Warning: Permanently added '10.128.0.37' (ECDSA) to the list of known hosts.
2019/11/12 13:01:20 fuzzer started
2019/11/12 13:01:25 dialing manager at 10.128.0.26:44229
2019/11/12 13:01:26 syscalls: 2397
2019/11/12 13:01:26 code coverage: enabled
2019/11/12 13:01:26 comparison tracing: CONFIG_KCOV_ENABLE_COMPARISONS is not enabled
2019/11/12 13:01:26 extra coverage: enabled
2019/11/12 13:01:26 setuid sandbox: enabled
2019/11/12 13:01:26 namespace sandbox: enabled
2019/11/12 13:01:26 Android sandbox: /sys/fs/selinux/policy does not exist
2019/11/12 13:01:26 fault injection: enabled
2019/11/12 13:01:26 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/11/12 13:01:26 net packet injection: enabled
2019/11/12 13:01:26 net device setup: enabled
2019/11/12 13:01:26 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
2019/11/12 13:01:26 devlink PCI setup: PCI device 0000:00:10.0 is not available
syzkaller login: [  205.248246][    C0] =====================================================
[  205.255298][    C0] BUG: KMSAN: use-after-free in kmem_cache_free+0x3df/0x2b70
[  205.262684][    C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.4.0-rc5+ #0
[  205.269974][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  205.280033][    C0] Call Trace:
[  205.283338][    C0]  dump_stack+0x191/0x1f0
[  205.287690][    C0]  kmsan_report+0x128/0x220
[  205.292208][    C0]  __msan_warning+0x73/0xe0
[  205.296717][    C0]  kmem_cache_free+0x3df/0x2b70
[  205.301582][    C0]  ? kmsan_internal_set_origin+0x6a/0xb0
[  205.307223][    C0]  ? kfree_skb+0x473/0x4c0
[  205.311652][    C0]  ? kmsan_internal_unpoison_shadow+0x42/0x80
[  205.317757][    C0]  kfree_skb+0x473/0x4c0
[  205.322009][    C0]  ? packet_rcv_spkt+0x68d/0x7c0
[  205.326966][    C0]  packet_rcv_spkt+0x68d/0x7c0
[  205.331751][    C0]  ? packet_rcv+0x2110/0x2110
[  205.336428][    C0]  __netif_receive_skb_core+0x3aed/0x51a0
[  205.342166][    C0]  ? kmsan_get_shadow_origin_ptr+0x91/0x4b0
[  205.348166][    C0]  netif_receive_skb_internal+0x3cc/0xc20
[  205.353878][    C0]  napi_gro_receive+0x67f/0xbb0
[  205.358722][    C0]  receive_buf+0x653b/0x8810
[  205.363316][    C0]  ? kmsan_get_shadow_origin_ptr+0x91/0x4b0
[  205.369374][    C0]  virtnet_poll+0x666/0x1a10
[  205.373963][    C0]  ? refill_work+0x470/0x470
[  205.378543][    C0]  net_rx_action+0x7a6/0x1aa0
[  205.383206][    C0]  ? net_tx_action+0xc40/0xc40
[  205.387957][    C0]  __do_softirq+0x4a1/0x83a
[  205.392448][    C0]  ? ksoftirqd_should_run+0x30/0x30
[  205.397630][    C0]  ? takeover_tasklets+0x900/0x900
[  205.402717][    C0]  run_ksoftirqd+0x25/0x40
[  205.407107][    C0]  smpboot_thread_fn+0x4a3/0x990
[  205.412037][    C0]  kthread+0x4b5/0x4f0
[  205.416094][    C0]  ? cpu_report_death+0x190/0x190
[  205.421099][    C0]  ? kthread_blkcg+0xf0/0xf0
[  205.425665][    C0]  ret_from_fork+0x35/0x40
[  205.430071][    C0] 
[  205.432378][    C0] Uninit was stored to memory at:
[  205.437381][    C0]  kmsan_internal_chain_origin+0xbd/0x180
[  205.443072][    C0]  __msan_chain_origin+0x6b/0xd0
[  205.447993][    C0]  ___slab_alloc+0x1dbc/0x1fb0
[  205.452734][    C0]  kmem_cache_alloc+0xadf/0xd20
[  205.457561][    C0]  skb_clone+0x326/0x5d0
[  205.461791][    C0]  packet_rcv_spkt+0x23f/0x7c0
[  205.466531][    C0]  __netif_receive_skb_core+0x3aed/0x51a0
[  205.472231][    C0]  netif_receive_skb_internal+0x3cc/0xc20
[  205.477936][    C0]  napi_gro_receive+0x67f/0xbb0
[  205.482767][    C0]  receive_buf+0x653b/0x8810
[  205.489067][    C0]  virtnet_poll+0x666/0x1a10
[  205.493646][    C0]  net_rx_action+0x7a6/0x1aa0
[  205.498310][    C0]  __do_softirq+0x4a1/0x83a
[  205.502798][    C0]  run_ksoftirqd+0x25/0x40
[  205.507190][    C0]  smpboot_thread_fn+0x4a3/0x990
[  205.512102][    C0]  kthread+0x4b5/0x4f0
[  205.516148][    C0]  ret_from_fork+0x35/0x40
[  205.520538][    C0] 
[  205.522841][    C0] Uninit was created at:
[  205.527080][    C0]  kmsan_internal_poison_shadow+0x60/0x120
[  205.532875][    C0]  kmsan_slab_free+0x8d/0xf0
[  205.537440][    C0]  kmem_cache_free_bulk+0x3ad9/0x3f10
[  205.542785][    C0]  __kfree_skb_flush+0xb0/0x100
[  205.547613][    C0]  net_rx_action+0x1a5e/0x1aa0
[  205.552355][    C0]  __do_softirq+0x4a1/0x83a
[  205.556838][    C0]  irq_exit+0x230/0x280
[  205.560972][    C0]  do_IRQ+0x123/0x360
[  205.564928][    C0]  ret_from_intr+0x0/0x33
[  205.569235][    C0]  kmsan_internal_is_module_addr+0xa/0x20
[  205.574933][    C0]  __msan_metadata_ptr_for_load_2+0x10/0x20
[  205.580865][    C0]  iptable_mangle_hook+0x106/0x700
[  205.585968][    C0]  nf_hook_slow+0x18b/0x3f0
[  205.590455][    C0]  __ip_local_out+0x69b/0x800
[  205.595111][    C0]  __ip_queue_xmit+0x1bdc/0x21f0
[  205.600021][    C0]  ip_queue_xmit+0xcc/0xf0
[  205.604419][    C0]  __tcp_transmit_skb+0x40e3/0x5d90
[  205.609591][    C0]  __tcp_send_ack+0x701/0x840
[  205.614252][    C0]  tcp_send_ack+0x68/0x90
[  205.618567][    C0]  tcp_cleanup_rbuf+0x764/0x800
[  205.623391][    C0]  tcp_recvmsg+0x334d/0x4ff0
[  205.627968][    C0]  inet_recvmsg+0x237/0x7d0
[  205.632447][    C0]  sock_read_iter+0x5be/0x660
[  205.637099][    C0]  __vfs_read+0xa67/0xc90
[  205.641398][    C0]  vfs_read+0x359/0x6f0
[  205.645530][    C0]  ksys_read+0x265/0x430
[  205.649755][    C0]  __se_sys_read+0x92/0xb0
[  205.654147][    C0]  __x64_sys_read+0x4a/0x70
[  205.658626][    C0]  do_syscall_64+0xb6/0x160
[  205.663102][    C0]  entry_SYSCALL_64_after_hwframe+0x63/0xe7
[  205.668962][    C0] =====================================================
[  205.675955][    C0] Disabling lock debugging due to kernel taint
[  205.682090][    C0] Kernel panic - not syncing: panic_on_warn set ...
[  205.688654][    C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Tainted: G    B             5.4.0-rc5+ #0
[  205.697296][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  205.707325][    C0] Call Trace:
[  205.710596][    C0]  dump_stack+0x191/0x1f0
[  205.714909][    C0]  panic+0x3c9/0xc1e
[  205.718795][    C0]  kmsan_report+0x215/0x220
[  205.723283][    C0]  __msan_warning+0x73/0xe0
[  205.727772][    C0]  kmem_cache_free+0x3df/0x2b70
[  205.732607][    C0]  ? kmsan_internal_set_origin+0x6a/0xb0
[  205.738215][    C0]  ? kfree_skb+0x473/0x4c0
[  205.742610][    C0]  ? kmsan_internal_unpoison_shadow+0x42/0x80
[  205.748664][    C0]  kfree_skb+0x473/0x4c0
[  205.752885][    C0]  ? packet_rcv_spkt+0x68d/0x7c0
[  205.757804][    C0]  packet_rcv_spkt+0x68d/0x7c0
[  205.762551][    C0]  ? packet_rcv+0x2110/0x2110
[  205.767208][    C0]  __netif_receive_skb_core+0x3aed/0x51a0
[  205.772936][    C0]  ? kmsan_get_shadow_origin_ptr+0x91/0x4b0
[  205.778829][    C0]  netif_receive_skb_internal+0x3cc/0xc20
[  205.784541][    C0]  napi_gro_receive+0x67f/0xbb0
[  205.789433][    C0]  receive_buf+0x653b/0x8810
[  205.794046][    C0]  ? kmsan_get_shadow_origin_ptr+0x91/0x4b0
[  205.799927][    C0]  virtnet_poll+0x666/0x1a10
[  205.804526][    C0]  ? refill_work+0x470/0x470
[  205.809112][    C0]  net_rx_action+0x7a6/0x1aa0
[  205.813786][    C0]  ? net_tx_action+0xc40/0xc40
[  205.818548][    C0]  __do_softirq+0x4a1/0x83a
[  205.823076][    C0]  ? ksoftirqd_should_run+0x30/0x30
[  205.828339][    C0]  ? takeover_tasklets+0x900/0x900
[  205.833449][    C0]  run_ksoftirqd+0x25/0x40
[  205.837850][    C0]  smpboot_thread_fn+0x4a3/0x990
[  205.842777][    C0]  kthread+0x4b5/0x4f0
[  205.846834][    C0]  ? cpu_report_death+0x190/0x190
[  205.851851][    C0]  ? kthread_blkcg+0xf0/0xf0
[  205.856423][    C0]  ret_from_fork+0x35/0x40
[  205.862323][    C0] Kernel Offset: disabled
[  205.866653][    C0] Rebooting in 86400 seconds..