Warning: Permanently added '10.128.10.51' (ECDSA) to the list of known hosts. 2019/10/15 11:23:39 fuzzer started 2019/10/15 11:23:40 dialing manager at 10.128.0.105:38903 2019/10/15 11:23:40 syscalls: 2523 2019/10/15 11:23:40 code coverage: enabled 2019/10/15 11:23:40 comparison tracing: enabled 2019/10/15 11:23:40 extra coverage: extra coverage is not supported by the kernel 2019/10/15 11:23:40 setuid sandbox: enabled 2019/10/15 11:23:40 namespace sandbox: enabled 2019/10/15 11:23:40 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/15 11:23:40 fault injection: enabled 2019/10/15 11:23:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/15 11:23:40 net packet injection: enabled 2019/10/15 11:23:40 net device setup: enabled 2019/10/15 11:23:40 concurrency sanitizer: enabled syzkaller login: [ 47.932577][ C1] ================================================================== [ 47.940700][ C1] BUG: KCSAN: data-race in tick_sched_do_timer / tick_sched_do_timer [ 47.948748][ C1] [ 47.951074][ C1] read to 0xffffffff85caf310 of 4 bytes by interrupt on cpu 0: [ 47.958614][ C1] tick_sched_do_timer+0x33/0xe0 [ 47.963594][ C1] tick_sched_timer+0x43/0xe0 [ 47.968250][ C1] __hrtimer_run_queues+0x288/0x600 [ 47.973421][ C1] hrtimer_interrupt+0x22a/0x480 [ 47.978461][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 47.983911][ C1] apic_timer_interrupt+0xf/0x20 [ 47.988934][ C1] __kcsan_check_watchpoint+0xa0/0x180 [ 47.994368][ C1] __tsan_write4+0x18/0x40 [ 47.998768][ C1] ipt_do_table+0x147/0xe40 [ 48.003268][ C1] iptable_filter_hook+0x4a/0x60 [ 48.008183][ C1] nf_hook_slow+0x83/0x160 [ 48.012573][ C1] ip_local_deliver+0x1e5/0x210 [ 48.017397][ C1] ip_rcv_finish+0x121/0x160 [ 48.021960][ C1] ip_rcv+0x18f/0x1a0 [ 48.025910][ C1] [ 48.028217][ C1] write to 0xffffffff85caf310 of 4 bytes by interrupt on cpu 1: [ 48.035817][ C1] tick_sched_do_timer+0xc0/0xe0 [ 48.040739][ C1] tick_sched_timer+0x43/0xe0 [ 48.045395][ C1] __hrtimer_run_queues+0x288/0x600 [ 48.050571][ C1] hrtimer_interrupt+0x22a/0x480 [ 48.055481][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 48.060920][ C1] apic_timer_interrupt+0xf/0x20 [ 48.065838][ C1] __sanitizer_cov_trace_pc+0x26/0x50 [ 48.071181][ C1] tcp_event_data_recv+0x67c/0x990 [ 48.076277][ C1] tcp_rcv_established+0xbfe/0xf50 [ 48.081369][ C1] tcp_v4_do_rcv+0x381/0x4e0 [ 48.085934][ C1] __release_sock+0x135/0x1e0 [ 48.090584][ C1] release_sock+0x61/0x160 [ 48.094975][ C1] tcp_recvmsg+0x63b/0x1a30 [ 48.099445][ C1] [ 48.101757][ C1] Reported by Kernel Concurrency Sanitizer on: [ 48.107885][ C1] CPU: 1 PID: 7127 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 48.114961][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.124989][ C1] ================================================================== [ 48.133032][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 48.139614][ C1] CPU: 1 PID: 7127 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 48.146701][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.156731][ C1] Call Trace: [ 48.159991][ C1] [ 48.162825][ C1] dump_stack+0xf5/0x159 [ 48.167045][ C1] panic+0x209/0x639 [ 48.170918][ C1] ? tcp_rcv_established+0xbfe/0xf50 [ 48.176178][ C1] ? vprintk_func+0x8d/0x140 [ 48.180747][ C1] kcsan_report.cold+0xc/0x1b [ 48.185404][ C1] __kcsan_setup_watchpoint+0x3ee/0x510 [ 48.190936][ C1] __tsan_write4+0x32/0x40 [ 48.195333][ C1] tick_sched_do_timer+0xc0/0xe0 [ 48.200246][ C1] tick_sched_timer+0x43/0xe0 [ 48.204912][ C1] __hrtimer_run_queues+0x288/0x600 [ 48.210099][ C1] ? tick_sched_do_timer+0xe0/0xe0 [ 48.215196][ C1] hrtimer_interrupt+0x22a/0x480 [ 48.220119][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 48.225561][ C1] apic_timer_interrupt+0xf/0x20 [ 48.230471][ C1] [ 48.233465][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x26/0x50 [ 48.239601][ C1] Code: 90 90 90 90 55 48 89 e5 65 48 8b 04 25 40 6c 01 00 65 8b 15 d4 75 bb 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 00 0a 00 00 <83> fa 02 75 20 48 8b 88 08 0a 00 00 8b 80 04 0a 00 00 48 8b 11 48 [ 48.259179][ C1] RSP: 0018:ffffc900016bf910 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 48.267566][ C1] RAX: ffff888126f4d040 RBX: ffff8881246d5300 RCX: ffffffff83ee7a6e [ 48.275510][ C1] RDX: 0000000000000000 RSI: ffffffff83ee7cac RDI: 0000000000000005 [ 48.283487][ C1] RBP: ffffc900016bf910 R08: ffff888126f4d040 R09: 00008881246d5373 [ 48.291441][ C1] R10: 00000000aaaaaaab R11: ffffffff86042cc0 R12: ffff888124464900 [ 48.299397][ C1] R13: 00000000000000f0 R14: ffff888124464dc4 R15: ffff888124464dd0 [ 48.307372][ C1] ? tcp_event_data_recv+0x43e/0x990 [ 48.312682][ C1] ? tcp_event_data_recv+0x67c/0x990 [ 48.317946][ C1] tcp_event_data_recv+0x67c/0x990 [ 48.323040][ C1] tcp_rcv_established+0xbfe/0xf50 [ 48.328129][ C1] ? ipv4_dst_check+0xc6/0xf0 [ 48.333128][ C1] tcp_v4_do_rcv+0x381/0x4e0 [ 48.337696][ C1] __release_sock+0x135/0x1e0 [ 48.342352][ C1] release_sock+0x61/0x160 [ 48.346743][ C1] tcp_recvmsg+0x63b/0x1a30 [ 48.351240][ C1] inet_recvmsg+0xbb/0x250 [ 48.355640][ C1] ? __tsan_read8+0x2c/0x30 [ 48.360132][ C1] ? inet_sendpage+0x100/0x100 [ 48.364886][ C1] sock_recvmsg+0x92/0xb0 [ 48.369199][ C1] sock_read_iter+0x15f/0x1e0 [ 48.373867][ C1] new_sync_read+0x389/0x4f0 [ 48.378466][ C1] __vfs_read+0xb1/0xc0 [ 48.382613][ C1] vfs_read+0x143/0x2c0 [ 48.386755][ C1] ksys_read+0xd5/0x1b0 [ 48.390942][ C1] __x64_sys_read+0x4c/0x60 [ 48.395424][ C1] do_syscall_64+0xcf/0x2f0 [ 48.399951][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.405822][ C1] RIP: 0033:0x47c530 [ 48.409698][ 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 [ 48.429273][ C1] RSP: 002b:000000c4203c97d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 48.437657][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 48.445600][ C1] RDX: 0000000000001000 RSI: 000000c420170000 RDI: 0000000000000003 [ 48.453544][ C1] RBP: 000000c4203c9830 R08: 0000000000000000 R09: 0000000000000000 [ 48.461498][ C1] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000004 [ 48.469530][ C1] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff [ 48.478746][ C1] Kernel Offset: disabled [ 48.483062][ C1] Rebooting in 86400 seconds..