[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[ 80.998857][ T30] audit: type=1800 audit(1565111158.051:25): pid=11848 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0
[ 81.032093][ T30] audit: type=1800 audit(1565111158.081:26): pid=11848 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[ 81.052341][ T30] audit: type=1800 audit(1565111158.081:27): pid=11848 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 '10.128.1.23' (ECDSA) to the list of known hosts.
2019/08/06 17:06:11 fuzzer started
2019/08/06 17:06:17 dialing manager at 10.128.0.26:44947
2019/08/06 17:06:17 syscalls: 2367
2019/08/06 17:06:17 code coverage: enabled
2019/08/06 17:06:17 comparison tracing: CONFIG_KCOV_ENABLE_COMPARISONS is not enabled
2019/08/06 17:06:17 extra coverage: enabled
2019/08/06 17:06:17 setuid sandbox: enabled
2019/08/06 17:06:17 namespace sandbox: enabled
2019/08/06 17:06:17 Android sandbox: /sys/fs/selinux/policy does not exist
2019/08/06 17:06:17 fault injection: enabled
2019/08/06 17:06:17 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/08/06 17:06:17 net packet injection: enabled
2019/08/06 17:06:17 net device setup: enabled
syzkaller login: [ 136.082743][ C0] ==================================================================
[ 136.090880][ C0] BUG: KMSAN: uninit-value in kmem_cache_alloc_node+0x5d0/0xe70
[ 136.098519][ C0] CPU: 0 PID: 11996 Comm: syz-fuzzer Not tainted 5.3.0-rc3+ #16
[ 136.106139][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 136.116289][ C0] Call Trace:
[ 136.119570][ C0]
[ 136.122431][ C0] dump_stack+0x191/0x1f0
[ 136.126765][ C0] kmsan_report+0x162/0x2d0
[ 136.131280][ C0] __msan_warning+0x75/0xe0
[ 136.135796][ C0] kmem_cache_alloc_node+0x5d0/0xe70
[ 136.141185][ C0] ? __alloc_skb+0x215/0xa10
[ 136.145811][ C0] __alloc_skb+0x215/0xa10
[ 136.150252][ C0] aoecmd_cfg+0x205/0xa80
[ 136.154602][ C0] discover_timer+0x86/0xa0
[ 136.159086][ C0] call_timer_fn+0x232/0x530
[ 136.163794][ C0] ? skbfree+0x4a0/0x4a0
[ 136.168013][ C0] __run_timers+0xcdc/0x11a0
[ 136.172685][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20
[ 136.178773][ C0] ? skbfree+0x4a0/0x4a0
[ 136.183099][ C0] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0
[ 136.189068][ C0] run_timer_softirq+0x2d/0x50
[ 136.193815][ C0] ? timers_dead_cpu+0x9d0/0x9d0
[ 136.198733][ C0] __do_softirq+0x4a1/0x83a
[ 136.203223][ C0] irq_exit+0x230/0x280
[ 136.207358][ C0] exiting_irq+0xe/0x10
[ 136.211535][ C0] smp_apic_timer_interrupt+0x48/0x70
[ 136.216935][ C0] apic_timer_interrupt+0x2e/0x40
[ 136.221934][ C0]
[ 136.224856][ C0] RIP: 0033:0x60376a
[ 136.228727][ C0] Code: 44 24 50 00 00 00 00 48 89 44 24 58 48 89 4c 24 60 48 8b 6c 24 30 48 83 c4 38 c3 8b 53 18 89 d7 81 e2 ff 01 00 00 8b 54 90 08 <41> 89 d0 83 e2 0f 48 83 fa 09 0f 86 33 01 00 00 48 8b 90 10 08 00
[ 136.248316][ C0] RSP: 002b:000000c4202cd998 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
[ 136.256711][ C0] RAX: 000000c42001c628 RBX: 000000c42001c600 RCX: 0000000000000000
[ 136.264666][ C0] RDX: 0000000000001026 RSI: 0000000000000012 RDI: 00000000000143c2
[ 136.272617][ C0] RBP: 000000c4202cd9c8 R08: 00000000000009f9 R09: 00000000000003c2
[ 136.280633][ C0] R10: ffffffffffffffff R11: 0000000000001fa3 R12: 0000000000000008
[ 136.288586][ C0] R13: 0000000000000008 R14: 0000000000000004 R15: ffffffffffffffff
[ 136.296557][ C0]
[ 136.298863][ C0] Uninit was stored to memory at:
[ 136.303883][ C0] kmsan_internal_chain_origin+0xcc/0x150
[ 136.309666][ C0] __msan_chain_origin+0x6b/0xe0
[ 136.314689][ C0] ___slab_alloc+0x1dbc/0x1fb0
[ 136.319431][ C0] kmem_cache_alloc_node+0x769/0xe70
[ 136.324818][ C0] __alloc_skb+0x215/0xa10
[ 136.329216][ C0] aoecmd_cfg+0x205/0xa80
[ 136.333538][ C0] discover_timer+0x86/0xa0
[ 136.338029][ C0] call_timer_fn+0x232/0x530
[ 136.342592][ C0] __run_timers+0xcdc/0x11a0
[ 136.347158][ C0] run_timer_softirq+0x2d/0x50
[ 136.351904][ C0] __do_softirq+0x4a1/0x83a
[ 136.356388][ C0] irq_exit+0x230/0x280
[ 136.360611][ C0] exiting_irq+0xe/0x10
[ 136.364747][ C0] smp_apic_timer_interrupt+0x48/0x70
[ 136.370095][ C0] apic_timer_interrupt+0x2e/0x40
[ 136.375090][ C0]
[ 136.377394][ C0] Uninit was created at:
[ 136.381613][ C0] kmsan_internal_poison_shadow+0x53/0xa0
[ 136.387333][ C0] kmsan_slab_free+0x8d/0x100
[ 136.392015][ C0] kmem_cache_free_bulk+0x3ad9/0x3f50
[ 136.397370][ C0] __kfree_skb_flush+0xb0/0x100
[ 136.402196][ C0] net_rx_action+0x1908/0x1950
[ 136.406936][ C0] __do_softirq+0x4a1/0x83a
[ 136.411415][ C0] irq_exit+0x230/0x280
[ 136.415546][ C0] do_IRQ+0x20d/0x3a0
[ 136.419511][ C0] ret_from_intr+0x0/0x33
[ 136.423842][ C0] default_idle+0x53/0x90
[ 136.428157][ C0] arch_cpu_idle+0x25/0x30
[ 136.432560][ C0] do_idle+0x1d7/0x790
[ 136.436606][ C0] cpu_startup_entry+0x45/0x50
[ 136.441342][ C0] rest_init+0x1be/0x1f0
[ 136.445566][ C0] arch_call_rest_init+0x13/0x15
[ 136.450482][ C0] start_kernel+0x991/0xb61
[ 136.454961][ C0] x86_64_start_reservations+0x18/0x2e
[ 136.460394][ C0] x86_64_start_kernel+0x81/0x84
[ 136.465319][ C0] secondary_startup_64+0xa4/0xb0
[ 136.470318][ C0] ==================================================================
[ 136.478352][ C0] Disabling lock debugging due to kernel taint
[ 136.484481][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 136.491047][ C0] CPU: 0 PID: 11996 Comm: syz-fuzzer Tainted: G B 5.3.0-rc3+ #16
[ 136.500037][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 136.510072][ C0] Call Trace:
[ 136.513336][ C0]
[ 136.516173][ C0] dump_stack+0x191/0x1f0
[ 136.520491][ C0] panic+0x3c9/0xc1e
[ 136.524399][ C0] kmsan_report+0x2ca/0x2d0
[ 136.528920][ C0] __msan_warning+0x75/0xe0
[ 136.533412][ C0] kmem_cache_alloc_node+0x5d0/0xe70
[ 136.538679][ C0] ? __alloc_skb+0x215/0xa10
[ 136.543286][ C0] __alloc_skb+0x215/0xa10
[ 136.547713][ C0] aoecmd_cfg+0x205/0xa80
[ 136.552034][ C0] discover_timer+0x86/0xa0
[ 136.556526][ C0] call_timer_fn+0x232/0x530
[ 136.561099][ C0] ? skbfree+0x4a0/0x4a0
[ 136.565320][ C0] __run_timers+0xcdc/0x11a0
[ 136.569890][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20
[ 136.575942][ C0] ? skbfree+0x4a0/0x4a0
[ 136.580169][ C0] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0
[ 136.586135][ C0] run_timer_softirq+0x2d/0x50
[ 136.590986][ C0] ? timers_dead_cpu+0x9d0/0x9d0
[ 136.595906][ C0] __do_softirq+0x4a1/0x83a
[ 136.600396][ C0] irq_exit+0x230/0x280
[ 136.604532][ C0] exiting_irq+0xe/0x10
[ 136.608667][ C0] smp_apic_timer_interrupt+0x48/0x70
[ 136.614017][ C0] apic_timer_interrupt+0x2e/0x40
[ 136.619216][ C0]
[ 136.622144][ C0] RIP: 0033:0x60376a
[ 136.626021][ C0] Code: 44 24 50 00 00 00 00 48 89 44 24 58 48 89 4c 24 60 48 8b 6c 24 30 48 83 c4 38 c3 8b 53 18 89 d7 81 e2 ff 01 00 00 8b 54 90 08 <41> 89 d0 83 e2 0f 48 83 fa 09 0f 86 33 01 00 00 48 8b 90 10 08 00
[ 136.645608][ C0] RSP: 002b:000000c4202cd998 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
[ 136.654020][ C0] RAX: 000000c42001c628 RBX: 000000c42001c600 RCX: 0000000000000000
[ 136.661983][ C0] RDX: 0000000000001026 RSI: 0000000000000012 RDI: 00000000000143c2
[ 136.669933][ C0] RBP: 000000c4202cd9c8 R08: 00000000000009f9 R09: 00000000000003c2
[ 136.677889][ C0] R10: ffffffffffffffff R11: 0000000000001fa3 R12: 0000000000000008
[ 136.685840][ C0] R13: 0000000000000008 R14: 0000000000000004 R15: ffffffffffffffff
[ 136.695243][ C0] Kernel Offset: disabled
[ 136.699594][ C0] Rebooting in 86400 seconds..