Warning: Permanently added '10.128.1.18' (ECDSA) to the list of known hosts. 2019/10/18 01:14:02 fuzzer started 2019/10/18 01:14:03 dialing manager at 10.128.0.105:43535 2019/10/18 01:14:03 syscalls: 2524 2019/10/18 01:14:03 code coverage: enabled 2019/10/18 01:14:03 comparison tracing: enabled 2019/10/18 01:14:03 extra coverage: extra coverage is not supported by the kernel 2019/10/18 01:14:03 setuid sandbox: enabled 2019/10/18 01:14:03 namespace sandbox: enabled 2019/10/18 01:14:03 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/18 01:14:03 fault injection: enabled 2019/10/18 01:14:03 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/18 01:14:03 net packet injection: enabled 2019/10/18 01:14:03 net device setup: enabled 2019/10/18 01:14:03 concurrency sanitizer: enabled syzkaller login: [ 57.509117][ C1] ================================================================== [ 57.517257][ C1] BUG: KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64 [ 57.526187][ C1] [ 57.528510][ C1] write to 0xffffffff86042008 of 8 bytes by interrupt on cpu 0: [ 57.536133][ C1] tick_do_update_jiffies64+0x105/0x260 [ 57.541672][ C1] tick_sched_do_timer+0xd4/0xe0 [ 57.546603][ C1] tick_sched_timer+0x43/0xe0 [ 57.551273][ C1] __hrtimer_run_queues+0x288/0x600 [ 57.556467][ C1] hrtimer_interrupt+0x22a/0x480 [ 57.561391][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 57.566826][ C1] apic_timer_interrupt+0xf/0x20 [ 57.571740][ C1] __kcsan_check_watchpoint+0x28/0x180 [ 57.577221][ C1] __tsan_read4+0x15/0x30 [ 57.581529][ C1] tcp_add_backlog+0x479/0xcc0 [ 57.586267][ C1] tcp_v4_rcv+0x1a60/0x1bb0 [ 57.590802][ C1] ip_protocol_deliver_rcu+0x4d/0x420 [ 57.596153][ C1] ip_local_deliver_finish+0x110/0x140 [ 57.601584][ C1] ip_local_deliver+0x133/0x210 [ 57.606400][ C1] [ 57.608749][ C1] read to 0xffffffff86042008 of 8 bytes by interrupt on cpu 1: [ 57.616275][ C1] tick_do_update_jiffies64+0x2b/0x260 [ 57.621707][ C1] tick_sched_do_timer+0xd4/0xe0 [ 57.626617][ C1] tick_sched_timer+0x43/0xe0 [ 57.631275][ C1] __hrtimer_run_queues+0x288/0x600 [ 57.636447][ C1] hrtimer_interrupt+0x22a/0x480 [ 57.641361][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 57.646799][ C1] apic_timer_interrupt+0xf/0x20 [ 57.651728][ C1] __sanitizer_cov_trace_pc+0x14/0x50 [ 57.657078][ C1] tcp_rcv_established+0xcee/0xf50 [ 57.663121][ C1] tcp_v4_do_rcv+0x381/0x4e0 [ 57.667703][ C1] __release_sock+0x135/0x1e0 [ 57.672365][ C1] release_sock+0x61/0x160 [ 57.676758][ C1] tcp_recvmsg+0x63b/0x1a30 [ 57.681228][ C1] [ 57.683544][ C1] Reported by Kernel Concurrency Sanitizer on: [ 57.689690][ C1] CPU: 1 PID: 7321 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 57.697113][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.707140][ C1] ================================================================== [ 57.715173][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 57.721738][ C1] CPU: 1 PID: 7321 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 57.729162][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.739196][ C1] Call Trace: [ 57.742452][ C1] [ 57.745283][ C1] dump_stack+0xf5/0x159 [ 57.749502][ C1] panic+0x210/0x640 [ 57.753382][ C1] ? tcp_rcv_established+0xcee/0xf50 [ 57.758643][ C1] ? vprintk_func+0x8d/0x140 [ 57.763212][ C1] kcsan_report.cold+0xc/0x10 [ 57.767870][ C1] __kcsan_setup_watchpoint+0x32e/0x4a0 [ 57.773389][ C1] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 57.779010][ C1] __tsan_read8+0x2c/0x30 [ 57.783317][ C1] tick_do_update_jiffies64+0x2b/0x260 [ 57.788751][ C1] tick_sched_do_timer+0xd4/0xe0 [ 57.793684][ C1] tick_sched_timer+0x43/0xe0 [ 57.798347][ C1] __hrtimer_run_queues+0x288/0x600 [ 57.803532][ C1] ? tick_sched_do_timer+0xe0/0xe0 [ 57.808620][ C1] hrtimer_interrupt+0x22a/0x480 [ 57.813547][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 57.818990][ C1] ? smp_reschedule_interrupt+0x71/0x1d0 [ 57.824608][ C1] apic_timer_interrupt+0xf/0x20 [ 57.829514][ C1] [ 57.832433][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x14/0x50 [ 57.838563][ C1] Code: 04 00 00 00 00 e9 6a f1 ff ff 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 48 8b 04 25 40 6c 01 00 65 8b 15 14 a4 bb 7e <81> e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 08 0a 00 00 83 fa 02 75 [ 57.858139][ C1] RSP: 0018:ffffc90001677980 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 57.866522][ C1] RAX: ffff88812a3be080 RBX: 0000000000000000 RCX: ffffffff83aebd58 [ 57.874467][ C1] RDX: 0000000080000000 RSI: ffffffff83f0dc18 RDI: 0000000000000005 [ 57.882415][ C1] RBP: ffffc90001677980 R08: ffff88812a3be080 R09: 0000888129393667 [ 57.890360][ C1] R10: 00000000aaaaaaab R11: ffffffff86045cb0 R12: ffff888129393200 [ 57.898304][ C1] R13: ffff888125cc6000 R14: 00000000ed7c23e2 R15: 00000000ed7c23e2 [ 57.906258][ C1] ? sk_reset_timer+0x38/0x70 [ 57.910913][ C1] ? __tcp_ack_snd_check+0xe8/0x4f0 [ 57.916089][ C1] tcp_rcv_established+0xcee/0xf50 [ 57.921178][ C1] ? ipv4_dst_check+0xc6/0xf0 [ 57.925843][ C1] tcp_v4_do_rcv+0x381/0x4e0 [ 57.930413][ C1] __release_sock+0x135/0x1e0 [ 57.935083][ C1] release_sock+0x61/0x160 [ 57.939480][ C1] tcp_recvmsg+0x63b/0x1a30 [ 57.943967][ C1] inet_recvmsg+0xbb/0x250 [ 57.948359][ C1] ? __tsan_read8+0x2c/0x30 [ 57.952839][ C1] ? inet_sendpage+0x100/0x100 [ 57.957595][ C1] sock_recvmsg+0x92/0xb0 [ 57.961901][ C1] sock_read_iter+0x15f/0x1e0 [ 57.966559][ C1] new_sync_read+0x389/0x4f0 [ 57.971133][ C1] __vfs_read+0xb1/0xc0 [ 57.975262][ C1] vfs_read+0x143/0x2c0 [ 57.979400][ C1] ksys_read+0xd5/0x1b0 [ 57.983535][ C1] __x64_sys_read+0x4c/0x60 [ 57.988028][ C1] do_syscall_64+0xcc/0x370 [ 57.992512][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.998387][ C1] RIP: 0033:0x47c530 [ 58.002270][ 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 [ 58.021847][ C1] RSP: 002b:000000c4201b5810 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 58.030239][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 58.038192][ C1] RDX: 0000000000001000 RSI: 000000c4203c0000 RDI: 0000000000000003 [ 58.046146][ C1] RBP: 000000c4201b5868 R08: 0000000000000000 R09: 0000000000000000 [ 58.054102][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008 [ 58.062049][ C1] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff [ 58.071205][ C1] Kernel Offset: disabled [ 58.075521][ C1] Rebooting in 86400 seconds..