[....] Starting enhanced syslogd: rsyslogd[ 15.417375] audit: type=1400 audit(1519758760.644:5): avc: denied { syslog } for pid=3964 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 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 syzkaller login: [ 18.873113] audit: type=1400 audit(1519758764.099:6): avc: denied { map } for pid=4104 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 Warning: Permanently added '10.128.0.8' (ECDSA) to the list of known hosts. [ 25.189896] audit: type=1400 audit(1519758770.416:7): avc: denied { map } for pid=4118 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2018/02/27 19:12:50 parsed 1 programs 2018/02/27 19:12:50 executed programs: 0 [ 25.438635] audit: type=1400 audit(1519758770.665:8): avc: denied { map } for pid=4118 comm="syz-execprog" path="/root/syzkaller-shm353657801" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 25.454243] IPVS: ftp: loaded support on port[0] = 21 [ 25.501640] kasan: CONFIG_KASAN_INLINE enabled [ 25.506278] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 25.513645] general protection fault: 0000 [#1] SMP KASAN [ 25.519160] Dumping ftrace buffer: [ 25.522681] (ftrace buffer empty) [ 25.526361] Modules linked in: [ 25.529527] CPU: 1 PID: 4127 Comm: syz-executor0 Not tainted 4.16.0-rc3+ #241 [ 25.536765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.546096] RIP: 0010:hrtimer_active+0x1da/0x3c0 [ 25.550826] RSP: 0018:ffff8801c54173e0 EFLAGS: 00010202 [ 25.556160] RAX: 0000000000000008 RBX: 1ffff10038a82ea9 RCX: ffffffff81610225 [ 25.563401] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000010 [ 25.570646] RBP: ffff8801c5417520 R08: 0000000000002c02 R09: 0000000000000000 [ 25.577888] R10: 0000000000000011 R11: ffffed0038c1a078 R12: 0000000000000010 [ 25.585130] R13: 0000000000000000 R14: ffffed0038a82e87 R15: dffffc0000000000 [ 25.592371] FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:000000000a0b8900 [ 25.600566] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 25.606417] CR2: 00000000f7fd5000 CR3: 00000001c6d1d006 CR4: 00000000001626e0 [ 25.613659] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.620898] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.628138] Call Trace: [ 25.630705] ? hrtimer_forward+0x2d0/0x2d0 [ 25.634929] ? vmx_update_msr_bitmap+0x13a/0x430 [ 25.639657] ? setup_msrs+0x926/0x1d80 [ 25.643514] ? vmx_set_cr4+0x353/0x610 [ 25.647377] hrtimer_try_to_cancel+0x91/0x5b0 [ 25.651843] ? update_exception_bitmap+0x19a/0x200 [ 25.656745] ? __hrtimer_get_remaining+0x1c0/0x1c0 [ 25.661643] ? vmx_vcpu_reset+0x55f/0xc70 [ 25.665763] ? load_vmcs12_host_state+0x1fa0/0x1fa0 [ 25.670751] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 25.675567] ? unwind_get_return_address+0x61/0xa0 [ 25.680475] hrtimer_cancel+0x22/0x40 [ 25.684249] kvm_lapic_reset+0x93/0xf40 [ 25.688194] ? kvm_lapic_set_base+0x750/0x750 [ 25.692662] ? kvm_arch_vcpu_free+0x80/0x80 [ 25.696958] kvm_arch_vcpu_setup+0x31/0x50 [ 25.701164] kvm_vm_ioctl+0x52d/0x1cf0 [ 25.705030] ? kvm_set_memory_region+0x50/0x50 [ 25.709587] ? __fd_install+0x288/0x740 [ 25.713532] ? get_unused_fd_flags+0x190/0x190 [ 25.718090] ? kfree+0xf3/0x260 [ 25.721345] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.726337] ? do_futex+0x86f/0x22a0 [ 25.730024] ? kfree+0xf3/0x260 [ 25.733276] ? kvm_uevent_notify_change.part.39+0x39c/0x430 [ 25.738961] ? trace_hardirqs_on+0xd/0x10 [ 25.743085] ? exit_robust_list+0x240/0x240 [ 25.747378] ? fd_install+0x4d/0x60 [ 25.750974] ? kvm_dev_ioctl+0x17b/0x18b0 [ 25.755094] ? install_new_memslots+0x420/0x420 [ 25.759739] ? _raw_spin_unlock+0x22/0x30 [ 25.763871] ? __pmd_alloc+0x4e0/0x4e0 [ 25.767728] ? trace_hardirqs_off+0x10/0x10 [ 25.772026] ? debug_check_no_obj_freed+0x3da/0xf1f [ 25.777032] ? check_same_owner+0x320/0x320 [ 25.781331] ? handle_mm_fault+0x35b/0xb10 [ 25.785544] ? rcu_note_context_switch+0x710/0x710 [ 25.790448] ? __might_sleep+0x95/0x190 [ 25.794394] ? _cond_resched+0x14/0x30 [ 25.798431] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 25.803336] ? selinux_file_ioctl+0x444/0x690 [ 25.807802] ? __fget_light+0x2b2/0x3c0 [ 25.811760] kvm_vm_compat_ioctl+0x2ed/0x3f0 [ 25.816141] ? kvm_vm_ioctl+0x1cf0/0x1cf0 [ 25.820261] ? compat_SyS_futex+0x288/0x380 [ 25.824556] ? security_file_ioctl+0x7d/0xb0 [ 25.828937] ? security_file_ioctl+0x89/0xb0 [ 25.833317] compat_SyS_ioctl+0x151/0x2a30 [ 25.837523] ? do_fast_syscall_32+0x156/0xf9f [ 25.841988] ? kvm_vm_ioctl+0x1cf0/0x1cf0 [ 25.846107] ? do_ioctl+0x60/0x60 [ 25.849530] do_fast_syscall_32+0x3ec/0xf9f [ 25.853827] ? do_int80_syscall_32+0x9c0/0x9c0 [ 25.858379] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.863111] ? syscall_return_slowpath+0x2ac/0x550 [ 25.868018] ? prepare_exit_to_usermode+0x350/0x350 [ 25.873017] ? sysret32_from_system_call+0x5/0x3c [ 25.877836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.882651] entry_SYSENTER_compat+0x70/0x7f [ 25.887031] RIP: 0023:0xf7fd9c99 [ 25.890367] RSP: 002b:00000000ffa1cf9c EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 25.898043] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000000ae41 [ 25.905282] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 25.912520] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 25.919768] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 25.927026] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 25.934276] Code: ff ff 48 8d 85 18 ff ff ff 48 c1 e8 03 4e 8d 34 38 e8 1b f2 0f 00 48 8b 85 f0 fe ff ff c6 00 00 48 8b 85 d8 fe ff ff 48 c1 e8 03 <42> 80 3c 38 00 0f 85 c2 01 00 00 48 8b 85 e8 fe ff ff 48 8b 58 [ 25.953348] RIP: hrtimer_active+0x1da/0x3c0 RSP: ffff8801c54173e0 [ 25.959601] ---[ end trace ef5b5d98d191a60b ]--- [ 25.964359] Kernel panic - not syncing: Fatal exception [ 25.970086] Dumping ftrace buffer: [ 25.973600] (ftrace buffer empty) [ 25.977281] Kernel Offset: disabled [ 25.980880] Rebooting in 86400 seconds..