[ 51.872267][ T25] audit: type=1800 audit(1573479223.527:27): pid=7811 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2469 res=0
[ 51.909307][ T25] audit: type=1800 audit(1573479223.527:28): pid=7811 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2450 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.
[ 52.703769][ T25] audit: type=1800 audit(1573479224.447:29): pid=7811 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0
[ 52.724031][ T25] audit: type=1800 audit(1573479224.447:30): pid=7811 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0
Debian GNU/Linux 7 syzkaller ttyS0
Warning: Permanently added '10.128.10.33' (ECDSA) to the list of known hosts.
2019/11/11 13:33:53 fuzzer started
2019/11/11 13:33:55 dialing manager at 10.128.0.105:33901
2019/11/11 13:33:55 syscalls: 2553
2019/11/11 13:33:55 code coverage: enabled
2019/11/11 13:33:55 comparison tracing: enabled
2019/11/11 13:33:55 extra coverage: extra coverage is not supported by the kernel
2019/11/11 13:33:55 setuid sandbox: enabled
2019/11/11 13:33:55 namespace sandbox: enabled
2019/11/11 13:33:55 Android sandbox: /sys/fs/selinux/policy does not exist
2019/11/11 13:33:55 fault injection: enabled
2019/11/11 13:33:55 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/11/11 13:33:55 net packet injection: enabled
2019/11/11 13:33:55 net device setup: enabled
2019/11/11 13:33:55 concurrency sanitizer: enabled
2019/11/11 13:33:55 devlink PCI setup: PCI device 0000:00:10.0 is not available
syzkaller login: [ 79.112630][ T0] ==================================================================
[ 79.120805][ T0] BUG: KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64
[ 79.129829][ T0]
[ 79.132161][ T0] write to 0xffffffff86043008 of 8 bytes by interrupt on cpu 0:
[ 79.139797][ T0] tick_do_update_jiffies64+0x100/0x250
[ 79.145357][ T0] tick_sched_do_timer+0xd4/0xe0
[ 79.150298][ T0] tick_sched_timer+0x43/0xe0
[ 79.154971][ T0] __hrtimer_run_queues+0x274/0x5f0
[ 79.160179][ T0] hrtimer_interrupt+0x22a/0x480
[ 79.165124][ T0] smp_apic_timer_interrupt+0xdc/0x280
[ 79.170591][ T0] apic_timer_interrupt+0xf/0x20
[ 79.175528][ T0] _raw_spin_unlock_irq+0x4e/0x80
[ 79.180561][ T0] run_timer_softirq+0xbbe/0xcd0
[ 79.185512][ T0] __do_softirq+0x115/0x33f
[ 79.190016][ T0] irq_exit+0xbb/0xe0
[ 79.193996][ T0] smp_apic_timer_interrupt+0xe6/0x280
[ 79.199458][ T0] apic_timer_interrupt+0xf/0x20
[ 79.204420][ T0] _raw_spin_unlock_irqrestore+0x51/0x80
[ 79.210062][ T0] debugfs_write+0x1b8/0x2d0
[ 79.214665][ T0] full_proxy_write+0xbd/0x100
[ 79.219434][ T0] __vfs_write+0x67/0xc0
[ 79.223689][ T0] vfs_write+0x18a/0x390
[ 79.227965][ T0] ksys_write+0xd5/0x1b0
[ 79.232204][ T0] __x64_sys_write+0x4c/0x60
[ 79.236795][ T0] do_syscall_64+0xcc/0x370
[ 79.241393][ T0] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 79.247892][ T0]
[ 79.250230][ T0] read to 0xffffffff86043008 of 8 bytes by task 0 on cpu 1:
[ 79.257534][ T0] tick_do_update_jiffies64+0x2b/0x250
[ 79.263081][ T0] tick_irq_enter+0x139/0x1c0
[ 79.267757][ T0] irq_enter+0x4f/0x60
[ 79.271830][ T0] scheduler_ipi+0xaf/0x140
[ 79.276340][ T0] smp_reschedule_interrupt+0x6c/0x1d0
[ 79.281798][ T0] reschedule_interrupt+0xf/0x20
[ 79.286741][ T0] native_safe_halt+0xe/0x10
[ 79.291340][ T0] arch_cpu_idle+0x1f/0x30
[ 79.295755][ T0] default_idle_call+0x1e/0x40
[ 79.300518][ T0] do_idle+0x1af/0x280
[ 79.304595][ T0] cpu_startup_entry+0x1b/0x20
[ 79.309358][ T0] start_secondary+0x208/0x260
[ 79.314127][ T0] secondary_startup_64+0xa4/0xb0
[ 79.319142][ T0]
[ 79.321462][ T0] Reported by Kernel Concurrency Sanitizer on:
[ 79.327629][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-rc6+ #0
[ 79.334747][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 79.344802][ T0] ==================================================================
[ 79.352870][ T0] Kernel panic - not syncing: panic_on_warn set ...
[ 79.359468][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-rc6+ #0
[ 79.366575][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 79.376627][ T0] Call Trace:
[ 79.379905][ T0]
[ 79.382777][ T0] dump_stack+0xf5/0x159
[ 79.387024][ T0] panic+0x210/0x640
[ 79.390927][ T0] ? vprintk_func+0x8d/0x140
[ 79.395527][ T0] kcsan_report.cold+0xc/0xe
[ 79.400128][ T0] kcsan_setup_watchpoint+0x3fe/0x410
[ 79.405512][ T0] __tsan_read8+0x145/0x1f0
[ 79.410030][ T0] tick_do_update_jiffies64+0x2b/0x250
[ 79.415583][ T0] tick_irq_enter+0x139/0x1c0
[ 79.420267][ T0] irq_enter+0x4f/0x60
[ 79.424342][ T0] scheduler_ipi+0xaf/0x140
[ 79.428877][ T0] smp_reschedule_interrupt+0x6c/0x1d0
[ 79.434344][ T0] reschedule_interrupt+0xf/0x20
[ 79.439271][ T0]
[ 79.442216][ T0] RIP: 0010:native_safe_halt+0xe/0x10
[ 79.447601][ T0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d 6c 00 4c 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 5c 00 4c 00 fb f4 90 55 48 89 e5 41 55 41 54 53 e8 32 36 a4 fc e8 4d 82 b8 fd 0f
[ 79.467208][ T0] RSP: 0018:ffffc90000cd3e48 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff02
[ 79.475636][ T0] RAX: 0000000000000018 RBX: ffff88812b3850c0 RCX: 0000ffffffffffff
[ 79.483610][ T0] RDX: 0000000000000000 RSI: 0000000000000016 RDI: ffffffff85a56378
[ 79.492106][ T0] RBP: ffffc90000cd3e80 R08: 0000ffff85a56378 R09: 00000000aaaaaaab
[ 79.500080][ T0] R10: 0000ffff85a5637f R11: 0000000000000000 R12: 0000000000000001
[ 79.508080][ T0] R13: ffff88812b3850c0 R14: 0000000000000000 R15: 0000000000000000
[ 79.516097][ T0] ? default_idle+0x50/0x230
[ 79.520716][ T0] arch_cpu_idle+0x1f/0x30
[ 79.525142][ T0] default_idle_call+0x1e/0x40
[ 79.529915][ T0] do_idle+0x1af/0x280
[ 79.533988][ T0] ? complete+0x44/0x50
[ 79.538162][ T0] cpu_startup_entry+0x1b/0x20
[ 79.542933][ T0] start_secondary+0x208/0x260
[ 79.547787][ T0] secondary_startup_64+0xa4/0xb0
[ 79.554443][ T0] Kernel Offset: disabled
[ 79.558778][ T0] Rebooting in 86400 seconds..