hrtimer: interrupt took 35018 ns
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=6484/1/0x4000000000000000 softirq=14701/14702 fqs=5250
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1040530          0            0
rcu: 	cputime:    25367      27132           88   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=6205 q=1103 ncpus=2)
CPU: 1 UID: 0 PID: 6069 Comm: syz.1.84 Not tainted 6.16.0-rc6-syzkaller-00434-gcd7c97f4584a #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 9b 93 56 f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> e3 c1 1f f6 65 8b 05 bc f9 2e 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc900001e0a40 EFLAGS: 00000206
RAX: 5faf7d5896075000 RBX: 0000000000000a06 RCX: 5faf7d5896075000
RDX: 0000000000000002 RSI: ffffffff8d9986f9 RDI: 0000000000000001
RBP: ffffc900001e0ac0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: dffffc0000000000
R13: ffff8881088e6800 R14: ffffffff99cff138 R15: 1ffff9200003c148
FS:  00007fbdb20c16c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbdb20a0d58 CR3: 0000000112ab4000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 debug_check_no_obj_freed+0x451/0x470
 kmem_cache_free+0x113/0x400
 rcu_core+0xca8/0x1710
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 9b 93 56 f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> e3 c1 1f f6 65 8b 05 bc f9 2e 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc900046ded60 EFLAGS: 00000206
RAX: 5faf7d5896075000 RBX: 0000000000000a06 RCX: 5faf7d5896075000
RDX: 0000000000000006 RSI: ffffffff8d9986f9 RDI: 0000000000000001
RBP: ffffc900046dedf0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: dffffc0000000000
R13: 1ffff920008dbdd0 R14: ffffffff99ccc300 R15: 1ffff920008dbdac
 call_rcu+0xc3/0x9c0
 replace+0x238/0x5c0
 resize+0x102a/0x2710
 replace+0x470/0x5c0
 resize+0x102a/0x2710
 fib_insert_alias+0xab7/0x1210
 fib_trie_unmerge+0x310/0xcd0
 fib_unmerge+0xc5/0x360
 fib4_rule_configure+0x2e2/0xa50
 fib_newrule+0x512/0xf20
 rtnetlink_rcv_msg+0x7cf/0xb70
 netlink_rcv_skb+0x208/0x470
 netlink_unicast+0x75c/0x8e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbdb118eb69
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbdb20c1038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fbdb13b5fa0 RCX: 00007fbdb118eb69
RDX: 0000000000000004 RSI: 00002000000000c0 RDI: 0000000000000010
RBP: 00007fbdb1211df1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbdb13b5fa0 R15: 00007fff08bcdea8
 </TASK>
sched: DL replenish lagged too much
