Warning: Permanently added '10.128.10.6' (ECDSA) to the list of known hosts. 2019/10/11 02:48:23 fuzzer started 2019/10/11 02:48:25 dialing manager at 10.128.0.105:37331 2019/10/11 02:48:25 syscalls: 2523 2019/10/11 02:48:25 code coverage: enabled 2019/10/11 02:48:25 comparison tracing: enabled 2019/10/11 02:48:25 extra coverage: extra coverage is not supported by the kernel 2019/10/11 02:48:25 setuid sandbox: enabled 2019/10/11 02:48:25 namespace sandbox: enabled 2019/10/11 02:48:25 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/11 02:48:25 fault injection: enabled 2019/10/11 02:48:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/11 02:48:25 net packet injection: enabled 2019/10/11 02:48:25 net device setup: enabled 2019/10/11 02:48:25 concurrency sanitizer: enabled syzkaller login: [ 47.178782][ C0] ================================================================== [ 47.186930][ C0] BUG: KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64 [ 47.195858][ C0] [ 47.198182][ C0] write to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 1: [ 47.205798][ C0] tick_do_update_jiffies64+0x105/0x260 [ 47.211319][ C0] tick_sched_do_timer+0xd4/0xe0 [ 47.216234][ C0] tick_sched_timer+0x43/0xe0 [ 47.220890][ C0] __hrtimer_run_queues+0x288/0x600 [ 47.226066][ C0] hrtimer_interrupt+0x22a/0x480 [ 47.230982][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 47.236414][ C0] apic_timer_interrupt+0xf/0x20 [ 47.241325][ C0] __kcsan_check_watchpoint+0x7c/0x180 [ 47.246754][ C0] __tsan_read4+0x15/0x30 [ 47.251058][ C0] ipt_do_table+0x560/0xe40 [ 47.255574][ C0] iptable_filter_hook+0x4a/0x60 [ 47.260665][ C0] nf_hook_slow+0x83/0x160 [ 47.265057][ C0] ip_local_deliver+0x1e5/0x210 [ 47.269882][ C0] ip_rcv_finish+0x121/0x160 [ 47.274440][ C0] [ 47.276746][ C0] read to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 0: [ 47.284280][ C0] tick_do_update_jiffies64+0x2b/0x260 [ 47.289730][ C0] tick_sched_do_timer+0xd4/0xe0 [ 47.294648][ C0] tick_sched_timer+0x43/0xe0 [ 47.299313][ C0] __hrtimer_run_queues+0x288/0x600 [ 47.304498][ C0] hrtimer_interrupt+0x22a/0x480 [ 47.309411][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 47.314939][ C0] apic_timer_interrupt+0xf/0x20 [ 47.319860][ C0] __kcsan_check_watchpoint+0xa0/0x180 [ 47.325293][ C0] __tsan_read8+0x15/0x30 [ 47.329610][ C0] start_xmit+0x16f/0xc20 [ 47.333917][ C0] dev_hard_start_xmit+0xef/0x430 [ 47.338931][ C0] sch_direct_xmit+0x2b3/0x870 [ 47.343668][ C0] __dev_queue_xmit+0x172e/0x1b90 [ 47.348661][ C0] [ 47.350975][ C0] Reported by Kernel Concurrency Sanitizer on: [ 47.357125][ C0] CPU: 0 PID: 7275 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 47.364223][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.374261][ C0] ================================================================== [ 47.382295][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 47.388857][ C0] CPU: 0 PID: 7275 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 47.395944][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.405970][ C0] Call Trace: [ 47.409236][ C0] [ 47.412076][ C0] dump_stack+0xf5/0x159 [ 47.416311][ C0] panic+0x209/0x639 [ 47.420182][ C0] ? __tsan_read8+0x15/0x30 [ 47.424674][ C0] ? vprintk_func+0x8d/0x140 [ 47.429258][ C0] kcsan_report.cold+0xc/0x1b [ 47.433918][ C0] __kcsan_setup_watchpoint+0x3ee/0x510 [ 47.439452][ C0] ? __kcsan_setup_watchpoint+0x96/0x510 [ 47.445064][ C0] __tsan_read8+0x2c/0x30 [ 47.449383][ C0] tick_do_update_jiffies64+0x2b/0x260 [ 47.455352][ C0] tick_sched_do_timer+0xd4/0xe0 [ 47.460270][ C0] tick_sched_timer+0x43/0xe0 [ 47.464938][ C0] __hrtimer_run_queues+0x288/0x600 [ 47.470124][ C0] ? tick_sched_do_timer+0xe0/0xe0 [ 47.475225][ C0] hrtimer_interrupt+0x22a/0x480 [ 47.480155][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 47.485593][ C0] ? smp_reschedule_interrupt+0x71/0x1d0 [ 47.491204][ C0] apic_timer_interrupt+0xf/0x20 [ 47.496124][ C0] [ 47.499052][ C0] RIP: 0010:__kcsan_check_watchpoint+0xa0/0x180 [ 47.505281][ C0] Code: 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 4c 8d 1c c5 20 2c 04 86 48 8b 04 [ 47.527203][ C0] RSP: 0018:ffffc90001703418 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 47.535588][ C0] RAX: 0000000000000018 RBX: 0000000000000001 RCX: 0000ffffffffffff [ 47.543536][ C0] RDX: 0000000000000001 RSI: 0000000000000018 RDI: 000088821aa589e0 [ 47.551488][ C0] RBP: ffffc90001703440 R08: 0000000000000000 R09: 000088821aa589e7 [ 47.559544][ C0] R10: 00000000aaaaaaab R11: 0000000000000000 R12: 0000000000000000 [ 47.567489][ C0] R13: ffff88821aa589e0 R14: 0000000000000008 R15: ffff88821a9e0000 [ 47.575459][ C0] ? tap_ioctl+0x29a/0xa70 [ 47.579855][ C0] __tsan_read8+0x15/0x30 [ 47.584161][ C0] start_xmit+0x16f/0xc20 [ 47.588476][ C0] dev_hard_start_xmit+0xef/0x430 [ 47.593493][ C0] sch_direct_xmit+0x2b3/0x870 [ 47.598245][ C0] ? __kcsan_setup_watchpoint+0x96/0x510 [ 47.603871][ C0] __dev_queue_xmit+0x172e/0x1b90 [ 47.608873][ C0] ? ipt_do_table+0x8e6/0xe40 [ 47.613546][ C0] ? __tsan_read1+0x2c/0x30 [ 47.618035][ C0] ? __kcsan_setup_watchpoint+0x96/0x510 [ 47.623653][ C0] ? __tsan_write4+0x32/0x40 [ 47.628223][ C0] dev_queue_xmit+0x21/0x30 [ 47.632703][ C0] ip_finish_output2+0x834/0xe40 [ 47.637623][ C0] __ip_finish_output+0x23a/0x490 [ 47.642632][ C0] ip_finish_output+0x41/0x160 [ 47.647375][ C0] ip_output+0xdf/0x210 [ 47.651511][ C0] ? __ip_finish_output+0x490/0x490 [ 47.656778][ C0] ip_local_out+0x74/0x90 [ 47.661084][ C0] __ip_queue_xmit+0x3a8/0xa40 [ 47.665826][ C0] ip_queue_xmit+0x45/0x60 [ 47.670218][ C0] __tcp_transmit_skb+0xdeb/0x1cd0 [ 47.675399][ C0] __tcp_send_ack+0x246/0x300 [ 47.680065][ C0] tcp_send_ack+0x34/0x40 [ 47.684458][ C0] tcp_cleanup_rbuf+0x130/0x360 [ 47.689287][ C0] tcp_recvmsg+0x633/0x1a30 [ 47.693784][ C0] inet_recvmsg+0xbb/0x250 [ 47.698241][ C0] ? __tsan_read8+0x2c/0x30 [ 47.702743][ C0] ? inet_sendpage+0x100/0x100 [ 47.707515][ C0] sock_recvmsg+0x92/0xb0 [ 47.711834][ C0] sock_read_iter+0x15f/0x1e0 [ 47.716501][ C0] new_sync_read+0x389/0x4f0 [ 47.721073][ C0] __vfs_read+0xb1/0xc0 [ 47.725214][ C0] vfs_read+0x143/0x2c0 [ 47.729348][ C0] ksys_read+0xd5/0x1b0 [ 47.733491][ C0] __x64_sys_read+0x4c/0x60 [ 47.737973][ C0] do_syscall_64+0xcf/0x2f0 [ 47.742472][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.748350][ C0] RIP: 0033:0x47c530 [ 47.752226][ 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 [ 47.771812][ C0] RSP: 002b:000000c4202e17d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 47.780205][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 47.788184][ C0] RDX: 0000000000001000 RSI: 000000c420158000 RDI: 0000000000000003 [ 47.796141][ C0] RBP: 000000c4202e1830 R08: 0000000000000000 R09: 0000000000000000 [ 47.804103][ C0] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000003 [ 47.812052][ C0] R13: 000000c420020a78 R14: 0000000000000002 R15: ffffffffffffffff [ 47.821355][ C0] Kernel Offset: disabled [ 47.825679][ C0] Rebooting in 86400 seconds..