Warning: Permanently added '10.128.0.132' (ECDSA) to the list of known hosts. 2019/10/13 14:17:45 fuzzer started 2019/10/13 14:17:46 dialing manager at 10.128.0.105:40973 2019/10/13 14:17:46 syscalls: 2523 2019/10/13 14:17:46 code coverage: enabled 2019/10/13 14:17:46 comparison tracing: enabled 2019/10/13 14:17:46 extra coverage: extra coverage is not supported by the kernel 2019/10/13 14:17:46 setuid sandbox: enabled 2019/10/13 14:17:46 namespace sandbox: enabled 2019/10/13 14:17:46 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/13 14:17:46 fault injection: enabled 2019/10/13 14:17:46 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/13 14:17:46 net packet injection: enabled 2019/10/13 14:17:46 net device setup: enabled 2019/10/13 14:17:46 concurrency sanitizer: enabled syzkaller login: [ 49.513431][ T7310] ================================================================== [ 49.521571][ T7310] BUG: KCSAN: data-race in ktime_get_seconds / timekeeping_advance [ 49.529562][ T7310] [ 49.531888][ T7310] write to 0xffffffff8603db08 of 280 bytes by interrupt on cpu 0: [ 49.539687][ T7310] timekeeping_advance+0x893/0xd80 [ 49.544778][ T7310] update_wall_time+0x19/0x20 [ 49.549541][ T7310] tick_do_update_jiffies64+0x1ae/0x260 [ 49.557934][ T7310] tick_sched_do_timer+0xd4/0xe0 [ 49.562878][ T7310] tick_sched_timer+0x43/0xe0 [ 49.567566][ T7310] __hrtimer_run_queues+0x288/0x600 [ 49.572927][ T7310] hrtimer_interrupt+0x22a/0x480 [ 49.577851][ T7310] smp_apic_timer_interrupt+0xdc/0x280 [ 49.583303][ T7310] apic_timer_interrupt+0xf/0x20 [ 49.588221][ T7310] __kcsan_check_watchpoint+0x0/0x180 [ 49.593575][ T7310] detach_buf_split+0x387/0x3d0 [ 49.598403][ T7310] virtqueue_get_buf_ctx+0x4b4/0x5c0 [ 49.603667][ T7310] virtnet_poll+0x493/0x7d0 [ 49.608160][ T7310] net_rx_action+0x3ae/0xa50 [ 49.612730][ T7310] [ 49.615047][ T7310] read to 0xffffffff8603db80 of 8 bytes by task 7310 on cpu 1: [ 49.622571][ T7310] ktime_get_seconds+0x49/0x60 [ 49.627314][ T7310] tcp_rcv_established+0xeeb/0xf50 [ 49.632577][ T7310] tcp_v4_do_rcv+0x381/0x4e0 [ 49.637148][ T7310] __release_sock+0x135/0x1e0 [ 49.641832][ T7310] release_sock+0x61/0x160 [ 49.646287][ T7310] tcp_recvmsg+0x63b/0x1a30 [ 49.650894][ T7310] inet_recvmsg+0xbb/0x250 [ 49.655345][ T7310] sock_recvmsg+0x92/0xb0 [ 49.659693][ T7310] sock_read_iter+0x15f/0x1e0 [ 49.664351][ T7310] new_sync_read+0x389/0x4f0 [ 49.668962][ T7310] __vfs_read+0xb1/0xc0 [ 49.673141][ T7310] vfs_read+0x143/0x2c0 [ 49.677292][ T7310] ksys_read+0xd5/0x1b0 [ 49.681432][ T7310] [ 49.683737][ T7310] Reported by Kernel Concurrency Sanitizer on: [ 49.689889][ T7310] CPU: 1 PID: 7310 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 49.697001][ T7310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.707750][ T7310] ================================================================== [ 49.715804][ T7310] Kernel panic - not syncing: panic_on_warn set ... [ 49.722372][ T7310] CPU: 1 PID: 7310 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 49.729692][ T7310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.739742][ T7310] Call Trace: [ 49.743019][ T7310] dump_stack+0xf5/0x159 [ 49.747334][ T7310] panic+0x209/0x639 [ 49.751211][ T7310] ? sock_read_iter+0x15f/0x1e0 [ 49.756133][ T7310] ? vprintk_func+0x8d/0x140 [ 49.761441][ T7310] kcsan_report.cold+0xc/0x1b [ 49.766100][ T7310] __kcsan_setup_watchpoint+0x3ee/0x510 [ 49.771713][ T7310] __tsan_read8+0x2c/0x30 [ 49.776020][ T7310] ktime_get_seconds+0x49/0x60 [ 49.780764][ T7310] tcp_rcv_established+0xeeb/0xf50 [ 49.785863][ T7310] ? ipv4_dst_check+0xc6/0xf0 [ 49.790534][ T7310] tcp_v4_do_rcv+0x381/0x4e0 [ 49.795109][ T7310] __release_sock+0x135/0x1e0 [ 49.799769][ T7310] release_sock+0x61/0x160 [ 49.805660][ T7310] tcp_recvmsg+0x63b/0x1a30 [ 49.810152][ T7310] inet_recvmsg+0xbb/0x250 [ 49.814619][ T7310] ? __tsan_read8+0x2c/0x30 [ 49.819744][ T7310] ? inet_sendpage+0x100/0x100 [ 49.824494][ T7310] sock_recvmsg+0x92/0xb0 [ 49.829712][ T7310] sock_read_iter+0x15f/0x1e0 [ 49.834377][ T7310] new_sync_read+0x389/0x4f0 [ 49.839038][ T7310] __vfs_read+0xb1/0xc0 [ 49.843197][ T7310] vfs_read+0x143/0x2c0 [ 49.847339][ T7310] ksys_read+0xd5/0x1b0 [ 49.851494][ T7310] __x64_sys_read+0x4c/0x60 [ 49.856135][ T7310] do_syscall_64+0xcf/0x2f0 [ 49.860624][ T7310] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.866500][ T7310] RIP: 0033:0x47c530 [ 49.870379][ T7310] 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 [ 49.889979][ T7310] RSP: 002b:000000c4204e97d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 49.898371][ T7310] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 49.906323][ T7310] RDX: 0000000000001000 RSI: 000000c4200ca000 RDI: 0000000000000003 [ 49.914276][ T7310] RBP: 000000c4204e9830 R08: 0000000000000000 R09: 0000000000000000 [ 49.922226][ T7310] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000007 [ 49.930182][ T7310] R13: 000000c4200214c0 R14: 0000000000000004 R15: ffffffffffffffff [ 49.939487][ T7310] Kernel Offset: disabled [ 49.943826][ T7310] Rebooting in 86400 seconds..