[ 36.218310] audit: type=1800 audit(1579282732.703:33): pid=7205 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 [ 36.245477] audit: type=1800 audit(1579282732.713:34): pid=7205 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 [ 36.325747] random: sshd: uninitialized urandom read (32 bytes read) [ 36.873403] audit: type=1400 audit(1579282733.363:35): avc: denied { map } for pid=7379 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 [ 36.926275] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 37.602503] random: sshd: uninitialized urandom read (32 bytes read) [ 37.791372] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.34' (ECDSA) to the list of known hosts. [ 43.331345] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 43.452525] audit: type=1400 audit(1579282739.943:36): avc: denied { map } for pid=7391 comm="syz-executor257" path="/root/syz-executor257483014" 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 [ 43.483766] audit: type=1400 audit(1579282739.943:37): avc: denied { create } for pid=7391 comm="syz-executor257" 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 [ 43.484008] kasan: CONFIG_KASAN_INLINE enabled [ 43.511513] audit: type=1400 audit(1579282739.943:38): avc: denied { write } for pid=7391 comm="syz-executor257" 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 [ 43.540096] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 43.540110] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 43.540114] Modules linked in: [ 43.540123] CPU: 1 PID: 7391 Comm: syz-executor257 Not tainted 4.14.165-syzkaller #0 [ 43.540126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.540131] task: ffff8880782344c0 task.stack: ffff8880a9bb0000 [ 43.540143] RIP: 0010:nfnetlink_parse_nat_setup+0x212/0x3b0 [ 43.540149] RSP: 0018:ffff8880a9bb7208 EFLAGS: 00010246 [ 43.594647] RAX: ffffffff854cfd10 RBX: ffff8880a9bb7290 RCX: 0000000000000000 [ 43.601909] RDX: 1ffffffff0a99fa9 RSI: ffff8880a9bb7240 RDI: ffff8880a9bb7290 [ 43.609250] RBP: ffff8880a9bb7308 R08: 1ffff11015376e52 R09: ffff8880a9bb7290 [ 43.616771] R10: ffffed1015376e57 R11: ffff8880a9bb72bf R12: ffff88807c629dc0 [ 43.624172] R13: 0000000000000000 R14: ffff8880a9bb72e0 R15: ffff8880a9bb7240 [ 43.631648] FS: 00000000009d0880(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 [ 43.640667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.646980] CR2: 000055bb38a011b0 CR3: 000000008f81e000 CR4: 00000000001406e0 [ 43.654449] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.661814] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.669361] Call Trace: [ 43.672138] ? nfnl_compat_get+0x950/0x950 [ 43.676369] ? nf_nat_alloc_null_binding+0x50/0x50 [ 43.681332] ? rcu_read_lock_sched_held+0x110/0x130 [ 43.686356] ? __lock_is_held+0xb6/0x140 [ 43.690411] ? check_preemption_disabled+0x3c/0x250 [ 43.695434] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 43.701147] ? nf_nat_alloc_null_binding+0x50/0x50 [ 43.706156] ctnetlink_parse_nat_setup+0x76/0x4a0 [ 43.710995] ctnetlink_create_conntrack+0x468/0x10c0 [ 43.716095] ? queue_work_on+0xfd/0x1d0 [ 43.720073] ? ctnetlink_del_conntrack+0x5e0/0x5e0 [ 43.725117] ? hash_conntrack_raw+0x2c1/0x430 [ 43.729724] ? nf_ct_get_id+0x170/0x170 [ 43.733683] ctnetlink_new_conntrack+0x4af/0xcc0 [ 43.738542] ? ctnetlink_create_conntrack+0x10c0/0x10c0 [ 43.744603] ? ctnetlink_create_conntrack+0x10c0/0x10c0 [ 43.750072] nfnetlink_rcv_msg+0xa08/0xc00 [ 43.754403] netlink_rcv_skb+0x14f/0x3c0 [ 43.758726] ? nfnetlink_bind+0x240/0x240 [ 43.763155] ? netlink_ack+0x9a0/0x9a0 [ 43.767569] ? ns_capable_common+0x12c/0x160 [ 43.772539] ? __netlink_ns_capable+0xe2/0x130 [ 43.781049] nfnetlink_rcv+0x1ab/0x1650 [ 43.785194] ? netlink_deliver_tap+0x93/0x8f0 [ 43.789773] ? find_held_lock+0x35/0x130 [ 43.793822] ? netlink_deliver_tap+0x93/0x8f0 [ 43.803117] ? nfnl_err_del+0x160/0x160 [ 43.807448] ? lock_downgrade+0x740/0x740 [ 43.812479] ? netlink_deliver_tap+0xba/0x8f0 [ 43.817671] netlink_unicast+0x44d/0x650 [ 43.822909] ? netlink_attachskb+0x6a0/0x6a0 [ 43.829800] ? security_netlink_send+0x81/0xb0 [ 43.837918] netlink_sendmsg+0x7c4/0xc60 [ 43.842496] ? netlink_unicast+0x650/0x650 [ 43.847010] ? security_socket_sendmsg+0x89/0xb0 [ 43.852130] ? netlink_unicast+0x650/0x650 [ 43.857665] sock_sendmsg+0xce/0x110 [ 43.861660] ___sys_sendmsg+0x70a/0x840 [ 43.868166] ? lock_downgrade+0x740/0x740 [ 43.872915] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 43.878321] ? do_raw_spin_unlock+0x174/0x260 [ 43.883112] ? _raw_spin_unlock+0x2d/0x50 [ 43.887256] ? do_huge_pmd_anonymous_page+0x2f9/0x1200 [ 43.892573] ? thp_get_unmapped_area+0x1c0/0x1c0 [ 43.897337] ? __handle_mm_fault+0x692/0x33d0 [ 43.902628] ? save_trace+0x290/0x290 [ 43.906427] ? copy_page_range+0x1de0/0x1de0 [ 43.910959] ? __do_page_fault+0x4e9/0xb80 [ 43.915195] ? __fget_light+0x172/0x1f0 [ 43.921331] ? __fdget+0x1b/0x20 [ 43.925581] ? sockfd_lookup_light+0xb4/0x160 [ 43.930088] __sys_sendmsg+0xb9/0x140 [ 43.933876] ? SyS_shutdown+0x170/0x170 [ 43.938060] SyS_sendmsg+0x2d/0x50 [ 43.942113] ? __sys_sendmsg+0x140/0x140 [ 43.946761] do_syscall_64+0x1e8/0x640 [ 43.952350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.957281] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 43.962460] RIP: 0033:0x440479 [ 43.974688] RSP: 002b:00007ffe2b7a6148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 43.982534] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440479 [ 43.989808] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 43.997540] RBP: 00000000006ca018 R08: 0000000000000014 R09: 00000000004002c8 [ 44.006417] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000401d00 [ 44.013866] R13: 0000000000401d90 R14: 0000000000000000 R15: 0000000000000000 [ 44.022132] Code: 8d 78 38 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 98 01 00 00 48 8b 85 10 ff ff ff 4c 89 fe 48 89 df 50 38 85 c0 0f 88 01 01 00 00 e8 be 5f 14 fc 4d 8b 76 c8 4d [ 44.044311] RIP: nfnetlink_parse_nat_setup+0x212/0x3b0 RSP: ffff8880a9bb7208 [ 44.052167] ---[ end trace bd47beb6b9063e0a ]--- [ 44.058098] Kernel panic - not syncing: Fatal exception [ 44.065325] Kernel Offset: disabled [ 44.070001] Rebooting in 86400 seconds..