From: Chao Yu <yuchao0@huawei.com>
To: <jaegeuk@kernel.org>
Cc: linux-f2fs-devel@lists.sourceforge.net
Subject: [f2fs-dev] [PATCH 01/10] f2fs-tools: fix potential deadloop
Date: Fri, 9 Aug 2019 18:52:53 +0800 [thread overview]
Message-ID: <20190809105302.79876-1-yuchao0@huawei.com> (raw)
In error path of build_sit_info(), start variable is unsigned int type,
it should never be less than zero, fix it.
build_sit_info()
{
...
unsigned int start;
...
free_validity_maps:
for (--start ; start >= 0; --start)
free(sit_i->sentries[start].cur_valid_map);
...
}
Signed-off-by: Chao Yu <yuchao0@huawei.com>
---
fsck/mount.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fsck/mount.c b/fsck/mount.c
index fd89b8e..f97c4ea 100644
--- a/fsck/mount.c
+++ b/fsck/mount.c
@@ -1401,7 +1401,8 @@ int build_sit_info(struct f2fs_sb_info *sbi)
struct f2fs_super_block *sb = F2FS_RAW_SUPER(sbi);
struct f2fs_checkpoint *cp = F2FS_CKPT(sbi);
struct sit_info *sit_i;
- unsigned int sit_segs, start;
+ unsigned int sit_segs;
+ int start;
char *src_bitmap, *dst_bitmap;
unsigned int bitmap_size;
--
2.18.0.rc1
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next reply other threads:[~2019-08-09 10:53 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-09 10:52 Chao Yu [this message]
2019-08-09 10:52 ` [f2fs-dev] [PATCH 02/10] f2fs-tools: fix to avoid memory leak of sit_i->sentries Chao Yu
2019-08-09 10:52 ` [f2fs-dev] [PATCH 03/10] f2fs-tools: allocate memory in batch in build_sit_info() Chao Yu
2019-08-09 10:52 ` [f2fs-dev] [PATCH 04/10] fsck.f2fs: introduce current_sit_addr() for cleanup Chao Yu
2019-08-09 10:52 ` [f2fs-dev] [PATCH 05/10] f2fs-tools: introduce f2fs_ra_meta_pages() Chao Yu
2019-08-09 10:52 ` [f2fs-dev] [PATCH 06/10] dump.f2fs: introduce start_bidx_of_node() for cleanup Chao Yu
2019-08-09 10:52 ` [f2fs-dev] [PATCH 07/10] fsck.f2fs: fix to set large section type during allocation Chao Yu
2019-08-09 10:53 ` [f2fs-dev] [PATCH 08/10] f2fs-tools: advise to mount unclean image to replay journal Chao Yu
2019-08-09 10:53 ` [f2fs-dev] [PATCH 09/10] fsck.f2fs: fix to propagate error of write_dquots() Chao Yu
2019-08-09 10:53 ` [f2fs-dev] [PATCH 10/10] f2fs-tools: add missing newline symbol in log Chao Yu
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