------------[ cut here ]------------ ODEBUG: free active (active state 0) object type: timer_list hint: xprt_init_autodisconnect+0x0/0x170 net/sunrpc/xprt.c:97 WARNING: CPU: 0 PID: 14027 at lib/debugobjects.c:325 debug_print_object+0x16a/0x250 lib/debugobjects.c:325 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 14027 Comm: syz-executor.0 Not tainted 5.0.0+ #26 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+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2cb/0x65c kernel/panic.c:214 __warn.cold+0x20/0x45 kernel/panic.c:571 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:debug_print_object+0x16a/0x250 lib/debugobjects.c:325 Code: dd 80 e2 a1 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd 80 e2 a1 87 48 c7 c7 20 d8 a1 87 e8 24 1a 12 fe <0f> 0b 83 05 51 54 2d 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 RSP: 0018:ffff8880ae807d08 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff815ae266 RDI: ffffed1015d00f93 RBP: ffff8880ae807d48 R08: ffff888090110400 R09: ffffed1015d03ef1 R10: ffffed1015d03ef0 R11: ffff8880ae81f787 R12: 0000000000000001 R13: ffffffff889af600 R14: ffffffff816049b0 R15: ffff888085deed40 __debug_check_no_obj_freed lib/debugobjects.c:785 [inline] debug_check_no_obj_freed+0x29f/0x464 lib/debugobjects.c:817 kfree+0xbd/0x230 mm/slab.c:3820 __rcu_reclaim kernel/rcu/rcu.h:220 [inline] rcu_do_batch kernel/rcu/tree.c:2475 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2788 [inline] rcu_core+0xa4b/0x1390 kernel/rcu/tree.c:2769 __do_softirq+0x266/0x95a kernel/softirq.c:293 invoke_softirq kernel/softirq.c:374 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:414 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x14a/0x570 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:clear_page_erms+0x7/0x10 arch/x86/lib/clear_page_64.S:48 Code: 48 89 47 18 48 89 47 20 48 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d9 90 c3 0f 1f 80 00 00 00 00 b9 00 10 00 00 31 c0 aa c3 90 90 90 90 90 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 RSP: 0018:ffff88805228fb78 EFLAGS: 00010246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: ffff888000000000 RCX: 0000000000000300 RDX: 1ffff110120222e7 RSI: ffffffff819aa146 RDI: ffff88803bc16d00 RBP: ffff88805228fb90 R08: ffff888090110400 R09: ffffed1015d05bc8 R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: ffff888090110400 R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000000 process_huge_page mm/memory.c:4437 [inline] clear_huge_page+0xb5/0x4d0 mm/memory.c:4497 __do_huge_pmd_anonymous_page mm/huge_memory.c:578 [inline] do_huge_pmd_anonymous_page+0x735/0x1730 mm/huge_memory.c:746 create_huge_pmd mm/memory.c:3700 [inline] __handle_mm_fault+0x2d5e/0x3ec0 mm/memory.c:3904 handle_mm_fault+0x43f/0xb30 mm/memory.c:3970 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline] __do_page_fault+0x5ef/0xda0 arch/x86/mm/fault.c:1541 do_page_fault+0x71/0x581 arch/x86/mm/fault.c:1572 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143 RIP: 0033:0x43f371 Code: 8d 15 13 5e 0a 00 8b 0c 8a 8b 04 82 29 c8 c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 fa 20 48 89 f8 73 77 f6 c2 01 74 0b 0f b6 0e <88> 0f 48 ff c6 48 ff c7 f6 c2 02 74 12 0f b7 0e 66 89 0f 48 83 c6 RSP: 002b:00007ffd801da938 EFLAGS: 00010202 RAX: 0000000020000040 RBX: 000000000073c900 RCX: 000000000000000a RDX: 000000000000000b RSI: 0000000000740080 RDI: 0000000020000040 RBP: 000000000073c900 R08: 000000004cc1c532 R09: 000000004cc1c536 R10: 00007ffd801daa00 R11: 0000000000000246 R12: fffffffffffffffe R13: 0000000000156334 R14: 00000000000003e8 R15: 000000000073bf0c ======================================================