[ 40.324876][ T26] audit: type=1800 audit(1547191909.057:25): pid=7837 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0
[ 40.363327][ T26] audit: type=1800 audit(1547191909.057:26): pid=7837 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[ 40.385887][ T26] audit: type=1800 audit(1547191909.057:27): pid=7837 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0
[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[1G[[31mFAIL[39;49m8[?25h[?0c [31mfailed![39;49m
Debian GNU/Linux 7 syzkaller ttyS0
Warning: Permanently added '10.128.0.181' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 59.956305][ T8010] IPVS: ftp: loaded support on port[0] = 21
[ 59.992498][ T8010] FAULT_INJECTION: forcing a failure.
[ 59.992498][ T8010] name failslab, interval 1, probability 0, space 0, times 1
[ 60.005214][ T8010] CPU: 0 PID: 8010 Comm: syz-executor178 Not tainted 5.0.0-rc1-next-20190111 #10
[ 60.014337][ T8010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 60.024383][ T8010] Call Trace:
[ 60.027657][ T8010] dump_stack+0x1db/0x2d0
[ 60.031970][ T8010] ? dump_stack_print_info.cold+0x20/0x20
[ 60.037669][ T8010] ? prepare_creds+0xa4/0x510
[ 60.042323][ T8010] ? __x64_sys_capset+0x58c/0x9b0
[ 60.047325][ T8010] ? do_syscall_64+0x1a3/0x800
[ 60.052073][ T8010] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 60.058115][ T8010] ? add_lock_to_list.isra.0+0x450/0x450
[ 60.063731][ T8010] should_fail.cold+0xa/0x14
[ 60.068300][ T8010] ? fault_create_debugfs_attr+0x1e0/0x1e0
[ 60.074097][ T8010] ? ___might_sleep+0x1e7/0x310
[ 60.078922][ T8010] ? arch_local_save_flags+0x50/0x50
[ 60.084188][ T8010] ? check_preemption_disabled+0x48/0x290
[ 60.089894][ T8010] __should_failslab+0x121/0x190
[ 60.094810][ T8010] should_failslab+0x9/0x14
[ 60.099411][ T8010] __kmalloc+0x2dc/0x740
[ 60.103632][ T8010] ? refcount_dec_and_mutex_lock+0x90/0x90
[ 60.109418][ T8010] ? prepare_creds+0xa4/0x510
[ 60.114070][ T8010] ? prepare_creds+0xa4/0x510
[ 60.118741][ T8010] ? security_prepare_creds+0x123/0x190
[ 60.124293][ T8010] security_prepare_creds+0x123/0x190
[ 60.129644][ T8010] prepare_creds+0x3c4/0x510
[ 60.134232][ T8010] ? abort_creds+0x2c0/0x2c0
[ 60.138803][ T8010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 60.145019][ T8010] ? _copy_from_user+0xdd/0x150
[ 60.149852][ T8010] __x64_sys_capset+0x58c/0x9b0
[ 60.154689][ T8010] ? __ia32_sys_capget+0x750/0x750
[ 60.159779][ T8010] ? do_syscall_64+0x8c/0x800
[ 60.164431][ T8010] ? do_syscall_64+0x8c/0x800
[ 60.169108][ T8010] ? __ia32_sys_read+0xb0/0xb0
[ 60.173865][ T8010] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 60.179909][ T8010] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 60.185347][ T8010] do_syscall_64+0x1a3/0x800
[ 60.189915][ T8010] ? syscall_return_slowpath+0x5f0/0x5f0
[ 60.195523][ T8010] ? prepare_exit_to_usermode+0x232/0x3b0
[ 60.201219][ T8010] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 60.206747][ T8010] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 60.212612][ T8010] RIP: 0033:0x440939
[ 60.216499][ T8010] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[ 60.236079][ T8010] RSP: 002b:00007ffd933e09f8 EFLAGS: 00000246 ORIG_RAX: 000000000000007e
[ 60.244470][ T8010] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440939
[ 60.252417][ T8010] RDX: fffffffffffffffd RSI: 0000000020000480 RDI: 0000000020000440
[ 60.260363][ T8010] RBP: 00007ffd933e0a10 R08: 0000000000000001 R09: 0000000000000100
[ 60.268421][ T8010] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[ 60.276370][ T8010] R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000
[ 60.323146][ C0] ------------[ cut here ]------------
[ 60.328651][ C0] AppArmor WARN cred_label: ((!blob)):
[ 60.328863][ C0] WARNING: CPU: 0 PID: 0 at security/apparmor/include/cred.h:30 apparmor_cred_free+0x12f/0x1a0
[ 60.344669][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 60.351231][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.0.0-rc1-next-20190111 #10
[ 60.359524][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 60.369550][ C0] Call Trace:
[ 60.372807][ C0]
[ 60.375638][ C0] dump_stack+0x1db/0x2d0
[ 60.379963][ C0] ? dump_stack_print_info.cold+0x20/0x20
[ 60.385675][ C0] ? apparmor_cred_free+0xd0/0x1a0
[ 60.390764][ C0] panic+0x2cb/0x65c
[ 60.394782][ C0] ? add_taint.cold+0x16/0x16
[ 60.399444][ C0] ? apparmor_cred_free+0x12f/0x1a0
[ 60.404632][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 60.410850][ C0] ? __probe_kernel_read+0x1f4/0x250
[ 60.416127][ C0] ? __warn.cold+0x5/0x48
[ 60.420470][ C0] ? __warn+0xe8/0x1d0
[ 60.424523][ C0] ? apparmor_cred_free+0x12f/0x1a0
[ 60.429705][ C0] __warn.cold+0x20/0x48
[ 60.433941][ C0] ? apparmor_cred_free+0x12f/0x1a0
[ 60.439113][ C0] report_bug+0x263/0x2b0
[ 60.443422][ C0] do_error_trap+0x11b/0x200
[ 60.447988][ C0] do_invalid_op+0x37/0x50
[ 60.452389][ C0] ? apparmor_cred_free+0x12f/0x1a0
[ 60.457567][ C0] invalid_op+0x14/0x20
[ 60.461699][ C0] RIP: 0010:apparmor_cred_free+0x12f/0x1a0
[ 60.467492][ C0] Code: 7c 88 48 c7 c7 00 d0 7c 88 e8 fd 70 f2 fd 0f 0b eb a9 e8 54 3f 29 fe 48 c7 c6 c0 df 7c 88 48 c7 c7 00 d0 7c 88 e8 e1 70 f2 fd <0f> 0b 48 b8 00 00 00 00 00 fc ff df 80 38 00 75 4a 4c 8b 2c 25 00
[ 60.487073][ C0] RSP: 0018:ffff8880ae6079f8 EFLAGS: 00010286
[ 60.493117][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 60.501066][ C0] RDX: 0000000000000100 RSI: ffffffff81687fa6 RDI: 0000000000000006
[ 60.509024][ C0] RBP: ffff8880ae607a18 R08: ffffffff8987dec0 R09: 0000000000000000
[ 60.516975][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a86b3100
[ 60.524920][ C0] R13: ffff8880a86b3100 R14: ffff8880a86b3188 R15: dffffc0000000000
[ 60.532877][ C0] ? vprintk_func+0x86/0x189
[ 60.537446][ C0] ? apparmor_cred_free+0x12f/0x1a0
[ 60.542628][ C0] security_cred_free+0x4b/0xf0
[ 60.547457][ C0] put_cred_rcu+0x21f/0x6e0
[ 60.551949][ C0] ? get_task_cred+0x5e0/0x5e0
[ 60.556703][ C0] ? lock_release+0xc40/0xc40
[ 60.561358][ C0] ? __do_softirq+0x30b/0xb11
[ 60.566015][ C0] ? trace_hardirqs_off_caller+0x300/0x300
[ 60.571797][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 60.578017][ C0] ? check_preemption_disabled+0x48/0x290
[ 60.583717][ C0] rcu_core+0xc4a/0x1680
[ 60.587941][ C0] ? rcu_fwd_progress_check+0xd0/0xd0
[ 60.593297][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 60.599527][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 60.605749][ C0] ? check_preemption_disabled+0x48/0x290
[ 60.611448][ C0] ? rcu_lockdep_current_cpu_online+0x1aa/0x220
[ 60.617669][ C0] ? rcu_pm_notify+0xd0/0xd0
[ 60.622242][ C0] __do_softirq+0x30b/0xb11
[ 60.626726][ C0] ? __irqentry_text_end+0x1f96d2/0x1f96d2
[ 60.632511][ C0] ? kvm_clock_read+0x18/0x30
[ 60.637163][ C0] ? kvm_sched_clock_read+0x9/0x20
[ 60.642249][ C0] ? sched_clock+0x2e/0x50
[ 60.646642][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 60.652855][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 60.659072][ C0] ? check_preemption_disabled+0x48/0x290
[ 60.664776][ C0] irq_exit+0x180/0x1d0
[ 60.668907][ C0] smp_apic_timer_interrupt+0x1b7/0x760
[ 60.674431][ C0] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 60.680054][ C0] ? smp_call_function_single_interrupt+0x640/0x640
[ 60.686623][ C0] ? trace_hardirqs_off+0x310/0x310
[ 60.691797][ C0] ? task_prio+0x50/0x50
[ 60.696016][ C0] ? check_preemption_disabled+0x48/0x290
[ 60.701712][ C0] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 60.707236][ C0] apic_timer_interrupt+0xf/0x20
[ 60.712144][ C0]
[ 60.715061][ C0] RIP: 0010:native_safe_halt+0x2/0x10
[ 60.720412][ C0] Code: ff ff ff 48 89 c7 48 89 45 d8 e8 79 6f d0 f9 48 8b 45 d8 e9 ce fe ff ff 48 89 df e8 68 6f d0 f9 eb 82 90 90 90 90 90 90 fb f4 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 90 90 90 90 90 90
[ 60.739989][ C0] RSP: 0018:ffffffff89807c60 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[ 60.748376][ C0] RAX: 1ffffffff1325061 RBX: 1ffffffff1300f8f RCX: 0000000000000000
[ 60.756325][ C0] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff8987e73c
[ 60.764316][ C0] RBP: ffffffff89807d20 R08: ffffffff8987dec0 R09: 0000000000000000
[ 60.772269][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 60.780234][ C0] R13: ffffffff89807cf8 R14: 0000000000000000 R15: ffffffff899282f8
[ 60.788193][ C0] ? default_idle+0xb5/0x490
[ 60.792801][ C0] ? rcu_dynticks_eqs_enter+0x4f/0x80
[ 60.798148][ C0] ? __cpuidle_text_start+0x8/0x8
[ 60.803147][ C0] ? rcu_idle_enter+0x408/0x530
[ 60.807972][ C0] ? rcu_eqs_special_set+0x1c0/0x1c0
[ 60.813233][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 60.819448][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 60.825668][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 60.831887][ C0] arch_cpu_idle+0x10/0x20
[ 60.836280][ C0] default_idle_call+0x36/0x90
[ 60.841050][ C0] do_idle+0x386/0x5d0
[ 60.845098][ C0] ? schedule+0x108/0x350
[ 60.849402][ C0] ? arch_cpu_idle_exit+0x80/0x80
[ 60.854416][ C0] ? check_preemption_disabled+0x48/0x290
[ 60.860144][ C0] cpu_startup_entry+0x1b/0x20
[ 60.864901][ C0] rest_init+0x245/0x37b
[ 60.869149][ C0] arch_call_rest_init+0xe/0x1b
[ 60.873976][ C0] start_kernel+0x882/0x8bd
[ 60.878454][ C0] ? mem_encrypt_init+0xb/0xb
[ 60.883134][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 60.889357][ C0] ? x86_family+0x41/0x50
[ 60.893667][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 60.899886][ C0] x86_64_start_reservations+0x29/0x2b
[ 60.905320][ C0] x86_64_start_kernel+0x77/0x7b
[ 60.910342][ C0] secondary_startup_64+0xa4/0xb0
[ 60.916422][ C0] Kernel Offset: disabled
[ 60.920790][ C0] Rebooting in 86400 seconds..