[....] Starting enhanced syslogd: rsyslogd[ 15.024007] audit: type=1400 audit(1574474173.379:4): avc: denied { syslog } for pid=1927 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 periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] 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 '10.128.0.197' (ECDSA) to the list of known hosts. 2019/11/23 01:56:22 fuzzer started 2019/11/23 01:56:25 dialing manager at 10.128.0.26:42689 2019/11/23 01:56:25 syscalls: 1354 2019/11/23 01:56:25 code coverage: enabled 2019/11/23 01:56:25 comparison tracing: CONFIG_KCOV_ENABLE_COMPARISONS is not enabled 2019/11/23 01:56:25 extra coverage: extra coverage is not supported by the kernel 2019/11/23 01:56:25 setuid sandbox: enabled 2019/11/23 01:56:25 namespace sandbox: enabled 2019/11/23 01:56:25 Android sandbox: /sys/fs/selinux/policy does not exist 2019/11/23 01:56:25 fault injection: kernel does not have systematic fault injection support 2019/11/23 01:56:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/11/23 01:56:25 net packet injection: enabled 2019/11/23 01:56:25 net device setup: enabled 2019/11/23 01:56:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/11/23 01:56:25 devlink PCI setup: PCI device 0000:00:10.0 is not available syzkaller login: [ 55.694961] ------------[ cut here ]------------ [ 55.699770] kernel BUG at mm/vmstat.c:1425! [ 55.704088] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 55.709982] Modules linked in: [ 55.713296] CPU: 1 PID: 104 Comm: kworker/1:1 Not tainted 4.4.174+ #4 [ 55.719885] Workqueue: vmstat vmstat_update [ 55.724343] task: ffff8801d8b82f80 task.stack: ffff8800ba5c0000 [ 55.730401] RIP: 0010:[] [] vmstat_update+0x99/0xb0 [ 55.738801] RSP: 0018:ffff8800ba5c7bc0 EFLAGS: 00010287 [ 55.744262] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.751540] RDX: 0000000000000000 RSI: ffffffff81b0abec RDI: ffff8801d8b83378 [ 55.759388] RBP: ffff8800ba5c7be0 R08: ffffffff82836950 R09: ffff8801d8b83890 [ 55.766662] R10: ffffffff83a5f540 R11: 0000000000000000 R12: ffff8801db71b380 [ 55.773931] R13: ffff8800ba5c7c78 R14: ffff8800ba4f7800 R15: ffff8801db71df00 [ 55.781202] FS: 0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 [ 55.789428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.795312] CR2: 000000c422f2a008 CR3: 00000000b9d06000 CR4: 00000000001606b0 [ 55.802595] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.809870] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.817382] Stack: [ 55.819540] 0000000000000000 ffff8801db71b380 ffff8800ba5c7c78 ffff8800ba4f7800 [ 55.827637] ffff8800ba5c7d00 ffffffff81122c25 ffffffff81122b42 ffffffff81159431 [ 55.835699] ffff8800ba4f7848 ffff8801d9ac8500 ffff880000000000 ffff8800ba4f7820 [ 55.843781] Call Trace: [ 55.846378] [] process_one_work+0x825/0x1720 [ 55.852453] [] ? process_one_work+0x742/0x1720 [ 55.858700] [] ? finish_task_switch+0x1e1/0x660 [ 55.865039] [] ? cancel_delayed_work_sync+0x20/0x20 [ 55.871748] [] worker_thread+0x4e4/0xf50 [ 55.877606] [] ? __schedule+0x7e3/0x1ee0 [ 55.883392] [] ? process_one_work+0x1720/0x1720 [ 55.889743] [] kthread+0x273/0x310 [ 55.895079] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 55.901755] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 55.908090] [] ? finish_task_switch+0x1e1/0x660 [ 55.914434] [] ? finish_task_switch+0x1b3/0x660 [ 55.920816] [] ? __schedule+0x7af/0x1ee0 [ 55.926543] [] ? __schedule+0x7a3/0x1ee0 [ 55.932312] [] ? __schedule+0x7af/0x1ee0 [ 55.938230] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 55.944920] [] ret_from_fork+0x55/0x80 [ 55.950478] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 55.957249] 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 [ 55.985232] RIP [] vmstat_update+0x99/0xb0 [ 55.991259] RSP [ 55.994974] ---[ end trace d86b192ba3d343b2 ]--- [ 55.999748] Kernel panic - not syncing: Fatal exception [ 56.005964] Kernel Offset: disabled [ 56.009647] Rebooting in 86400 seconds..