------------[ cut here ]------------
WARNING: CPU: 1 PID: 28297 at kernel/rcu/tree_stall.h:1050 rcu_check_gp_start_stall+0x2e4/0x470 kernel/rcu/tree_stall.h:1050
Modules linked in:
CPU: 1 UID: 0 PID: 28297 Comm: syz.9.5858 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:rcu_check_gp_start_stall+0x2e4/0x470 kernel/rcu/tree_stall.h:1050
Code: ff ff 48 c7 c7 60 94 7d 99 be 04 00 00 00 e8 33 d7 7e 00 4c 89 f7 b8 01 00 00 00 87 05 c5 af d6 17 85 c0 0f 85 17 ff ff ff 90 <0f> 0b 90 48 81 ff 00 26 f4 8d 74 47 48 c7 c0 90 04 7d 8f 48 c1 e8
RSP: 0018:ffffc90000a08bb8 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000a02 RCX: ffffffff81a6e48d
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff8df42600
RBP: ffffc90000a08e30 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff32fb28c R12: 0000000000002904
R13: 1ffff11017127602 R14: ffffffff8df42600 R15: dffffc0000000000
FS:  00007fb30d54a6c0(0000) GS:ffff88812623e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb30a9d5d58 CR3: 0000000058eec000 CR4: 00000000003526f0
DR0: 0000200000000300 DR1: 0006000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 rcu_core+0x5fa/0x1770 kernel/rcu/tree.c:2856
 handle_softirqs+0x286/0x870 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:723
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1052
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:sk_prot_alloc+0x153/0x220 net/core/sock.c:2245
Code: f8 eb 5d e8 9f fb a1 f8 eb 56 49 81 c7 80 01 00 00 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 a0 b0 07 f9 49 8b 3f <e8> 38 7b 8c f8 84 c0 74 0e e8 6f fb a1 f8 eb 29 e8 68 fb a1 f8 eb
RSP: 0018:ffffc9000cf0fc80 EFLAGS: 00000246
RAX: 1ffffffff1e7a218 RBX: ffff88801bbe9780 RCX: 0000000000000002
RDX: ffff888056a15ac0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88801b6f0cfb R09: 1ffff110036de19f
R10: dffffc0000000000 R11: ffffed10036de1a0 R12: 0000000000000001
R13: dffffc0000000000 R14: ffff8880450b1100 R15: ffffffff8f3d10c0
 sk_alloc+0x3a/0x370 net/core/sock.c:2295
 unix_create1+0xb0/0x7d0 net/unix/af_unix.c:-1
 unix_create+0x16b/0x210 net/unix/af_unix.c:1181
 __sock_create+0x4b3/0x9f0 net/socket.c:1605
 sock_create net/socket.c:1663 [inline]
 __sys_socketpair+0x1c5/0x560 net/socket.c:1810
 __do_sys_socketpair net/socket.c:1863 [inline]
 __se_sys_socketpair net/socket.c:1860 [inline]
 __x64_sys_socketpair+0x9b/0xb0 net/socket.c:1860
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb30c78efc9
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:00007fb30d54a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007fb30c9e5fa0 RCX: 00007fb30c78efc9
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 00007fb30c811f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb30c9e6038 R14: 00007fb30c9e5fa0 R15: 00007ffcc1acf518
 </TASK>
----------------
Code disassembly (best guess):
   0:	f8                   	clc
   1:	eb 5d                	jmp    0x60
   3:	e8 9f fb a1 f8       	call   0xf8a1fba7
   8:	eb 56                	jmp    0x60
   a:	49 81 c7 80 01 00 00 	add    $0x180,%r15
  11:	4c 89 f8             	mov    %r15,%rax
  14:	48 c1 e8 03          	shr    $0x3,%rax
  18:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  1d:	74 08                	je     0x27
  1f:	4c 89 ff             	mov    %r15,%rdi
  22:	e8 a0 b0 07 f9       	call   0xf907b0c7
  27:	49 8b 3f             	mov    (%r15),%rdi
* 2a:	e8 38 7b 8c f8       	call   0xf88c7b67 <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	74 0e                	je     0x41
  33:	e8 6f fb a1 f8       	call   0xf8a1fba7
  38:	eb 29                	jmp    0x63
  3a:	e8 68 fb a1 f8       	call   0xf8a1fba7
  3f:	eb                   	.byte 0xeb