[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[ 105.369898][ T32] audit: type=1800 audit(1565445416.413:25): pid=11778 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0
[ 105.395030][ T32] audit: type=1800 audit(1565445416.443:26): pid=11778 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[ 105.432584][ T32] audit: type=1800 audit(1565445416.463:27): pid=11778 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 '10.128.0.194' (ECDSA) to the list of known hosts.
2019/08/10 13:57:14 fuzzer started
2019/08/10 13:57:20 dialing manager at 10.128.0.26:38049
2019/08/10 13:57:20 syscalls: 2374
2019/08/10 13:57:20 code coverage: enabled
2019/08/10 13:57:20 comparison tracing: CONFIG_KCOV_ENABLE_COMPARISONS is not enabled
2019/08/10 13:57:20 extra coverage: enabled
2019/08/10 13:57:20 setuid sandbox: enabled
2019/08/10 13:57:20 namespace sandbox: enabled
2019/08/10 13:57:20 Android sandbox: /sys/fs/selinux/policy does not exist
2019/08/10 13:57:20 fault injection: enabled
2019/08/10 13:57:20 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/08/10 13:57:20 net packet injection: enabled
2019/08/10 13:57:20 net device setup: enabled
syzkaller login: [ 258.994515][ C0] ==================================================================
[ 259.003196][ C0] BUG: KMSAN: uninit-value in kmem_cache_alloc_node+0x5d0/0xe70
[ 259.011025][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0-rc3+ #17
[ 259.018302][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 259.029243][ C0] Call Trace:
[ 259.032558][ C0]
[ 259.035539][ C0] dump_stack+0x191/0x1f0
[ 259.039910][ C0] kmsan_report+0x162/0x2d0
[ 259.044463][ C0] __msan_warning+0x75/0xe0
[ 259.049197][ C0] kmem_cache_alloc_node+0x5d0/0xe70
[ 259.054629][ C0] ? __alloc_skb+0x215/0xa10
[ 259.059392][ C0] __alloc_skb+0x215/0xa10
[ 259.063946][ C0] aoecmd_cfg+0x205/0xa80
[ 259.068372][ C0] discover_timer+0x86/0xa0
[ 259.072981][ C0] call_timer_fn+0x232/0x530
[ 259.077611][ C0] ? skbfree+0x4a0/0x4a0
[ 259.081895][ C0] __run_timers+0xcdc/0x11a0
[ 259.086509][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20
[ 259.092617][ C0] ? skbfree+0x4a0/0x4a0
[ 259.096940][ C0] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0
[ 259.102949][ C0] run_timer_softirq+0x2d/0x50
[ 259.107737][ C0] ? timers_dead_cpu+0x9d0/0x9d0
[ 259.112772][ C0] __do_softirq+0x4a1/0x83a
[ 259.117445][ C0] irq_exit+0x230/0x280
[ 259.121685][ C0] exiting_irq+0xe/0x10
[ 259.125869][ C0] smp_apic_timer_interrupt+0x48/0x70
[ 259.131283][ C0] apic_timer_interrupt+0x2e/0x40
[ 259.136322][ C0]
[ 259.139354][ C0] RIP: 0010:default_idle+0x53/0x90
[ 259.144573][ C0] Code: 43 51 ed f2 44 8b 35 f4 c0 d3 01 48 c7 c7 78 c5 25 90 e8 10 3c b3 f3 83 38 00 75 31 45 85 f6 7e 07 0f 00 2d 6f 4a 4f 00 fb f4 <65> 8b 35 8e ae b0 71 c7 03 00 00 00 00 c7 43 08 00 00 00 00 bf ff
[ 259.164381][ C0] RSP: 0018:ffffffff8f60fda0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 259.172892][ C0] RAX: ffff888217c46578 RBX: ffffffff8f638b60 RCX: ccccccccccccd000
[ 259.180886][ C0] RDX: ffff888207e3f578 RSI: ffffea000a76d5e0 RDI: ffffffff9025c578
[ 259.188884][ C0] RBP: ffffffff8f60fdb0 R08: ffffea000000000f R09: ffff88812fffb000
[ 259.196955][ C0] R10: 0000000000000004 R11: ffffffff8e520450 R12: 0000000000000000
[ 259.204954][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8f638b60
[ 259.213088][ C0] ? __cpuidle_text_start+0x8/0x8
[ 259.218150][ C0] ? __cpuidle_text_start+0x8/0x8
[ 259.223240][ C0] arch_cpu_idle+0x25/0x30
[ 259.227725][ C0] do_idle+0x1d7/0x790
[ 259.231838][ C0] cpu_startup_entry+0x45/0x50
[ 259.236631][ C0] rest_init+0x1be/0x1f0
[ 259.241080][ C0] arch_call_rest_init+0x13/0x15
[ 259.246057][ C0] start_kernel+0x991/0xb61
[ 259.250609][ C0] x86_64_start_reservations+0x18/0x2e
[ 259.256180][ C0] x86_64_start_kernel+0x81/0x84
[ 259.261184][ C0] secondary_startup_64+0xa4/0xb0
[ 259.266245][ C0]
[ 259.268579][ C0] Uninit was stored to memory at:
[ 259.273683][ C0] kmsan_internal_chain_origin+0xcc/0x150
[ 259.279451][ C0] __msan_chain_origin+0x6b/0xe0
[ 259.284421][ C0] ___slab_alloc+0x1dbc/0x1fb0
[ 259.289206][ C0] kmem_cache_alloc_node+0x769/0xe70
[ 259.294510][ C0] __alloc_skb+0x215/0xa10
[ 259.298948][ C0] aoecmd_cfg+0x205/0xa80
[ 259.303295][ C0] discover_timer+0x86/0xa0
[ 259.307819][ C0] call_timer_fn+0x232/0x530
[ 259.312516][ C0] __run_timers+0xcdc/0x11a0
[ 259.317133][ C0] run_timer_softirq+0x2d/0x50
[ 259.321953][ C0] __do_softirq+0x4a1/0x83a
[ 259.326478][ C0] irq_exit+0x230/0x280
[ 259.330654][ C0] exiting_irq+0xe/0x10
[ 259.334830][ C0] smp_apic_timer_interrupt+0x48/0x70
[ 259.340228][ C0] apic_timer_interrupt+0x2e/0x40
[ 259.345273][ C0] default_idle+0x53/0x90
[ 259.349796][ C0] arch_cpu_idle+0x25/0x30
[ 259.354227][ C0] do_idle+0x1d7/0x790
[ 259.358304][ C0] cpu_startup_entry+0x45/0x50
[ 259.363082][ C0] rest_init+0x1be/0x1f0
[ 259.367340][ C0] arch_call_rest_init+0x13/0x15
[ 259.372286][ C0] start_kernel+0x991/0xb61
[ 259.377217][ C0] x86_64_start_reservations+0x18/0x2e
[ 259.382691][ C0] x86_64_start_kernel+0x81/0x84
[ 259.387645][ C0] secondary_startup_64+0xa4/0xb0
[ 259.392670][ C0]
[ 259.395004][ C0] Uninit was created at:
[ 259.399254][ C0] kmsan_internal_poison_shadow+0x53/0xa0
[ 259.404983][ C0] kmsan_slab_free+0x8d/0x100
[ 259.409678][ C0] kmem_cache_free_bulk+0x3ad9/0x3f50
[ 259.415065][ C0] __kfree_skb_flush+0xb0/0x100
[ 259.419957][ C0] net_rx_action+0x1908/0x1950
[ 259.424736][ C0] __do_softirq+0x4a1/0x83a
[ 259.429286][ C0] irq_exit+0x230/0x280
[ 259.433561][ C0] do_IRQ+0x20d/0x3a0
[ 259.437611][ C0] ret_from_intr+0x0/0x33
[ 259.441956][ C0] default_idle+0x53/0x90
[ 259.446319][ C0] arch_cpu_idle+0x25/0x30
[ 259.450748][ C0] do_idle+0x1d7/0x790
[ 259.454833][ C0] cpu_startup_entry+0x45/0x50
[ 259.459612][ C0] rest_init+0x1be/0x1f0
[ 259.463868][ C0] arch_call_rest_init+0x13/0x15
[ 259.468815][ C0] start_kernel+0x991/0xb61
[ 259.473327][ C0] x86_64_start_reservations+0x18/0x2e
[ 259.478917][ C0] x86_64_start_kernel+0x81/0x84
[ 259.483876][ C0] secondary_startup_64+0xa4/0xb0
[ 259.488907][ C0] ==================================================================
[ 259.496974][ C0] Disabling lock debugging due to kernel taint
[ 259.503207][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 259.511680][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 5.3.0-rc3+ #17
[ 259.520292][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 259.530366][ C0] Call Trace:
[ 259.533665][ C0]
[ 259.536545][ C0] dump_stack+0x191/0x1f0
[ 259.540972][ C0] panic+0x3c9/0xc1e
[ 259.544946][ C0] kmsan_report+0x2ca/0x2d0
[ 259.549484][ C0] __msan_warning+0x75/0xe0
[ 259.554018][ C0] kmem_cache_alloc_node+0x5d0/0xe70
[ 259.559336][ C0] ? __alloc_skb+0x215/0xa10
[ 259.563982][ C0] __alloc_skb+0x215/0xa10
[ 259.568454][ C0] aoecmd_cfg+0x205/0xa80
[ 259.572836][ C0] discover_timer+0x86/0xa0
[ 259.577365][ C0] call_timer_fn+0x232/0x530
[ 259.582009][ C0] ? skbfree+0x4a0/0x4a0
[ 259.586284][ C0] __run_timers+0xcdc/0x11a0
[ 259.590982][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20
[ 259.597075][ C0] ? skbfree+0x4a0/0x4a0
[ 259.601357][ C0] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0
[ 259.607368][ C0] run_timer_softirq+0x2d/0x50
[ 259.612150][ C0] ? timers_dead_cpu+0x9d0/0x9d0
[ 259.617114][ C0] __do_softirq+0x4a1/0x83a
[ 259.621656][ C0] irq_exit+0x230/0x280
[ 259.625837][ C0] exiting_irq+0xe/0x10
[ 259.630018][ C0] smp_apic_timer_interrupt+0x48/0x70
[ 259.635408][ C0] apic_timer_interrupt+0x2e/0x40
[ 259.640475][ C0]
[ 259.643453][ C0] RIP: 0010:default_idle+0x53/0x90
[ 259.648584][ C0] Code: 43 51 ed f2 44 8b 35 f4 c0 d3 01 48 c7 c7 78 c5 25 90 e8 10 3c b3 f3 83 38 00 75 31 45 85 f6 7e 07 0f 00 2d 6f 4a 4f 00 fb f4 <65> 8b 35 8e ae b0 71 c7 03 00 00 00 00 c7 43 08 00 00 00 00 bf ff
[ 259.668646][ C0] RSP: 0018:ffffffff8f60fda0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 259.677081][ C0] RAX: ffff888217c46578 RBX: ffffffff8f638b60 RCX: ccccccccccccd000
[ 259.685074][ C0] RDX: ffff888207e3f578 RSI: ffffea000a76d5e0 RDI: ffffffff9025c578
[ 259.693080][ C0] RBP: ffffffff8f60fdb0 R08: ffffea000000000f R09: ffff88812fffb000
[ 259.701064][ C0] R10: 0000000000000004 R11: ffffffff8e520450 R12: 0000000000000000
[ 259.709045][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8f638b60
[ 259.717062][ C0] ? __cpuidle_text_start+0x8/0x8
[ 259.722139][ C0] ? __cpuidle_text_start+0x8/0x8
[ 259.727183][ C0] arch_cpu_idle+0x25/0x30
[ 259.731617][ C0] do_idle+0x1d7/0x790
[ 259.735799][ C0] cpu_startup_entry+0x45/0x50
[ 259.740584][ C0] rest_init+0x1be/0x1f0
[ 259.744855][ C0] arch_call_rest_init+0x13/0x15
[ 259.749813][ C0] start_kernel+0x991/0xb61
[ 259.754380][ C0] x86_64_start_reservations+0x18/0x2e
[ 259.759857][ C0] x86_64_start_kernel+0x81/0x84
[ 259.764841][ C0] secondary_startup_64+0xa4/0xb0
[ 259.771478][ C0] Kernel Offset: disabled
[ 259.775827][ C0] Rebooting in 86400 seconds..