memory leak in xfrm_user_rcv

Title	Replies (including bot)	Last reply
[PATCH 5.10 000/135] 5.10.58-rc1 review	159 (159)	2021/08/19 08:52
[PATCH 5.13 000/175] 5.13.10-rc1 review	183 (183)	2021/08/12 06:45
[PATCH 1/6] net: xfrm: fix memory leak in xfrm_user_rcv_msg	2 (2)	2021/08/04 10:10
[PATCH] net: xfrm: fix memory leak in xfrm_user_rcv_msg	2 (2)	2021/06/30 06:51
[syzbot] memory leak in xfrm_user_rcv_msg	1 (3)	2021/06/24 19:30

Created	Duration	User	Patch	Repo	Result
2021/06/24 19:12	16m	paskripkin@gmail.com	patch	upstream	OK

Created

Duration

User

Patch

Repo

Result

2021/06/24 19:12

16m

paskripkin@gmail.com

patch

upstream

BUG: memory leak unreferenced object 0xffff88810f402d00 (size 232): comm "syz-executor486", pid 8416, jiffies 4294943639 (age 13.060s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff836a0d5f>] __alloc_skb+0x20f/0x280 net/core/skbuff.c:413 [<ffffffff83ad5686>] alloc_skb include/linux/skbuff.h:1107 [inline] [<ffffffff83ad5686>] xfrm_alloc_compat+0x1d6/0x6d0 net/xfrm/xfrm_compat.c:324 [<ffffffff83ad2b4c>] xfrm_alloc_userspi+0x29c/0x3f0 net/xfrm/xfrm_user.c:1448 [<ffffffff83ace7f8>] xfrm_user_rcv_msg+0x208/0x3e0 net/xfrm/xfrm_user.c:2812 [<ffffffff838233d7>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2504 [<ffffffff83acc9e2>] xfrm_netlink_rcv+0x32/0x40 net/xfrm/xfrm_user.c:2824 [<ffffffff838225c2>] netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] [<ffffffff838225c2>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1340 [<ffffffff83822a58>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1929 [<ffffffff836908a6>] sock_sendmsg_nosec net/socket.c:654 [inline] [<ffffffff836908a6>] sock_sendmsg+0x56/0x80 net/socket.c:674 [<ffffffff83696c6f>] sock_no_sendpage+0x8f/0xc0 net/core/sock.c:2862 [<ffffffff836901ab>] kernel_sendpage.part.0+0xeb/0x150 net/socket.c:3631 [<ffffffff83690e8b>] kernel_sendpage net/socket.c:3628 [inline] [<ffffffff83690e8b>] sock_sendpage+0x5b/0x90 net/socket.c:947 [<ffffffff815b8872>] pipe_to_sendpage+0xa2/0x110 fs/splice.c:364 [<ffffffff815ba712>] splice_from_pipe_feed fs/splice.c:418 [inline] [<ffffffff815ba712>] __splice_from_pipe+0x1e2/0x330 fs/splice.c:562 [<ffffffff815baf3f>] splice_from_pipe fs/splice.c:597 [inline] [<ffffffff815baf3f>] generic_splice_sendpage+0x6f/0xa0 fs/splice.c:746 [<ffffffff815b892b>] do_splice_from fs/splice.c:767 [inline] [<ffffffff815b892b>] direct_splice_actor+0x4b/0x70 fs/splice.c:936