Warning: Permanently added '10.128.0.37' (ECDSA) to the list of known hosts. 2020/06/17 11:07:55 fuzzer started 2020/06/17 11:07:55 dialing manager at 10.128.0.105:40489 2020/06/17 11:07:56 syscalls: 3085 2020/06/17 11:07:56 code coverage: enabled 2020/06/17 11:07:56 comparison tracing: enabled 2020/06/17 11:07:56 extra coverage: enabled 2020/06/17 11:07:56 setuid sandbox: enabled 2020/06/17 11:07:56 namespace sandbox: enabled 2020/06/17 11:07:56 Android sandbox: /sys/fs/selinux/policy does not exist 2020/06/17 11:07:56 fault injection: enabled 2020/06/17 11:07:56 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/06/17 11:07:56 net packet injection: enabled 2020/06/17 11:07:56 net device setup: enabled 2020/06/17 11:07:56 concurrency sanitizer: enabled 2020/06/17 11:07:56 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/06/17 11:07:56 USB emulation: enabled 2020/06/17 11:07:57 suppressing KCSAN reports in functions: 'ep_poll' 'ext4_sync_file' 'dd_has_work' 'alloc_pid' 'copy_process' 'ext4_free_inodes_count' 'generic_write_end' 'do_nanosleep' 'find_get_pages_range_tag' 'complete_signal' [ 57.043821][ C0] ================================================================== [ 57.052144][ C0] BUG: KCSAN: data-race in tick_sched_do_timer / tick_sched_do_timer [ 57.060186][ C0] [ 57.062520][ C0] write to 0xffffffff8764e210 of 4 bytes by interrupt on cpu 1: [ 57.070137][ C0] tick_sched_do_timer+0xb4/0xd0 [ 57.075056][ C0] tick_sched_timer+0x3f/0xd0 [ 57.079714][ C0] __hrtimer_run_queues+0x271/0x600 [ 57.084888][ C0] hrtimer_interrupt+0x226/0x490 [ 57.089805][ C0] smp_apic_timer_interrupt+0xd8/0x270 [ 57.095251][ C0] apic_timer_interrupt+0xf/0x20 [ 57.100181][ C0] __tsan_unaligned_write8+0x85/0x110 [ 57.105663][ C0] netif_receive_skb_list_internal+0x27c/0x810 [ 57.111905][ C0] gro_normal_list.part.0+0x37/0xa0 [ 57.117517][ C0] gro_normal_one+0x14c/0x160 [ 57.122170][ C0] napi_gro_receive+0x27d/0x2f0 [ 57.127013][ C0] receive_buf+0x24c/0x3420 [ 57.131510][ C0] virtnet_poll+0x343/0x790 [ 57.136005][ C0] net_rx_action+0x3ad/0xac0 [ 57.140672][ C0] __do_softirq+0x118/0x34a [ 57.145150][ C0] run_ksoftirqd+0x41/0x60 [ 57.149540][ C0] smpboot_thread_fn+0x374/0x4a0 [ 57.154463][ C0] kthread+0x203/0x230 [ 57.158521][ C0] ret_from_fork+0x1f/0x30 [ 57.162908][ C0] [ 57.165218][ C0] read to 0xffffffff8764e210 of 4 bytes by interrupt on cpu 0: [ 57.172738][ C0] tick_sched_do_timer+0x2e/0xd0 [ 57.177650][ C0] tick_sched_timer+0x3f/0xd0 [ 57.182300][ C0] __hrtimer_run_queues+0x271/0x600 [ 57.187486][ C0] hrtimer_interrupt+0x226/0x490 [ 57.192413][ C0] smp_apic_timer_interrupt+0xd8/0x270 [ 57.197956][ C0] apic_timer_interrupt+0xf/0x20 [ 57.202870][ C0] __sanitizer_cov_trace_pc+0x9/0x50 [ 57.208234][ C0] ksys_read+0x129/0x1a0 [ 57.212464][ C0] __x64_sys_read+0x49/0x60 [ 57.216951][ C0] do_syscall_64+0xc7/0x3b0 [ 57.221444][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.227548][ C0] [ 57.229893][ C0] Reported by Kernel Concurrency Sanitizer on: [ 57.236025][ C0] CPU: 0 PID: 8921 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0 [ 57.244254][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.254290][ C0] ================================================================== [ 57.262336][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 57.268913][ C0] CPU: 0 PID: 8921 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0 [ 57.277126][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.287152][ C0] Call Trace: [ 57.290409][ C0] [ 57.293247][ C0] dump_stack+0x11d/0x187 [ 57.297566][ C0] panic+0x210/0x640 [ 57.301438][ C0] ? vprintk_func+0x89/0x13a [ 57.306017][ C0] kcsan_report.cold+0xc/0x1a [ 57.310846][ C0] kcsan_setup_watchpoint+0x3fb/0x440 [ 57.316227][ C0] tick_sched_do_timer+0x2e/0xd0 [ 57.321166][ C0] tick_sched_timer+0x3f/0xd0 [ 57.325824][ C0] __hrtimer_run_queues+0x271/0x600 [ 57.331017][ C0] ? tick_sched_do_timer+0xd0/0xd0 [ 57.336106][ C0] hrtimer_interrupt+0x226/0x490 [ 57.341021][ C0] ? kvm_clock_read+0x14/0x30 [ 57.345676][ C0] smp_apic_timer_interrupt+0xd8/0x270 [ 57.351108][ C0] apic_timer_interrupt+0xf/0x20 [ 57.356016][ C0] [ 57.358954][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x9/0x50 [ 57.365010][ C0] Code: cc 65 48 8b 04 25 40 8c 01 00 48 8b 80 68 0a 00 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 65 48 8b 04 25 40 8c 01 00 <65> 8b 15 38 ee ba 7e 81 e2 00 01 1f 00 48 8b 34 24 75 2b 8b 90 50 [ 57.384588][ C0] RSP: 0018:ffffc90003733eb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 57.393062][ C0] RAX: ffff888129cb1080 RBX: 0000000000000001 RCX: ffffffff8171a3eb [ 57.401009][ C0] RDX: 0000000000000000 RSI: ffffffff8171a4a2 RDI: 0000000000000001 [ 57.409026][ C0] RBP: ffff88811f764600 R08: ffff888129cb1080 R09: 0000888129cb1880 [ 57.417132][ C0] R10: 0000888129cb1880 R11: 0000888129cb1887 R12: fffffffffffffff5 [ 57.425100][ C0] R13: 0000000000000000 R14: 0000000000001000 R15: 0000000000000000 [ 57.433066][ C0] ? fput_many+0x2b/0x130 [ 57.437389][ C0] ? fput_many+0xe2/0x130 [ 57.441701][ C0] ksys_read+0x129/0x1a0 [ 57.445922][ C0] __x64_sys_read+0x49/0x60 [ 57.450404][ C0] do_syscall_64+0xc7/0x3b0 [ 57.454902][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.460780][ C0] RIP: 0033:0x4b3cdb [ 57.464667][ C0] Code: ff e9 69 ff ff ff cc cc cc cc cc cc cc cc cc e8 bb a1 f8 ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 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 [ 57.484336][ C0] RSP: 002b:000000c00030d8b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 57.492724][ C0] RAX: ffffffffffffffda RBX: 000000c00002e800 RCX: 00000000004b3cdb [ 57.500681][ C0] RDX: 0000000000001000 RSI: 000000c000338000 RDI: 0000000000000006 [ 57.508636][ C0] RBP: 000000c00030d908 R08: 0000000000000001 R09: 0000000000000002 [ 57.516597][ C0] R10: 0000000000003eca R11: 0000000000000212 R12: 0000000000004410 [ 57.524545][ C0] R13: 0000000000000200 R14: 0000000000000008 R15: 0000000000000002 [ 57.533189][ C0] Kernel Offset: disabled [ 57.537504][ C0] Rebooting in 86400 seconds..