rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=d6cc/1/0x4000000000000000 softirq=521572/521573 fqs=20916
rcu: 	(detected by 1, t=105006 jiffies, g=576557, q=71345 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 13979 Comm: syz-executor.7 Not tainted 6.17.0-rc7-next-20250924 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:asm_sysvec_irq_work+0x0/0x20
Code: e6 9d be 03 e9 e1 04 00 00 90 f3 0f 1e fa 0f 01 ca fc 6a ff e8 91 03 00 00 48 89 c4 48 89 e7 e8 e6 6d be 03 e9 c1 04 00 00 90 <f3> 0f 1e fa 0f 01 ca fc 6a ff e8 71 03 00 00 48 89 c4 48 89 e7 e8
RSP: 0000:ffff888041dc7f08 EFLAGS: 00000002
RAX: 0000000000008b4f RBX: 0000000000000010 RCX: ffffffff817c3546
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84becb64
RBP: ffff88803d2a1b80 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff86644c57 R11: 0000000000000001 R12: ffff888041dc7f58
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fb69c785700(0000) GS:ffff8880e53c1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000004 CR3: 000000000e97f000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
RIP: 0010:irqentry_exit_to_user_mode+0xf8/0x1f0
Code: 83 e3 01 75 46 9c 58 fa f6 c4 02 0f 85 bf 00 00 00 48 8b 5d 00 f7 c3 37 03 00 00 0f 84 4e ff ff ff e8 cc 6a bd fc fb f6 c3 30 <75> c5 f6 c7 01 74 ca 4c 89 e7 e8 19 d6 cc fc f6 c3 06 74 c2 4c 89
RSP: 0000:ffff888041dc7f38 EFLAGS: 00000202
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0033:0x7fb69f20fb19
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb69c785188 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007fb69f322f60 RCX: 00007fb69f20fb19
RDX: 0000000000002000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007fb69f269f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffff2d3d2f R14: 00007fb69c785300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess):
   0:	e6 9d                	out    %al,$0x9d
   2:	be 03 e9 e1 04       	mov    $0x4e1e903,%esi
   7:	00 00                	add    %al,(%rax)
   9:	90                   	nop
   a:	f3 0f 1e fa          	endbr64
   e:	0f 01 ca             	clac
  11:	fc                   	cld
  12:	6a ff                	pushq  $0xffffffffffffffff
  14:	e8 91 03 00 00       	callq  0x3aa
  19:	48 89 c4             	mov    %rax,%rsp
  1c:	48 89 e7             	mov    %rsp,%rdi
  1f:	e8 e6 6d be 03       	callq  0x3be6e0a
  24:	e9 c1 04 00 00       	jmpq   0x4ea
  29:	90                   	nop
* 2a:	f3 0f 1e fa          	endbr64 <-- trapping instruction
  2e:	0f 01 ca             	clac
  31:	fc                   	cld
  32:	6a ff                	pushq  $0xffffffffffffffff
  34:	e8 71 03 00 00       	callq  0x3aa
  39:	48 89 c4             	mov    %rax,%rsp
  3c:	48 89 e7             	mov    %rsp,%rdi
  3f:	e8                   	.byte 0xe8