[....] Starting enhanced syslogd: rsyslogd[ 14.033358] audit: type=1400 audit(1543443708.035:4): avc: denied { syslog } for pid=1923 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 OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.42' (ECDSA) to the list of known hosts. 2018/11/28 22:22:36 parsed 1 programs 2018/11/28 22:22:38 executed programs: 0 2018/11/28 22:22:44 executed programs: 4 2018/11/28 22:22:49 executed programs: 10 2018/11/28 22:22:55 executed programs: 16 2018/11/28 22:23:00 executed programs: 22 2018/11/28 22:23:06 executed programs: 28 syzkaller login: [ 96.702826] kasan: CONFIG_KASAN_INLINE enabled [ 96.707326] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN [ 96.720180] Modules linked in: [ 96.723469] CPU: 0 PID: 2766 Comm: syz-executor0 Not tainted 4.4.165+ #15 [ 96.730370] task: ffff8801d09d4740 task.stack: ffff8800b3868000 [ 96.736399] RIP: 0010:[] [] remove_waiter+0x4f/0x2e0 [ 96.744832] RSP: 0018:ffff8800b386f8d0 EFLAGS: 00010202 [ 96.750253] RAX: dffffc0000000000 RBX: ffff8800ba045d10 RCX: 0000000000000001 [ 96.757500] RDX: 0000000000000007 RSI: ffff8801d0b47970 RDI: 0000000000000038 [ 96.764750] RBP: ffff8800b386f908 R08: ffff8801d09d5078 R09: ffffffff839ff1c0 [ 96.771997] R10: 000000000001a9c0 R11: ffffffff831a2db8 R12: 00000000ffffffdd [ 96.779246] R13: ffff8801d0b47970 R14: ffff8800ba045d50 R15: 0000000000000000 [ 96.786496] FS: 0000000000000000(0000) GS:ffff8801db600000(0063) knlGS:00000000f77aeb40 [ 96.794867] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 96.800807] CR2: 00000000f77aedb0 CR3: 00000001d1fe6000 CR4: 00000000001606b0 [ 96.808211] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.815461] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.822704] Stack: [ 96.824894] ffff8801d0b47a28 ffff8801d0b47970 ffff8800ba045d10 00000000ffffffdd [ 96.832902] ffff8800ba045d58 ffff8801d0b47970 dffffc0000000000 ffff8800b386f938 [ 96.840945] ffffffff8120abdd ffff8801d0b479f0 ffff8800b38af9f0 ffff8801d0b47a28 [ 96.848986] Call Trace: [ 96.851636] [] rt_mutex_start_proxy_lock+0xbd/0x120 [ 96.858290] [] futex_requeue+0xbb2/0x16b0 [ 96.864067] [] ? free_pi_state+0x360/0x360 [ 96.869929] [] ? futex_wait_restart+0x230/0x230 [ 96.876229] [] do_futex+0x204/0x1a00 [ 96.881569] [] ? trace_hardirqs_on+0x10/0x10 [ 96.887759] [] ? exit_robust_list+0x220/0x220 [ 96.894183] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 96.900917] [] ? kvm_clock_read+0x23/0x40 [ 96.906691] [] ? kvm_clock_get_cycles+0x9/0x10 [ 96.912904] [] ? ktime_get_ts64+0x251/0x310 [ 96.918964] [] ? posix_ktime_get_ts+0x15/0x20 [ 96.925092] [] ? __might_fault+0x92/0x1d0 [ 96.931019] [] compat_SyS_futex+0x1d9/0x2f0 [ 96.936971] [] ? compat_SyS_get_robust_list+0x310/0x310 [ 96.943966] [] ? compat_SyS_clock_gettime+0x14d/0x1d0 [ 96.950783] [] ? compat_SyS_clock_settime+0x1b0/0x1b0 [ 96.957722] [] ? do_fast_syscall_32+0xdb/0xa80 [ 96.963935] [] ? compat_SyS_get_robust_list+0x310/0x310 [ 96.970925] [] do_fast_syscall_32+0x31e/0xa80 [ 96.977055] [] sysenter_flags_fixed+0xd/0x1a [ 96.983087] Code: 53 48 89 fb 48 83 ec 10 80 3c 02 00 0f 85 2d 02 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 7b 40 49 8d 7f 38 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 17 02 00 00 49 3b 5f 38 0f 85 f0 01 00 00 48 [ 97.010910] RIP [] remove_waiter+0x4f/0x2e0 [ 97.016998] RSP [ 97.020681] ---[ end trace c1e16e44e241aaf7 ]--- [ 97.025425] Kernel panic - not syncing: Fatal exception [ 97.031025] Kernel Offset: disabled [ 97.034635] Rebooting in 86400 seconds..