WARNING: CPU: 1 PID: 8844 at lib/debugobjects.c:488 debug_print_object lib/debugobjects.c:485 [inline] WARNING: CPU: 1 PID: 8844 at lib/debugobjects.c:488 debug_object_activate+0x4ef/0x5f0 lib/debugobjects.c:652 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8844 Comm: syz-executor.3 Not tainted 5.6.0-rc6-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+0x1e9/0x30e lib/dump_stack.c:118 panic+0x264/0x7a0 kernel/panic.c:221 __warn+0x209/0x210 kernel/panic.c:582 report_bug+0x1ac/0x2d0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0xca/0x1c0 arch/x86/kernel/traps.c:267 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:debug_print_object lib/debugobjects.c:485 [inline] RIP: 0010:debug_object_activate+0x4ef/0x5f0 lib/debugobjects.c:652 Code: 74 08 4c 89 f7 e8 81 4e 18 fe 4d 8b 06 48 c7 c7 83 08 d1 88 48 c7 c6 b4 6b e6 88 48 89 ea 89 d9 4d 89 e9 31 c0 e8 11 f1 ae fd <0f> 0b ff 05 9d 56 b1 05 48 8b 5c 24 20 48 83 c3 20 48 89 d8 48 c1 RSP: 0018:ffffc90003047450 EFLAGS: 00010246 RAX: f0b4952c1f493300 RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc900103d4000 RSI: 0000000000021418 RDI: 0000000000021419 RBP: ffffffff88d4e68a R08: ffffffff815e17a6 R09: ffffed1015d26618 R10: ffffed1015d26618 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000000 R14: ffffffff890d9b28 R15: ffff8880a7f39b98 debug_rcu_head_queue kernel/rcu/rcu.h:176 [inline] __call_rcu kernel/rcu/tree.c:2597 [inline] call_rcu+0x37/0x630 kernel/rcu/tree.c:2683 queue_rcu_work+0x74/0x90 kernel/workqueue.c:1744 route4_change+0x18e8/0x1d90 net/sched/cls_route.c:550 tc_new_tfilter+0x1490/0x2f50 net/sched/cls_api.c:2103 rtnetlink_rcv_msg+0x8fb/0xd40 net/core/rtnetlink.c:5427 netlink_rcv_skb+0x190/0x3a0 net/netlink/af_netlink.c:2478 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x786/0x940 net/netlink/af_netlink.c:1329 netlink_sendmsg+0xa57/0xd70 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg net/socket.c:672 [inline] ____sys_sendmsg+0x4f9/0x7c0 net/socket.c:2343 ___sys_sendmsg net/socket.c:2397 [inline] __sys_sendmsg+0x1ed/0x290 net/socket.c:2430 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:294 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:00007feb10819c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007feb1081a6d4 RCX: 000000000045c849 RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000009 RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000009fa R14: 00000000004ccb28 R15: 000000000076bf0c Kernel Offset: disabled Rebooting in 86400 seconds..