rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 GPs behind) idle=3a3c/1/0x4000000000000000 softirq=105028/105029 fqs=0
rcu: 	(detected by 0, t=10506 jiffies, g=102077, q=307 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 22332 Comm: syz-executor Not tainted 6.13.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:enqueue_hrtimer+0xc4/0x3c0 kernel/time/hrtimer.c:1077
Code: 12 00 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 dd 02 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 23 <49> 8d 7c 24 4c 48 89 fa 48 c1 ea 03 0f b6 04 02 48 89 fa 83 e2 07
RSP: 0018:ffffc90000a18e00 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: ffff8880b872cb00 RCX: ffffffff81874486
RDX: 1ffff110170e5960 RSI: ffffffff8187422c RDI: 0000000000000001
RBP: ffff8880590dd340 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: ffff8880b872ca00
R13: 0000000000000000 R14: ffff8880b872ca00 R15: ffffffff894158e0
FS:  0000555564dd5500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020003c80 CR3: 000000007dda2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1756 [inline]
 __hrtimer_run_queues+0x903/0xae0 kernel/time/hrtimer.c:1803
 hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1865
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_read_unlock_irqrestore include/linux/rwlock_api_smp.h:242 [inline]
RIP: 0010:_raw_read_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:268
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 86 6a 4a f6 48 89 df e8 be ed 4a f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 <bf> 01 00 00 00 e8 c5 ce 3b f6 65 8b 05 26 8a d7 74 85 c0 74 16 5b
RSP: 0018:ffffc90003d6eca0 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffffffff8ff796c0 RCX: 1ffffffff2dcb012
RDX: 0000000000000000 RSI: ffffffff8b6cd9c0 RDI: ffffffff8bd1ed60
RBP: 0000000000000293 R08: 0000000000000001 R09: fffffbfff2dca399
R10: ffffffff96e51ccf R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000000 R14: 1ffff920007adda5 R15: ffff88805475f000
 netlink_lock_table net/netlink/af_netlink.c:455 [inline]
 netlink_broadcast_filtered+0x102/0xef0 net/netlink/af_netlink.c:1527
 nlmsg_multicast_filtered include/net/netlink.h:1128 [inline]
 nlmsg_multicast include/net/netlink.h:1147 [inline]
 nlmsg_notify+0x9e/0x220 net/netlink/af_netlink.c:2585
 inet6_ifa_notify net/ipv6/addrconf.c:5634 [inline]
 __ipv6_ifa_notify+0x26b/0xe20 net/ipv6/addrconf.c:6269
 ipv6_ifa_notify net/ipv6/addrconf.c:6321 [inline]
 add_addr+0x245/0x350 net/ipv6/addrconf.c:3229
 add_v4_addrs+0x69e/0x9f0 net/ipv6/addrconf.c:3288
 addrconf_sit_config net/ipv6/addrconf.c:3540 [inline]
 addrconf_init_auto_addrs+0x4df/0x820 net/ipv6/addrconf.c:3577
 addrconf_notify+0xe91/0x19c0 net/ipv6/addrconf.c:3764
 notifier_call_chain+0xb7/0x410 kernel/notifier.c:85
 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:1996
 call_netdevice_notifiers_extack net/core/dev.c:2034 [inline]
 call_netdevice_notifiers net/core/dev.c:2048 [inline]
 __dev_notify_flags+0x12d/0x2e0 net/core/dev.c:8988
 dev_change_flags+0x10c/0x160 net/core/dev.c:9026
 do_setlink.constprop.0+0x699/0x3f80 net/core/rtnetlink.c:3109
 rtnl_changelink net/core/rtnetlink.c:3723 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3875 [inline]
 rtnl_newlink+0x1306/0x1d60 net/core/rtnetlink.c:4012
 rtnetlink_rcv_msg+0x95b/0xea0 net/core/rtnetlink.c:6922
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2542
 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
 netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1347
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1891
 sock_sendmsg_nosec net/socket.c:711 [inline]
 __sock_sendmsg net/socket.c:726 [inline]
 __sys_sendto+0x488/0x4f0 net/socket.c:2197
 __do_sys_sendto net/socket.c:2204 [inline]
 __se_sys_sendto net/socket.c:2200 [inline]
 __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2200
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2a16f87bbc
Code: 2a 5f 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 70 5f 02 00 48 8b
RSP: 002b:00007ffc6c2cc130 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f2a17ca4620 RCX: 00007f2a16f87bbc
RDX: 0000000000000020 RSI: 00007f2a17ca4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffc6c2cc184 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f2a17ca4670 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread starved for 10506 jiffies! g102077 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:27600 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6848
 schedule_timeout+0x124/0x280 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2045
 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2247
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 22413 Comm: syz.1.6976 Not tainted 6.13.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0x458/0x1300 kernel/smp.c:884
Code: 0c 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 f4 4c 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 ba 0e 0c 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 a7 0c 00 00 8b 43 08 31
RSP: 0018:ffffc90003ccfa50 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b8744a40 RCX: ffffffff818e078c
RDX: ffff88802edd0000 RSI: ffffffff818e0766 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000005 R12: ffffed10170e8949
R13: 0000000000000001 R14: ffff8880b8744a48 R15: ffff8880b863fe40
FS:  0000555589c90500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f014ff8 CR3: 0000000063242000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1051
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2114 [inline]
 text_poke_bp_batch+0x22b/0x760 arch/x86/kernel/alternative.c:2324
 text_poke_flush arch/x86/kernel/alternative.c:2515 [inline]
 text_poke_flush arch/x86/kernel/alternative.c:2512 [inline]
 text_poke_finish+0x30/0x40 arch/x86/kernel/alternative.c:2522
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 jump_label_update+0x1d7/0x400 kernel/jump_label.c:920
 static_key_disable_cpuslocked+0x158/0x1c0 kernel/jump_label.c:240
 static_key_disable+0x1a/0x20 kernel/jump_label.c:248
 tracepoint_remove_func kernel/tracepoint.c:370 [inline]
 tracepoint_probe_unregister+0x4fd/0xd70 kernel/tracepoint.c:504
 bpf_raw_tp_link_release+0x35/0x70 kernel/bpf/syscall.c:3610
 bpf_link_free+0xe9/0x390 kernel/bpf/syscall.c:3132
 bpf_link_put_direct kernel/bpf/syscall.c:3175 [inline]
 bpf_link_release+0x5d/0x80 kernel/bpf/syscall.c:3182
 __fput+0x3f8/0xb60 fs/file_table.c:450
 task_work_run+0x14e/0x250 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x27b/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6416985d29
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:00007fffca1e41f8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000008c0d3 RCX: 00007f6416985d29
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f6416b77ba0 R08: 0000000000000001 R09: 00007fffca1e44ef
R10: 00007f6416800000 R11: 0000000000000246 R12: 000000000008c121
R13: 00007f6416b75fa0 R14: 0000000000000032 R15: ffffffffffffffff
 </TASK>