shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 19:30:30 +09:00
Code Issues Packages Projects Releases Wiki Activity

9p: potential NULL dereference

Browse Source 
[ Upstream commit 72ea032108 ]

p9_tag_alloc() is supposed to return error pointers, but we accidentally
return a NULL here.  It would cause a NULL dereference in the caller.

Link: http://lkml.kernel.org/m/20180926103934.GA14535@mwanda
Fixes: 996d5b4db4 ("9p: Use a slab for allocating requests")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter
2018-09-26 13:39:34 +03:00
committed by Greg Kroah-Hartman
parent 6490cdf9d2
commit 39bf142ae0
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
net/9p/client.c
View File

@@ -287,7 +287,7 @@ p9_tag_alloc(struct p9_client *c, int8_t type, unsigned int max_size)
int tag;
if (!req)
return NULL;
return ERR_PTR(-ENOMEM);
if (p9_fcall_init(c, &req->tc, alloc_msize))
goto free_req;