Warning: Permanently added '10.128.0.226' (ECDSA) to the list of known hosts.
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syzkaller login: [   31.920631] audit: type=1400 audit(1601065937.924:8): avc:  denied  { execmem } for  pid=6354 comm="syz-executor809" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   31.930280] netlink: 32 bytes leftover after parsing attributes in process `syz-executor809'.
[   31.953580] netlink: 32 bytes leftover after parsing attributes in process `syz-executor809'.
[   31.965282] netlink: 32 bytes leftover after parsing attributes in process `syz-executor809'.
[   31.974194] netlink: 32 bytes leftover after parsing attributes in process `syz-executor809'.
[   31.982960] netlink: 32 bytes leftover after parsing attributes in process `syz-executor809'.
[   31.991786] netlink: 32 bytes leftover after parsing attributes in process `syz-executor809'.
[   32.011462] kasan: CONFIG_KASAN_INLINE enabled
[   32.017363] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   32.028350] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   32.034584] Modules linked in:
[   32.037752] CPU: 1 PID: 6370 Comm: syz-executor809 Not tainted 4.14.198-syzkaller #0
[   32.045641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   32.054974] task: ffff8880972e0480 task.stack: ffff888097a18000
[   32.061013] RIP: 0010:__tcf_idr_release+0x17d/0x260
[   32.066003] RSP: 0018:ffff888097a1f4f0 EFLAGS: 00010297
[   32.071340] RAX: ffff8880972e0480 RBX: 0000000000000000 RCX: 0000000000000000
[   32.078585] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88808f8bf7a0
[   32.085882] RBP: ffff88808f8bf7a0 R08: ffffffff8a096f08 R09: 0000000000000001
[   32.093127] R10: 0000000000000000 R11: ffff8880972e0480 R12: e801000000beffff
[   32.100371] R13: 00000000850ca675 R14: ffffffff81856373 R15: 0000000000000000
[   32.107616] FS:  00007f7675640700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
[   32.115816] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.121715] CR2: 00007ffc21661dac CR3: 000000009b735000 CR4: 00000000001406e0
[   32.128959] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   32.136203] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   32.143448] Call Trace:
[   32.146021]  ? kfree_skbmem+0x88/0x100
[   32.149881]  tcf_action_destroy+0xed/0x170
[   32.154090]  tcf_action_init+0x294/0x400
[   32.158126]  ? tcf_action_init_1+0x9e0/0x9e0
[   32.162538]  ? finish_task_switch+0x178/0x610
[   32.167006]  ? finish_task_switch+0x14d/0x610
[   32.171589]  ? memset+0x20/0x40
[   32.174847]  ? nla_parse+0x157/0x1f0
[   32.178535]  tc_ctl_action+0x2e3/0x50f
[   32.182400]  ? tca_action_gd+0x790/0x790
[   32.186433]  ? rtnetlink_rcv_msg+0x2e8/0xb10
[   32.190814]  ? tca_action_gd+0x790/0x790
[   32.194863]  rtnetlink_rcv_msg+0x3be/0xb10
[   32.199072]  ? rtnl_calcit.isra.0+0x3a0/0x3a0
[   32.203552]  ? __netlink_lookup+0x345/0x5d0
[   32.207849]  netlink_rcv_skb+0x125/0x390
[   32.211881]  ? rtnl_calcit.isra.0+0x3a0/0x3a0
[   32.216372]  ? netlink_ack+0x9a0/0x9a0
[   32.220240]  netlink_unicast+0x437/0x610
[   32.224289]  ? netlink_sendskb+0xd0/0xd0
[   32.228325]  netlink_sendmsg+0x62e/0xb80
[   32.232361]  ? nlmsg_notify+0x170/0x170
[   32.236307]  ? kernel_recvmsg+0x210/0x210
[   32.240447]  ? security_socket_sendmsg+0x83/0xb0
[   32.245215]  ? nlmsg_notify+0x170/0x170
[   32.249163]  sock_sendmsg+0xb5/0x100
[   32.252850]  ___sys_sendmsg+0x6c8/0x800
[   32.256816]  ? copy_msghdr_from_user+0x3b0/0x3b0
[   32.261553]  ? lock_downgrade+0x740/0x740
[   32.265676]  ? do_raw_spin_unlock+0x164/0x220
[   32.270162]  ? _raw_spin_unlock+0x29/0x40
[   32.274283]  ? do_huge_pmd_anonymous_page+0x732/0x1670
[   32.279540]  ? __fget+0x1fe/0x360
[   32.282998]  ? lock_acquire+0x170/0x3f0
[   32.286947]  ? lock_downgrade+0x740/0x740
[   32.291068]  ? __fget+0x225/0x360
[   32.294495]  ? __fdget+0x196/0x1f0
[   32.298011]  ? sockfd_lookup_light+0xb2/0x160
[   32.302481]  __sys_sendmsg+0xa3/0x120
[   32.306255]  ? SyS_shutdown+0x160/0x160
[   32.310203]  ? up_read+0x17/0x30
[   32.313543]  ? __do_page_fault+0x19a/0xb50
[   32.317752]  SyS_sendmsg+0x27/0x40
[   32.321282]  ? __sys_sendmsg+0x120/0x120
[   32.325324]  do_syscall_64+0x1d5/0x640
[   32.329197]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   32.334359] RIP: 0033:0x446c19
[   32.337547] RSP: 002b:00007f767563fd98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.346197] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446c19
[   32.353442] RDX: 0000000000000000 RSI: 0000000020002980 RDI: 0000000000000003
[   32.360686] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000
[   32.367936] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c
[   32.375184] R13: 0001008400000000 R14: 0000000000e60000 R15: 053b003000000098
[   32.382432] Code: 49 8d 7c 24 48 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 c7 00 00 00 4d 8b 64 24 48 4d 85 e4 74 0e e8 39 4e 38 fc 0f b6 f3 48 89 ef <41> ff d4 e8 2b 4e 38 fc 48 8d 7d 20 48 b8 00 00 00 00 00 fc ff 
[   32.401597] RIP: __tcf_idr_release+0x17d/0x260 RSP: ffff888097a1f4f0
[   32.408574] ---[ end trace 4816c45cc30af74c ]---
[   32.413464] Kernel panic - not syncing: Fatal exception
[   32.420100] Kernel Offset: disabled
[   32.423784] Rebooting in 86400 seconds..