[ 36.294986] audit: type=1800 audit(1580252820.711:33): pid=7252 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0
[ 36.323233] audit: type=1800 audit(1580252820.711:34): pid=7252 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0
Debian GNU/Linux 7 syzkaller ttyS0
syzkaller login: [ 39.795945] random: sshd: uninitialized urandom read (32 bytes read)
[ 40.016564] audit: type=1400 audit(1580252824.431:35): avc: denied { map } for pid=7425 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
[ 40.097513] random: sshd: uninitialized urandom read (32 bytes read)
[ 40.832892] random: sshd: uninitialized urandom read (32 bytes read)
[ 41.035326] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.0.23' (ECDSA) to the list of known hosts.
[ 46.685333] random: sshd: uninitialized urandom read (32 bytes read)
executing program
[ 46.814646] audit: type=1400 audit(1580252831.231:36): avc: denied { map } for pid=7437 comm="syz-executor221" path="/root/syz-executor221720763" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[ 46.841400] audit: type=1400 audit(1580252831.231:37): avc: denied { create } for pid=7437 comm="syz-executor221" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1
[ 46.841692] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[ 46.866099] audit: type=1400 audit(1580252831.231:38): avc: denied { write } for pid=7437 comm="syz-executor221" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1
[ 46.871076] Modules linked in:
[ 46.871087] CPU: 0 PID: 7437 Comm: syz-executor221 Not tainted 4.14.168-syzkaller #0
[ 46.871090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 46.871094] task: ffff888077240200 task.stack: ffff888074f88000
[ 46.871107] RIP: 0010:nft_bitwise_ops+0x5/0x80
[ 46.871110] RSP: 0018:ffff888074f8f200 EFLAGS: 00010286
[ 46.871117] RAX: ffffffff88b2fe30 RBX: ffff888074f8f290 RCX: 0000000000000000
[ 46.871121] RDX: 1ffffffff1165fcd RSI: ffff888074f8f240 RDI: ffff888074f8f290
[ 46.871125] RBP: ffff888074f8f308 R08: 1ffff1100e9f1e52 R09: ffff888074f8f290
[ 46.871129] R10: ffffed100e9f1e57 R11: ffff888074f8f2bf R12: ffff8880a11f8dc0
[ 46.871132] R13: 0000000000000000 R14: ffff888074f8f2e0 R15: ffff888074f8f240
[ 46.871138] FS: 0000000002652880(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000
[ 46.871142] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 46.871146] CR2: 0000557b767e81b0 CR3: 00000000a0de0000 CR4: 00000000001406f0
[ 46.871153] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 46.871157] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 46.871159] Call Trace:
[ 46.871168] ? nfnetlink_parse_nat_setup+0x215/0x3b0
[ 46.871176] ? nf_nat_alloc_null_binding+0x50/0x50
[ 46.871186] ? rcu_read_lock_sched_held+0x110/0x130
[ 46.871196] ? __lock_is_held+0xb6/0x140
[ 46.871204] ? check_preemption_disabled+0x3c/0x250
[ 46.871213] ? rcu_lockdep_current_cpu_online+0xf2/0x140
[ 46.871219] ? nf_nat_alloc_null_binding+0x50/0x50
[ 46.871234] ctnetlink_parse_nat_setup+0x76/0x4a0
[ 46.871242] ctnetlink_create_conntrack+0x468/0x10c0
[ 46.871249] ? queue_work_on+0xfd/0x1d0
[ 46.871258] ? ctnetlink_del_conntrack+0x5e0/0x5e0
[ 47.061014] ? hash_conntrack_raw+0x2c1/0x430
[ 47.065521] ? nf_ct_get_id+0x170/0x170
[ 47.069575] ctnetlink_new_conntrack+0x4af/0xcc0
[ 47.074340] ? ctnetlink_create_conntrack+0x10c0/0x10c0
[ 47.079714] ? ctnetlink_create_conntrack+0x10c0/0x10c0
[ 47.085164] nfnetlink_rcv_msg+0xa08/0xc00
[ 47.089404] netlink_rcv_skb+0x14f/0x3c0
[ 47.093464] ? nfnetlink_bind+0x240/0x240
[ 47.097602] ? netlink_ack+0x9a0/0x9a0
[ 47.101488] ? ns_capable_common+0x12c/0x160
[ 47.105895] ? __netlink_ns_capable+0xe2/0x130
[ 47.110532] nfnetlink_rcv+0x1ab/0x1650
[ 47.114542] ? netlink_deliver_tap+0x93/0x8f0
[ 47.119034] ? find_held_lock+0x35/0x130
[ 47.123094] ? netlink_deliver_tap+0x93/0x8f0
[ 47.127598] ? nfnl_err_del+0x160/0x160
[ 47.131578] ? lock_downgrade+0x740/0x740
[ 47.135721] ? netlink_deliver_tap+0xba/0x8f0
[ 47.140279] netlink_unicast+0x44d/0x650
[ 47.144392] ? netlink_attachskb+0x6a0/0x6a0
[ 47.148808] ? security_netlink_send+0x81/0xb0
[ 47.153426] netlink_sendmsg+0x7c4/0xc60
[ 47.157485] ? netlink_unicast+0x650/0x650
[ 47.161856] ? security_socket_sendmsg+0x89/0xb0
[ 47.166616] ? netlink_unicast+0x650/0x650
[ 47.170929] sock_sendmsg+0xce/0x110
[ 47.174639] ___sys_sendmsg+0x70a/0x840
[ 47.178623] ? lock_downgrade+0x740/0x740
[ 47.182779] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 47.188921] ? do_raw_spin_unlock+0x174/0x260
[ 47.193431] ? _raw_spin_unlock+0x2d/0x50
[ 47.197610] ? do_huge_pmd_anonymous_page+0x2f9/0x1200
[ 47.202949] ? save_trace+0x290/0x290
[ 47.206747] ? copy_page_range+0x1de0/0x1de0
[ 47.211147] ? __do_page_fault+0x4e9/0xb80
[ 47.215489] ? __fget_light+0x172/0x1f0
[ 47.219476] ? __fdget+0x1b/0x20
[ 47.222837] ? sockfd_lookup_light+0xb4/0x160
[ 47.227413] __sys_sendmsg+0xb9/0x140
[ 47.231226] ? SyS_shutdown+0x170/0x170
[ 47.235191] SyS_sendmsg+0x2d/0x50
[ 47.238728] ? __sys_sendmsg+0x140/0x140
[ 47.242970] do_syscall_64+0x1e8/0x640
[ 47.246845] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 47.251688] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 47.257119] RIP: 0033:0x440239
[ 47.260294] RSP: 002b:00007fff2668a258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 47.267992] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440239
[ 47.275250] RDX: 0000000000000000 RSI: 0000000020000640 RDI: 0000000000000003
[ 47.282515] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[ 47.290236] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401ac0
[ 47.297503] R13: 0000000000401b50 R14: 0000000000000000 R15: 0000000000000000
[ 47.304774] Code: 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 00 00 00 00 00 00 70 f7 4a 85 ff <ff> ff ff 00 00 00 00 00 00 00 00 30 00 00 00 00 00 00 00 c0 fb
[ 47.323987] RIP: nft_bitwise_ops+0x5/0x80 RSP: ffff888074f8f200
[ 47.330939] ---[ end trace 1484e40b05d53a17 ]---
[ 47.335829] Kernel panic - not syncing: Fatal exception
[ 47.342681] Kernel Offset: disabled
[ 47.346352] Rebooting in 86400 seconds..