Warning: Permanently added '10.128.0.207' (ECDSA) to the list of known hosts. 2020/08/05 01:50:19 fuzzer started 2020/08/05 01:50:19 connecting to host at 10.128.0.105:38685 2020/08/05 01:50:19 checking machine... 2020/08/05 01:50:19 checking revisions... 2020/08/05 01:50:19 testing simple program... 2020/08/05 01:50:20 building call list... syzkaller login: [ 34.985417][ T8712] IPVS: ftp: loaded support on port[0] = 21 [ 35.169870][ T5] ------------[ cut here ]------------ [ 35.175521][ T5] WARNING: CPU: 0 PID: 5 at kernel/softirq.c:175 __local_bh_enable_ip+0xdf/0x100 [ 35.184752][ T5] Kernel panic - not syncing: panic_on_warn set ... [ 35.191335][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.8.0-syzkaller #0 [ 35.199294][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.209340][ T5] Workqueue: rcu_gp srcu_invoke_callbacks [ 35.215048][ T5] Call Trace: [ 35.218326][ T5] dump_stack+0x16e/0x25d [ 35.222638][ T5] panic+0x20c/0x69a [ 35.226527][ T5] ? __local_bh_enable_ip+0xdf/0x100 [ 35.231795][ T5] __warn+0x211/0x240 [ 35.235765][ T5] ? __local_bh_enable_ip+0xdf/0x100 [ 35.241033][ T5] report_bug+0x153/0x1d0 [ 35.245348][ T5] handle_bug+0x4d/0x90 [ 35.249486][ T5] exc_invalid_op+0x16/0x70 [ 35.253975][ T5] asm_exc_invalid_op+0x12/0x20 [ 35.258819][ T5] RIP: 0010:__local_bh_enable_ip+0xdf/0x100 [ 35.264735][ T5] Code: 00 00 65 8b 05 ae bd cf 7e 85 c0 75 05 e8 10 9e ce ff 5b 41 5e c3 0f 0b 83 3d 40 de 2f 07 00 0f 85 49 ff ff ff e9 53 ff ff ff <0f> 0b e9 4c ff ff ff e8 15 00 00 00 eb aa 0f 0b 0f 0b 0f 1f 44 00 [ 35.284333][ T5] RSP: 0018:ffffc90000c93d00 EFLAGS: 00010246 [ 35.290435][ T5] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000201 [ 35.298390][ T5] RDX: ffff88812b7b29a0 RSI: 0000000000000200 RDI: ffffffff813f98c4 [ 35.306335][ T5] RBP: ffffc90000c93d18 R08: ffffffff814fdba4 R09: 0010ffff880ba8f8 [ 35.314287][ T5] R10: 0000000000000000 R11: 00000000fa83b2da R12: ffffc90000dbfc98 [ 35.322254][ T5] R13: ffffc90000c93d38 R14: ffffffff813f98c4 R15: ffffe8ffffc07380 [ 35.330232][ T5] ? local_bh_enable+0x4/0x20 [ 35.334918][ T5] ? trace_hardirqs_off+0x24/0x80 [ 35.339928][ T5] ? local_bh_enable+0x4/0x20 [ 35.344591][ T5] local_bh_enable+0x15/0x20 [ 35.349180][ T5] srcu_invoke_callbacks+0xfc/0x1e0 [ 35.354470][ T5] process_one_work+0x46d/0x920 [ 35.359315][ T5] worker_thread+0x665/0xbe0 [ 35.363932][ T5] ? rcu_lock_release+0x20/0x20 [ 35.368758][ T5] kthread+0x216/0x230 [ 35.372802][ T5] ? rcu_lock_release+0x20/0x20 [ 35.377641][ T5] ? kthread_blkcg+0x80/0x80 [ 35.382269][ T5] ret_from_fork+0x1f/0x30 [ 35.388103][ T5] Kernel Offset: disabled [ 35.392462][ T5] Rebooting in 86400 seconds..