------------[ cut here ]------------ ODEBUG: activate active (active state 1) object type: rcu_head hint: (null) WARNING: CPU: 0 PID: 26728 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 lib/debugobjects.c:325 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 26728 Comm: syz-executor.0 Not tainted 4.19.112-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+0x188/0x20d lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x46 kernel/panic.c:541 report_bug+0x262/0x2a0 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+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1037 RIP: 0010:debug_print_object+0x160/0x250 lib/debugobjects.c:325 Code: dd 60 0f ab 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 60 0f ab 87 48 c7 c7 a0 04 ab 87 e8 9b f6 e6 fd <0f> 0b 83 05 23 a5 37 06 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 RSP: 0018:ffff88808dc7f268 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 00000000000363a8 RSI: ffffffff8152d3a1 RDI: ffffed1011b8fe3f RBP: 0000000000000001 R08: ffff88809ef7a080 R09: ffffed1015cc3ee3 R10: ffffed1015cc3ee2 R11: ffff8880ae61f717 R12: ffffffff88b928c0 R13: 0000000000000000 R14: ffff88808e4e7668 R15: 1ffff11011b8fe5a debug_object_activate+0x357/0x4e0 lib/debugobjects.c:484 debug_rcu_head_queue kernel/rcu/rcu.h:193 [inline] __call_rcu.constprop.0+0x31/0x7e0 kernel/rcu/tree.c:2977 queue_rcu_work+0x75/0x90 kernel/workqueue.c:1633 route4_change+0xe6a/0x2210 net/sched/cls_route.c:552 tc_new_tfilter+0xa6b/0x1450 net/sched/cls_api.c:1320 rtnetlink_rcv_msg+0x453/0xaf0 net/core/rtnetlink.c:4777 netlink_rcv_skb+0x160/0x410 net/netlink/af_netlink.c:2455 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d7/0x6a0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x80b/0xcd0 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:632 ___sys_sendmsg+0x803/0x920 net/socket.c:2115 __sys_sendmsg+0xec/0x1b0 net/socket.c:2153 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c849 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f6ff294cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f6ff294d6d4 RCX: 000000000045c849 RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000009f9 R14: 00000000004ccb11 R15: 000000000076bf0c ======================================================