Warning: Permanently added '10.128.0.42' (ECDSA) to the list of known hosts. [ 42.803507] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 42.922189] audit: type=1400 audit(1563590999.966:36): avc: denied { map } for pid=7064 comm="syz-executor142" path="/root/syz-executor142894655" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 42.925184] netlink: 4 bytes leftover after parsing attributes in process `syz-executor142'. [ 42.957562] kasan: CONFIG_KASAN_INLINE enabled [ 42.962503] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 42.970383] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 42.977048] Modules linked in: [ 42.980244] CPU: 0 PID: 7064 Comm: syz-executor142 Not tainted 4.14.133 #28 [ 42.987511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.996873] task: ffff888080660500 task.stack: ffff888098168000 [ 43.002937] RIP: 0010:tcf_ife_init+0x1b3/0x1310 [ 43.007598] RSP: 0018:ffff88809816f230 EFLAGS: 00010246 [ 43.012961] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff110100cc1ae [ 43.020217] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000282 [ 43.027468] RBP: ffff88809816f378 R08: ffff888080660500 R09: 0000000000000001 [ 43.034740] R10: 0000000000000000 R11: ffff888080660500 R12: 000000000000001f [ 43.041992] R13: ffff88809b7ad200 R14: ffff88809816f350 R15: 0000000000000000 [ 43.049240] FS: 0000000002579880(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 [ 43.057446] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.063304] CR2: 0000000020000180 CR3: 00000000a1671000 CR4: 00000000001406f0 [ 43.070561] Call Trace: [ 43.073132] ? tc_lookup_action_n+0xb2/0xd0 [ 43.077436] ? ife_get_meta_u32+0x150/0x150 [ 43.081764] ? lock_downgrade+0x6e0/0x6e0 [ 43.085917] ? _raw_read_unlock+0x2d/0x50 [ 43.090072] tcf_action_init_1+0x53c/0xaa0 [ 43.094324] ? tcf_action_dump_old+0x80/0x80 [ 43.098717] ? lock_downgrade+0x6e0/0x6e0 [ 43.102848] ? nla_parse+0x186/0x240 [ 43.106540] tcf_action_init+0x2ab/0x480 [ 43.110590] ? tcf_action_init_1+0xaa0/0xaa0 [ 43.114983] ? memset+0x32/0x40 [ 43.118239] ? nla_parse+0x186/0x240 [ 43.121932] tc_ctl_action+0x32f/0x556 [ 43.125818] ? tca_action_gd+0x840/0x840 [ 43.129886] ? tca_action_gd+0x840/0x840 [ 43.133929] rtnetlink_rcv_msg+0x3eb/0xb70 [ 43.138143] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 43.142710] ? trace_hardirqs_on+0x10/0x10 [ 43.146923] ? save_trace+0x290/0x290 [ 43.150706] netlink_rcv_skb+0x14f/0x3c0 [ 43.154746] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 43.166751] ? netlink_ack+0x9a0/0x9a0 [ 43.170625] ? lock_downgrade+0x6e0/0x6e0 [ 43.174755] rtnetlink_rcv+0x1d/0x30 [ 43.178465] netlink_unicast+0x45d/0x780 [ 43.182515] ? netlink_attachskb+0x6a0/0x6a0 [ 43.186998] ? security_netlink_send+0x81/0xb0 [ 43.191582] netlink_sendmsg+0x7c4/0xc60 [ 43.195645] ? netlink_unicast+0x780/0x780 [ 43.199862] ? security_socket_sendmsg+0x89/0xb0 [ 43.204711] ? netlink_unicast+0x780/0x780 [ 43.208928] sock_sendmsg+0xce/0x110 [ 43.212643] ___sys_sendmsg+0x70a/0x840 [ 43.216598] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 43.221340] ? _raw_spin_unlock+0x2d/0x50 [ 43.232895] ? do_huge_pmd_anonymous_page+0x2fc/0x1470 [ 43.238174] ? __thp_get_unmapped_area+0x130/0x130 [ 43.243087] ? __handle_mm_fault+0x6a1/0x3470 [ 43.247657] ? save_trace+0x290/0x290 [ 43.251464] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 43.256288] ? __do_page_fault+0x4e9/0xb80 [ 43.267630] ? __fget_light+0x172/0x1f0 [ 43.271589] ? __fdget+0x1b/0x20 [ 43.274934] ? sockfd_lookup_light+0xb4/0x160 [ 43.279411] __sys_sendmsg+0xb9/0x140 [ 43.289944] ? SyS_shutdown+0x170/0x170 [ 43.293904] SyS_sendmsg+0x2d/0x50 [ 43.297426] ? __sys_sendmsg+0x140/0x140 [ 43.301475] do_syscall_64+0x1e8/0x640 [ 43.312355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.317306] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 43.322493] RIP: 0033:0x4401d9 [ 43.325660] RSP: 002b:00007ffe625fcff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 43.333349] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401d9 [ 43.340597] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 [ 43.347847] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 43.355099] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a60 [ 43.362348] R13: 0000000000401af0 R14: 0000000000000000 R15: 0000000000000000 [ 43.369608] Code: 76 fc 48 c7 c2 bb 01 e6 84 be 01 00 00 00 48 c7 c7 60 f5 78 87 e8 de 00 62 fc 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 [ 43.388703] RIP: tcf_ife_init+0x1b3/0x1310 RSP: ffff88809816f230 [ 43.395796] ---[ end trace 02676edbd9663246 ]--- [ 43.400624] Kernel panic - not syncing: Fatal exception [ 43.406969] Kernel Offset: disabled [ 43.410589] Rebooting in 86400 seconds..