rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (4339 ticks this GP) idle=ca14/1/0x4000000000000000 softirq=84861/84861 fqs=5219
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   903364          1            0
rcu: 	cputime:    21406      21983           70   ==> 43400(ms)
rcu: 	(t=10502 jiffies g=78621 q=3237 ncpus=2)
CPU: 1 UID: 0 PID: 18327 Comm: syz.2.3637 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e-dirty #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:mix_interrupt_randomness+0x1ac/0x2d0
Code: 08 49 83 c6 f0 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 34 d8 d8 fc 4d 89 3e e8 bc 41 7d fc fb 48 c7 c7 98 0c 9c 8e <e8> 9f 9f 26 06 49 89 c6 ba 10 00 00 00 48 c7 c7 20 0c 9c 8e 48 8d
RSP: 0018:ffffc900001e0ae0 EFLAGS: 00000282
RAX: cb912bf02df11100 RBX: dffffc0000000000 RCX: cb912bf02df11100
RDX: 0000000000000002 RSI: ffffffff8d99883e RDI: ffffffff8e9c0c98
RBP: ffffc900001e0b90 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000080000006
R13: 1ffff9200003c15c R14: ffff888136636388 R15: 000000010000dc0b
FS:  00007f43ce5f66c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 0000000109442000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0x67/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_irq_work+0xa3/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 cb 9e 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> 13 cd 1f f6 65 8b 05 bc f9 2e 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc9000677f1c0 EFLAGS: 00000206
RAX: cb912bf02df11100 RBX: 0000000000000a02 RCX: cb912bf02df11100
RDX: 0000000000000007 RSI: ffffffff8d99883e RDI: 0000000000000001
RBP: ffffc9000677f250 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: dffffc0000000000
R13: ffff888011e08000 R14: ffffffff99cbf3b8 R15: 1ffff92000cefe38
 debug_check_no_obj_freed+0x451/0x470
 __free_frozen_pages+0x509/0xe70
 __put_partials+0x161/0x1c0
 put_cpu_partial+0x17c/0x250
 __slab_free+0x2f7/0x400
 qlist_free_all+0x97/0x140
 kasan_quarantine_reduce+0x148/0x160
 __kasan_slab_alloc+0x22/0x80
 kmem_cache_alloc_node_noprof+0x1bb/0x3c0
 __alloc_skb+0x112/0x2d0
 netlink_ack+0x146/0xa50
 netlink_rcv_skb+0x28c/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: 0033:0x7f43d078e9a9
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:00007f43ce5f6038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f43d09b6080 RCX: 00007f43d078e9a9
RDX: 0000000020000004 RSI: 0000200000000280 RDI: 000000000000000d
RBP: 00007f43d0810d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f43d09b6080 R15: 00007ffcc794b908
 </TASK>
