rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (9753 ticks this GP) idle=6e04/1/0x4000000000000000 softirq=21257/21257 fqs=4876
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   952809          0            0
rcu: 	cputime:    26391      26088           95   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=14833 q=2235 ncpus=2)
CPU: 1 UID: 0 PID: 7813 Comm: syz.2.865 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:rcu_read_unlock_special+0x87/0x4c0
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 62 2c f8 10 41 f7 c6 00 00 f0 00 74 49 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc900001e05e0 EFLAGS: 00000206
RAX: 65d5faecfad95500 RBX: 1ffff9200003c0c4 RCX: 65d5faecfad95500
RDX: 0000000000000000 RSI: ffffffff8d99883e RDI: ffffffff8be29f40
RBP: ffffc900001e06d8 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffffffff8e144400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000002
FS:  00007fa4232036c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3abf63f945 CR3: 000000001d2d6000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __rcu_read_unlock+0x84/0xe0
 unwind_next_frame+0x19ae/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x62/0x70
 kmem_cache_free+0x18f/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:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 8b 2d 21 f6 e8 c6 00 58 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90004ee75a0 EFLAGS: 00000286
RAX: 65d5faecfad95500 RBX: 0000000000000000 RCX: 65d5faecfad95500
RDX: 0000000000000000 RSI: ffffffff8d99883e RDI: 0000000000000001
RBP: ffffc90004ee7650 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920009dceb4
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:depot_fetch_stack+0x61/0xc0
Code: 39 f5 73 36 41 89 ee 81 fd 00 20 00 00 73 5c 4a 8b 04 f5 c0 e7 dd 99 48 85 c0 74 43 c1 eb 0d 81 e3 f0 3f 00 00 83 7c 18 1c 00 <74> 39 48 01 d8 eb 24 90 0f 0b 90 44 39 f5 72 ca 90 48 c7 c7 1a c6
RSP: 0018:ffffc90004ee7710 EFLAGS: 00000206
RAX: ffff8880304f4000 RBX: 00000000000029b0 RCX: 65d5faecfad95500
RDX: ffffc900081ea000 RSI: ffffffff8db8655b RDI: ffffffff8be29f40
RBP: 00000000000002ae R08: ffff88801c08e7b7 R09: 1ffff11003811cf6
R10: dffffc0000000000 R11: ffffed1003811cf7 R12: 0000000000000004
R13: ffffea0000c71c08 R14: 00000000000002ae R15: 00000019d93f043b
 __reset_page_owner+0xd0/0x1f0
 __free_pages_ok+0xa44/0xc20
 __folio_put+0x21b/0x2c0
 free_large_kmalloc+0x145/0x200
 skb_release_data+0x62d/0x7c0
 consume_skb+0x9e/0xf0
 netlink_unicast+0x764/0x8e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 sock_write_iter+0x258/0x330
 vfs_write+0x54b/0xa90
 ksys_write+0x145/0x250
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa42238e9a9
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:00007fa423203038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fa4225b5fa0 RCX: 00007fa42238e9a9
RDX: 000000000000fe33 RSI: 0000200000000080 RDI: 000000000000000b
RBP: 00007fa422410d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fa4225b5fa0 R15: 00007ffd2ddc2028
 </TASK>
sched: DL replenish lagged too much
