linux-ext4 - [RFC PATCH v2 08/51] e2fsck: add assert when copying context

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 19 Jun 2020 00:27:11 +0900
From:   Wang Shilong <wangshilong1991@...il.com>
To:     linux-ext4@...r.kernel.org
Cc:     lixi@....com, adilger@...ger.ca, wangshilong1991@...il.com,
        sihara@....com, Wang Shilong <wshilong@....com>
Subject: [RFC PATCH v2 08/51] e2fsck: add assert when copying context

From: Li Xi <lixi@....com>

Adding the assert would simplify the copying of context.

Signed-off-by: Li Xi <lixi@....com>
Signed-off-by: Wang Shilong <wshilong@....com>
---
 e2fsck/pass1.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/e2fsck/pass1.c b/e2fsck/pass1.c
index 22597b12..1ee6b5bc 100644
--- a/e2fsck/pass1.c
+++ b/e2fsck/pass1.c
@@ -46,6 +46,7 @@
 #ifdef HAVE_ERRNO_H
 #include <errno.h>
 #endif
+#include <assert.h>
 
 #include "e2fsck.h"
 #include <ext2fs/ext2_ext_attr.h>
@@ -2139,6 +2140,18 @@ static errcode_t e2fsck_pass1_thread_prepare(e2fsck_t global_ctx, e2fsck_t *thre
 	ext2_filsys	thread_fs;
 	ext2_filsys	global_fs = global_ctx->fs;
 
+	assert(global_ctx->inode_used_map == NULL);
+	assert(global_ctx->inode_dir_map == NULL);
+	assert(global_ctx->inode_bb_map == NULL);
+	assert(global_ctx->inode_imagic_map == NULL);
+	assert(global_ctx->inode_reg_map == NULL);
+	assert(global_ctx->inodes_to_rebuild == NULL);
+
+	assert(global_ctx->block_found_map == NULL);
+	assert(global_ctx->block_dup_map == NULL);
+	assert(global_ctx->block_ea_map == NULL);
+	assert(global_ctx->block_metadata_map == NULL);
+
 	retval = ext2fs_get_mem(sizeof(struct e2fsck_struct), &thread_context);
 	if (retval) {
 		com_err(global_ctx->program_name, retval, "while allocating memory");
-- 
2.25.4