[ 36.168148] audit: type=1800 audit(1585796446.161:33): pid=7158 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 [ 36.195132] audit: type=1800 audit(1585796446.161:34): pid=7158 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 [ 36.516024] random: sshd: uninitialized urandom read (32 bytes read) [ 36.788047] audit: type=1400 audit(1585796446.781:35): avc: denied { map } for pid=7331 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 [ 36.838999] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 37.612978] random: sshd: uninitialized urandom read (32 bytes read) [ 43.558667] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.88' (ECDSA) to the list of known hosts. [ 48.958597] random: sshd: uninitialized urandom read (32 bytes read) executing program executing program executing program [ 49.072191] audit: type=1400 audit(1585796459.071:36): avc: denied { map } for pid=7343 comm="syz-executor015" path="/root/syz-executor015481933" 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 [ 49.170303] ------------[ cut here ]------------ [ 49.175165] WARNING: CPU: 0 PID: 0 at net/ipv4/af_inet.c:153 inet_sock_destruct+0x575/0x730 [ 49.183663] Kernel panic - not syncing: panic_on_warn set ... [ 49.183663] [ 49.191021] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.14.174-syzkaller #0 [ 49.198113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.207465] Call Trace: [ 49.210044] [ 49.212301] dump_stack+0x13e/0x194 [ 49.215993] panic+0x1f9/0x42d [ 49.219295] ? add_taint.cold+0x16/0x16 [ 49.223258] ? inet_sock_destruct+0x575/0x730 [ 49.227740] ? inet_sock_destruct+0x575/0x730 [ 49.232223] __warn.cold+0x2f/0x30 [ 49.235749] ? ist_end_non_atomic+0x10/0x10 [ 49.240096] ? inet_sock_destruct+0x575/0x730 [ 49.244585] report_bug+0x20a/0x248 [ 49.248227] do_error_trap+0x195/0x2d0 [ 49.252098] ? math_error+0x2d0/0x2d0 [ 49.255894] ? trace_hardirqs_on+0x10/0x10 [ 49.260126] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.264981] invalid_op+0x1b/0x40 [ 49.268436] RIP: 0010:inet_sock_destruct+0x575/0x730 [ 49.273520] RSP: 0018:ffff8880aea07d80 EFLAGS: 00010206 [ 49.279038] RAX: ffffffff87c76240 RBX: ffffffff8877e1a0 RCX: 0000000000000001 [ 49.286290] RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff888090388abc [ 49.293542] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 49.300810] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888090388880 [ 49.308063] R13: ffff8880903889b8 R14: ffff888092694b58 R15: ffff88809af546c0 [ 49.316066] ? udp_skb_dtor_locked+0x70/0x70 [ 49.320460] l2tp_tunnel_destruct+0x3d7/0x660 [ 49.324936] ? rcu_process_callbacks+0x866/0x1190 [ 49.329757] ? l2tp_tunnel_closeall+0x370/0x370 [ 49.334430] ? sock_no_sendmsg_locked+0x10/0x10 [ 49.339100] __sk_destruct+0x49/0x640 [ 49.344367] ? sock_no_sendmsg_locked+0x10/0x10 [ 49.349066] rcu_process_callbacks+0x792/0x1190 [ 49.353742] ? call_rcu_sched+0x10/0x10 [ 49.357702] __do_softirq+0x254/0x9bf [ 49.361631] ? check_preemption_disabled+0x35/0x240 [ 49.366681] irq_exit+0x15b/0x1a0 [ 49.370132] smp_apic_timer_interrupt+0x141/0x5e0 [ 49.374969] apic_timer_interrupt+0x8f/0xa0 [ 49.379273] [ 49.381489] RIP: 0010:native_safe_halt+0xe/0x10 [ 49.386139] RSP: 0018:ffffffff87c07e78 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 [ 49.393839] RAX: 1ffffffff0fa2cd4 RBX: dffffc0000000000 RCX: 0000000000000000 [ 49.401092] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff87c76abc [ 49.408341] RBP: ffffffff87d16690 R08: 1ffffffff1124101 R09: 0000000000000000 [ 49.415608] R10: 0000000000000000 R11: 0000000000000000 R12: fffffbfff0f8ec48 [ 49.422869] R13: ffffffff87c76240 R14: 0000000000000000 R15: 0000000000000000 [ 49.430149] default_idle+0x47/0x370 [ 49.433865] do_idle+0x250/0x3c0 [ 49.437406] ? trace_event_define_fields_x86_irq_vector+0x28/0x28 [ 49.443640] cpu_startup_entry+0x14/0x20 [ 49.447687] start_kernel+0x659/0x676 [ 49.451488] ? mem_encrypt_init+0x5/0x5 [ 49.455448] ? load_ucode_bsp+0x1ae/0x1e4 [ 49.459581] secondary_startup_64+0xa5/0xb0 [ 49.465401] Kernel Offset: disabled [ 49.469068] Rebooting in 86400 seconds..