Warning: Permanently added '10.128.0.64' (ECDSA) to the list of known hosts. 2020/05/25 13:12:49 fuzzer started 2020/05/25 13:12:49 dialing manager at 10.128.0.105:40969 2020/05/25 13:12:49 syscalls: 3055 2020/05/25 13:12:49 code coverage: enabled 2020/05/25 13:12:49 comparison tracing: enabled 2020/05/25 13:12:49 extra coverage: enabled 2020/05/25 13:12:49 setuid sandbox: enabled 2020/05/25 13:12:49 namespace sandbox: enabled 2020/05/25 13:12:49 Android sandbox: /sys/fs/selinux/policy does not exist 2020/05/25 13:12:49 fault injection: enabled 2020/05/25 13:12:49 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/05/25 13:12:49 net packet injection: enabled 2020/05/25 13:12:49 net device setup: enabled 2020/05/25 13:12:49 concurrency sanitizer: enabled 2020/05/25 13:12:49 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/05/25 13:12:49 USB emulation: enabled 2020/05/25 13:12:51 adding functions to KCSAN blacklist: 'ep_poll' 'dd_has_work' 'blk_mq_dispatch_rq_list' 'do_nanosleep' 'blk_mq_get_request' 'generic_write_end' 'copy_process' 'find_get_pages_range_tag' 'run_timer_softirq' 'xas_find_marked' 'mod_timer' '__ext4_new_inode' 'xas_clear_mark' 'echo_char' 'generic_fillattr' [ 77.511464][ C0] ================================================================== [ 77.519767][ C0] BUG: KCSAN: data-race in tick_sched_do_timer / tick_sched_do_timer [ 77.528143][ C0] [ 77.530480][ C0] write to 0xffffffff8764e210 of 4 bytes by interrupt on cpu 1: [ 77.538387][ C0] tick_sched_do_timer+0xb4/0xd0 [ 77.543854][ C0] tick_sched_timer+0x3f/0xd0 [ 77.548967][ C0] __hrtimer_run_queues+0x271/0x600 [ 77.554519][ C0] hrtimer_interrupt+0x226/0x490 [ 77.559621][ C0] smp_apic_timer_interrupt+0xd8/0x270 [ 77.565619][ C0] apic_timer_interrupt+0xf/0x20 [ 77.570547][ C0] __tsan_read1+0x83/0x110 [ 77.575221][ C0] nf_ct_seq_offset+0x43/0xd0 [ 77.580018][ C0] nf_conntrack_tcp_packet+0x565/0x2fe0 [ 77.585678][ C0] nf_conntrack_in+0x3fe/0xa60 [ 77.590769][ C0] ipv4_conntrack_in+0x23/0x40 [ 77.595520][ C0] nf_hook_slow+0x7c/0x160 [ 77.599985][ C0] nf_hook_slow_list+0x140/0x29f [ 77.605022][ C0] ip_sublist_rcv+0x4f9/0x530 [ 77.609947][ C0] ip_list_rcv+0x2f3/0x321 [ 77.614351][ C0] __netif_receive_skb_list_core+0x368/0x5c0 [ 77.620317][ C0] netif_receive_skb_list_internal+0x5c7/0x810 [ 77.626674][ C0] gro_normal_list.part.0+0x37/0xa0 [ 77.632321][ C0] gro_normal_one+0x14c/0x160 [ 77.637453][ C0] napi_gro_receive+0x27d/0x2f0 [ 77.642292][ C0] receive_buf+0x24c/0x3420 [ 77.646988][ C0] virtnet_poll+0x343/0x790 [ 77.651483][ C0] net_rx_action+0x3ad/0xac0 [ 77.656156][ C0] __do_softirq+0x118/0x34a [ 77.661379][ C0] run_ksoftirqd+0x41/0x60 [ 77.665882][ C0] smpboot_thread_fn+0x374/0x4a0 [ 77.670822][ C0] kthread+0x203/0x230 [ 77.674897][ C0] ret_from_fork+0x1f/0x30 [ 77.679420][ C0] [ 77.682404][ C0] read to 0xffffffff8764e210 of 4 bytes by interrupt on cpu 0: [ 77.691615][ C0] tick_sched_do_timer+0x2e/0xd0 [ 77.696631][ C0] tick_sched_timer+0x3f/0xd0 [ 77.701538][ C0] __hrtimer_run_queues+0x271/0x600 [ 77.707066][ C0] hrtimer_interrupt+0x226/0x490 [ 77.712347][ C0] smp_apic_timer_interrupt+0xd8/0x270 [ 77.717938][ C0] apic_timer_interrupt+0xf/0x20 [ 77.722873][ C0] __tsan_read4+0x0/0x110 [ 77.727196][ C0] ipt_do_table+0x6b1/0xe70 [ 77.731711][ C0] iptable_raw_hook+0x44/0x60 [ 77.736592][ C0] nf_hook_slow+0x7c/0x160 [ 77.741123][ C0] __ip_local_out+0x1f3/0x2b0 [ 77.746222][ C0] ip_local_out+0x2d/0x90 [ 77.750538][ C0] __ip_queue_xmit+0x3a6/0xa40 [ 77.755286][ C0] ip_queue_xmit+0x3e/0x50 [ 77.759728][ C0] __tcp_transmit_skb+0xe0c/0x1d80 [ 77.764843][ C0] __tcp_send_ack+0x22c/0x2f0 [ 77.769536][ C0] tcp_send_ack+0x2d/0x40 [ 77.774083][ C0] tcp_cleanup_rbuf+0x124/0x340 [ 77.779191][ C0] tcp_recvmsg+0x686/0x1ba0 [ 77.783802][ C0] inet_recvmsg+0xc1/0x250 [ 77.788268][ C0] sock_recvmsg+0x8e/0xb0 [ 77.792677][ C0] sock_read_iter+0x185/0x230 [ 77.797434][ C0] new_sync_read+0x416/0x450 [ 77.802009][ C0] __vfs_read+0x9e/0xb0 [ 77.806152][ C0] vfs_read+0x13e/0x2b0 [ 77.810364][ C0] ksys_read+0x16a/0x1a0 [ 77.814590][ C0] __x64_sys_read+0x49/0x60 [ 77.820092][ C0] do_syscall_64+0xc7/0x3b0 [ 77.824628][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.830501][ C0] [ 77.832814][ C0] Reported by Kernel Concurrency Sanitizer on: [ 77.838960][ C0] CPU: 0 PID: 8925 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0 [ 77.847268][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.858195][ C0] ================================================================== [ 77.866329][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 77.873079][ C0] CPU: 0 PID: 8925 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0 [ 77.881671][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.893092][ C0] Call Trace: [ 77.896378][ C0] [ 77.899351][ C0] dump_stack+0x11d/0x187 [ 77.903672][ C0] panic+0x210/0x640 [ 77.907647][ C0] ? vprintk_func+0x89/0x13a [ 77.912338][ C0] kcsan_report.cold+0xc/0x1a [ 77.917128][ C0] kcsan_setup_watchpoint+0x3fb/0x440 [ 77.922530][ C0] tick_sched_do_timer+0x2e/0xd0 [ 77.927492][ C0] tick_sched_timer+0x3f/0xd0 [ 77.932160][ C0] __hrtimer_run_queues+0x271/0x600 [ 77.937367][ C0] ? tick_sched_do_timer+0xd0/0xd0 [ 77.942469][ C0] hrtimer_interrupt+0x226/0x490 [ 77.947407][ C0] ? kvm_clock_read+0x14/0x30 [ 77.952082][ C0] smp_apic_timer_interrupt+0xd8/0x270 [ 77.957545][ C0] apic_timer_interrupt+0xf/0x20 [ 77.962552][ C0] [ 77.965485][ C0] RIP: 0010:__tsan_read4+0x0/0x110 [ 77.970593][ C0] Code: ba 01 00 00 00 be 02 00 00 00 e9 bb f4 ff ff ba 01 00 00 00 be 02 00 00 00 e9 bc f3 ff ff e9 27 fa ff ff 0f 1f 80 00 00 00 00 <48> ba ff ff ff ff ff ff 00 00 48 89 f8 49 89 f9 48 c1 e8 09 49 21 [ 77.990748][ C0] RSP: 0018:ffffc90000deb650 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 77.999329][ C0] RAX: ffff88812abd1080 RBX: ffff8881269bdd38 RCX: ffffffff88af0540 [ 78.007375][ C0] RDX: 0000000000000000 RSI: ffffffff852dec61 RDI: ffffffff8764e244 [ 78.015746][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00008881269bdd30 [ 78.023708][ C0] R10: 00008881269bdd2a R11: 00008881269bdd31 R12: ffffc90000deb758 [ 78.031892][ C0] R13: ffff8881269bdd30 R14: ffffc90000deb760 R15: ffff8881269bdcd8 [ 78.040183][ C0] ? ipt_do_table+0x6a1/0xe70 [ 78.045007][ C0] ipt_do_table+0x6b1/0xe70 [ 78.049616][ C0] ? preempt_schedule_common+0x32/0x80 [ 78.055607][ C0] ? iptable_raw_net_exit+0x90/0x90 [ 78.061016][ C0] iptable_raw_hook+0x44/0x60 [ 78.065687][ C0] nf_hook_slow+0x7c/0x160 [ 78.070377][ C0] __ip_local_out+0x1f3/0x2b0 [ 78.075086][ C0] ? constant_test_bit+0x20/0x20 [ 78.080178][ C0] ip_local_out+0x2d/0x90 [ 78.084722][ C0] __ip_queue_xmit+0x3a6/0xa40 [ 78.089997][ C0] ip_queue_xmit+0x3e/0x50 [ 78.094830][ C0] __tcp_transmit_skb+0xe0c/0x1d80 [ 78.099948][ C0] __tcp_send_ack+0x22c/0x2f0 [ 78.104622][ C0] tcp_send_ack+0x2d/0x40 [ 78.108939][ C0] tcp_cleanup_rbuf+0x124/0x340 [ 78.113791][ C0] tcp_recvmsg+0x686/0x1ba0 [ 78.118508][ C0] inet_recvmsg+0xc1/0x250 [ 78.123149][ C0] ? apparmor_socket_recvmsg+0x38/0x40 [ 78.128617][ C0] ? inet_sendpage+0xf0/0xf0 [ 78.134409][ C0] sock_recvmsg+0x8e/0xb0 [ 78.139169][ C0] sock_read_iter+0x185/0x230 [ 78.144065][ C0] new_sync_read+0x416/0x450 [ 78.148727][ C0] __vfs_read+0x9e/0xb0 [ 78.153003][ C0] vfs_read+0x13e/0x2b0 [ 78.157163][ C0] ksys_read+0x16a/0x1a0 [ 78.161540][ C0] __x64_sys_read+0x49/0x60 [ 78.166310][ C0] do_syscall_64+0xc7/0x3b0 [ 78.171206][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.177238][ C0] RIP: 0033:0x47c530 [ 78.181418][ 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 [ 78.201785][ C0] RSP: 002b:000000c4204d3810 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 78.210368][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 78.218491][ C0] RDX: 0000000000001000 RSI: 000000c4200ac000 RDI: 0000000000000003 [ 78.226755][ C0] RBP: 000000c4204d3868 R08: 0000000000000000 R09: 0000000000000000 [ 78.234856][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008 [ 78.242906][ C0] R13: ffffffffffffffff R14: 0000000000000008 R15: ffffffffffffffff [ 78.252824][ C0] Kernel Offset: disabled [ 78.257340][ C0] Rebooting in 86400 seconds..