rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (6 ticks this GP) idle=327/1/0x4000000000000002 softirq=40117/40117 fqs=5249 
	(detected by 1, t=10502 jiffies, g=46501, q=1468)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 13317 Comm: syz.2.3118 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:perf_tp_event+0x24/0xbf0 kernel/events/core.c:10029
Code: ac 25 00 eb a2 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 c0 48 81 ec 40 02 00 00 4d 89 cc 4c 89 44 24 20 89 4c 24 10 <49> 89 d6 48 89 74 24 30 89 7c 24 08 65 48 8b 04 25 28 00 00 00 48
RSP: 0018:ffffc90000007540 EFLAGS: 00000082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000014
RDX: ffffe8ffffcee000 RSI: 0000000000000001 RDI: 0000000000000116
RBP: ffffc900000077c8 R08: ffff8880b90351c8 R09: ffffe8ffffc3ddb0
R10: dffffc0000000000 R11: ffffed1017207662 R12: ffffe8ffffc3ddb0
R13: ffffffff8c369840 R14: ffff8880b90351c8 R15: dffffc0000000000
FS:  00007f1327ae06c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000001 CR3: 00000000638ca000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10021
 perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 e2 f0 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc90000007a00 EFLAGS: 00000206
RAX: a4dfb414616fb500 RBX: 1ffff92000000f44 RCX: a4dfb414616fb500
RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: ffffffff8a79f740
RBP: ffffc90000007ae0 R08: ffff8880b903b30b R09: 1ffff11017207661
R10: dffffc0000000000 R11: ffffed1017207662 R12: ffffffff8c322f00
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 process_backlog+0x3ef/0x790 net/core/dev.c:6530
 __napi_poll+0xc0/0x430 net/core/dev.c:7088
 napi_poll net/core/dev.c:7155 [inline]
 net_rx_action+0x4d4/0xa10 net/core/dev.c:7245
 handle_softirqs+0x339/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:perf_trace_lock_acquire+0x115/0x3e0 include/trace/events/lock.h:13
Code: 5f 08 89 c3 83 f8 08 0f 83 95 02 00 00 48 c7 44 24 60 00 00 00 00 48 8d 1c dd 20 08 e3 8b 48 89 d8 48 c1 e8 03 42 80 3c 20 00 <74> 08 48 89 df e8 81 80 61 00 4c 03 33 4c 89 74 24 18 49 8d 9f 80
RSP: 0018:ffffc900031afa80 EFLAGS: 00000246
RAX: 1ffffffff17c6104 RBX: ffffffff8be30820 RCX: a4dfb414616fb500
RDX: 0000000000000000 RSI: ffffffff8a79f720 RDI: ffffffff8a79f6e0
RBP: ffffc900031afb80 R08: 0000000000000000 R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff1b13b66 R12: dffffc0000000000
R13: 1ffff92000635f58 R14: 0000607f46c3ddb8 R15: ffffffff8c1eda40
 trace_lock_acquire include/trace/events/lock.h:13 [inline]
 lock_acquire+0x3d7/0x400 kernel/locking/lockdep.c:5594
 __fs_reclaim_acquire mm/page_alloc.c:4580 [inline]
 fs_reclaim_acquire+0x6d/0x100 mm/page_alloc.c:4594
 might_alloc include/linux/sched/mm.h:206 [inline]
 slab_pre_alloc_hook+0x20/0xc0 mm/slab.h:492
 slab_alloc_node mm/slub.c:3139 [inline]
 slab_alloc mm/slub.c:3233 [inline]
 kmem_cache_alloc+0x3d/0x290 mm/slub.c:3238
 sk_prot_alloc+0x57/0x210 net/core/sock.c:1860
 sk_alloc+0x2f/0x310 net/core/sock.c:1922
 inet_create+0x728/0xef0 net/ipv4/af_inet.c:322
 __sock_create+0x47b/0x900 net/socket.c:1495
 sock_create net/socket.c:1551 [inline]
 __sys_socket+0xe2/0x170 net/socket.c:1593
 __do_sys_socket net/socket.c:1602 [inline]
 __se_sys_socket net/socket.c:1600 [inline]
 __x64_sys_socket+0x76/0x80 net/socket.c:1600
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f1329885f79
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:00007f1327ae0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f1329afffa0 RCX: 00007f1329885f79
RDX: 0000000000000106 RSI: 0200000000000001 RDI: 0000000000000002
RBP: 00007f132991c7e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1329b00038 R14: 00007f1329afffa0 R15: 00007ffc12d05c98
 </TASK>