Warning: Permanently added '10.128.1.45' (ECDSA) to the list of known hosts. 2019/10/10 21:36:19 fuzzer started 2019/10/10 21:36:21 dialing manager at 10.128.0.105:37331 2019/10/10 21:36:21 syscalls: 2523 2019/10/10 21:36:21 code coverage: enabled 2019/10/10 21:36:21 comparison tracing: enabled 2019/10/10 21:36:21 extra coverage: extra coverage is not supported by the kernel 2019/10/10 21:36:21 setuid sandbox: enabled 2019/10/10 21:36:21 namespace sandbox: enabled 2019/10/10 21:36:21 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/10 21:36:21 fault injection: enabled 2019/10/10 21:36:21 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/10 21:36:21 net packet injection: enabled 2019/10/10 21:36:21 net device setup: enabled 2019/10/10 21:36:21 concurrency sanitizer: enabled syzkaller login: [ 50.035727][ C1] ================================================================== [ 50.043853][ C1] BUG: KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64 [ 50.052875][ C1] [ 50.055185][ C1] write to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 0: [ 50.062856][ C1] tick_do_update_jiffies64+0x105/0x260 [ 50.068408][ C1] tick_sched_do_timer+0xd4/0xe0 [ 50.073324][ C1] tick_sched_timer+0x43/0xe0 [ 50.077996][ C1] __hrtimer_run_queues+0x288/0x600 [ 50.083177][ C1] hrtimer_interrupt+0x22a/0x480 [ 50.088096][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 50.093542][ C1] apic_timer_interrupt+0xf/0x20 [ 50.098473][ C1] __kcsan_check_watchpoint+0xed/0x180 [ 50.103905][ C1] __tsan_read1+0x15/0x30 [ 50.108216][ C1] __nf_conntrack_find_get+0x3f8/0x870 [ 50.113651][ C1] nf_conntrack_in+0x2ef/0xaa0 [ 50.118400][ C1] ipv4_conntrack_in+0x27/0x40 [ 50.123146][ C1] nf_hook_slow+0x83/0x160 [ 50.127553][ C1] ip_rcv+0x12f/0x1a0 [ 50.131504][ C1] [ 50.133810][ C1] read to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 1: [ 50.141341][ C1] tick_do_update_jiffies64+0x2b/0x260 [ 50.146796][ C1] tick_sched_do_timer+0xd4/0xe0 [ 50.151709][ C1] tick_sched_timer+0x43/0xe0 [ 50.156375][ C1] __hrtimer_run_queues+0x288/0x600 [ 50.161562][ C1] hrtimer_interrupt+0x22a/0x480 [ 50.166479][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 50.171926][ C1] apic_timer_interrupt+0xf/0x20 [ 50.176843][ C1] __kcsan_check_watchpoint+0x49/0x180 [ 50.182283][ C1] __tsan_read8+0x15/0x30 [ 50.186591][ C1] ipt_do_table+0x794/0xe40 [ 50.191087][ C1] iptable_raw_hook+0x4a/0x60 [ 50.195760][ C1] nf_hook_slow+0x83/0x160 [ 50.200159][ C1] __ip_local_out+0x1f7/0x2b0 [ 50.204807][ C1] [ 50.207108][ C1] Reported by Kernel Concurrency Sanitizer on: [ 50.213237][ C1] CPU: 1 PID: 7252 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 50.220316][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.230347][ C1] ================================================================== [ 50.238381][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 50.244947][ C1] CPU: 1 PID: 7252 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 50.252033][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.264587][ C1] Call Trace: [ 50.268119][ C1] [ 50.270956][ C1] dump_stack+0xf5/0x159 [ 50.275182][ C1] panic+0x209/0x639 [ 50.279056][ C1] ? __tsan_read8+0x15/0x30 [ 50.283539][ C1] ? vprintk_func+0x8d/0x140 [ 50.288121][ C1] kcsan_report.cold+0xc/0x1b [ 50.292780][ C1] __kcsan_setup_watchpoint+0x3ee/0x510 [ 50.298321][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 50.303949][ C1] __tsan_read8+0x2c/0x30 [ 50.308267][ C1] tick_do_update_jiffies64+0x2b/0x260 [ 50.313720][ C1] tick_sched_do_timer+0xd4/0xe0 [ 50.318706][ C1] tick_sched_timer+0x43/0xe0 [ 50.323432][ C1] __hrtimer_run_queues+0x288/0x600 [ 50.328619][ C1] ? tick_sched_do_timer+0xe0/0xe0 [ 50.333717][ C1] hrtimer_interrupt+0x22a/0x480 [ 50.338659][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 50.344108][ C1] apic_timer_interrupt+0xf/0x20 [ 50.349020][ C1] [ 50.351940][ C1] RIP: 0010:__kcsan_check_watchpoint+0x49/0x180 [ 50.358160][ C1] Code: 01 1f 00 48 89 e5 41 57 41 56 49 89 f6 41 55 49 89 fd 41 54 53 0f 85 c8 00 00 00 65 48 8b 0c 25 40 6c 01 00 8b 89 e0 09 00 00 <85> c9 0f 85 a6 00 00 00 4c 89 ee 4c 89 ef 44 0f b6 e2 48 b9 ff ff [ 50.377770][ C1] RSP: 0018:ffffc900019235f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 50.386178][ C1] RAX: 0000000000000000 RBX: ffffffff85cc8ce0 RCX: 0000000000000000 [ 50.394140][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff85cc8d10 [ 50.402090][ C1] RBP: ffffc90001923618 R08: 0000000000000000 R09: 0000888128d4ad57 [ 50.410036][ C1] R10: 00000000aaaaaaab R11: ffffffff86042c68 R12: ffffffff85cc8d10 [ 50.417983][ C1] R13: ffffffff85cc8d10 R14: 0000000000000008 R15: ffff888128d4acd8 [ 50.425988][ C1] __tsan_read8+0x15/0x30 [ 50.430300][ C1] ipt_do_table+0x794/0xe40 [ 50.434796][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.441103][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 50.446750][ C1] iptable_raw_hook+0x4a/0x60 [ 50.451408][ C1] nf_hook_slow+0x83/0x160 [ 50.455828][ C1] ? iptable_raw_net_exit+0xa0/0xa0 [ 50.461015][ C1] __ip_local_out+0x1f7/0x2b0 [ 50.465681][ C1] ? constant_test_bit+0x30/0x30 [ 50.470625][ C1] ip_local_out+0x31/0x90 [ 50.474995][ C1] __ip_queue_xmit+0x3a8/0xa40 [ 50.479748][ C1] ip_queue_xmit+0x45/0x60 [ 50.484192][ C1] __tcp_transmit_skb+0xdeb/0x1cd0 [ 50.489290][ C1] __tcp_send_ack+0x246/0x300 [ 50.493959][ C1] tcp_send_ack+0x34/0x40 [ 50.498277][ C1] tcp_cleanup_rbuf+0x130/0x360 [ 50.503120][ C1] tcp_recvmsg+0x633/0x1a30 [ 50.507633][ C1] inet_recvmsg+0xbb/0x250 [ 50.512041][ C1] ? __tsan_read8+0x2c/0x30 [ 50.516529][ C1] ? inet_sendpage+0x100/0x100 [ 50.521326][ C1] sock_recvmsg+0x92/0xb0 [ 50.525654][ C1] sock_read_iter+0x15f/0x1e0 [ 50.530373][ C1] new_sync_read+0x389/0x4f0 [ 50.534955][ C1] __vfs_read+0xb1/0xc0 [ 50.539095][ C1] vfs_read+0x143/0x2c0 [ 50.543239][ C1] ksys_read+0xd5/0x1b0 [ 50.547374][ C1] __x64_sys_read+0x4c/0x60 [ 50.551954][ C1] do_syscall_64+0xcf/0x2f0 [ 50.556442][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.562310][ C1] RIP: 0033:0x47c530 [ 50.566197][ C1] 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 [ 50.585778][ C1] RSP: 002b:000000c4203237d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 50.594177][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 50.602126][ C1] RDX: 0000000000001000 RSI: 000000c4202dc000 RDI: 0000000000000003 [ 50.610074][ C1] RBP: 000000c420323830 R08: 0000000000000000 R09: 0000000000000000 [ 50.618043][ C1] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000010 [ 50.625991][ C1] R13: ffffffffffffffff R14: 0000000000000020 R15: ffffffffffffffff [ 50.635343][ C1] Kernel Offset: disabled [ 50.639663][ C1] Rebooting in 86400 seconds..