rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10477 ticks this GP) idle=33ec/1/0x4000000000000000 softirq=54595/54595 fqs=4860
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1200237          0            0
rcu: 	cputime:    16676      33273           60   ==> 49960(ms)
rcu: 	(t=10502 jiffies g=71149 q=4280 ncpus=2)
CPU: 0 PID: 14360 Comm: syz.1.2859 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:debug_check_no_obj_freed+0x4/0x540 lib/debugobjects.c:1019
Code: fd ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c e4 fd ff ff 48 89 d7 48 89 d3 e8 58 bd ad fd 48 89 da e9 d1 fd ff ff 66 0f 1f 00 <55> 41 57 41 56 41 55 41 54 53 48 83 ec 58 80 3d 2f ec 59 0a 00 0f
RSP: 0018:ffffc900000072c8 EFLAGS: 00000246
RAX: 0f23c35899d8c800 RBX: ffff888142666640 RCX: ffffffff8d132100
RDX: dffffc0000000000 RSI: 00000000000000f0 RDI: ffff88801c3648c0
RBP: ffff88801c3648c0 R08: ffff888022e5bc00 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000100 R12: 0000000000000000
R13: ffffc90000007330 R14: 0001000000000000 R15: ffffc90000007338
FS:  00007f8369df66c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30663fff CR3: 0000000069609000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 slab_free_hook mm/slub.c:1786 [inline]
 slab_free_freelist_hook+0xd2/0x1a0 mm/slub.c:1837
 slab_free mm/slub.c:3830 [inline]
 kmem_cache_free+0xf8/0x270 mm/slub.c:3852
 packet_rcv+0x16b/0x13d0 net/packet/af_packet.c:2278
 dev_queue_xmit_nit+0xb16/0xbb0 net/core/dev.c:2385
 xmit_one net/core/dev.c:3640 [inline]
 dev_hard_start_xmit+0x148/0x740 net/core/dev.c:3660
 __dev_queue_xmit+0x19a3/0x3660 net/core/dev.c:4454
 neigh_output include/net/neighbour.h:543 [inline]
 ip6_finish_output2+0xe3d/0x1630 net/ipv6/ip6_output.c:141
 dst_output include/net/dst.h:467 [inline]
 NF_HOOK include/linux/netfilter.h:304 [inline]
 ndisc_send_skb+0xc26/0x14f0 net/ipv6/ndisc.c:513
 addrconf_rs_timer+0x2d5/0x630 net/ipv6/addrconf.c:4024
 call_timer_fn+0x189/0x540 kernel/time/timer.c:1701
 expire_timers kernel/time/timer.c:1752 [inline]
 __run_timers+0x542/0x800 kernel/time/timer.c:2023
 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2036
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:generic_exec_single+0x481/0x4f0 kernel/smp.c:418
Code: 75 11 e8 c2 06 0b 00 48 85 db 75 16 e8 b8 06 0b 00 eb 15 e8 b1 06 0b 00 e8 9c 36 0c 09 48 85 db 74 ea e8 a2 06 0b 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 43 c7 44 2c 08
RSP: 0018:ffffc9000d3c7a00 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffff888022e5bc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000d3c7ad0 R08: ffffffff911cd5ff R09: 1ffffffff2239abf
R10: dffffc0000000000 R11: fffffbfff2239ac0 R12: 1ffff92001a78f44
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92001a78f65
 smp_call_function_single+0x36d/0x5a0 kernel/smp.c:647
 task_function_call kernel/events/core.c:120 [inline]
 perf_install_in_context+0x5be/0x920 kernel/events/core.c:2959
 __do_sys_perf_event_open kernel/events/core.c:12957 [inline]
 __se_sys_perf_event_open+0x1836/0x1c50 kernel/events/core.c:12609
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f836bb9ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8369df6028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f836be15fa0 RCX: 00007f836bb9ce59
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000140
RBP: 00007f836bc32d6f R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f836be16038 R14: 00007f836be15fa0 R15: 00007ffe00150118
 </TASK>