Warning: Permanently added '10.128.0.79' (ECDSA) to the list of known hosts. 2019/10/15 09:41:10 fuzzer started 2019/10/15 09:41:12 dialing manager at 10.128.0.105:33637 2019/10/15 09:41:12 syscalls: 2523 2019/10/15 09:41:12 code coverage: enabled 2019/10/15 09:41:12 comparison tracing: enabled 2019/10/15 09:41:12 extra coverage: extra coverage is not supported by the kernel 2019/10/15 09:41:12 setuid sandbox: enabled 2019/10/15 09:41:12 namespace sandbox: enabled 2019/10/15 09:41:12 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/15 09:41:12 fault injection: enabled 2019/10/15 09:41:12 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/15 09:41:12 net packet injection: enabled 2019/10/15 09:41:12 net device setup: enabled 2019/10/15 09:41:12 concurrency sanitizer: enabled [ 57.806373][ C1] ================================================================== [ 57.814596][ C1] BUG: KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64 [ 57.823504][ C1] [ 57.825814][ C1] write to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 0: [ 57.833426][ C1] tick_do_update_jiffies64+0x105/0x260 [ 57.838948][ C1] tick_sched_do_timer+0xd4/0xe0 [ 57.843873][ C1] tick_sched_timer+0x43/0xe0 [ 57.848530][ C1] __hrtimer_run_queues+0x288/0x600 [ 57.853707][ C1] hrtimer_interrupt+0x22a/0x480 [ 57.858635][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 57.864074][ C1] apic_timer_interrupt+0xf/0x20 [ 57.868988][ C1] net_rx_action+0x1ec/0xa50 [ 57.873553][ C1] __do_softirq+0x115/0x33f [ 57.878033][ C1] irq_exit+0xbb/0xe0 [ 57.881991][ C1] do_IRQ+0xdf/0x150 [ 57.885864][ C1] ret_from_intr+0x0/0x19 [ 57.890211][ C1] [ 57.892531][ C1] read to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 1: [ 57.900051][ C1] tick_do_update_jiffies64+0x2b/0x260 [ 57.905498][ C1] tick_sched_do_timer+0xd4/0xe0 [ 57.910408][ C1] tick_sched_timer+0x43/0xe0 [ 57.915081][ C1] __hrtimer_run_queues+0x288/0x600 [ 57.920352][ C1] hrtimer_interrupt+0x22a/0x480 [ 57.925267][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 57.930700][ C1] apic_timer_interrupt+0xf/0x20 [ 57.935614][ C1] __kcsan_check_watchpoint+0x95/0x180 [ 57.941048][ C1] __tsan_read4+0x15/0x30 [ 57.945369][ C1] ipt_do_table+0x36a/0xe40 [ 57.949848][ C1] iptable_security_hook+0x4a/0x60 [ 57.955122][ C1] nf_hook_slow+0x83/0x160 [ 57.959520][ C1] __ip_local_out+0x1f7/0x2b0 [ 57.964169][ C1] [ 57.966485][ C1] Reported by Kernel Concurrency Sanitizer on: [ 57.972759][ C1] CPU: 1 PID: 7356 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 57.979846][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.989897][ C1] ================================================================== [ 57.997946][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 58.004522][ C1] CPU: 1 PID: 7356 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 58.011599][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.021748][ C1] Call Trace: [ 58.025010][ C1] [ 58.027846][ C1] dump_stack+0xf5/0x159 [ 58.032071][ C1] panic+0x209/0x639 [ 58.035946][ C1] ? __tsan_read4+0x15/0x30 [ 58.040427][ C1] ? vprintk_func+0x8d/0x140 [ 58.044996][ C1] kcsan_report.cold+0xc/0x1b [ 58.049664][ C1] __kcsan_setup_watchpoint+0x3ee/0x510 [ 58.055281][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 58.060891][ C1] __tsan_read8+0x2c/0x30 [ 58.065206][ C1] tick_do_update_jiffies64+0x2b/0x260 [ 58.070655][ C1] tick_sched_do_timer+0xd4/0xe0 [ 58.075583][ C1] tick_sched_timer+0x43/0xe0 [ 58.080243][ C1] __hrtimer_run_queues+0x288/0x600 [ 58.085420][ C1] ? tick_sched_do_timer+0xe0/0xe0 [ 58.090516][ C1] hrtimer_interrupt+0x22a/0x480 [ 58.095450][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 58.101067][ C1] apic_timer_interrupt+0xf/0x20 [ 58.105989][ C1] [ 58.108922][ C1] RIP: 0010:__kcsan_check_watchpoint+0x95/0x180 [ 58.115142][ C1] Code: 48 21 cf 83 e6 3f 41 ba ab aa aa aa 4e 8d 4c 37 ff 8d 42 01 48 89 c2 49 0f af c2 89 d3 48 c1 e8 21 8d 04 40 29 c3 8d 44 1e ff <41> 89 c3 41 c1 fb 1f 41 c1 eb 1a 44 01 d8 83 e0 3f 44 29 d8 48 98 [ 58.134724][ C1] RSP: 0018:ffffc900016b35f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 58.143206][ C1] RAX: 0000000000000022 RBX: 0000000000000000 RCX: 0000ffffffffffff [ 58.152545][ C1] RDX: 0000000000000003 RSI: 0000000000000023 RDI: 00008881293a3d7c [ 58.160493][ C1] RBP: ffffc900016b3618 R08: 0000000000000000 R09: 00008881293a3d7f [ 58.168486][ C1] R10: 00000000aaaaaaab R11: ffffffff86042d40 R12: 0000000000000000 [ 58.176437][ C1] R13: ffff8881293a3d7c R14: 0000000000000004 R15: ffff8881293a3d70 [ 58.184397][ C1] __tsan_read4+0x15/0x30 [ 58.188706][ C1] ipt_do_table+0x36a/0xe40 [ 58.193188][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 58.198798][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 58.204407][ C1] ? ip_vs_out+0x13a/0xd00 [ 58.208803][ C1] ? __kcsan_setup_watchpoint+0x80/0x510 [ 58.214413][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 58.220039][ C1] iptable_security_hook+0x4a/0x60 [ 58.225133][ C1] nf_hook_slow+0x83/0x160 [ 58.229527][ C1] ? iptable_security_net_exit+0xa0/0xa0 [ 58.235411][ C1] __ip_local_out+0x1f7/0x2b0 [ 58.240078][ C1] ? constant_test_bit+0x30/0x30 [ 58.245080][ C1] ip_local_out+0x31/0x90 [ 58.249388][ C1] __ip_queue_xmit+0x3a8/0xa40 [ 58.254154][ C1] ip_queue_xmit+0x45/0x60 [ 58.258565][ C1] __tcp_transmit_skb+0xdeb/0x1cd0 [ 58.263660][ C1] __tcp_send_ack+0x246/0x300 [ 58.268315][ C1] tcp_send_ack+0x34/0x40 [ 58.272618][ C1] tcp_cleanup_rbuf+0x130/0x360 [ 58.277466][ C1] tcp_recvmsg+0x633/0x1a30 [ 58.281979][ C1] inet_recvmsg+0xbb/0x250 [ 58.286370][ C1] ? __tsan_read8+0x2c/0x30 [ 58.290851][ C1] ? inet_sendpage+0x100/0x100 [ 58.295590][ C1] sock_recvmsg+0x92/0xb0 [ 58.300417][ C1] sock_read_iter+0x15f/0x1e0 [ 58.305089][ C1] new_sync_read+0x389/0x4f0 [ 58.309669][ C1] __vfs_read+0xb1/0xc0 [ 58.313815][ C1] vfs_read+0x143/0x2c0 [ 58.317949][ C1] ksys_read+0xd5/0x1b0 [ 58.322096][ C1] __x64_sys_read+0x4c/0x60 [ 58.328689][ C1] do_syscall_64+0xcf/0x2f0 [ 58.333169][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.339036][ C1] RIP: 0033:0x47c530 [ 58.342909][ 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 [ 58.362750][ C1] RSP: 002b:000000c4203a57d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 58.371132][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 58.379088][ C1] RDX: 0000000000001000 RSI: 000000c42015c000 RDI: 0000000000000003 [ 58.387478][ C1] RBP: 000000c4203a5828 R08: 0000000000000000 R09: 0000000000000000 [ 58.395425][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008 [ 58.403373][ C1] R13: ffffffffffffffff R14: 0000000000000004 R15: ffffffffffffffff [ 58.413166][ C1] Kernel Offset: disabled [ 58.417482][ C1] Rebooting in 86400 seconds..