FS-Cache: N-cookie c=00000000d80c8c66 [p=00000000a271d594 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d1345faf n=0000000022fe3e76 FS-Cache: N-key=[10] '0200020000807f000008' ------------[ cut here ]------------ ODEBUG: free active (active state 0) object type: timer_list hint: xprt_init_autodisconnect+0x0/0x220 include/linux/list.h:64 WARNING: CPU: 0 PID: 9 at lib/debugobjects.c:325 debug_print_object+0x16a/0x250 lib/debugobjects.c:325 QAT: Invalid ioctl Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.0.0-rc3+ #44 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 kobject: 'loop5' (00000000eadb8428): kobject_uevent_env panic+0x2cb/0x65c kernel/panic.c:214 kobject: 'loop5' (00000000eadb8428): fill_kobj_path: path = '/devices/virtual/block/loop5' __warn.cold+0x20/0x48 kernel/panic.c:571 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:debug_print_object+0x16a/0x250 lib/debugobjects.c:325 Code: dd 20 c8 81 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd 20 c8 81 88 48 c7 c7 c0 bd 81 88 e8 56 34 ba fd <0f> 0b 83 05 71 01 cb 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 RSP: 0018:ffff8880a945f948 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff816854c6 RDI: 0000000000000005 RBP: ffff8880a945f988 R08: ffff8880a9446240 R09: ffffed1015cc3ef9 R10: ffffed1015cc3ef8 R11: ffff8880ae61f7c7 R12: 0000000000000001 R13: ffffffff899adc60 R14: ffffffff816ea800 R15: dffffc0000000000 __debug_check_no_obj_freed lib/debugobjects.c:785 [inline] debug_check_no_obj_freed+0x39d/0x588 lib/debugobjects.c:817 kfree+0xbd/0x230 mm/slab.c:3805 __rcu_reclaim kernel/rcu/rcu.h:233 [inline] rcu_do_batch kernel/rcu/tree.c:2452 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2773 [inline] rcu_process_callbacks+0xd76/0x1680 kernel/rcu/tree.c:2754 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 run_ksoftirqd kernel/softirq.c:654 [inline] run_ksoftirqd+0x8e/0x110 kernel/softirq.c:646 smpboot_thread_fn+0x6ab/0xa10 kernel/smpboot.c:164 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 ======================================================