[....] Starting enhanced syslogd: rsyslogd[ 10.231391] audit: type=1400 audit(1514427485.257:5): avc: denied { syslog } for pid=2999 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: [ 12.852397] audit: type=1400 audit(1514427487.878:6): avc: denied { map } for pid=3140 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 '10.128.0.7' (ECDSA) to the list of known hosts. [ 18.968996] audit: type=1400 audit(1514427493.994:7): avc: denied { map } for pid=3154 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 2017/12/28 02:18:14 parsed 1 programs 2017/12/28 02:18:14 executed programs: 0 [ 19.087169] audit: type=1400 audit(1514427494.112:8): avc: denied { map } for pid=3154 comm="syz-execprog" path="/root/syzkaller-shm346047686" 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 [ 19.120147] audit: type=1400 audit(1514427494.122:9): avc: denied { sys_admin } for pid=3159 comm="syz-executor3" 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 [ 19.159757] audit: type=1400 audit(1514427494.173:10): avc: denied { sys_chroot } for pid=3161 comm="syz-executor3" 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 [ 19.208211] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu 2017/12/28 02:18:19 executed programs: 312 [ 27.031508] WARNING: CPU: 0 PID: 4889 at arch/x86/kvm/x86.c:7375 kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 27.040957] Kernel panic - not syncing: panic_on_warn set ... [ 27.040957] [ 27.045108] WARNING: CPU: 1 PID: 4892 at arch/x86/kvm/x86.c:7375 kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 27.045111] Modules linked in: [ 27.045121] CPU: 1 PID: 4892 Comm: syz-executor7 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 27.045124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.045132] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 27.045136] RSP: 0018:ffff8801be69f6b0 EFLAGS: 00010293 [ 27.045142] RAX: ffff8801d8830380 RBX: ffff8801c993b000 RCX: ffffffff810df6b7 [ 27.045146] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d0d699a0 [ 27.045150] RBP: ffff8801be69fa40 R08: 1ffff1003a1addcb R09: 0000000000000001 [ 27.045154] R10: ffff8801be69f690 R11: 0000000000000004 R12: 0000000000000000 [ 27.045158] R13: ffff8801bd0ade80 R14: ffff8801d0d69780 R15: ffff8801d0d69780 [ 27.045164] FS: 00007ff775f18700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 27.045168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.045172] CR2: 0000000000920008 CR3: 00000001c949f005 CR4: 00000000001626e0 [ 27.045178] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.045182] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.045184] Call Trace: [ 27.045200] ? mutex_lock_io_nested+0x1900/0x1900 [ 27.045208] ? futex_wait_setup+0x22e/0x3d0 [ 27.045228] ? futex_wake+0x680/0x680 [ 27.045236] ? lock_downgrade+0x980/0x980 [ 27.045248] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 27.045254] ? __lock_acquire+0x664/0x3e00 [ 27.045259] ? mmdrop+0x18/0x30 [ 27.045267] ? drop_futex_key_refs.isra.12+0x63/0xa0 [ 27.045276] ? futex_wait+0x6a9/0x9a0 [ 27.045299] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 27.045312] ? mmdrop+0x18/0x30 [ 27.045320] ? drop_futex_key_refs.isra.12+0x63/0xa0 [ 27.045329] ? futex_wake+0x2ca/0x680 [ 27.045347] ? get_futex_key+0x1d50/0x1d50 [ 27.045378] ? lock_release+0xa40/0xa40 [ 27.045388] ? check_noncircular+0x20/0x20 [ 27.045407] kvm_vcpu_ioctl+0x6f1/0xff0 [ 27.045413] ? kvm_vcpu_ioctl+0x6f1/0xff0 [ 27.045425] ? kvm_vcpu_fault+0x520/0x520 [ 27.045445] ? find_held_lock+0x35/0x1d0 [ 27.045464] ? __fget+0x333/0x570 [ 27.045473] ? lock_downgrade+0x980/0x980 [ 27.045486] ? lock_release+0xa40/0xa40 [ 27.045499] ? __lock_is_held+0xb6/0x140 [ 27.045524] ? __fget+0x35c/0x570 [ 27.045543] ? iterate_fd+0x3f0/0x3f0 [ 27.045553] ? get_unused_fd_flags+0x190/0x190 [ 27.045560] ? may_open_dev+0xe0/0xe0 [ 27.045581] ? kvm_vcpu_fault+0x520/0x520 [ 27.045588] do_vfs_ioctl+0x1b1/0x1520 [ 27.045596] ? putname+0xee/0x130 [ 27.045609] ? ioctl_preallocate+0x2b0/0x2b0 [ 27.045622] ? selinux_capable+0x40/0x40 [ 27.045637] ? SyS_futex+0x269/0x390 [ 27.045663] ? security_file_ioctl+0x89/0xb0 [ 27.045676] SyS_ioctl+0x8f/0xc0 [ 27.045691] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 27.045696] RIP: 0033:0x452ac9 [ 27.045700] RSP: 002b:00007ff775f17c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 27.045707] RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 [ 27.045711] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000004 [ 27.045714] RBP: 000000000000039b R08: 0000000000000000 R09: 0000000000000000 [ 27.045718] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2728 [ 27.045722] R13: 00000000ffffffff R14: 00007ff775f186d4 R15: 0000000000000000 [ 27.045748] 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 29 3c 62 00 <0f> ff e8 22 3c 62 00 48 8d 7b 01 48 b8 00 00 00 00 00 fc ff df [ 27.045886] ---[ end trace 143fe6cf975ed2cc ]--- [ 27.385062] CPU: 0 PID: 4889 Comm: syz-executor1 Tainted: G W 4.15.0-rc4-next-20171221+ #78 [ 27.394732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.404055] Call Trace: [ 27.406621] dump_stack+0x194/0x257 [ 27.410222] ? arch_local_irq_restore+0x53/0x53 [ 27.414865] ? vsnprintf+0x1ed/0x1900 [ 27.418639] panic+0x1e4/0x41c [ 27.421800] ? refcount_error_report+0x214/0x214 [ 27.426527] ? show_regs_print_info+0x18/0x18 [ 27.431007] ? __warn+0x1c1/0x200 [ 27.434439] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 27.439421] __warn+0x1dc/0x200 [ 27.442671] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 27.447657] report_bug+0x211/0x2d0 [ 27.451260] fixup_bug.part.11+0x37/0x80 [ 27.455293] do_error_trap+0x2d7/0x3e0 [ 27.459156] ? math_error+0x400/0x400 [ 27.462930] ? __lock_is_held+0xb6/0x140 [ 27.466972] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.471787] do_invalid_op+0x1b/0x20 [ 27.475468] invalid_op+0x22/0x40 [ 27.478889] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 27.484481] RSP: 0018:ffff8801d1c476b0 EFLAGS: 00010293 [ 27.489814] RAX: ffff8801d2c76580 RBX: ffff8801d8bb6000 RCX: ffffffff810df6b7 [ 27.497053] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801bbd40a20 [ 27.504291] RBP: ffff8801d1c47a40 R08: 1ffff100377a8bdb R09: 0000000000000001 [ 27.511528] R10: ffff8801d1c47690 R11: 0000000000000004 R12: 0000000000000000 [ 27.518768] R13: ffff8801d56ad680 R14: ffff8801bbd40800 R15: ffff8801bbd40800 [ 27.526024] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 27.531026] ? mutex_lock_io_nested+0x1900/0x1900 [ 27.535839] ? futex_wait_setup+0x22e/0x3d0 [ 27.540138] ? futex_wake+0x680/0x680 [ 27.543922] ? lock_downgrade+0x980/0x980 [ 27.548041] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 27.552849] ? __lock_acquire+0x664/0x3e00 [ 27.557051] ? mmdrop+0x18/0x30 [ 27.560298] ? drop_futex_key_refs.isra.12+0x63/0xa0 [ 27.565371] ? futex_wait+0x6a9/0x9a0 [ 27.569152] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 27.574317] ? mmdrop+0x18/0x30 [ 27.577564] ? drop_futex_key_refs.isra.12+0x63/0xa0 [ 27.582635] ? futex_wake+0x2ca/0x680 [ 27.586412] ? get_futex_key+0x1d50/0x1d50 [ 27.590635] ? lock_release+0xa40/0xa40 [ 27.594580] ? check_noncircular+0x20/0x20 [ 27.598795] kvm_vcpu_ioctl+0x6f1/0xff0 [ 27.602736] ? kvm_vcpu_ioctl+0x6f1/0xff0 [ 27.606854] ? kvm_vcpu_fault+0x520/0x520 [ 27.610981] ? find_held_lock+0x35/0x1d0 [ 27.615027] ? __fget+0x333/0x570 [ 27.618451] ? lock_downgrade+0x980/0x980 [ 27.622571] ? lock_release+0xa40/0xa40 [ 27.626519] ? __lock_is_held+0xb6/0x140 [ 27.630563] ? __fget+0x35c/0x570 [ 27.633993] ? iterate_fd+0x3f0/0x3f0 [ 27.637765] ? get_unused_fd_flags+0x190/0x190 [ 27.642315] ? may_open_dev+0xe0/0xe0 [ 27.646096] ? kvm_vcpu_fault+0x520/0x520 [ 27.650212] do_vfs_ioctl+0x1b1/0x1520 [ 27.654067] ? putname+0xee/0x130 [ 27.657498] ? ioctl_preallocate+0x2b0/0x2b0 [ 27.661881] ? selinux_capable+0x40/0x40 [ 27.665915] ? SyS_futex+0x269/0x390 [ 27.669614] ? security_file_ioctl+0x89/0xb0 [ 27.673995] SyS_ioctl+0x8f/0xc0 [ 27.677338] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 27.682060] RIP: 0033:0x452ac9 [ 27.685216] RSP: 002b:00007f5072bf5c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 27.692893] RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 [ 27.700131] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000004 [ 27.707369] RBP: 000000000000039b R08: 0000000000000000 R09: 0000000000000000 [ 27.714609] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2728 [ 27.721848] R13: 00000000ffffffff R14: 00007f5072bf66d4 R15: 0000000000000000 [ 27.729776] Dumping ftrace buffer: [ 27.733348] (ftrace buffer empty) [ 27.737027] Kernel Offset: disabled [ 27.740630] Rebooting in 86400 seconds..