ODEBUG: free active (active state 0) object type: timer_list hint: xprt_init_autodisconnect+0x0/0x160 net/sunrpc/xprt.c:1311 WARNING: CPU: 0 PID: 8564 at lib/debugobjects.c:481 debug_print_object+0x168/0x250 lib/debugobjects.c:481 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8564 Comm: syz-executor.1 Not tainted 5.5.0-rc6-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x3e kernel/panic.c:582 report_bug+0x289/0x300 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] fixup_bug arch/x86/kernel/traps.c:169 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:debug_print_object+0x168/0x250 lib/debugobjects.c:481 Code: dd c0 72 71 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd c0 72 71 88 48 c7 c7 20 68 71 88 e8 87 16 a6 fd <0f> 0b 83 05 f3 f0 db 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 RSP: 0018:ffffc90000007cf0 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff815e5396 RDI: fffff52000000f90 RBP: ffffc90000007d30 R08: ffff88801d6fc540 R09: ffffed1005a045c9 R10: ffffed1005a045c8 R11: ffff88802d022e43 R12: 0000000000000001 R13: ffffffff899ae240 R14: ffffffff81642340 R15: ffff8880282c98c0 __debug_check_no_obj_freed lib/debugobjects.c:963 [inline] debug_check_no_obj_freed+0x2d4/0x43f lib/debugobjects.c:994 kfree+0xf8/0x2c0 mm/slab.c:3756 __rcu_reclaim kernel/rcu/rcu.h:215 [inline] rcu_do_batch kernel/rcu/tree.c:2183 [inline] rcu_core+0x635/0x1540 kernel/rcu/tree.c:2408 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2417 __do_softirq+0x262/0x98c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:arch_local_irq_disable arch/x86/include/asm/paravirt.h:757 [inline] RIP: 0010:arch_local_irq_save arch/x86/include/asm/paravirt.h:770 [inline] RIP: 0010:lock_is_held_type+0xa4/0x320 kernel/locking/lockdep.c:4518 Code: 00 0f 85 58 02 00 00 48 83 3d d7 03 39 08 00 0f 84 0a 02 00 00 9c 58 0f 1f 44 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 45 c0 <48> c7 c0 e0 34 93 89 48 c1 e8 03 80 3c 10 00 0f 85 42 02 00 00 48 RSP: 0018:ffffc900045f73c0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000282 RBX: 0000000000000000 RCX: 1ffffffff14f6fee RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: ffff88801d6fcdd4 RBP: ffffc900045f7408 R08: 0000000000000003 R09: ffff88801d6fcdd0 R10: fffffbfff14f69b0 R11: ffffffff8a7b4d87 R12: ffff88801d6fc540 R13: 0000000000000235 R14: ffffffff899a3ec0 R15: 0000000000000400 lock_is_held include/linux/lockdep.h:361 [inline] ___might_sleep+0x242/0x2c0 kernel/sched/core.c:6765 __might_sleep+0x95/0x190 kernel/sched/core.c:6753 slab_pre_alloc_hook mm/slab.h:565 [inline] slab_alloc_node mm/slab.c:3227 [inline] kmem_cache_alloc_node+0x25e/0x740 mm/slab.c:3575 alloc_vmap_area+0x147/0x2080 mm/vmalloc.c:1108 __get_vm_area_node+0x17e/0x3b0 mm/vmalloc.c:2109 __vmalloc_node_range+0xce/0x790 mm/vmalloc.c:2541 __vmalloc_node mm/vmalloc.c:2601 [inline] __vmalloc_node_flags mm/vmalloc.c:2615 [inline] vmalloc+0x6b/0x90 mm/vmalloc.c:2640 xt_compat_init_offsets+0xe5/0x230 net/netfilter/x_tables.c:711 compat_table_info+0xb5/0x4c0 net/ipv4/netfilter/ip_tables.c:935 get_info+0x493/0x570 net/ipv6/netfilter/ip6_tables.c:989 compat_do_ipt_get_ctl net/ipv4/netfilter/ip_tables.c:1650 [inline] compat_do_ipt_get_ctl+0x3af/0x910 net/ipv4/netfilter/ip_tables.c:1641 compat_nf_sockopt net/netfilter/nf_sockopt.c:139 [inline] compat_nf_getsockopt+0x9b/0x140 net/netfilter/nf_sockopt.c:163 compat_ip_getsockopt net/ipv4/ip_sockglue.c:1613 [inline] compat_ip_getsockopt+0x19a/0x220 net/ipv4/ip_sockglue.c:1587 inet_csk_compat_getsockopt+0x97/0x120 net/ipv4/inet_connection_sock.c:1032 compat_tcp_getsockopt+0x4d/0x80 net/ipv4/tcp.c:3701 compat_sock_common_getsockopt+0xb2/0x140 net/core/sock.c:3119 __compat_sys_getsockopt+0x16c/0x2c0 net/compat.c:418 __do_compat_sys_socketcall net/compat.c:791 [inline] __se_compat_sys_socketcall net/compat.c:719 [inline] __ia32_compat_sys_socketcall+0x5dc/0x710 net/compat.c:719 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline] do_fast_syscall_32+0x27b/0xe16 arch/x86/entry/common.c:408 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f7ba39 Code: 00 00 00 89 d3 5b 5e 5f 5d c3 b8 80 96 98 00 eb c4 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000ffd2e5a0 EFLAGS: 00000282 ORIG_RAX: 0000000000000066 RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00000000ffd2e5bc RDX: 00000000ffd2e628 RSI: 0000000008132790 RDI: 00000000ffd2e67c RBP: 00000000ffd2e628 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..