------------[ cut here ]------------ ODEBUG: activate active (active state 1) object type: rcu_head hint: (null) WARNING: CPU: 1 PID: 8430 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 lib/debugobjects.c:325 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8430 Comm: syz-executor494 Not tainted 4.19.205-syzkaller #0 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+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:debug_print_object+0x160/0x250 lib/debugobjects.c:325 Code: dd a0 f0 b3 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd a0 f0 b3 88 48 c7 c7 c0 e4 b3 88 e8 c0 5e 7b 04 <0f> 0b 83 05 83 e1 af 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 RSP: 0018:ffff8880aefb7058 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814e0d61 RDI: ffffed1015df6dfd RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: ffffffff8c66405b R12: ffffffff89f85ec0 R13: 0000000000000000 R14: 1ffff11015df6e16 R15: ffffffff89f85ec0 debug_object_activate+0x2f1/0x450 lib/debugobjects.c:484 debug_rcu_head_queue kernel/rcu/rcu.h:193 [inline] __call_rcu.constprop.0+0x31/0x7f0 kernel/rcu/tree.c:2977 queue_rcu_work+0x75/0x90 kernel/workqueue.c:1634 route4_queue_work net/sched/cls_route.c:276 [inline] route4_destroy+0x4b2/0x7e0 net/sched/cls_route.c:302 tcf_proto_destroy net/sched/cls_api.c:190 [inline] tcf_chain_flush+0x219/0x3e0 net/sched/cls_api.c:362 tcf_block_put_ext.part.0+0x404/0x6e0 net/sched/cls_api.c:770 tcf_block_put_ext net/sched/cls_api.c:754 [inline] tcf_block_put+0xad/0x100 net/sched/cls_api.c:797 drr_destroy_qdisc+0x44/0x1d0 net/sched/sch_drr.c:464 qdisc_destroy+0x180/0x790 net/sched/sch_generic.c:983 notify_and_destroy net/sched/sch_api.c:925 [inline] qdisc_graft+0xb61/0x1130 net/sched/sch_api.c:983 tc_modify_qdisc+0xd3d/0x1a80 net/sched/sch_api.c:1583 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2457 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1911 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2225 __sys_sendmsg net/socket.c:2263 [inline] __do_sys_sendmsg net/socket.c:2272 [inline] __se_sys_sendmsg net/socket.c:2270 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2270 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x445ef9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f286c57c308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000004cb468 RCX: 0000000000445ef9 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000004 RBP: 00000000004cb460 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 00000000004cb46c R13: 000000000049b074 R14: 6d32cc5e8ead0600 R15: 0000000000022000 Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds..