[ 34.622769][ T26] audit: type=1800 audit(1550996388.279:27): pid=7450 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 34.659845][ T26] audit: type=1800 audit(1550996388.279:28): pid=7450 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 35.380731][ T26] audit: type=1800 audit(1550996389.079:29): pid=7450 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 35.413433][ T26] audit: type=1800 audit(1550996389.079:30): pid=7450 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.68' (ECDSA) to the list of known hosts. syzkaller login: [ 43.514757][ T7610] IPVS: ftp: loaded support on port[0] = 21 [ 43.517496][ T7611] IPVS: ftp: loaded support on port[0] = 21 [ 43.530011][ T7614] IPVS: ftp: loaded support on port[0] = 21 [ 43.535151][ T7609] IPVS: ftp: loaded support on port[0] = 21 [ 43.539552][ T7612] IPVS: ftp: loaded support on port[0] = 21 [ 43.543672][ T7613] IPVS: ftp: loaded support on port[0] = 21 [ 43.692922][ T7617] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/l1tf.html for details. [ 55.342863][ T9162] ------------[ cut here ]------------ [ 55.348445][ T9162] kernel BUG at arch/x86/kvm/x86.c:357! [ 55.354000][ C1] ------------[ cut here ]------------ [ 55.359448][ C1] kernel BUG at arch/x86/kvm/x86.c:357! [ 55.364984][ C1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 55.371039][ C1] CPU: 1 PID: 9162 Comm: syz-executor774 Not tainted 5.0.0-rc7-next-20190222 #41 [ 55.380125][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.390177][ C1] RIP: 0010:kvm_spurious_fault+0x9/0x10 [ 55.395709][ C1] Code: e8 4c 40 66 00 41 bd 03 00 00 00 5b 44 89 e8 41 5c 41 5d 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 27 40 66 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54 [ 55.416257][ C1] RSP: 0018:ffff8880ae907e80 EFLAGS: 00010006 [ 55.422314][ C1] RAX: ffff8880974cc2c0 RBX: ffff8880986f3808 RCX: ffffffff81329bea [ 55.430292][ C1] RDX: 0000000000010000 RSI: ffffffff810a1569 RDI: 0000000000000007 [ 55.438252][ C1] RBP: ffff8880ae907e80 R08: ffff8880974cc2c0 R09: ffffed1015d25be9 [ 55.446210][ C1] R10: ffffed1015d25be8 R11: ffff8880ae92df47 R12: 1ffff11015d20fd3 [ 55.454169][ C1] R13: ffff88809842f000 R14: ffff8880ae907ef8 R15: 0000000000000001 [ 55.462130][ C1] FS: 00007f780f9f0700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 55.471045][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.477615][ C1] CR2: ffff8880ae907eb8 CR3: 00000000942b3000 CR4: 00000000001426e0 [ 55.485576][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.493537][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.501487][ C1] Call Trace: [ 55.504762][ C1] [ 55.507609][ C1] loaded_vmcs_init+0x95/0x250 [ 55.512360][ C1] ? find_msr_entry+0x170/0x170 [ 55.517204][ C1] __loaded_vmcs_clear+0x229/0x360 [ 55.522306][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.528543][ C1] flush_smp_call_function_queue+0x14a/0x500 [ 55.534509][ C1] ? loaded_vmcs_init+0x250/0x250 [ 55.539542][ C1] generic_smp_call_function_single_interrupt+0x13/0x2b [ 55.546466][ C1] smp_call_function_single_interrupt+0xa3/0x460 [ 55.552780][ C1] call_function_single_interrupt+0xf/0x20 [ 55.558565][ C1] [ 55.561508][ C1] RIP: 0010:do_error_trap+0x17e/0x200 [ 55.566873][ C1] Code: c0 c0 88 92 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 72 48 83 3d 6b 25 6c 07 00 74 3d fb 66 0f 1f 44 00 00 39 ff ff ff e8 88 34 38 00 84 c0 0f 85 aa fe ff ff 48 c7 c2 80 [ 55.586459][ C1] RSP: 0018:ffff8880a97d74d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff04 [ 55.594856][ C1] RAX: 1ffffffff1125118 RBX: 0000000000000006 RCX: 1ffff11012e9996c [ 55.602817][ C1] RDX: dffffc0000000000 RSI: ffff8880974ccb68 RDI: ffff8880974ccb3c [ 55.610775][ C1] RBP: ffff8880a97d7510 R08: ffff8880974cc2c0 R09: ffff8880974ccb60 [ 55.618736][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004 [ 55.626692][ C1] R13: ffffffff8764f1c0 R14: 0000000000000000 R15: ffff8880a97d7548 [ 55.634667][ C1] ? do_error_trap+0x152/0x200 [ 55.639416][ C1] do_invalid_op+0x37/0x50 [ 55.643821][ C1] ? kvm_spurious_fault+0x9/0x10 [ 55.648747][ C1] invalid_op+0x14/0x20 [ 55.652891][ C1] RIP: 0010:kvm_spurious_fault+0x9/0x10 [ 55.658427][ C1] Code: e8 4c 40 66 00 41 bd 03 00 00 00 5b 44 89 e8 41 5c 41 5d 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 27 40 66 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54 [ 55.678014][ C1] RSP: 0018:ffff8880a97d75f8 EFLAGS: 00010293 [ 55.684067][ C1] RAX: ffff8880974cc2c0 RBX: 1ffff110152faec6 RCX: ffffffff811ac5b9 [ 55.692027][ C1] RDX: 0000000000000000 RSI: ffffffff810a1569 RDI: 0000000000000005 [ 55.699982][ C1] RBP: ffff8880a97d75f8 R08: ffff8880974cc2c0 R09: ffffed10148d64da [ 55.707940][ C1] R10: ffffed10148d64d9 R11: ffff8880a46b26cf R12: ffff8880a97d7728 [ 55.715901][ C1] R13: ffff888099978000 R14: ffff8880a97d7690 R15: 0000000000000175 [ 55.723866][ C1] ? vmx_set_msr+0xd9/0x21f0 [ 55.728444][ C1] ? kvm_spurious_fault+0x9/0x10 [ 55.733841][ C1] ? kvm_spurious_fault+0x9/0x10 [ 55.738767][ C1] vmx_set_msr+0x16f4/0x21f0 [ 55.743372][ C1] ? pt_update_intercept_for_msr+0x690/0x690 [ 55.749365][ C1] kvm_set_msr+0x190/0x380 [ 55.753870][ C1] do_set_msr+0xa6/0xf0 [ 55.758014][ C1] ? do_get_msr+0x150/0x150 [ 55.762547][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 55.768786][ C1] msr_io+0x1b0/0x2e0 [ 55.772788][ C1] ? do_get_msr+0x150/0x150 [ 55.777279][ C1] ? emulator_set_hflags+0xa0/0xa0 [ 55.782385][ C1] ? lock_acquire+0x16f/0x3f0 [ 55.787052][ C1] ? kvm_arch_vcpu_ioctl+0x128c/0x3040 [ 55.792506][ C1] kvm_arch_vcpu_ioctl+0x12db/0x3040 [ 55.797792][ C1] ? kvm_arch_vcpu_ioctl+0x128c/0x3040 [ 55.803234][ C1] ? mark_held_locks+0xf0/0xf0 [ 55.807989][ C1] ? kvm_arch_vcpu_put+0x460/0x460 [ 55.813092][ C1] ? __lock_acquire+0x55d/0x4710 [ 55.818018][ C1] ? lock_acquire+0x16f/0x3f0 [ 55.822684][ C1] ? kvm_vcpu_ioctl+0x181/0xfa0 [ 55.827552][ C1] ? __mutex_lock+0x3cd/0x1310 [ 55.832331][ C1] ? __lock_acquire+0x55d/0x4710 [ 55.837255][ C1] ? kvm_vcpu_ioctl+0x181/0xfa0 [ 55.842095][ C1] ? debug_object_activate+0x1fd/0x470 [ 55.847560][ C1] ? mutex_trylock+0x1e0/0x1e0 [ 55.852321][ C1] ? mark_held_locks+0xf0/0xf0 [ 55.857073][ C1] ? __lock_acquire+0x55d/0x4710 [ 55.862004][ C1] kvm_vcpu_ioctl+0x8f6/0xfa0 [ 55.866674][ C1] ? kvm_vcpu_block+0xce0/0xce0 [ 55.871515][ C1] ? mark_held_locks+0xf0/0xf0 [ 55.876310][ C1] ? __lock_acquire+0x55d/0x4710 [ 55.881263][ C1] ? lockdep_hardirqs_on+0x418/0x5d0 [ 55.886577][ C1] ? trace_hardirqs_on+0x67/0x230 [ 55.891621][ C1] ? kasan_check_read+0x11/0x20 [ 55.896455][ C1] ? __fget+0x35a/0x550 [ 55.900596][ C1] ? find_held_lock+0x35/0x130 [ 55.905345][ C1] ? __fget+0x35a/0x550 [ 55.909490][ C1] ? kvm_vcpu_block+0xce0/0xce0 [ 55.914335][ C1] do_vfs_ioctl+0xd6e/0x1390 [ 55.918913][ C1] ? kasan_check_read+0x11/0x20 [ 55.923752][ C1] ? ioctl_preallocate+0x210/0x210 [ 55.928891][ C1] ? __fget+0x381/0x550 [ 55.933037][ C1] ? ksys_dup3+0x3e0/0x3e0 [ 55.937440][ C1] ? _raw_spin_unlock_irq+0x28/0x90 [ 55.942627][ C1] ? blkcg_maybe_throttle_current+0x5e2/0xfc0 [ 55.948682][ C1] ? trace_hardirqs_on+0x67/0x230 [ 55.953699][ C1] ? security_file_ioctl+0x93/0xc0 [ 55.958842][ C1] ksys_ioctl+0xab/0xd0 [ 55.962987][ C1] __x64_sys_ioctl+0x73/0xb0 [ 55.967568][ C1] do_syscall_64+0x103/0x610 [ 55.972147][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.978035][ C1] RIP: 0033:0x449697 [ 55.981941][ C1] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 dd ff fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.001566][ C1] RSP: 002b:00007f780f9ee128 EFLAGS: 00000206 ORIG_RAX: 0000000000000010 [ 56.009964][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000449697 [ 56.018075][ C1] RDX: 00007f780f9ee130 RSI: 000000004008ae89 RDI: 0000000000000005 [ 56.026032][ C1] RBP: 0000000000000000 R08: 0000000000000090 R09: 0000000000000005 [ 56.034006][ C1] R10: 00000000000000b3 R11: 0000000000000206 R12: 000000000000000a [ 56.041963][ C1] R13: 00007ffc94e48fef R14: 00007f780f9f09c0 R15: 20c49ba5e353f7cf [ 56.049924][ C1] Modules linked in: [ 56.053818][ C1] ---[ end trace 10dc523a20632945 ]--- [ 56.059267][ C1] RIP: 0010:kvm_spurious_fault+0x9/0x10 [ 56.064805][ C1] Code: e8 4c 40 66 00 41 bd 03 00 00 00 5b 44 89 e8 41 5c 41 5d 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 27 40 66 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54 [ 56.084400][ C1] RSP: 0018:ffff8880ae907e80 EFLAGS: 00010006 [ 56.090448][ C1] RAX: ffff8880974cc2c0 RBX: ffff8880986f3808 RCX: ffffffff81329bea [ 56.098402][ C1] RDX: 0000000000010000 RSI: ffffffff810a1569 RDI: 0000000000000007 [ 56.106359][ C1] RBP: ffff8880ae907e80 R08: ffff8880974cc2c0 R09: ffffed1015d25be9 [ 56.114320][ C1] R10: ffffed1015d25be8 R11: ffff8880ae92df47 R12: 1ffff11015d20fd3 [ 56.122275][ C1] R13: ffff88809842f000 R14: ffff8880ae907ef8 R15: 0000000000000001 [ 56.130241][ C1] FS: 00007f780f9f0700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 56.139154][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.145725][ C1] CR2: ffff8880ae907eb8 CR3: 00000000942b3000 CR4: 00000000001426e0 [ 56.153687][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.161644][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.169629][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 56.177716][ C1] Kernel Offset: disabled [ 56.182029][ C1] Rebooting in 86400 seconds..