kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 16792 Comm: syz-executor1 Not tainted 4.19.0-rc4-next-20180921+ #77 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 IPVS: ftp: loaded support on port[0] = 21 RIP: 0010:nla_get_be32 include/net/netlink.h:1106 [inline] RIP: 0010:ctnetlink_alloc_filter+0xb9/0x200 net/netfilter/nf_conntrack_netlink.c:843 kobject: 'lo' (000000002f5f9012): kobject_add_internal: parent: 'net', set: 'devices' Code: 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 57 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 6c 24 40 49 8d 7d 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 06 kobject: 'lo' (000000002f5f9012): kobject_uevent_env RSP: 0018:ffff880190a971a0 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: ffff8801cd469f00 RCX: ffffc90003057000 RDX: 0000000000000000 RSI: ffffffff864e6f4d RDI: 0000000000000004 RBP: ffff880190a971b8 R08: ffff8801be1e22c0 R09: ffffed003b5a5b57 R10: ffffed003b5a5b57 R11: ffff8801dad2dabb R12: ffff880190a97500 kobject: 'lo' (000000002f5f9012): fill_kobj_path: path = '/devices/virtual/net/lo' R13: 0000000000000000 R14: ffff8801d9a5e738 R15: ffff8801d9a5e711 FS: 00007fb75c10a700(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'queues' (00000000791f751d): kobject_add_internal: parent: 'lo', set: '' CR2: 00007f726618bdb8 CR3: 00000001bbbc2000 CR4: 00000000001406e0 Call Trace: ctnetlink_start+0x10b/0x1b0 net/netfilter/nf_conntrack_netlink.c:857 kobject: 'queues' (00000000791f751d): kobject_uevent_env __netlink_dump_start+0x43e/0x6f0 net/netlink/af_netlink.c:2312 kobject: 'queues' (00000000791f751d): kobject_uevent_env: filter function caused the event to drop! netlink_dump_start include/linux/netlink.h:213 [inline] ctnetlink_get_conntrack+0x777/0x9f0 net/netfilter/nf_conntrack_netlink.c:1320 kobject: 'rx-0' (000000001990f962): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000001990f962): kobject_uevent_env kobject: 'rx-0' (000000001990f962): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0' kobject: 'tx-0' (000000008d06f36c): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000008d06f36c): kobject_uevent_env kobject: 'tx-0' (000000008d06f36c): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0' nfnetlink_rcv_msg+0xdd3/0x10c0 net/netfilter/nfnetlink.c:228 kobject: 'tunl0' (0000000081eaa011): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'tunl0' (0000000081eaa011): kobject_uevent_env kobject: 'tunl0' (0000000081eaa011): fill_kobj_path: path = '/devices/virtual/net/tunl0' kobject: 'queues' (000000001e8e5149): kobject_add_internal: parent: 'tunl0', set: '' kobject: 'queues' (000000001e8e5149): kobject_uevent_env netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2447 kobject: 'queues' (000000001e8e5149): kobject_uevent_env: filter function caused the event to drop! nfnetlink_rcv+0x1c0/0x4d0 net/netfilter/nfnetlink.c:560 kobject: 'rx-0' (00000000eddf2981): kobject_add_internal: parent: 'queues', set: 'queues' netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x5a5/0x760 net/netlink/af_netlink.c:1336 kobject: 'rx-0' (00000000eddf2981): kobject_uevent_env kobject: 'rx-0' (00000000eddf2981): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0' kobject: 'tx-0' (0000000037ef9041): kobject_add_internal: parent: 'queues', set: 'queues' netlink_sendmsg+0xa18/0xfc0 net/netlink/af_netlink.c:1901 kobject: 'tx-0' (0000000037ef9041): kobject_uevent_env kobject: 'tx-0' (0000000037ef9041): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/tx-0' sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:632 kobject: 'gre0' (00000000bb3492a3): kobject_add_internal: parent: 'net', set: 'devices' ___sys_sendmsg+0x7fd/0x930 net/socket.c:2117 kobject: 'gre0' (00000000bb3492a3): kobject_uevent_env kobject: 'gre0' (00000000bb3492a3): fill_kobj_path: path = '/devices/virtual/net/gre0' kobject: 'queues' (00000000f44127aa): kobject_add_internal: parent: 'gre0', set: '' kobject: 'queues' (00000000f44127aa): kobject_uevent_env __sys_sendmsg+0x11d/0x280 net/socket.c:2155 kobject: 'queues' (00000000f44127aa): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000f151911d): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000f151911d): kobject_uevent_env kobject: 'rx-0' (00000000f151911d): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/rx-0' kobject: 'tx-0' (00000000a45d1856): kobject_add_internal: parent: 'queues', set: 'queues' __do_sys_sendmsg net/socket.c:2164 [inline] __se_sys_sendmsg net/socket.c:2162 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2162 kobject: 'tx-0' (00000000a45d1856): kobject_uevent_env do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'tx-0' (00000000a45d1856): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/tx-0' kobject: 'gretap0' (00000000180ff29c): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'gretap0' (00000000180ff29c): kobject_uevent_env kobject: 'gretap0' (00000000180ff29c): fill_kobj_path: path = '/devices/virtual/net/gretap0' entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'queues' (000000009ef6c96d): kobject_add_internal: parent: 'gretap0', set: '' RIP: 0033:0x457679 kobject: 'queues' (000000009ef6c96d): kobject_uevent_env Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb75c109c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e kobject: 'queues' (000000009ef6c96d): kobject_uevent_env: filter function caused the event to drop! RAX: ffffffffffffffda RBX: 00007fb75c10a6d4 RCX: 0000000000457679 kobject: 'rx-0' (00000000dd493a38): kobject_add_internal: parent: 'queues', set: 'queues' RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d5520 R14: 00000000004c38d2 R15: 0000000000000000 Modules linked in: kobject: 'rx-0' (00000000dd493a38): kobject_uevent_env kobject: 'rx-0' (00000000dd493a38): fill_kobj_path: path = '/devices/virtual/net/gretap0/queues/rx-0' kobject: 'loop5' (0000000071388bba): kobject_uevent_env ---[ end trace 1be15a450b9d0b8e ]--- kobject: 'loop5' (0000000071388bba): fill_kobj_path: path = '/devices/virtual/block/loop5' RIP: 0010:nla_get_be32 include/net/netlink.h:1106 [inline] RIP: 0010:ctnetlink_alloc_filter+0xb9/0x200 net/netfilter/nf_conntrack_netlink.c:843 kobject: 'loop3' (00000000215b4ca2): kobject_uevent_env Code: 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 57 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 6c 24 40 49 8d 7d 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 06 kobject: 'loop0' (00000000603047ad): kobject_uevent_env kobject: 'loop3' (00000000215b4ca2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000603047ad): fill_kobj_path: path = '/devices/virtual/block/loop0' RSP: 0018:ffff880190a971a0 EFLAGS: 00010247 kobject: 'loop4' (0000000044408fcb): kobject_uevent_env kobject: 'tx-0' (00000000ca81a460): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (0000000044408fcb): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (0000000071388bba): kobject_uevent_env RAX: dffffc0000000000 RBX: ffff8801cd469f00 RCX: ffffc90003057000 kobject: 'tx-0' (00000000ca81a460): kobject_uevent_env RDX: 0000000000000000 RSI: ffffffff864e6f4d RDI: 0000000000000004 kobject: 'loop5' (0000000071388bba): fill_kobj_path: path = '/devices/virtual/block/loop5' RBP: ffff880190a971b8 R08: ffff8801be1e22c0 R09: ffffed003b5a5b57 kobject: 'tx-0' (00000000ca81a460): fill_kobj_path: path = '/devices/virtual/net/gretap0/queues/tx-0' R10: ffffed003b5a5b57 R11: ffff8801dad2dabb R12: ffff880190a97500 kobject: 'erspan0' (000000004ff62516): kobject_add_internal: parent: 'net', set: 'devices' R13: 0000000000000000 R14: ffff8801d9a5e738 R15: ffff8801d9a5e711 kobject: 'loop5' (0000000071388bba): kobject_uevent_env FS: 00007fb75c10a700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 kobject: 'loop5' (0000000071388bba): fill_kobj_path: path = '/devices/virtual/block/loop5' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'erspan0' (000000004ff62516): kobject_uevent_env CR2: 00007fe75c158000 CR3: 00000001bbbc2000 CR4: 00000000001406f0 kobject: 'loop4' (0000000044408fcb): kobject_uevent_env