[....] Starting enhanced syslogd: rsyslogd[ 14.558306] audit: type=1400 audit(1573667978.370:4): avc: denied { syslog } for pid=1926 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.153' (ECDSA) to the list of known hosts. 2019/11/13 17:59:50 fuzzer started 2019/11/13 17:59:52 dialing manager at 10.128.0.26:35689 2019/11/13 17:59:53 syscalls: 1350 2019/11/13 17:59:53 code coverage: enabled 2019/11/13 17:59:53 comparison tracing: CONFIG_KCOV_ENABLE_COMPARISONS is not enabled 2019/11/13 17:59:53 extra coverage: extra coverage is not supported by the kernel 2019/11/13 17:59:53 setuid sandbox: enabled 2019/11/13 17:59:53 namespace sandbox: enabled 2019/11/13 17:59:53 Android sandbox: /sys/fs/selinux/policy does not exist 2019/11/13 17:59:53 fault injection: kernel does not have systematic fault injection support 2019/11/13 17:59:53 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/11/13 17:59:53 net packet injection: enabled 2019/11/13 17:59:53 net device setup: enabled 2019/11/13 17:59:53 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/11/13 17:59:53 devlink PCI setup: PCI device 0000:00:10.0 is not available syzkaller login: [ 49.443616] ------------[ cut here ]------------ [ 49.448405] kernel BUG at mm/vmstat.c:1425! [ 49.452719] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 49.458641] Modules linked in: [ 49.461988] CPU: 0 PID: 27 Comm: kworker/0:1 Not tainted 4.4.174+ #17 [ 49.468572] Workqueue: vmstat vmstat_update [ 49.473022] task: ffff8800001f2f80 task.stack: ffff8801d9ac0000 [ 49.479084] RIP: 0010:[] [] vmstat_update+0x99/0xb0 [ 49.487466] RSP: 0018:ffff8801d9ac7bc0 EFLAGS: 00010287 [ 49.492908] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 49.500171] RDX: 0000000000000000 RSI: ffffffff81b0abec RDI: ffff8800001f3378 [ 49.507445] RBP: ffff8801d9ac7be0 R08: ffffffff82836948 R09: ffff8800001f3890 [ 49.514714] R10: ffffffff83a51e50 R11: 0000000000000000 R12: ffff8801db61b380 [ 49.521983] R13: ffff8801d9ac7c78 R14: ffff88000001bc00 R15: ffff8801db61df00 [ 49.529251] FS: 0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 [ 49.537568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.543449] CR2: 000000c423b87008 CR3: 00000000b8281000 CR4: 00000000001606b0 [ 49.550726] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.558001] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.565263] Stack: [ 49.567408] 0000000000000000 ffff8801db61b380 ffff8801d9ac7c78 ffff88000001bc00 [ 49.575496] ffff8801d9ac7d00 ffffffff81122c25 ffffffff81122b42 ffffffff81159431 [ 49.583584] ffff88000001bc48 ffff8800003f0780 ffff880000000000 ffff88000001bc20 [ 49.591700] Call Trace: [ 49.594311] [] process_one_work+0x825/0x1720 [ 49.600462] [] ? process_one_work+0x742/0x1720 [ 49.606702] [] ? finish_task_switch+0x1e1/0x660 [ 49.613028] [] ? cancel_delayed_work_sync+0x20/0x20 [ 49.619696] [] worker_thread+0x4e4/0xf50 [ 49.625514] [] ? __schedule+0x7e3/0x1ee0 [ 49.631215] [] ? process_one_work+0x1720/0x1720 [ 49.638650] [] kthread+0x273/0x310 [ 49.643827] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 49.650478] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 49.656783] [] ? finish_task_switch+0x1e1/0x660 [ 49.663085] [] ? finish_task_switch+0x1b3/0x660 [ 49.669393] [] ? __schedule+0x7af/0x1ee0 [ 49.675089] [] ? __schedule+0x7a3/0x1ee0 [ 49.680836] [] ? __schedule+0x7af/0x1ee0 [ 49.686535] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 49.693187] [] ret_from_fork+0x55/0x80 [ 49.698710] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 49.705400] Code: 89 f6 e8 4b 95 d1 ff 5b 41 5c 41 5d 41 5e 5d c3 e8 cd e3 6f 00 89 c0 f0 48 0f ab 05 92 f4 c1 02 72 09 5b 41 5c 41 5d 41 5e 5d c3 <0f> 0b e8 c0 84 07 00 eb af 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 [ 49.733205] RIP [] vmstat_update+0x99/0xb0 [ 49.739217] RSP [ 49.742910] ---[ end trace e0da42ece67850b5 ]--- [ 49.747804] Kernel panic - not syncing: Fatal exception [ 49.753877] Kernel Offset: disabled [ 49.757495] Rebooting in 86400 seconds..