Warning: Permanently added '10.128.1.37' (ECDSA) to the list of known hosts. 2019/10/21 10:26:31 fuzzer started 2019/10/21 10:26:32 dialing manager at 10.128.0.105:43535 2019/10/21 10:26:32 syscalls: 2524 2019/10/21 10:26:32 code coverage: enabled 2019/10/21 10:26:32 comparison tracing: enabled 2019/10/21 10:26:32 extra coverage: extra coverage is not supported by the kernel 2019/10/21 10:26:32 setuid sandbox: enabled 2019/10/21 10:26:32 namespace sandbox: enabled 2019/10/21 10:26:32 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/21 10:26:32 fault injection: enabled 2019/10/21 10:26:32 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/21 10:26:32 net packet injection: enabled 2019/10/21 10:26:32 net device setup: enabled 2019/10/21 10:26:32 concurrency sanitizer: enabled syzkaller login: [ 53.350217][ T7240] ================================================================== [ 53.358338][ T7240] BUG: KCSAN: data-race in ktime_get_seconds / timekeeping_advance [ 53.366209][ T7240] [ 53.368515][ T7240] write to 0xffffffff86040b08 of 280 bytes by interrupt on cpu 0: [ 53.376289][ T7240] timekeeping_advance+0x893/0xd80 [ 53.381370][ T7240] update_wall_time+0x19/0x20 [ 53.386020][ T7240] tick_do_update_jiffies64+0x1ae/0x260 [ 53.391540][ T7240] tick_sched_do_timer+0xd4/0xe0 [ 53.396449][ T7240] tick_sched_timer+0x43/0xe0 [ 53.401096][ T7240] __hrtimer_run_queues+0x288/0x600 [ 53.406263][ T7240] hrtimer_interrupt+0x22a/0x480 [ 53.411173][ T7240] smp_apic_timer_interrupt+0xdc/0x280 [ 53.416642][ T7240] apic_timer_interrupt+0xf/0x20 [ 53.421552][ T7240] __kcsan_check_watchpoint+0x26/0x180 [ 53.427012][ T7240] __tsan_write4+0x18/0x40 [ 53.431402][ T7240] __rcu_read_unlock+0xc7/0x3c0 [ 53.436226][ T7240] netif_receive_skb_internal+0x61/0x190 [ 53.441829][ T7240] napi_gro_receive+0x28f/0x330 [ 53.446644][ T7240] [ 53.448952][ T7240] read to 0xffffffff86040b80 of 8 bytes by task 7240 on cpu 1: [ 53.456465][ T7240] ktime_get_seconds+0x45/0x70 [ 53.461201][ T7240] tcp_rcv_established+0xeeb/0xf50 [ 53.466285][ T7240] tcp_v4_do_rcv+0x381/0x4e0 [ 53.470849][ T7240] __release_sock+0x135/0x1e0 [ 53.475497][ T7240] release_sock+0x61/0x160 [ 53.479886][ T7240] tcp_recvmsg+0x63b/0x1a30 [ 53.484361][ T7240] inet_recvmsg+0xbb/0x250 [ 53.488750][ T7240] sock_recvmsg+0x92/0xb0 [ 53.493052][ T7240] sock_read_iter+0x15f/0x1e0 [ 53.497702][ T7240] new_sync_read+0x389/0x4f0 [ 53.502263][ T7240] __vfs_read+0xb1/0xc0 [ 53.506392][ T7240] vfs_read+0x143/0x2c0 [ 53.510527][ T7240] ksys_read+0xd5/0x1b0 [ 53.514694][ T7240] [ 53.516996][ T7240] Reported by Kernel Concurrency Sanitizer on: [ 53.523126][ T7240] CPU: 1 PID: 7240 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 53.530553][ T7240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.540584][ T7240] ================================================================== [ 53.548620][ T7240] Kernel panic - not syncing: panic_on_warn set ... [ 53.555185][ T7240] CPU: 1 PID: 7240 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 53.562610][ T7240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.572639][ T7240] Call Trace: [ 53.575909][ T7240] dump_stack+0xf5/0x159 [ 53.580137][ T7240] panic+0x210/0x640 [ 53.584018][ T7240] ? sock_read_iter+0x15f/0x1e0 [ 53.588844][ T7240] ? vprintk_func+0x8d/0x140 [ 53.593418][ T7240] kcsan_report.cold+0xc/0x10 [ 53.598080][ T7240] __kcsan_setup_watchpoint+0x32e/0x4a0 [ 53.603600][ T7240] __tsan_read8+0x2c/0x30 [ 53.607906][ T7240] ktime_get_seconds+0x45/0x70 [ 53.612644][ T7240] tcp_rcv_established+0xeeb/0xf50 [ 53.617744][ T7240] ? ipv4_dst_check+0xc6/0xf0 [ 53.622415][ T7240] tcp_v4_do_rcv+0x381/0x4e0 [ 53.626982][ T7240] __release_sock+0x135/0x1e0 [ 53.631634][ T7240] release_sock+0x61/0x160 [ 53.636063][ T7240] tcp_recvmsg+0x63b/0x1a30 [ 53.640545][ T7240] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 53.646153][ T7240] inet_recvmsg+0xbb/0x250 [ 53.650543][ T7240] ? __tsan_read8+0x2c/0x30 [ 53.655023][ T7240] ? inet_sendpage+0x100/0x100 [ 53.659761][ T7240] sock_recvmsg+0x92/0xb0 [ 53.664065][ T7240] sock_read_iter+0x15f/0x1e0 [ 53.668722][ T7240] new_sync_read+0x389/0x4f0 [ 53.673291][ T7240] __vfs_read+0xb1/0xc0 [ 53.677434][ T7240] vfs_read+0x143/0x2c0 [ 53.681579][ T7240] ksys_read+0xd5/0x1b0 [ 53.685713][ T7240] __x64_sys_read+0x4c/0x60 [ 53.690204][ T7240] do_syscall_64+0xcc/0x370 [ 53.694700][ T7240] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.700616][ T7240] RIP: 0033:0x47c530 [ 53.704495][ T7240] 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 [ 53.724094][ T7240] RSP: 002b:000000c4204fb7d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 53.732482][ T7240] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 53.740427][ T7240] RDX: 0000000000001000 RSI: 000000c4201aa000 RDI: 0000000000000003 [ 53.748372][ T7240] RBP: 000000c4204fb830 R08: 0000000000000000 R09: 0000000000000000 [ 53.756317][ T7240] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000020 [ 53.764262][ T7240] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff [ 53.773535][ T7240] Kernel Offset: disabled [ 53.777854][ T7240] Rebooting in 86400 seconds..