Warning: Permanently added '10.128.0.87' (ECDSA) to the list of known hosts. 2019/10/14 20:44:30 fuzzer started 2019/10/14 20:44:32 dialing manager at 10.128.0.105:43961 2019/10/14 20:44:32 syscalls: 2523 2019/10/14 20:44:32 code coverage: enabled 2019/10/14 20:44:32 comparison tracing: enabled 2019/10/14 20:44:32 extra coverage: extra coverage is not supported by the kernel 2019/10/14 20:44:32 setuid sandbox: enabled 2019/10/14 20:44:32 namespace sandbox: enabled 2019/10/14 20:44:32 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/14 20:44:32 fault injection: enabled 2019/10/14 20:44:32 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/14 20:44:32 net packet injection: enabled 2019/10/14 20:44:32 net device setup: enabled 2019/10/14 20:44:32 concurrency sanitizer: enabled syzkaller login: [ 48.307351][ C1] ================================================================== [ 48.315483][ C1] BUG: KCSAN: data-race in tick_sched_do_timer / tick_sched_do_timer [ 48.323544][ C1] [ 48.325913][ C1] write to 0xffffffff85caf310 of 4 bytes by interrupt on cpu 0: [ 48.333525][ C1] tick_sched_do_timer+0xc0/0xe0 [ 48.338450][ C1] tick_sched_timer+0x43/0xe0 [ 48.343105][ C1] __hrtimer_run_queues+0x288/0x600 [ 48.348454][ C1] hrtimer_interrupt+0x22a/0x480 [ 48.353401][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 48.358843][ C1] apic_timer_interrupt+0xf/0x20 [ 48.363756][ C1] __tsan_read4+0x1/0x30 [ 48.367992][ C1] net_rx_action+0x3ae/0xa50 [ 48.372557][ C1] __do_softirq+0x115/0x33f [ 48.377083][ C1] irq_exit+0xbb/0xe0 [ 48.381082][ C1] do_IRQ+0xdf/0x150 [ 48.384953][ C1] ret_from_intr+0x0/0x19 [ 48.389260][ C1] __kcsan_setup_watchpoint+0x3c/0x510 [ 48.395302][ C1] __tsan_write8+0x32/0x40 [ 48.399689][ C1] [ 48.402050][ C1] read to 0xffffffff85caf310 of 4 bytes by interrupt on cpu 1: [ 48.409580][ C1] tick_sched_do_timer+0x33/0xe0 [ 48.414495][ C1] tick_sched_timer+0x43/0xe0 [ 48.419203][ C1] __hrtimer_run_queues+0x288/0x600 [ 48.424430][ C1] hrtimer_interrupt+0x22a/0x480 [ 48.429354][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 48.434790][ C1] apic_timer_interrupt+0xf/0x20 [ 48.439715][ C1] __kcsan_check_watchpoint+0xed/0x180 [ 48.445147][ C1] __tsan_read8+0x15/0x30 [ 48.449462][ C1] ipt_do_table+0x3d7/0xe40 [ 48.453951][ C1] iptable_filter_hook+0x4a/0x60 [ 48.458869][ C1] nf_hook_slow+0x83/0x160 [ 48.463262][ C1] __ip_local_out+0x1f7/0x2b0 [ 48.467915][ C1] ip_local_out+0x31/0x90 [ 48.472213][ C1] [ 48.474514][ C1] Reported by Kernel Concurrency Sanitizer on: [ 48.480648][ C1] CPU: 1 PID: 7294 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 48.487727][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.498106][ C1] ================================================================== [ 48.506144][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 48.512715][ C1] CPU: 1 PID: 7294 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 48.519808][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.529839][ C1] Call Trace: [ 48.533100][ C1] [ 48.535966][ C1] dump_stack+0xf5/0x159 [ 48.540202][ C1] panic+0x209/0x639 [ 48.544087][ C1] ? ipt_do_table+0x3d7/0xe40 [ 48.548756][ C1] ? vprintk_func+0x8d/0x140 [ 48.553334][ C1] kcsan_report.cold+0xc/0x1b [ 48.557990][ C1] __kcsan_setup_watchpoint+0x3ee/0x510 [ 48.563521][ C1] __tsan_read4+0x2c/0x30 [ 48.567840][ C1] tick_sched_do_timer+0x33/0xe0 [ 48.572775][ C1] tick_sched_timer+0x43/0xe0 [ 48.577440][ C1] __hrtimer_run_queues+0x288/0x600 [ 48.582761][ C1] ? tick_sched_do_timer+0xe0/0xe0 [ 48.587876][ C1] hrtimer_interrupt+0x22a/0x480 [ 48.592815][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 48.598369][ C1] ? smp_reschedule_interrupt+0x71/0x1d0 [ 48.603984][ C1] apic_timer_interrupt+0xf/0x20 [ 48.608898][ C1] [ 48.611820][ C1] RIP: 0010:__kcsan_check_watchpoint+0xed/0x180 [ 48.618057][ C1] Code: c3 49 89 c7 48 c1 eb 31 49 21 cf 81 e3 ff 3f 00 00 48 85 c0 78 05 45 84 c0 74 0f 4d 39 cf 77 0a 49 8d 5c 1f ff 48 39 df 76 2f <83> fa 03 75 8a b8 01 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 [ 48.637640][ C1] RSP: 0018:ffffc900016a75f0 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff13 [ 48.646038][ C1] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000ffffffffffff [ 48.654006][ C1] RDX: 0000000000000001 RSI: 0000000000000034 RDI: 0000888126f74980 [ 48.661957][ C1] RBP: ffffc900016a7618 R08: 0000000000000000 R09: 0000888126f74987 [ 48.669907][ C1] R10: 00000000aaaaaaab R11: ffffffff86042dc0 R12: 0000000000000000 [ 48.677867][ C1] R13: ffff888126f74980 R14: 0000000000000008 R15: ffff888126f74970 [ 48.685857][ C1] __tsan_read8+0x15/0x30 [ 48.690170][ C1] ipt_do_table+0x3d7/0xe40 [ 48.694659][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 48.700286][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 48.706000][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.712221][ C1] ? ip_vs_out+0x13a/0xd00 [ 48.716628][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 48.722238][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 48.727869][ C1] iptable_filter_hook+0x4a/0x60 [ 48.732799][ C1] nf_hook_slow+0x83/0x160 [ 48.737214][ C1] ? iptable_filter_net_exit+0xa0/0xa0 [ 48.742656][ C1] __ip_local_out+0x1f7/0x2b0 [ 48.747321][ C1] ? constant_test_bit+0x30/0x30 [ 48.752362][ C1] ip_local_out+0x31/0x90 [ 48.756678][ C1] __ip_queue_xmit+0x3a8/0xa40 [ 48.761428][ C1] ip_queue_xmit+0x45/0x60 [ 48.765836][ C1] __tcp_transmit_skb+0xdeb/0x1cd0 [ 48.770936][ C1] __tcp_send_ack+0x246/0x300 [ 48.775590][ C1] tcp_send_ack+0x34/0x40 [ 48.779898][ C1] tcp_cleanup_rbuf+0x130/0x360 [ 48.784740][ C1] tcp_recvmsg+0x633/0x1a30 [ 48.789243][ C1] inet_recvmsg+0xbb/0x250 [ 48.793661][ C1] ? __tsan_read8+0x2c/0x30 [ 48.798167][ C1] ? inet_sendpage+0x100/0x100 [ 48.802911][ C1] sock_recvmsg+0x92/0xb0 [ 48.807225][ C1] sock_read_iter+0x15f/0x1e0 [ 48.811898][ C1] new_sync_read+0x389/0x4f0 [ 48.816560][ C1] __vfs_read+0xb1/0xc0 [ 48.820706][ C1] vfs_read+0x143/0x2c0 [ 48.824843][ C1] ksys_read+0xd5/0x1b0 [ 48.828994][ C1] __x64_sys_read+0x4c/0x60 [ 48.833486][ C1] do_syscall_64+0xcf/0x2f0 [ 48.838148][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.844017][ C1] RIP: 0033:0x47c530 [ 48.847892][ 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 [ 48.867481][ C1] RSP: 002b:000000c4203b7810 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 48.876055][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 48.884005][ C1] RDX: 0000000000001000 RSI: 000000c420362000 RDI: 0000000000000003 [ 48.891968][ C1] RBP: 000000c4203b7868 R08: 0000000000000000 R09: 0000000000000000 [ 48.900107][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 48.908069][ C1] R13: 000000c420021990 R14: 0000000000000002 R15: ffffffffffffffff [ 48.917416][ C1] Kernel Offset: disabled [ 48.921760][ C1] Rebooting in 86400 seconds..