Warning: Permanently added '[localhost]:17397' (ECDSA) to the list of known hosts. 2020/07/06 08:12:02 fuzzer started 2020/07/06 08:12:03 dialing manager at 10.0.2.10:42611 2020/07/06 08:12:03 syscalls: 3100 2020/07/06 08:12:03 code coverage: enabled 2020/07/06 08:12:03 comparison tracing: enabled 2020/07/06 08:12:03 extra coverage: enabled 2020/07/06 08:12:03 setuid sandbox: enabled 2020/07/06 08:12:03 namespace sandbox: enabled 2020/07/06 08:12:03 Android sandbox: /sys/fs/selinux/policy does not exist 2020/07/06 08:12:03 fault injection: enabled 2020/07/06 08:12:03 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/07/06 08:12:03 net packet injection: enabled 2020/07/06 08:12:03 net device setup: enabled 2020/07/06 08:12:03 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/07/06 08:12:03 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/07/06 08:12:03 USB emulation: enabled syzkaller login: [ 204.904369][ C2] ------------[ cut here ]------------ [ 204.904369][ C2] WARNING: CPU: 2 PID: 4032 at kernel/sched/sched.h:1132 update_curr+0x295/0x8a0 [ 204.904369][ C2] Kernel panic - not syncing: panic_on_warn set ... [ 204.904369][ C2] CPU: 2 PID: 4032 Comm: kworker/2:1H Not tainted 5.8.0-rc2-syzkaller #0 [ 204.904369][ C2] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 204.904369][ C2] Workqueue: kblockd blk_mq_run_work_fn [ 204.904369][ C2] Call Trace: [ 204.904369][ C2] [ 204.904369][ C2] dump_stack+0x18f/0x20d [ 204.904369][ C2] ? update_curr+0x1b0/0x8a0 [ 204.904369][ C2] panic+0x2e3/0x75c [ 204.904369][ C2] ? __warn_printk+0xf3/0xf3 [ 204.904369][ C2] ? printk+0xba/0xed [ 204.904369][ C2] ? log_store.cold+0x16/0x16 [ 204.904369][ C2] ? update_curr+0x295/0x8a0 [ 204.904369][ C2] ? __warn.cold+0x14/0x3a [ 204.904369][ C2] ? __warn+0xd6/0x1b2 [ 204.904369][ C2] ? update_curr+0x295/0x8a0 [ 204.904369][ C2] __warn.cold+0x2f/0x3a [ 204.904369][ C2] ? update_curr+0x295/0x8a0 [ 204.904369][ C2] report_bug+0x271/0x2f0 [ 204.904369][ C2] exc_invalid_op+0x1b9/0x370 [ 204.904369][ C2] asm_exc_invalid_op+0x12/0x20 [ 204.904369][ C2] RIP: 0010:update_curr+0x295/0x8a0 [ 204.904369][ C2] Code: 80 3c 02 00 0f 85 5c 05 00 00 4c 01 65 20 e9 af fe ff ff 49 8d 7c 24 18 be ff ff ff ff e8 b3 38 8d 06 85 c0 0f 85 04 fe ff ff <0f> 0b e9 fd fd ff ff 4c 8d 73 80 0f 1f 44 00 00 65 44 8b 2d 63 ba [ 204.904369][ C2] RSP: 0018:ffffc90000540858 EFLAGS: 00010046 [ 204.904369][ C2] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 204.904369][ C2] RDX: dffffc0000000000 RSI: ffff88802cf35e18 RDI: 0000000000000086 [ 204.904369][ C2] RBP: ffff88802cf35ec0 R08: 0000000000000000 R09: ffffed1005a06d9c [ 204.904369][ C2] R10: ffff88802d036cdb R11: 0000000000000000 R12: ffff88802cf35e00 [ 204.904369][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff88802920c7c0 [ 204.904369][ C2] ? update_curr+0x28d/0x8a0 [ 204.904369][ C2] enqueue_entity+0x1eb/0x1830 [ 204.904369][ C2] enqueue_task_fair+0x1a0/0x1a30 [ 204.904369][ C2] activate_task+0x10d/0x3f0 [ 204.904369][ C2] ttwu_do_activate+0xca/0x130 [ 204.904369][ C2] sched_ttwu_pending+0x16f/0x200 [ 204.904369][ C2] ? sched_set_stop_task+0x210/0x210 [ 204.904369][ C2] flush_smp_call_function_queue+0x409/0x6e0 [ 204.904369][ C2] ? check_preemption_disabled+0x38/0x220 [ 204.904369][ C2] __sysvec_call_function_single+0x98/0x490 [ 204.904369][ C2] sysvec_call_function_single+0xe6/0x210 [ 204.904369][ C2] asm_sysvec_call_function_single+0x12/0x20 [ 204.904369][ C2] RIP: 0010:_raw_spin_unlock_irqrestore+0x8c/0xe0 [ 204.904369][ C2] Code: 48 c7 c0 80 b4 b4 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 37 48 83 3d 4b d7 d1 01 00 74 22 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 35 3f 6c f9 65 8b 05 6e 21 1f 78 [ 204.904369][ C2] RSP: 0018:ffffc90000540b90 EFLAGS: 00000286 [ 204.904369][ C2] RAX: 1ffffffff1369690 RBX: 0000000000000286 RCX: 1ffffffff155c832 [ 204.904369][ C2] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 204.904369][ C2] RBP: ffff8880275f8480 R08: 0000000000000000 R09: 0000000000000001 [ 204.904369][ C2] R10: ffffffff8c58dad7 R11: fffffbfff18b1b5a R12: 00000000ffffffff [ 204.904369][ C2] R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000286 [ 204.904369][ C2] __wake_up_common_lock+0xde/0x130 [ 204.904369][ C2] ? __wake_up_common+0x650/0x650 [ 204.904369][ C2] ? __lock_acquire+0x2224/0x48b0 [ 204.904369][ C2] rwb_wake_all+0x56/0x90 [ 204.904369][ C2] scale_up+0xc3/0x590 [ 204.904369][ C2] ? blk_stat_timer_fn+0x46f/0x650 [ 204.904369][ C2] wb_timer_fn+0xa59/0x1fa0 [ 204.904369][ C2] call_timer_fn+0x1ac/0x760 [ 204.904369][ C2] ? blk_stat_free_callback_rcu+0x80/0x80 [ 204.904369][ C2] ? msleep_interruptible+0x130/0x130 [ 204.904369][ C2] ? _raw_spin_unlock_irq+0x1f/0x80 [ 204.904369][ C2] ? lockdep_hardirqs_on_prepare+0x1bc/0x590 [ 204.904369][ C2] ? blk_stat_free_callback_rcu+0x80/0x80 [ 204.904369][ C2] run_timer_softirq+0x60f/0x15d0 [ 204.904369][ C2] ? add_timer+0x830/0x830 [ 204.904369][ C2] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 204.904369][ C2] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 204.904369][ C2] ? lockdep_hardirqs_on_prepare+0x1bc/0x590 [ 204.904369][ C2] __do_softirq+0x268/0x9ee [ 204.904369][ C2] asm_call_on_stack+0xf/0x20 [ 204.904369][ C2] [ 204.904369][ C2] do_softirq_own_stack+0x131/0x170 [ 204.904369][ C2] irq_exit_rcu+0x18d/0x1d0 [ 204.904369][ C2] sysvec_apic_timer_interrupt+0xeb/0x210 [ 204.904369][ C2] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 204.904369][ C2] RIP: 0010:_raw_spin_unlock_irqrestore+0x8c/0xe0 [ 204.904369][ C2] Code: 48 c7 c0 80 b4 b4 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 37 48 83 3d 4b d7 d1 01 00 74 22 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 35 3f 6c f9 65 8b 05 6e 21 1f 78 [ 204.904369][ C2] RSP: 0018:ffffc900017978a8 EFLAGS: 00000286 [ 204.904369][ C2] RAX: 1ffffffff1369690 RBX: 0000000000000286 RCX: 1ffffffff155c832 [ 204.904369][ C2] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 204.904369][ C2] RBP: ffff8880767b6400 R08: 0000000000000000 R09: 0000000000000001 [ 204.904369][ C2] R10: ffffffff8c58da7f R11: fffffbfff18b1b4f R12: 0000000000000000 [ 204.904369][ C2] R13: 0000000000000286 R14: ffff888075bb0010 R15: ffff88802229e000 [ 204.904369][ C2] ata_scsi_queuecmd+0xdc/0x190 [ 204.904369][ C2] scsi_queue_rq+0x1868/0x2f90 [ 204.904369][ C2] blk_mq_dispatch_rq_list+0x308/0x1d80 [ 204.904369][ C2] ? lock_downgrade+0x840/0x840 [ 204.904369][ C2] ? elv_rb_del+0x50/0x90 [ 204.904369][ C2] ? elv_rqhash_del+0x114/0x160 [ 204.904369][ C2] ? blk_mq_dequeue_from_ctx+0x850/0x850 [ 204.904369][ C2] ? do_raw_spin_unlock+0x171/0x260 [ 204.904369][ C2] ? _raw_spin_unlock+0x24/0x40 [ 204.904369][ C2] ? dd_dispatch_request+0x240/0x8a0 [ 204.904369][ C2] blk_mq_do_dispatch_sched+0x32c/0x4f0 [ 204.904369][ C2] ? scsi_mq_get_budget+0x1/0x230 [ 204.904369][ C2] ? blk_mq_sched_free_hctx_data+0x1e0/0x1e0 [ 204.904369][ C2] ? hctx_lock+0x7f/0x1d0 [ 204.904369][ C2] __blk_mq_sched_dispatch_requests+0x33f/0x560 [ 204.904369][ C2] ? blk_mq_sched_mark_restart_hctx+0x80/0x80 [ 204.904369][ C2] ? lock_acquire+0x1f2/0x8f0 [ 204.904369][ C2] ? check_preemption_disabled+0x38/0x220 [ 204.904369][ C2] blk_mq_sched_dispatch_requests+0xfb/0x180 [ 204.904369][ C2] __blk_mq_run_hw_queue+0x1b8/0x2c0 [ 204.904369][ C2] ? blk_mq_hctx_notify_offline+0x7b0/0x7b0 [ 204.904369][ C2] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 204.904369][ C2] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 204.904369][ C2] blk_mq_run_work_fn+0x55/0x70 [ 204.904369][ C2] process_one_work+0x965/0x1690 [ 204.904369][ C2] ? lock_release+0x800/0x800 [ 204.904369][ C2] ? pwq_dec_nr_in_flight+0x310/0x310 [ 204.904369][ C2] ? rwlock_bug.part.0+0x90/0x90 [ 204.904369][ C2] worker_thread+0x96/0xe10 [ 204.904369][ C2] ? process_one_work+0x1690/0x1690 [ 204.904369][ C2] kthread+0x3b5/0x4a0 [ 204.904369][ C2] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 204.904369][ C2] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 204.904369][ C2] ret_from_fork+0x1f/0x30 [ 204.904369][ C2] Kernel Offset: disabled