[....] Starting enhanced syslogd: rsyslogd[ 12.538781] audit: type=1400 audit(1515774089.757:5): avc: denied { syslog } for pid=3354 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 syzkaller login: [ 18.793895] audit: type=1400 audit(1515774096.012:6): avc: denied { map } for pid=3494 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 '10.128.0.61' (ECDSA) to the list of known hosts. [ 24.986076] audit: type=1400 audit(1515774102.204:7): avc: denied { map } for pid=3508 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 2018/01/12 16:21:42 parsed 1 programs 2018/01/12 16:21:42 executed programs: 0 [ 25.136764] audit: type=1400 audit(1515774102.352:8): avc: denied { map } for pid=3508 comm="syz-execprog" path="/root/syzkaller-shm631002857" 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 [ 25.165835] audit: type=1400 audit(1515774102.384:9): avc: denied { sys_admin } for pid=3513 comm="syz-executor5" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 25.203005] audit: type=1400 audit(1515774102.421:10): avc: denied { sys_chroot } for pid=3515 comm="syz-executor5" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 25.250198] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 29.848960] WARNING: CPU: 1 PID: 4303 at arch/x86/kvm/x86.c:7375 kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 29.858410] Kernel panic - not syncing: panic_on_warn set ... [ 29.858410] [ 29.865771] CPU: 1 PID: 4303 Comm: syz-executor3 Not tainted 4.15.0-rc7-mm1+ #54 [ 29.873295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.882645] Call Trace: [ 29.885230] dump_stack+0x194/0x257 [ 29.888867] ? arch_local_irq_restore+0x53/0x53 [ 29.893547] ? vsnprintf+0x1ed/0x1900 [ 29.896292] WARNING: CPU: 0 PID: 4304 at arch/x86/kvm/x86.c:7375 kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 29.896295] Modules linked in: [ 29.896305] CPU: 0 PID: 4304 Comm: syz-executor0 Not tainted 4.15.0-rc7-mm1+ #54 [ 29.896309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.896316] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 29.896320] RSP: 0018:ffff8801d47ff6b0 EFLAGS: 00010293 [ 29.896326] RAX: ffff8801d5bae200 RBX: ffff8801c20a8000 RCX: ffffffff810df8c7 [ 29.896330] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d57f16a0 [ 29.896334] RBP: ffff8801d47ffa40 R08: 1ffff1003aafed6b R09: 0000000000000001 [ 29.896338] R10: ffff8801d47ff690 R11: 0000000000000004 R12: 0000000000000000 [ 29.896342] R13: ffff8801bf740f00 R14: ffff8801d57f1480 R15: ffff8801d57f1480 [ 29.896347] FS: 00007f4b38929700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 29.896352] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.896356] CR2: 00007f61517ec000 CR3: 00000001c0b66004 CR4: 00000000001626f0 [ 29.896361] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.896365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.896367] Call Trace: [ 29.896381] ? mutex_lock_io_nested+0x1900/0x1900 [ 29.896390] ? futex_wait_setup+0x22e/0x3d0 [ 29.896409] ? futex_wake+0x680/0x680 [ 29.896417] ? lock_downgrade+0x980/0x980 [ 29.896429] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 29.896435] ? __lock_acquire+0x664/0x3e00 [ 29.896442] ? mmdrop+0x18/0x30 [ 29.896450] ? drop_futex_key_refs.isra.12+0x63/0xa0 [ 29.896460] ? futex_wait+0x6a9/0x9a0 [ 29.896483] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.896496] ? mmdrop+0x18/0x30 [ 29.896504] ? drop_futex_key_refs.isra.12+0x63/0xa0 [ 29.896513] ? futex_wake+0x2ca/0x680 [ 29.896532] ? get_futex_key+0x1d50/0x1d50 [ 29.896573] ? check_noncircular+0x20/0x20 [ 29.896593] kvm_vcpu_ioctl+0x6f1/0xff0 [ 29.896599] ? kvm_vcpu_ioctl+0x6f1/0xff0 [ 29.896605] ? __switch_to_asm+0x53/0x80 [ 29.896615] ? kvm_vcpu_fault+0x520/0x520 [ 29.896636] ? find_held_lock+0x35/0x1d0 [ 29.896656] ? __fget+0x333/0x570 [ 29.896666] ? lock_downgrade+0x980/0x980 [ 29.896679] ? lock_release+0xa40/0xa40 [ 29.896692] ? __lock_is_held+0xb6/0x140 [ 29.896718] ? __fget+0x35c/0x570 [ 29.896738] ? iterate_fd+0x3f0/0x3f0 [ 29.896750] ? __close_fd+0x2d7/0x360 [ 29.896772] ? kvm_vcpu_fault+0x520/0x520 [ 29.896780] do_vfs_ioctl+0x1b1/0x1520 [ 29.896797] ? ioctl_preallocate+0x2b0/0x2b0 [ 29.896811] ? selinux_capable+0x40/0x40 [ 29.896826] ? SyS_futex+0x269/0x390 [ 29.896852] ? security_file_ioctl+0x89/0xb0 [ 29.896867] SyS_ioctl+0x8f/0xc0 [ 29.896881] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 29.896886] RIP: 0033:0x452ac9 [ 29.896890] RSP: 002b:00007f4b38928c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 29.896897] RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 [ 29.896900] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000004 [ 29.896904] RBP: 00000000000003aa R08: 0000000000000000 R09: 0000000000000000 [ 29.896908] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f3890 [ 29.896912] R13: 00000000ffffffff R14: 00007f4b389296d4 R15: 0000000000000000 [ 29.896939] Code: 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 00 59 00 00 49 83 bf 98 2b 00 00 00 0f 84 71 21 00 00 e8 59 a6 62 00 <0f> ff e8 52 a6 62 00 48 8d 7b 01 48 b8 00 00 00 00 00 fc ff df [ 29.897073] ---[ end trace e282c051b8020e55 ]--- [ 30.226107] panic+0x1e4/0x41c [ 30.229277] ? refcount_error_report+0x214/0x214 [ 30.234004] ? show_regs_print_info+0x18/0x18 [ 30.238481] ? get_cpu_entry_area+0xc/0x30 [ 30.242703] ? __warn+0x1c1/0x200 [ 30.246135] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 30.251123] __warn+0x1dc/0x200 [ 30.254374] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 30.259367] report_bug+0x211/0x2d0 [ 30.262972] fixup_bug.part.11+0x37/0x80 [ 30.267012] do_error_trap+0x2d7/0x3e0 [ 30.270886] ? math_error+0x400/0x400 [ 30.274663] ? __lock_is_held+0xb6/0x140 [ 30.278708] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.283533] do_invalid_op+0x1b/0x20 [ 30.287218] invalid_op+0x22/0x40 [ 30.290643] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 30.296246] RSP: 0018:ffff8801d4aef6b0 EFLAGS: 00010293 [ 30.301580] RAX: ffff8801d63be2c0 RBX: ffff8801cbc84000 RCX: ffffffff810df8c7 [ 30.309437] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d4169a60 [ 30.316692] RBP: ffff8801d4aefa40 R08: 1ffff1003a82dde3 R09: 0000000000000001 [ 30.323949] R10: ffff8801d4aef690 R11: 0000000000000000 R12: 0000000000000000 [ 30.331197] R13: ffff8801d801c980 R14: ffff8801d4169840 R15: ffff8801d4169840 [ 30.338461] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 30.344160] ? mutex_lock_io_nested+0x1900/0x1900 [ 30.348999] ? futex_wait_setup+0x22e/0x3d0 [ 30.353313] ? futex_wake+0x680/0x680 [ 30.357091] ? lock_downgrade+0x980/0x980 [ 30.361216] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 30.366037] ? __lock_acquire+0x664/0x3e00 [ 30.370248] ? mmdrop+0x18/0x30 [ 30.373507] ? drop_futex_key_refs.isra.12+0x63/0xa0 [ 30.378588] ? futex_wait+0x6a9/0x9a0 [ 30.382374] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.387542] ? mmdrop+0x18/0x30 [ 30.390794] ? drop_futex_key_refs.isra.12+0x63/0xa0 [ 30.395871] ? futex_wake+0x2ca/0x680 [ 30.399652] ? get_futex_key+0x1d50/0x1d50 [ 30.403885] ? check_noncircular+0x20/0x20 [ 30.408102] kvm_vcpu_ioctl+0x6f1/0xff0 [ 30.412047] ? kvm_vcpu_ioctl+0x6f1/0xff0 [ 30.416168] ? __switch_to_asm+0x53/0x80 [ 30.420212] ? kvm_vcpu_fault+0x520/0x520 [ 30.424351] ? find_held_lock+0x35/0x1d0 [ 30.428404] ? __fget+0x333/0x570 [ 30.431847] ? lock_downgrade+0x980/0x980 [ 30.435972] ? lock_release+0xa40/0xa40 [ 30.439922] ? __lock_is_held+0xb6/0x140 [ 30.443968] ? __fget+0x35c/0x570 [ 30.447410] ? iterate_fd+0x3f0/0x3f0 [ 30.451185] ? __close_fd+0x2d7/0x360 [ 30.454967] ? kvm_vcpu_fault+0x520/0x520 [ 30.459087] do_vfs_ioctl+0x1b1/0x1520 [ 30.462953] ? ioctl_preallocate+0x2b0/0x2b0 [ 30.467337] ? selinux_capable+0x40/0x40 [ 30.471375] ? SyS_futex+0x269/0x390 [ 30.475082] ? security_file_ioctl+0x89/0xb0 [ 30.479470] SyS_ioctl+0x8f/0xc0 [ 30.482815] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 30.487552] RIP: 0033:0x452ac9 [ 30.490719] RSP: 002b:00007f70aa3f0c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 30.498398] RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 [ 30.505638] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000004 [ 30.512880] RBP: 00000000000003aa R08: 0000000000000000 R09: 0000000000000000 [ 30.520129] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f3890 [ 30.527407] R13: 00000000ffffffff R14: 00007f70aa3f16d4 R15: 0000000000000000 [ 30.535390] Dumping ftrace buffer: [ 30.539017] (ftrace buffer empty) [ 30.542698] Kernel Offset: disabled [ 30.546299] Rebooting in 86400 seconds..