Warning: Permanently added '10.128.15.203' (ECDSA) to the list of known hosts. 2019/10/12 22:49:15 fuzzer started 2019/10/12 22:49:16 dialing manager at 10.128.0.105:43913 2019/10/12 22:49:16 syscalls: 2523 2019/10/12 22:49:16 code coverage: enabled 2019/10/12 22:49:16 comparison tracing: enabled 2019/10/12 22:49:16 extra coverage: extra coverage is not supported by the kernel 2019/10/12 22:49:16 setuid sandbox: enabled 2019/10/12 22:49:16 namespace sandbox: enabled 2019/10/12 22:49:16 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/12 22:49:16 fault injection: enabled 2019/10/12 22:49:16 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/12 22:49:16 net packet injection: enabled 2019/10/12 22:49:16 net device setup: enabled 2019/10/12 22:49:16 concurrency sanitizer: enabled syzkaller login: [ 46.735866][ C0] ================================================================== [ 46.744247][ C0] BUG: KCSAN: data-race in tick_sched_do_timer / tick_sched_do_timer [ 46.752286][ C0] [ 46.754637][ C0] read to 0xffffffff85caf310 of 4 bytes by interrupt on cpu 1: [ 46.762197][ C0] tick_sched_do_timer+0x33/0xe0 [ 46.767138][ C0] tick_sched_timer+0x43/0xe0 [ 46.771803][ C0] __hrtimer_run_queues+0x288/0x600 [ 46.777141][ C0] hrtimer_interrupt+0x22a/0x480 [ 46.782062][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 46.787505][ C0] apic_timer_interrupt+0xf/0x20 [ 46.792433][ C0] __sanitizer_cov_trace_pc+0x0/0x50 [ 46.797699][ C0] __should_failslab+0xee/0x130 [ 46.802527][ C0] should_failslab+0x9/0x14 [ 46.807024][ C0] kmem_cache_alloc+0x29/0x5d0 [ 46.811794][ C0] skb_clone+0xf9/0x280 [ 46.815946][ C0] packet_rcv_spkt+0x2e2/0x350 [ 46.820690][ C0] __netif_receive_skb_core+0xe13/0x1a90 [ 46.826334][ C0] __netif_receive_skb_one_core+0x67/0xe0 [ 46.832033][ C0] [ 46.834394][ C0] write to 0xffffffff85caf310 of 4 bytes by interrupt on cpu 0: [ 46.842014][ C0] tick_sched_do_timer+0xc0/0xe0 [ 46.846934][ C0] tick_sched_timer+0x43/0xe0 [ 46.851592][ C0] __hrtimer_run_queues+0x288/0x600 [ 46.856777][ C0] hrtimer_interrupt+0x22a/0x480 [ 46.861711][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 46.867163][ C0] apic_timer_interrupt+0xf/0x20 [ 46.872192][ C0] __tsan_read8+0xd/0x30 [ 46.876429][ C0] ipt_do_table+0x22f/0xe40 [ 46.880911][ C0] iptable_mangle_hook+0x132/0x260 [ 46.886001][ C0] nf_hook_slow+0x83/0x160 [ 46.890397][ C0] __ip_local_out+0x1f7/0x2b0 [ 46.895052][ C0] ip_local_out+0x31/0x90 [ 46.899586][ C0] __ip_queue_xmit+0x3a8/0xa40 [ 46.904761][ C0] [ 46.907080][ C0] Reported by Kernel Concurrency Sanitizer on: [ 46.913216][ C0] CPU: 0 PID: 7212 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 46.920313][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.930498][ C0] ================================================================== [ 46.938545][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 46.945127][ C0] CPU: 0 PID: 7212 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 46.952219][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.962367][ C0] Call Trace: [ 46.965633][ C0] [ 46.968468][ C0] dump_stack+0xf5/0x159 [ 46.972697][ C0] panic+0x209/0x639 [ 46.976579][ C0] ? iptable_mangle_hook+0x132/0x260 [ 46.981850][ C0] ? vprintk_func+0x8d/0x140 [ 46.986421][ C0] kcsan_report.cold+0xc/0x1b [ 46.991083][ C0] __kcsan_setup_watchpoint+0x3ee/0x510 [ 46.996612][ C0] __tsan_write4+0x32/0x40 [ 47.001079][ C0] tick_sched_do_timer+0xc0/0xe0 [ 47.006048][ C0] tick_sched_timer+0x43/0xe0 [ 47.010712][ C0] __hrtimer_run_queues+0x288/0x600 [ 47.015918][ C0] ? tick_sched_do_timer+0xe0/0xe0 [ 47.021022][ C0] hrtimer_interrupt+0x22a/0x480 [ 47.025946][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 47.031386][ C0] ? smp_reschedule_interrupt+0x71/0x1d0 [ 47.037001][ C0] apic_timer_interrupt+0xf/0x20 [ 47.041915][ C0] [ 47.044834][ C0] RIP: 0010:__tsan_read8+0xd/0x30 [ 47.049858][ C0] Code: ba 01 00 00 00 be 04 00 00 00 e8 ae 02 00 00 41 5c 5d c3 66 2e 0f 1f 84 00 00 00 00 00 55 31 d2 be 08 00 00 00 48 89 e5 41 54 <49> 89 fc e8 0b 01 00 00 84 c0 75 04 41 5c 5d c3 4c 89 e7 31 d2 be [ 47.069451][ C0] RSP: 0018:ffffc90000fdf5f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 47.077871][ C0] RAX: ffff8881293b5040 RBX: 0000000000000000 RCX: ffffffff824ce039 [ 47.085830][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881293b5038 [ 47.093828][ C0] RBP: ffffc90000fdf5f8 R08: ffff88812af94080 R09: 0000c90000fdf73f [ 47.101881][ C0] R10: 00000000aaaaaaab R11: ffffffff86042d10 R12: ffffc90000fdf828 [ 47.109840][ C0] R13: ffff88812b3e8800 R14: ffff8881293b5000 R15: ffff88812b3e8800 [ 47.117813][ C0] ? debug_smp_processor_id+0x39/0x172 [ 47.123259][ C0] ipt_do_table+0x22f/0xe40 [ 47.127751][ C0] ? __kcsan_setup_watchpoint+0x96/0x510 [ 47.133456][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.139969][ C0] ? __kcsan_setup_watchpoint+0x96/0x510 [ 47.145607][ C0] iptable_mangle_hook+0x132/0x260 [ 47.150718][ C0] nf_hook_slow+0x83/0x160 [ 47.155131][ C0] ? iptable_mangle_net_exit+0xa0/0xa0 [ 47.160634][ C0] __ip_local_out+0x1f7/0x2b0 [ 47.165383][ C0] ? constant_test_bit+0x30/0x30 [ 47.170316][ C0] ip_local_out+0x31/0x90 [ 47.174639][ C0] __ip_queue_xmit+0x3a8/0xa40 [ 47.179383][ C0] ip_queue_xmit+0x45/0x60 [ 47.183779][ C0] __tcp_transmit_skb+0xdeb/0x1cd0 [ 47.188890][ C0] __tcp_send_ack+0x246/0x300 [ 47.193556][ C0] tcp_send_ack+0x34/0x40 [ 47.197876][ C0] tcp_cleanup_rbuf+0x130/0x360 [ 47.202707][ C0] tcp_recvmsg+0x633/0x1a30 [ 47.207212][ C0] ? preempt_schedule_common+0x37/0x90 [ 47.212825][ C0] inet_recvmsg+0xbb/0x250 [ 47.217221][ C0] ? __tsan_read8+0x2c/0x30 [ 47.221795][ C0] ? inet_sendpage+0x100/0x100 [ 47.226536][ C0] sock_recvmsg+0x92/0xb0 [ 47.230844][ C0] sock_read_iter+0x15f/0x1e0 [ 47.235504][ C0] new_sync_read+0x389/0x4f0 [ 47.240075][ C0] __vfs_read+0xb1/0xc0 [ 47.244307][ C0] vfs_read+0x143/0x2c0 [ 47.248466][ C0] ksys_read+0xd5/0x1b0 [ 47.252612][ C0] __x64_sys_read+0x4c/0x60 [ 47.257096][ C0] do_syscall_64+0xcf/0x2f0 [ 47.261592][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.267482][ C0] RIP: 0033:0x47c530 [ 47.271367][ C0] Code: 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 49 c7 c2 00 00 00 00 49 c7 c0 00 00 00 00 49 c7 c1 00 00 00 00 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 [ 47.290948][ C0] RSP: 002b:000000c42021f7d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 47.299335][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 47.307289][ C0] RDX: 0000000000001000 RSI: 000000c4202e8000 RDI: 0000000000000003 [ 47.315246][ C0] RBP: 000000c42021f830 R08: 0000000000000000 R09: 0000000000000000 [ 47.323198][ C0] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000004 [ 47.331147][ C0] R13: 000000c420021370 R14: 0000000000000002 R15: ffffffffffffffff [ 47.340469][ C0] Kernel Offset: disabled [ 47.344788][ C0] Rebooting in 86400 seconds..