------------[ cut here ]------------ ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 WARNING: CPU: 1 PID: 8749 at lib/debugobjects.c:488 debug_print_object lib/debugobjects.c:485 [inline] WARNING: CPU: 1 PID: 8749 at lib/debugobjects.c:488 debug_object_activate+0x5a8/0x6f0 lib/debugobjects.c:652 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8749 Comm: syz-executor429 Not tainted 5.6.0-rc3-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+0x1fb/0x318 lib/dump_stack.c:118 panic+0x264/0x7a9 kernel/panic.c:221 __warn+0x209/0x210 kernel/panic.c:582 report_bug+0x1b6/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0xcf/0x1c0 arch/x86/kernel/traps.c:267 do_invalid_op+0x36/0x40 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+0x5a8/0x6f0 lib/debugobjects.c:652 Code: 74 08 4c 89 f7 e8 d8 43 0f fe 4d 8b 06 48 c7 c7 13 ec f0 88 48 c7 c6 04 4f 06 89 4c 89 ea 89 d9 4d 89 e1 31 c0 e8 08 e0 a3 fd <0f> 0b 48 ba 00 00 00 00 00 fc ff df ff 05 da eb c4 05 48 8b 5d b8 RSP: 0018:ffffc90001f573a8 EFLAGS: 00010246 RAX: 04afad6d4077c400 RBX: 0000000000000001 RCX: ffff88808eb3a000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90001f573f0 R08: ffffffff81601324 R09: fffffbfff1406518 R10: fffffbfff1406518 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff88f4c97a R14: ffffffff892d99a8 R15: ffff88809a21ac98 debug_rcu_head_queue kernel/rcu/rcu.h:176 [inline] __call_rcu kernel/rcu/tree.c:2597 [inline] call_rcu+0x3a/0x660 kernel/rcu/tree.c:2683 queue_rcu_work+0x79/0x90 kernel/workqueue.c:1742 tcf_queue_work+0xc9/0xe0 net/sched/cls_api.c:206 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+0x19e/0x3e0 net/netlink/af_netlink.c:2478 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5454 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x766/0x920 net/netlink/af_netlink.c:1329 netlink_sendmsg+0xa2b/0xd40 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg net/socket.c:672 [inline] ____sys_sendmsg+0x4f7/0x7f0 net/socket.c:2343 ___sys_sendmsg net/socket.c:2397 [inline] __sys_sendmsg+0x1ed/0x290 net/socket.c:2430 __do_sys_sendmsg net/socket.c:2439 [inline] __se_sys_sendmsg net/socket.c:2437 [inline] __x64_sys_sendmsg+0x7f/0x90 net/socket.c:2437 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x447d09 Code: e8 0c bb 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 ab 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f99d30dace8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000006ddc68 RCX: 0000000000447d09 RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 RBP: 00000000006ddc60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000010 R11: 0000000000000246 R12: 00000000006ddc6c R13: 00007fffe3df78bf R14: 00007f99d30db9c0 R15: 000000000000002d Kernel Offset: disabled Rebooting in 86400 seconds..