[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[ 74.481552][ T30] audit: type=1800 audit(1568946809.558:25): pid=11227 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0
[ 74.504358][ T30] audit: type=1800 audit(1568946809.578:26): pid=11227 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[ 74.548236][ T30] audit: type=1800 audit(1568946809.608:27): pid=11227 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.
Debian GNU/Linux 7 syzkaller ttyS0
Warning: Permanently added '10.128.0.121' (ECDSA) to the list of known hosts.
2019/09/20 02:33:43 fuzzer started
2019/09/20 02:33:47 dialing manager at 10.128.0.26:33539
2019/09/20 02:33:48 syscalls: 2382
2019/09/20 02:33:48 code coverage: enabled
2019/09/20 02:33:48 comparison tracing: CONFIG_KCOV_ENABLE_COMPARISONS is not enabled
2019/09/20 02:33:48 extra coverage: enabled
2019/09/20 02:33:48 setuid sandbox: enabled
2019/09/20 02:33:48 namespace sandbox: enabled
2019/09/20 02:33:48 Android sandbox: /sys/fs/selinux/policy does not exist
2019/09/20 02:33:48 fault injection: enabled
2019/09/20 02:33:48 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/09/20 02:33:48 net packet injection: enabled
2019/09/20 02:33:48 net device setup: enabled
syzkaller login: [ 136.065598][ C0] ==================================================================
[ 136.073737][ C0] BUG: KMSAN: uninit-value in kmem_cache_alloc_node+0x5d0/0xe70
[ 136.081358][ C0] CPU: 0 PID: 11390 Comm: syz-fuzzer Not tainted 5.3.0-rc7+ #0
[ 136.088872][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 136.098901][ C0] Call Trace:
[ 136.102160][ C0]
[ 136.104999][ C0] dump_stack+0x191/0x1f0
[ 136.109310][ C0] kmsan_report+0x162/0x2d0
[ 136.113796][ C0] __msan_warning+0x75/0xe0
[ 136.118282][ C0] kmem_cache_alloc_node+0x5d0/0xe70
[ 136.123545][ C0] ? kmsan_get_shadow_origin_ptr+0x71/0x4c0
[ 136.129418][ C0] ? __alloc_skb+0x215/0xa10
[ 136.133999][ C0] __alloc_skb+0x215/0xa10
[ 136.138396][ C0] ? kmsan_get_shadow_origin_ptr+0x1/0x4c0
[ 136.144181][ C0] aoecmd_cfg+0x205/0xa80
[ 136.148497][ C0] discover_timer+0x86/0xa0
[ 136.153023][ C0] call_timer_fn+0x232/0x530
[ 136.157591][ C0] ? skbfree+0x4a0/0x4a0
[ 136.161853][ C0] __run_timers+0xcdc/0x11a0
[ 136.166421][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20
[ 136.172497][ C0] ? skbfree+0x4a0/0x4a0
[ 136.176723][ C0] ? timers_dead_cpu+0x9d0/0x9d0
[ 136.181637][ C0] ? kmsan_get_shadow_origin_ptr+0x71/0x4c0
[ 136.187525][ C0] run_timer_softirq+0x2d/0x50
[ 136.192264][ C0] ? timers_dead_cpu+0x9d0/0x9d0
[ 136.197181][ C0] __do_softirq+0x4a1/0x83a
[ 136.201673][ C0] irq_exit+0x230/0x280
[ 136.205907][ C0] exiting_irq+0xe/0x10
[ 136.210054][ C0] smp_apic_timer_interrupt+0x48/0x70
[ 136.215400][ C0] apic_timer_interrupt+0x2e/0x40
[ 136.220396][ C0]
[ 136.223312][ C0] RIP: 0033:0x45ced8
[ 136.227187][ C0] Code: 00 00 48 83 fb 04 0f 86 95 01 00 00 48 83 fb 08 0f 82 94 01 00 00 0f 84 95 01 00 00 48 83 fb 10 0f 86 8f 01 00 00 66 0f ef c0 <48> 83 fb 20 0f 86 8a 01 00 00 48 83 fb 40 0f 86 8b 01 00 00 48 81
[ 136.246770][ C0] RSP: 002b:000000c422938fc8 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
[ 136.255166][ C0] RAX: 0000000000000000 RBX: 0000000000000090 RCX: 0000000000000090
[ 136.263112][ C0] RDX: 000000c42558a5a0 RSI: 0000000000000090 RDI: 000000c42558a5a0
[ 136.271062][ C0] RBP: 000000c422938fe8 R08: 0000000000000004 R09: 0000000000000001
[ 136.279015][ C0] R10: 000000c425581aa0 R11: 0000000000000000 R12: 000000c425581598
[ 136.286962][ C0] R13: 000000c425581ae4 R14: 00000000017227c0 R15: 0000000000000008
[ 136.294943][ C0]
[ 136.297252][ C0] Uninit was stored to memory at:
[ 136.302265][ C0] kmsan_internal_chain_origin+0xcc/0x150
[ 136.307973][ C0] __msan_chain_origin+0x6b/0xe0
[ 136.312898][ C0] ___slab_alloc+0x1dbc/0x1fb0
[ 136.317640][ C0] kmem_cache_alloc_node+0x769/0xe70
[ 136.322906][ C0] __alloc_skb+0x215/0xa10
[ 136.327296][ C0] aoecmd_cfg+0x205/0xa80
[ 136.331603][ C0] discover_timer+0x86/0xa0
[ 136.336081][ C0] call_timer_fn+0x232/0x530
[ 136.340642][ C0] __run_timers+0xcdc/0x11a0
[ 136.345300][ C0] run_timer_softirq+0x2d/0x50
[ 136.350039][ C0] __do_softirq+0x4a1/0x83a
[ 136.354515][ C0] irq_exit+0x230/0x280
[ 136.358645][ C0] exiting_irq+0xe/0x10
[ 136.362772][ C0] smp_apic_timer_interrupt+0x48/0x70
[ 136.368126][ C0] apic_timer_interrupt+0x2e/0x40
[ 136.373121][ C0]
[ 136.375424][ C0] Uninit was created at:
[ 136.379655][ C0] kmsan_internal_poison_shadow+0x58/0xb0
[ 136.385361][ C0] kmsan_slab_free+0x8d/0x100
[ 136.390018][ C0] kmem_cache_free_bulk+0x3ad9/0x3f50
[ 136.395368][ C0] __kfree_skb_flush+0xb0/0x100
[ 136.400290][ C0] net_rx_action+0x1908/0x1950
[ 136.405041][ C0] __do_softirq+0x4a1/0x83a
[ 136.409525][ C0] irq_exit+0x230/0x280
[ 136.413655][ C0] do_IRQ+0x20d/0x3a0
[ 136.417626][ C0] ret_from_intr+0x0/0x33
[ 136.421927][ C0] ==================================================================
[ 136.429974][ C0] Disabling lock debugging due to kernel taint
[ 136.436107][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 136.442673][ C0] CPU: 0 PID: 11390 Comm: syz-fuzzer Tainted: G B 5.3.0-rc7+ #0
[ 136.451581][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 136.462744][ C0] Call Trace:
[ 136.466005][ C0]
[ 136.468846][ C0] dump_stack+0x191/0x1f0
[ 136.473162][ C0] panic+0x3c9/0xc1e
[ 136.477087][ C0] kmsan_report+0x2ca/0x2d0
[ 136.481573][ C0] __msan_warning+0x75/0xe0
[ 136.486060][ C0] kmem_cache_alloc_node+0x5d0/0xe70
[ 136.491328][ C0] ? kmsan_get_shadow_origin_ptr+0x71/0x4c0
[ 136.497202][ C0] ? __alloc_skb+0x215/0xa10
[ 136.501779][ C0] __alloc_skb+0x215/0xa10
[ 136.506177][ C0] ? kmsan_get_shadow_origin_ptr+0x1/0x4c0
[ 136.511975][ C0] aoecmd_cfg+0x205/0xa80
[ 136.516293][ C0] discover_timer+0x86/0xa0
[ 136.520786][ C0] call_timer_fn+0x232/0x530
[ 136.525375][ C0] ? skbfree+0x4a0/0x4a0
[ 136.529595][ C0] __run_timers+0xcdc/0x11a0
[ 136.534163][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20
[ 136.540208][ C0] ? skbfree+0x4a0/0x4a0
[ 136.544436][ C0] ? timers_dead_cpu+0x9d0/0x9d0
[ 136.549352][ C0] ? kmsan_get_shadow_origin_ptr+0x71/0x4c0
[ 136.555333][ C0] run_timer_softirq+0x2d/0x50
[ 136.560076][ C0] ? timers_dead_cpu+0x9d0/0x9d0
[ 136.564993][ C0] __do_softirq+0x4a1/0x83a
[ 136.569484][ C0] irq_exit+0x230/0x280
[ 136.573627][ C0] exiting_irq+0xe/0x10
[ 136.577783][ C0] smp_apic_timer_interrupt+0x48/0x70
[ 136.583145][ C0] apic_timer_interrupt+0x2e/0x40
[ 136.588153][ C0]
[ 136.591071][ C0] RIP: 0033:0x45ced8
[ 136.594965][ C0] Code: 00 00 48 83 fb 04 0f 86 95 01 00 00 48 83 fb 08 0f 82 94 01 00 00 0f 84 95 01 00 00 48 83 fb 10 0f 86 8f 01 00 00 66 0f ef c0 <48> 83 fb 20 0f 86 8a 01 00 00 48 83 fb 40 0f 86 8b 01 00 00 48 81
[ 136.614553][ C0] RSP: 002b:000000c422938fc8 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
[ 136.622948][ C0] RAX: 0000000000000000 RBX: 0000000000000090 RCX: 0000000000000090
[ 136.630899][ C0] RDX: 000000c42558a5a0 RSI: 0000000000000090 RDI: 000000c42558a5a0
[ 136.638857][ C0] RBP: 000000c422938fe8 R08: 0000000000000004 R09: 0000000000000001
[ 136.646811][ C0] R10: 000000c425581aa0 R11: 0000000000000000 R12: 000000c425581598
[ 136.654764][ C0] R13: 000000c425581ae4 R14: 00000000017227c0 R15: 0000000000000008
[ 136.664146][ C0] Kernel Offset: disabled
[ 136.668497][ C0] Rebooting in 86400 seconds..