From: akpm@linux-foundation.org
To: hushiyuan@huawei.com, jack@suse.cz, linfeilong@huawei.com,
mm-commits@vger.kernel.org, yeyunfeng@huawei.com,
zhengbin13@huawei.com
Subject: [merged] reiserfs-prevent-null-pointer-dereference-in-reiserfs_insert_item.patch removed from -mm tree
Date: Fri, 31 Jan 2020 15:21:06 -0800 [thread overview]
Message-ID: <20200131232106.i_ZR7PySN%akpm@linux-foundation.org> (raw)
The patch titled
Subject: reiserfs: prevent NULL pointer dereference in reiserfs_insert_item()
has been removed from the -mm tree. Its filename was
reiserfs-prevent-null-pointer-dereference-in-reiserfs_insert_item.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Yunfeng Ye <yeyunfeng@huawei.com>
Subject: reiserfs: prevent NULL pointer dereference in reiserfs_insert_item()
The variable inode may be NULL in reiserfs_insert_item(), but there is
no check before accessing the member of inode.
Fix this by adding NULL pointer check before calling reiserfs_debug().
Link: http://lkml.kernel.org/r/79c5135d-ff25-1cc9-4e99-9f572b88cc00@huawei.com
Signed-off-by: Yunfeng Ye <yeyunfeng@huawei.com>
Cc: zhengbin <zhengbin13@huawei.com>
Cc: Hu Shiyuan <hushiyuan@huawei.com>
Cc: Feilong Lin <linfeilong@huawei.com>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
fs/reiserfs/stree.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/fs/reiserfs/stree.c~reiserfs-prevent-null-pointer-dereference-in-reiserfs_insert_item
+++ a/fs/reiserfs/stree.c
@@ -2246,7 +2246,8 @@ error_out:
/* also releases the path */
unfix_nodes(&s_ins_balance);
#ifdef REISERQUOTA_DEBUG
- reiserfs_debug(th->t_super, REISERFS_DEBUG_CODE,
+ if (inode)
+ reiserfs_debug(th->t_super, REISERFS_DEBUG_CODE,
"reiserquota insert_item(): freeing %u id=%u type=%c",
quota_bytes, inode->i_uid, head2type(ih));
#endif
_
Patches currently in -mm which might be from yeyunfeng@huawei.com are
reply other threads:[~2020-01-31 23:21 UTC|newest]
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