[....] Starting enhanced syslogd: rsyslogd[ 11.351125] audit: type=1400 audit(1514147089.016:5): avc: denied { syslog } for pid=3000 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: [ 17.930428] audit: type=1400 audit(1514147095.596:6): 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 'ci-upstream-kasan-gce-386-1,10.128.15.242' (ECDSA) to the list of known hosts. [ 42.985061] audit: type=1400 audit(1514147120.650:7): avc: denied { map } for pid=3157 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 2017/12/24 20:25:20 parsed 1 programs 2017/12/24 20:25:20 executed programs: 0 [ 43.088999] audit: type=1400 audit(1514147120.754:8): avc: denied { map } for pid=3157 comm="syz-execprog" path="/root/syzkaller-shm530733819" 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 [ 43.117494] audit: type=1400 audit(1514147120.755:9): avc: denied { sys_admin } for pid=3162 comm="syz-executor4" 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 [ 43.194409] audit: type=1400 audit(1514147120.860:10): avc: denied { sys_chroot } for pid=3166 comm="syz-executor4" 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 [ 43.230664] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu 2017/12/24 20:25:25 executed programs: 474 [ 50.872543] WARNING: CPU: 0 PID: 4689 at arch/x86/kernel/traps.c:801 do_debug+0x4d8/0x6e0 [ 50.880926] Kernel panic - not syncing: panic_on_warn set ... [ 50.880926] [ 50.888277] CPU: 0 PID: 4689 Comm: syz-executor6 Not tainted 4.15.0-rc5+ #147 [ 50.895530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.904865] Call Trace: [ 50.907428] <#DB> [ 50.909571] dump_stack+0x194/0x257 [ 50.913189] ? arch_local_irq_restore+0x53/0x53 [ 50.917851] ? vsnprintf+0x1ed/0x1900 [ 50.921636] panic+0x1e4/0x41c [ 50.924812] ? refcount_error_report+0x214/0x214 [ 50.929546] ? show_regs_print_info+0x18/0x18 [ 50.934023] ? __warn+0x1c1/0x200 [ 50.937456] ? do_debug+0x4d8/0x6e0 [ 50.941050] __warn+0x1dc/0x200 [ 50.944298] ? do_debug+0x4d8/0x6e0 [ 50.947898] report_bug+0x211/0x2d0 [ 50.951503] fixup_bug.part.11+0x37/0x80 [ 50.955534] do_error_trap+0x2d7/0x3e0 [ 50.959389] ? lock_downgrade+0x980/0x980 [ 50.963511] ? math_error+0x400/0x400 [ 50.967279] ? raw_notifier_chain_unregister+0x1b0/0x1b0 [ 50.972698] ? print_irqtrace_events+0x270/0x270 [ 50.977434] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.982252] do_invalid_op+0x1b/0x20 [ 50.985935] invalid_op+0x22/0x40 [ 50.989358] RIP: 0010:do_debug+0x4d8/0x6e0 [ 50.993561] RSP: 0018:fffffe800000ee98 EFLAGS: 00010246 [ 50.998893] RAX: dffffc0000000000 RBX: fffffe800000ef58 RCX: 0000000000000006 [ 51.006132] RDX: 1fffffd000001dfc RSI: 1ffff1003838c53b RDI: ffffffff85ec81f8 [ 51.013369] RBP: fffffe800000ef48 R08: fffffe800000efe8 R09: 0000000000000000 [ 51.020607] R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000e001 [ 51.027846] R13: ffff8801c1c62140 R14: 1fffffd000001dd8 R15: 0000000000004000 [ 51.035105] ? do_debug+0x458/0x6e0 [ 51.038705] ? do_int3+0x210/0x210 [ 51.043521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.048516] debug+0x34/0x60 [ 51.052633] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 51.059697] RSP: 0018:ffff8801c167f020 EFLAGS: 00010202 [ 51.065035] RAX: dffffc0000000000 RBX: 0000000020000000 RCX: 000000000000100f [ 51.072273] RDX: 0000000000001010 RSI: 0000000020000001 RDI: ffff8801c18ac681 [ 51.079511] RBP: ffff8801c167f060 R08: ffff8801db002080 R09: ffff8801c18ac680 [ 51.086749] R10: 0000000000000202 R11: ffffed0038315ad1 R12: 0000000000001010 [ 51.093987] R13: 0000000000001010 R14: ffff8801c498f800 R15: ffff8801c18ac680 [ 51.101245] [ 51.103453] ? __sctp_setsockopt_connectx+0x15f/0x1f0 [ 51.108617] sctp_getsockopt+0x3f0d/0x70c0 [ 51.112824] ? trace_hardirqs_on+0xd/0x10 [ 51.116941] ? _raw_spin_unlock_irq+0x27/0x70 [ 51.121408] ? finish_task_switch+0x1d3/0x740 [ 51.125868] ? finish_task_switch+0x1aa/0x740 [ 51.130339] ? sctp_getsockopt_peeloff_common+0x2c0/0x2c0 [ 51.135858] ? __schedule+0x8f3/0x2060 [ 51.139711] ? find_held_lock+0x35/0x1d0 [ 51.143751] ? __sched_text_start+0x8/0x8 [ 51.147867] ? check_noncircular+0x20/0x20 [ 51.152074] ? plist_check_head+0xe2/0x130 [ 51.156277] ? plist_check_list+0xa0/0xa0 [ 51.160392] ? check_noncircular+0x20/0x20 [ 51.164596] ? check_preempt_wakeup+0x426/0xb20 [ 51.169242] ? plist_add+0x5cb/0x760 [ 51.172958] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.178817] ? print_irqtrace_events+0x270/0x270 [ 51.183545] ? __might_sleep+0x95/0x190 [ 51.187493] ? _cond_resched+0x14/0x30 [ 51.191354] ? futex_wait_queue_me+0x527/0x7e0 [ 51.195908] ? refill_pi_state_cache.part.5+0x2f0/0x2f0 [ 51.201250] ? __lock_acquire+0x664/0x3e00 [ 51.205456] ? futex_wait_setup+0x22e/0x3d0 [ 51.209749] ? print_irqtrace_events+0x270/0x270 [ 51.214481] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.219642] ? futex_wake+0x566/0x680 [ 51.223414] ? drop_futex_key_refs.isra.12+0x63/0xb0 [ 51.228487] ? futex_wait+0x6a9/0x9a0 [ 51.232262] ? __lock_acquire+0x664/0x3e00 [ 51.236481] ? futex_wait_setup+0x3d0/0x3d0 [ 51.240797] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 51.245962] ? check_noncircular+0x20/0x20 [ 51.250163] ? get_futex_key+0x1d50/0x1d50 [ 51.254365] ? get_empty_filp+0x189/0x4f0 [ 51.258484] ? sock_alloc_file+0x1f3/0x560 [ 51.262684] ? sock_map_fd+0x34/0x70 [ 51.266366] ? SyS_socket+0x125/0x1d0 [ 51.270158] ? find_held_lock+0x35/0x1d0 [ 51.274200] ? lock_downgrade+0x980/0x980 [ 51.278582] ? lock_release+0xa40/0xa40 [ 51.282531] ? debug_mutex_init+0x2d/0x60 [ 51.286648] ? __mutex_init+0x1c7/0x2a0 [ 51.290610] ? avc_has_perm+0x43e/0x680 [ 51.294563] ? avc_has_perm_noaudit+0x520/0x520 [ 51.299199] ? __fget+0x333/0x570 [ 51.302623] ? lock_downgrade+0x980/0x980 [ 51.306745] ? lock_release+0xa40/0xa40 [ 51.310709] ? __fget+0x35c/0x570 [ 51.314135] ? sock_has_perm+0x2a4/0x420 [ 51.318168] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 51.323507] ? sock_alloc_file+0x2a6/0x560 [ 51.327722] ? __alloc_fd+0x750/0x750 [ 51.331500] compat_sock_common_getsockopt+0x104/0x140 [ 51.336749] ? compat_sock_common_getsockopt+0x104/0x140 [ 51.342175] compat_SyS_getsockopt+0x182/0x420 [ 51.346726] ? sock_common_getsockopt+0xd0/0xd0 [ 51.351367] ? compat_SyS_setsockopt+0x410/0x410 [ 51.356096] ? do_fast_syscall_32+0x156/0xf9d [ 51.360565] ? compat_SyS_setsockopt+0x410/0x410 [ 51.365290] do_fast_syscall_32+0x3ee/0xf9d [ 51.369584] ? do_raw_spin_trylock+0x190/0x190 [ 51.374139] ? do_int80_syscall_32+0x9d0/0x9d0 [ 51.378700] ? syscall_return_slowpath+0x2ad/0x550 [ 51.384470] ? prepare_exit_to_usermode+0x340/0x340 [ 51.389457] ? sysret32_from_system_call+0x5/0x3b [ 51.394276] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.399096] entry_SYSENTER_compat+0x54/0x63 [ 51.403472] RIP: 0023:0xf7f75c79 [ 51.406802] RSP: 002b:00000000f7f7108c EFLAGS: 00000296 ORIG_RAX: 000000000000016d [ 51.416301] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000084 [ 51.423540] RDX: 000000000000006f RSI: 00000000205adff7 RDI: 00000000205adffc [ 51.430778] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 51.439057] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 51.446302] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 51.454699] Dumping ftrace buffer: [ 51.458269] (ftrace buffer empty) [ 51.461948] Kernel Offset: disabled [ 51.465545] Rebooting in 86400 seconds..