[ 10.337219] audit: type=1400 audit(1513977962.378:5): avc: denied { syslog } for pid=2981 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [....] Starting enhanced syslogd: rsyslogd[?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 syzkaller login: [ 12.716283] audit: type=1400 audit(1513977964.757:6): avc: denied { map } for pid=3129 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 'ci-upstream-kasan-gce-0,10.128.15.234' (ECDSA) to the list of known hosts. [ 56.412396] audit: type=1400 audit(1513978008.453:7): avc: denied { map } for pid=3148 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 2017/12/22 21:26:48 parsed 1 programs 2017/12/22 21:26:48 executed programs: 0 [ 56.519365] audit: type=1400 audit(1513978008.560:8): avc: denied { map } for pid=3148 comm="syz-execprog" path="/root/syzkaller-shm458126580" 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 [ 56.596213] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 56.605408] sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 [ 56.619696] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 56.633914] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 56.643059] sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 [ 56.677830] kasan: CONFIG_KASAN_INLINE enabled [ 56.682484] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 56.689837] general protection fault: 0000 [#1] SMP KASAN [ 56.695341] Dumping ftrace buffer: [ 56.698850] (ftrace buffer empty) [ 56.702527] Modules linked in: [ 56.705688] CPU: 0 PID: 3125 Comm: udevd Not tainted 4.15.0-rc4+ #234 [ 56.712229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.721570] RIP: 0010:native_write_cr4+0x4/0x10 [ 56.726202] RSP: 0018:ffff8801db407ca8 EFLAGS: 00010006 [ 56.731530] RAX: ffff8801cc532600 RBX: 00000000001606f0 RCX: ffffffff811a2e02 [ 56.738777] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606f0 [ 56.746016] RBP: ffff8801db407ca8 R08: 1ffff10039694e5b R09: 0000000000000002 [ 56.753265] R10: ffff8801cb4a7798 R11: 0000000000000000 R12: 0000000000000006 [ 56.760505] R13: ffff8801cc532600 R14: ffff8801db415850 R15: ffff8801db415850 [ 56.767752] FS: 00007f45434967a0(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 [ 56.775945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.781803] CR2: 00007f454349d000 CR3: 00000001c9ebc002 CR4: 00000000001626f0 [ 56.789047] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.796283] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.803530] Call Trace: [ 56.806087] [ 56.808209] hardware_disable+0x34a/0x4b0 [ 56.812328] ? irq_work_sync+0x1a0/0x1a0 [ 56.816363] ? lock_downgrade+0x980/0x980 [ 56.820478] ? kvm_io_bus_get_dev+0x2a0/0x2a0 [ 56.824942] kvm_arch_hardware_disable+0x35/0xd0 [ 56.829663] hardware_disable_nolock+0x30/0x40 [ 56.834210] flush_smp_call_function_queue+0x1f4/0x570 [ 56.839460] ? cpumask_weight+0x40/0x40 [ 56.843401] ? tick_program_event+0x83/0x100 [ 56.847786] ? __lock_is_held+0xb6/0x140 [ 56.851818] generic_smp_call_function_single_interrupt+0x13/0x30 [ 56.858015] smp_call_function_single_interrupt+0x103/0x640 [ 56.863691] ? smp_call_function_interrupt+0x640/0x640 [ 56.868932] ? _raw_spin_lock+0x32/0x40 [ 56.872874] ? task_prio+0x40/0x40 [ 56.876382] ? rcu_eqs_enter_common.constprop.69+0x21a/0x300 [ 56.882147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.886957] call_function_single_interrupt+0xa9/0xb0 [ 56.892109] [ 56.894310] RIP: 0010:lock_acquire+0x256/0x580 [ 56.898854] RSP: 0018:ffff8801cb4a77b8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff04 [ 56.906527] RAX: dffffc0000000000 RBX: ffff8801cc532600 RCX: 0000000000000000 [ 56.913777] RDX: 1ffffffff0bd9045 RSI: 000000005c5f5c20 RDI: 0000000000000282 [ 56.921011] RBP: ffff8801cb4a78b0 R08: 1ffff10039694e5b R09: 0000000000000002 [ 56.928245] R10: ffff8801cb4a7798 R11: 0000000000000000 R12: 1ffff10039694efd [ 56.935482] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 [ 56.942733] ? lock_release+0xa40/0xa40 [ 56.946674] ? modules_open+0xa0/0xa0 [ 56.950442] ? is_bpf_text_address+0x7b/0x120 [ 56.954913] __is_insn_slot_addr+0xb4/0x330 [ 56.959198] ? __free_insn_slot+0x5c0/0x5c0 [ 56.963495] ? __free_insn_slot+0x5c0/0x5c0 [ 56.967782] ? unwind_dump+0x4d0/0x4d0 [ 56.971638] ? rcutorture_record_progress+0x10/0x10 [ 56.976626] ? __module_text_address+0x13/0x150 [ 56.981261] kernel_text_address+0x11b/0x140 [ 56.985634] __kernel_text_address+0xd/0x40 [ 56.989920] unwind_get_return_address+0x61/0xa0 [ 56.994645] __save_stack_trace+0x7e/0xd0 [ 56.998763] save_stack_trace+0x1a/0x20 [ 57.002702] save_stack+0x43/0xd0 [ 57.006126] ? save_stack+0x43/0xd0 [ 57.009724] ? kasan_kmalloc+0xad/0xe0 [ 57.013576] ? kasan_slab_alloc+0x12/0x20 [ 57.017689] ? kmem_cache_alloc+0x12e/0x760 [ 57.021975] ? getname_flags+0xcb/0x580 [ 57.025913] ? user_path_at_empty+0x2d/0x50 [ 57.030199] ? SyS_readlink+0x12d/0x3a0 [ 57.034137] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 57.039034] ? find_held_lock+0x35/0x1d0 [ 57.043064] ? cache_grow_end.part.35+0x84/0x180 [ 57.047782] ? retint_kernel+0x10/0x10 [ 57.051642] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 57.056630] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 57.061352] ? retint_kernel+0x10/0x10 [ 57.065206] ? kasan_unpoison_shadow+0x35/0x50 [ 57.069762] kasan_kmalloc+0xad/0xe0 [ 57.073443] kasan_slab_alloc+0x12/0x20 [ 57.077385] kmem_cache_alloc+0x12e/0x760 [ 57.081507] getname_flags+0xcb/0x580 [ 57.085276] user_path_at_empty+0x2d/0x50 [ 57.089392] SyS_readlink+0x12d/0x3a0 [ 57.093156] ? SYSC_newstat+0xf0/0xf0 [ 57.096925] ? SyS_readlinkat+0x3b0/0x3b0 [ 57.101038] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 57.105846] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 57.110827] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 57.115550] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 57.120276] RIP: 0033:0x7f4542b9f577 [ 57.124037] RSP: 002b:00007ffcd4e70028 EFLAGS: 00000246 ORIG_RAX: 0000000000000059 [ 57.131707] RAX: ffffffffffffffda RBX: 00007ffcd4e70780 RCX: 00007f4542b9f577 [ 57.138943] RDX: 0000000000000400 RSI: 00007ffcd4e70570 RDI: 00007ffcd4e70a10 [ 57.146180] RBP: 00007ffcd4e70770 R08: 00000000025405c5 R09: 00007f4542bf3ff0 [ 57.153419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 57.160654] R13: 00007ffcd4e708f0 R14: 000000000041c50b R15: ffffffffffffff00 [ 57.167898] Code: 0f 1f 80 00 00 00 00 55 48 89 e5 0f 20 d8 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 0f 22 df 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 <0f> 22 e7 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 44 0f 20 c0 5d [ 57.186968] RIP: native_write_cr4+0x4/0x10 RSP: ffff8801db407ca8 [ 57.193081] ---[ end trace 7d5464cf0e446135 ]--- [ 57.197800] Kernel panic - not syncing: Fatal exception in interrupt [ 57.204288] Dumping ftrace buffer: [ 57.207792] (ftrace buffer empty) [ 57.211477] Kernel Offset: disabled [ 57.215068] Rebooting in 86400 seconds..