Mao Wenan
07f12b26e2
net: sit: fix memory leak in sit_init_net() ...
If register_netdev() is failed to register sitn->fb_tunnel_dev,
it will go to err_reg_dev and forget to free netdev(sitn->fb_tunnel_dev).
BUG: memory leak
unreferenced object 0xffff888378daad00 (size 512):
comm "syz-executor.1", pid 4006, jiffies 4295121142 (age 16.115s)
hex dump (first 32 bytes):
00 e6 ed c0 83 88 ff ff 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:
[<00000000d6dcb63e>] kvmalloc include/linux/mm.h:577 [inline]
[<00000000d6dcb63e>] kvzalloc include/linux/mm.h:585 [inline]
[<00000000d6dcb63e>] netif_alloc_netdev_queues net/core/dev.c:8380 [inline]
[<00000000d6dcb63e>] alloc_netdev_mqs+0x600/0xcc0 net/core/dev.c:8970
[<00000000867e172f>] sit_init_net+0x295/0xa40 net/ipv6/sit.c:1848
[<00000000871019fa>] ops_init+0xad/0x3e0 net/core/net_namespace.c:129
[<00000000319507f6>] setup_net+0x2ba/0x690 net/core/net_namespace.c:314
[<0000000087db4f96>] copy_net_ns+0x1dc/0x330 net/core/net_namespace.c:437
[<0000000057efc651>] create_new_namespaces+0x382/0x730 kernel/nsproxy.c:107
[<00000000676f83de>] copy_namespaces+0x2ed/0x3d0 kernel/nsproxy.c:165
[<0000000030b74bac>] copy_process.part.27+0x231e/0x6db0 kernel/fork.c:1919
[<00000000fff78746>] copy_process kernel/fork.c:1713 [inline]
[<00000000fff78746>] _do_fork+0x1bc/0xe90 kernel/fork.c:2224
[<000000001c2e0d1c>] do_syscall_64+0xc8/0x580 arch/x86/entry/common.c:290
[<00000000ec48bd44>] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[<0000000039acff8a>] 0xffffffffffffffff
Signed-off-by: Mao Wenan <maowenan@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-03-02 00:53:23 -08:00
2018-12-19 00:28:05 +01:00
2018-12-25 17:07:49 +09:00
2018-12-06 13:26:07 -08:00
2018-10-23 10:57:06 -07:00
2019-01-23 11:18:00 -08:00
2019-02-12 13:30:43 -05:00
2018-12-27 13:53:32 -08:00
2019-02-19 00:17:03 +01:00
2019-01-16 15:46:46 -08:00
2019-02-23 18:36:06 -08:00
2018-10-23 10:57:06 -07:00
2019-01-22 11:33:46 +01:00
2019-02-18 18:05:33 +01:00
2019-02-17 15:48:43 -08:00
2019-02-01 14:49:10 -08:00
2019-01-27 23:11:55 -08:00
2018-10-04 09:40:52 -07:00
2019-02-25 09:34:52 -08:00
2018-12-03 15:40:30 -08:00
2018-12-24 16:19:56 -08:00
2019-03-01 16:41:27 -08:00
2019-03-02 00:53:23 -08:00
2018-11-10 16:55:11 -08:00
2019-02-12 10:36:42 +01:00
2019-01-31 08:58:46 -08:00
2018-12-03 14:15:26 -08:00
2018-10-22 19:59:20 -07:00
2019-02-22 14:00:40 +01:00
2019-02-26 13:23:17 -08:00
2018-11-27 16:37:20 -08:00
2019-02-16 10:41:42 +01:00
2019-02-27 21:45:24 -08:00
2018-12-14 11:44:31 -08:00
2019-01-27 10:38:04 -08:00
2019-02-27 12:47:08 -08:00
2019-01-16 13:35:21 -08:00
2019-02-12 13:37:23 -05:00
2019-02-21 16:23:56 -08:00
2019-01-31 09:43:27 -08:00
2018-12-18 13:13:56 +01:00
2019-01-27 10:40:01 -08:00
2019-02-06 10:54:07 -08:00
2019-02-28 10:31:31 -08:00
2019-02-28 10:33:40 -08:00
2019-02-21 10:19:20 -08:00
2018-10-15 12:23:19 -07:00
2019-02-16 17:38:01 -08:00
2018-12-12 16:34:22 -08:00
2019-02-26 14:50:50 -08:00
2019-01-28 23:07:08 -08:00
2019-02-20 20:06:28 -08:00
2019-02-08 22:32:05 -08:00
2019-02-11 15:50:56 +01:00
2019-02-23 18:41:06 -08:00
2019-02-21 16:32:25 +01:00
2019-02-18 10:58:54 +01:00
2019-02-22 11:49:28 -08:00
2018-12-19 11:21:37 -08:00
2019-02-25 10:40:57 -08:00
07f12b26e2