of size 1
==56== at 0x10CCE5: json_pointer_get_recursive (json_pointer.c:154)
==56== by 0x110F07: json_pointer_getf.constprop.0 (json_pointer.c:223)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56== Address 0x4a24a27 is 0 bytes after a block of size 7 alloc'd
==56== at 0x483C805: malloc (vg_replace_malloc.c:307)
==56== by 0x110C12: json_vasprintf.constprop.0 (vasprintf_compat.h:31)
==56== by 0x110EBF: json_pointer_getf.constprop.0 (json_pointer.c:211)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56==
==56== Invalid read of size 1
==56== at 0x483FBE4: __strlen_sse2 (vg_replace_strmem.c:461)
==56== by 0x10CB0B: string_replace_all_occurrences_with_char (json_pointer.c:30)
==56== by 0x10CD47: UnknownInlinedFun (json_pointer.c:100)
==56== by 0x10CD47: json_pointer_get_recursive (json_pointer.c:157)
==56== by 0x110F07: json_pointer_getf.constprop.0 (json_pointer.c:223)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56== Address 0x4a24a27 is 0 bytes after a block of size 7 alloc'd
==56== at 0x483C805: malloc (vg_replace_malloc.c:307)
==56== by 0x110C12: json_vasprintf.constprop.0 (vasprintf_compat.h:31)
==56== by 0x110EBF: json_pointer_getf.constprop.0 (json_pointer.c:211)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56==
==56== Invalid read of size 1
==56== at 0x4844510: strstr (vg_replace_strmem.c:1642)
==56== by 0x10CB53: string_replace_all_occurrences_with_char (json_pointer.c:33)
==56== by 0x10CD47: UnknownInlinedFun (json_pointer.c:100)
==56== by 0x10CD47: json_pointer_get_recursive (json_pointer.c:157)
==56== by 0x110F07: json_pointer_getf.constprop.0 (json_pointer.c:223)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56== Address 0x4a24a27 is 0 bytes after a block of size 7 alloc'd
==56== at 0x483C805: malloc (vg_replace_malloc.c:307)
==56== by 0x110C12: json_vasprintf.constprop.0 (vasprintf_compat.h:31)
==56== by 0x110EBF: json_pointer_getf.constprop.0 (json_pointer.c:211)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56==
==56== Invalid read of size 1
==56== at 0x483FBE4: __strlen_sse2 (vg_replace_strmem.c:461)
==56== by 0x10CB0B: string_replace_all_occurrences_with_char (json_pointer.c:30)
==56== by 0x10CD5B: UnknownInlinedFun (json_pointer.c:101)
==56== by 0x10CD5B: json_pointer_get_recursive (json_pointer.c:157)
==56== by 0x110F07: json_pointer_getf.constprop.0 (json_pointer.c:223)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56== Address 0x4a24a27 is 0 bytes after a block of size 7 alloc'd
==56== at 0x483C805: malloc (vg_replace_malloc.c:307)
==56== by 0x110C12: json_vasprintf.constprop.0 (vasprintf_compat.h:31)
==56== by 0x110EBF: json_pointer_getf.constprop.0 (json_pointer.c:211)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56==
==56== Invalid read of size 1
==56== at 0x4844510: strstr (vg_replace_strmem.c:1642)
==56== by 0x10CB53: string_replace_all_occurrences_with_char (json_pointer.c:33)
==56== by 0x10CD5B: UnknownInlinedFun (json_pointer.c:101)
==56== by 0x10CD5B: json_pointer_get_recursive (json_pointer.c:157)
==56== by 0x110F07: json_pointer_getf.constprop.0 (json_pointer.c:223)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56== Address 0x4a24a27 is 0 bytes after a block of size 7 alloc'd
==56== at 0x483C805: malloc (vg_replace_malloc.c:307)
==56== by 0x110C12: json_vasprintf.constprop.0 (vasprintf_compat.h:31)
==56== by 0x110EBF: json_pointer_getf.constprop.0 (json_pointer.c:211)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56==
==56== Invalid read of size 1
==56== at 0x483FBE4: __strlen_sse2 (vg_replace_strmem.c:461)
==56== by 0x10DAD3: lh_char_hash (linkhash.c:480)
==56== by 0x10CDCA: UnknownInlinedFun (linkhash.h:346)
==56== by 0x10CDCA: UnknownInlinedFun (linkhash.c:625)
==56== by 0x10CDCA: UnknownInlinedFun (linkhash.c:630)
==56== by 0x10CDCA: UnknownInlinedFun (json_object.c:547)
==56== by 0x10CDCA: UnknownInlinedFun (json_object.c:535)
==56== by 0x10CDCA: UnknownInlinedFun (json_pointer.c:103)
==56== by 0x10CDCA: json_pointer_get_recursive (json_pointer.c:157)
==56== by 0x110F07: json_pointer_getf.constprop.0 (json_pointer.c:223)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56== Address 0x4a24a27 is 0 bytes after a block of size 7 alloc'd
==56== at 0x483C805: malloc (vg_replace_malloc.c:307)
==56== by 0x110C12: json_vasprintf.constprop.0 (vasprintf_compat.h:31)
==56== by 0x110EBF: json_pointer_getf.constprop.0 (json_pointer.c:211)
==56== by 0x10AAE7: UnknownInlinedFun (test_json_pointer.c:199)
==56== by 0x10AAE7: main (test_json_pointer.c:314)
==56==
test_json_pointer: test_json_pointer.c:200: test_wrong_inputs_get: Assertion `errno == EINVAL' failed.
==56==
==56== Process terminating with default action of signal 6 (SIGABRT)
==56== at 0x488A282: raise (in /usr/lib64/libc-2.32.9000.so)
==56== by 0x48738A3: abort (in /usr/lib64/libc-2.32.9000.so)
==56== by 0x4873788: __assert_fail_base.cold (in /usr/lib64/libc-2.32.9000.so)
==56== by 0x4882A05: __assert_fail (in /usr/lib64/libc-2.32.9000.so)
==56== by 0x10B8F8: UnknownInlinedFun (test_json_pointer.c:200)
==56== by 0x10B8F8: main (test_json_pointer.c:314)
==56==
==56== HEAP SUMMARY:
==56== in use at exit: 2,307 bytes in 29 blocks
==56== total heap usage: 130 allocs, 101 frees, 10,302 bytes allocated
==56==
==56== LEAK SUMMARY:
==56== definitely lost: 0 bytes in 0 blocks
==56== indirectly lost: 0 bytes in 0 blocks
==56== possibly lost: 0 bytes in 0 blocks
==56== still reachable: 2,307 bytes in 29 blocks
==56== suppressed: 0 bytes in 0 blocks
==56== Rerun with --leak-check=full to see details of leaked memory
==56==
==56== For lists of detected and suppressed errors, rerun with: -s
==56== ERROR SUMMARY: 10 errors from 9 contexts (suppressed: 0 from 0)
Aborted (core dumped)
---
configure.ac | 2 +-
json_pointer.c | 4 ++--
printbuf.c | 2 +-
vasprintf_compat.h | 4 +++-
4 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/configure.ac b/configure.ac
index 9eb80bcf1c..f61fcccf24 100644
--- a/modules/json-c/configure.ac
+++ b/modules/json-c/configure.ac
@@ -81,7 +81,7 @@ AS_IF([test "x$ac_cv___thread" != xno],
AC_FUNC_VPRINTF
AC_FUNC_MEMCMP
AC_CHECK_FUNCS([realloc])
-AC_CHECK_FUNCS(strcasecmp strdup strerror snprintf vsnprintf open strncasecmp setlocale)
+AC_CHECK_FUNCS(strcasecmp strdup strerror snprintf vsnprintf vasprintf open strncasecmp setlocale)
AC_CHECK_DECLS([INFINITY], [], [], [[#include <math.h>]])
AC_CHECK_DECLS([nan], [], [], [[#include <math.h>]])
AC_CHECK_DECLS([isnan], [], [], [[#include <math.h>]])
diff --git a/modules/json-c/json_pointer.c b/modules/json-c/json_pointer.c
index 3b43eb2f40..9531c036c8 100644
--- a/modules/json-c/json_pointer.c
+++ b/modules/json-c/json_pointer.c
@@ -208,7 +208,7 @@ int json_pointer_getf(struct json_object *obj, struct json_object **res, const c
}
va_start(args, path_fmt);
- rc = json_vasprintf(&path_copy, path_fmt, args);
+ rc = vasprintf(&path_copy, path_fmt, args);
va_end(args);
if (rc < 0)
@@ -287,7 +287,7 @@ int json_pointer_setf(struct json_object **obj, struct json_object *value, const
/* pass a working copy to the recursive call */
va_start(args, path_fmt);
- rc = json_vasprintf(&path_copy, path_fmt, args);
+ rc = vasprintf(&path_copy, path_fmt, args);
va_end(args);
if (rc < 0)
diff --git a/modules/json-c/printbuf.c b/modules/json-c/printbuf.c
index b326293b01..6c77b5defd 100644
--- a/modules/json-c/printbuf.c
+++ b/modules/json-c/printbuf.c
@@ -129,7 +129,7 @@ int sprintbuf(struct printbuf *p, const char *msg, ...)
would have been written - this code handles both cases. */
if(size == -1 || size > 127) {
va_start(ap, msg);
- if((size = json_vasprintf(&t, msg, ap)) < 0) { va_end(ap); return -1; }
+ if((size = vasprintf(&t, msg, ap)) < 0) { va_end(ap); return -1; }
va_end(ap);
printbuf_memappend(p, t, size);
free(t);
diff --git a/modules/json-c/vasprintf_compat.h b/modules/json-c/vasprintf_compat.h
index b57f30f64c..43dbf8939c 100644
--- a/modules/json-c/vasprintf_compat.h
+++ b/modules/json-c/vasprintf_compat.h
@@ -8,8 +8,9 @@
#include "snprintf_compat.h"
+#if !defined(HAVE_VASPRINTF)
/* CAW: compliant version of vasprintf */
-static int json_vasprintf(char **buf, const char *fmt, va_list ap)
+static int vasprintf(char **buf, const char *fmt, va_list ap)
{
#ifndef WIN32
static char _T_emptybuffer = '\0';
@@ -40,5 +41,6 @@ static int json_vasprintf(char **buf, const char *fmt, va_list ap)
return chars;
}
+#endif /* !HAVE_VASPRINTF */
#endif /* __vasprintf_compat_h */
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