[?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. [ 18.537769] audit: type=1400 audit(1520851517.737:6): avc: denied { map } for pid=4171 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.4' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.929497] audit: type=1400 audit(1520851524.129:7): avc: denied { map } for pid=4185 comm="syzkaller994063" path="/root/syzkaller994063940" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 24.963465] FAULT_INJECTION: forcing a failure. [ 24.963465] name failslab, interval 1, probability 0, space 0, times 1 [ 24.974912] CPU: 0 PID: 4185 Comm: syzkaller994063 Not tainted 4.16.0-rc4+ #28 [ 24.982254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.991583] Call Trace: [ 24.994168] dump_stack+0x194/0x24d [ 24.997783] ? arch_local_irq_restore+0x53/0x53 [ 25.002431] ? trace_hardirqs_off+0x10/0x10 [ 25.006754] should_fail+0x8c0/0xa40 [ 25.010468] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 25.015555] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 25.020384] ? trace_hardirqs_off+0x10/0x10 [ 25.024681] ? wait_for_completion+0x770/0x770 [ 25.029259] ? find_held_lock+0x35/0x1d0 [ 25.033311] ? __lock_is_held+0xb6/0x140 [ 25.037381] ? check_same_owner+0x320/0x320 [ 25.041679] ? pcpu_alloc+0x146/0x10e0 [ 25.045588] ? rcu_note_context_switch+0x710/0x710 [ 25.050515] should_failslab+0xec/0x120 [ 25.054473] kmem_cache_alloc_trace+0x4b/0x740 [ 25.059029] ? __lock_is_held+0xb6/0x140 [ 25.063092] tracepoint_probe_register_prio+0x6f9/0x9a0 [ 25.068445] ? trace_event_raw_event_lock+0x340/0x340 [ 25.073615] ? tracepoint_module_notify+0x780/0x780 [ 25.078612] ? module_unload_free+0x5b0/0x5b0 [ 25.083092] ? trace_event_raw_event_lock+0x340/0x340 [ 25.088272] ? trace_event_raw_event_lock+0x340/0x340 [ 25.093445] tracepoint_probe_register+0x2a/0x40 [ 25.098186] trace_event_reg+0x167/0x320 [ 25.102233] perf_trace_init+0x4ef/0xab0 [ 25.106296] perf_tp_event_init+0x7d/0xf0 [ 25.110424] perf_try_init_event+0xc9/0x2a0 [ 25.114729] perf_event_alloc+0x1cc6/0x2b00 [ 25.119048] ? __perf_install_in_context+0x2d0/0x2d0 [ 25.124134] ? perf_tp_event+0xae0/0xae0 [ 25.128174] ? __mutex_lock+0x16f/0x1a80 [ 25.132218] ? perf_tp_event+0xae0/0xae0 [ 25.136268] ? memset+0x31/0x40 [ 25.139536] ? perf_trace_lock_acquire+0x532/0x980 [ 25.144462] ? perf_trace_lock+0x900/0x900 [ 25.148716] ? __alloc_fd+0x29b/0x750 [ 25.152615] ? ptrace_may_access+0x3a/0x50 [ 25.156842] ? lock_release+0xa40/0xa40 [ 25.160796] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 25.165701] ? __ptrace_may_access+0x426/0x810 [ 25.170262] ? do_raw_spin_trylock+0x190/0x190 [ 25.174821] ? ptrace_getsiginfo+0x190/0x190 [ 25.179205] ? get_unused_fd_flags+0x121/0x190 [ 25.183789] SYSC_perf_event_open+0x84e/0x2e00 [ 25.188375] ? find_held_lock+0x35/0x1d0 [ 25.192488] ? perf_event_set_output+0x5a0/0x5a0 [ 25.197249] ? __lock_is_held+0xb6/0x140 [ 25.201324] ? __sb_end_write+0xa0/0xd0 [ 25.205306] ? SyS_read+0x220/0x220 [ 25.208920] SyS_perf_event_open+0x39/0x50 [ 25.213134] ? perf_bp_event+0x2e0/0x2e0 [ 25.217175] do_syscall_64+0x281/0x940 [ 25.221045] ? __do_page_fault+0xc90/0xc90 [ 25.225261] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 25.230777] ? syscall_return_slowpath+0x550/0x550 [ 25.235684] ? syscall_return_slowpath+0x2ac/0x550 [ 25.240602] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 25.245951] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.250784] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 25.255949] RIP: 0033:0x441dd9 [ 25.259113] RSP: 002b:00007ffcca452388 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 25.266797] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441dd9 [ 25.274041] RDX: 00000000ffffffff RSI: 0000000000000000 RDI: 0000000020348f88 [ 25.281285] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000032 [ 25.288543] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000004 [ 25.295787] R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000 [ 25.303556] WARNING: CPU: 0 PID: 4185 at kernel/tracepoint.c:210 tracepoint_probe_register_prio+0x397/0x9a0 [ 25.313427] Kernel panic - not syncing: panic_on_warn set ... [ 25.313427] [ 25.320766] CPU: 0 PID: 4185 Comm: syzkaller994063 Not tainted 4.16.0-rc4+ #28 [ 25.328114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.337441] Call Trace: [ 25.340011] dump_stack+0x194/0x24d [ 25.343629] ? arch_local_irq_restore+0x53/0x53 [ 25.348273] ? dump_stack+0x220/0x24d [ 25.352060] ? vsnprintf+0x1ed/0x1900 [ 25.355847] panic+0x1e4/0x41c [ 25.359028] ? refcount_error_report+0x214/0x214 [ 25.363760] ? show_regs_print_info+0x18/0x18 [ 25.368248] ? __warn+0x1c1/0x200 [ 25.371695] ? tracepoint_probe_register_prio+0x397/0x9a0 [ 25.377217] __warn+0x1dc/0x200 [ 25.380472] ? wait_for_completion+0x770/0x770 [ 25.385035] ? tracepoint_probe_register_prio+0x397/0x9a0 [ 25.390554] report_bug+0x211/0x2d0 [ 25.394170] fixup_bug.part.11+0x37/0x80 [ 25.398212] do_error_trap+0x2d7/0x3e0 [ 25.402092] ? math_error+0x400/0x400 [ 25.405898] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.410726] do_invalid_op+0x1b/0x20 [ 25.414415] invalid_op+0x1b/0x40 [ 25.417841] RIP: 0010:tracepoint_probe_register_prio+0x397/0x9a0 [ 25.423959] RSP: 0018:ffff8801bbc87468 EFLAGS: 00010293 [ 25.429299] RAX: ffff8801b5a3c680 RBX: 00000000fffffff4 RCX: ffffffff81735e67 [ 25.436542] RDX: 0000000000000000 RSI: ffffffff86f42a00 RDI: 0000000000000286 [ 25.443788] RBP: ffff8801bbc87570 R08: 1ffff10037790de1 R09: 0000000000000000 [ 25.451039] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 25.458401] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8801bbc87548 [ 25.465671] ? tracepoint_probe_register_prio+0x397/0x9a0 [ 25.471199] ? tracepoint_probe_register_prio+0x397/0x9a0 [ 25.476722] ? trace_event_raw_event_lock+0x340/0x340 [ 25.481891] ? tracepoint_module_notify+0x780/0x780 [ 25.486885] ? module_unload_free+0x5b0/0x5b0 [ 25.491366] ? trace_event_raw_event_lock+0x340/0x340 [ 25.496543] ? trace_event_raw_event_lock+0x340/0x340 [ 25.501712] tracepoint_probe_register+0x2a/0x40 [ 25.506449] trace_event_reg+0x167/0x320 [ 25.510492] perf_trace_init+0x4ef/0xab0 [ 25.514553] perf_tp_event_init+0x7d/0xf0 [ 25.518680] perf_try_init_event+0xc9/0x2a0 [ 25.522983] perf_event_alloc+0x1cc6/0x2b00 [ 25.527303] ? __perf_install_in_context+0x2d0/0x2d0 [ 25.532389] ? perf_tp_event+0xae0/0xae0 [ 25.536430] ? __mutex_lock+0x16f/0x1a80 [ 25.540468] ? perf_tp_event+0xae0/0xae0 [ 25.544517] ? memset+0x31/0x40 [ 25.547783] ? perf_trace_lock_acquire+0x532/0x980 [ 25.552711] ? perf_trace_lock+0x900/0x900 [ 25.556966] ? __alloc_fd+0x29b/0x750 [ 25.560777] ? ptrace_may_access+0x3a/0x50 [ 25.565004] ? lock_release+0xa40/0xa40 [ 25.568965] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 25.573868] ? __ptrace_may_access+0x426/0x810 [ 25.578428] ? do_raw_spin_trylock+0x190/0x190 [ 25.582985] ? ptrace_getsiginfo+0x190/0x190 [ 25.587368] ? get_unused_fd_flags+0x121/0x190 [ 25.591951] SYSC_perf_event_open+0x84e/0x2e00 [ 25.596513] ? find_held_lock+0x35/0x1d0 [ 25.600575] ? perf_event_set_output+0x5a0/0x5a0 [ 25.605320] ? __lock_is_held+0xb6/0x140 [ 25.609393] ? __sb_end_write+0xa0/0xd0 [ 25.613373] ? SyS_read+0x220/0x220 [ 25.616988] SyS_perf_event_open+0x39/0x50 [ 25.621205] ? perf_bp_event+0x2e0/0x2e0 [ 25.625247] do_syscall_64+0x281/0x940 [ 25.629114] ? __do_page_fault+0xc90/0xc90 [ 25.633330] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 25.638845] ? syscall_return_slowpath+0x550/0x550 [ 25.643753] ? syscall_return_slowpath+0x2ac/0x550 [ 25.648672] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 25.654037] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.658873] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 25.664041] RIP: 0033:0x441dd9 [ 25.667216] RSP: 002b:00007ffcca452388 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 25.674901] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441dd9 [ 25.682147] RDX: 00000000ffffffff RSI: 0000000000000000 RDI: 0000000020348f88 [ 25.689391] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000032 [ 25.696636] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000004 [ 25.703879] R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000 [ 25.711896] Dumping ftrace buffer: [ 25.715554] (ftrace buffer empty) [ 25.719241] Kernel Offset: disabled [ 25.722851] Rebooting in 86400 seconds..