rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (0 ticks this GP) idle=b904/1/0x4000000000000000 softirq=41356/41356 fqs=0
rcu: 	(detected by 1, t=10502 jiffies, g=36337, q=2628 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 9708 Comm: syz-executor Not tainted 6.12.0-syzkaller-11930-g0e287d31b62b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:rb_add_cached include/linux/rbtree.h:174 [inline]
RIP: 0010:timerqueue_add+0xfa/0x290 lib/timerqueue.c:40
Code: 00 00 00 00 fc ff df 80 3c 08 00 74 05 e8 3e 7d 3e f6 4d 8b 66 18 48 8b 5c 24 20 48 89 df 4c 89 e6 e8 ba 97 d3 f5 49 8d 46 10 <4c> 89 74 24 28 4d 8d 7e 08 45 31 f6 4c 39 e3 4c 0f 4c f8 41 0f 9c
RSP: 0018:ffffc90000007ca0 EFLAGS: 00000006
RAX: ffffffff9a448f10 RBX: 1812401270000000 RCX: ffff888029ec5a00
RDX: 0000000000010000 RSI: 19e9ba5d52767100 RDI: 1812401270000000
RBP: 1ffff1100ccb9401 R08: ffffffff8bc24c36 R09: 1ffffffff203b43e
R10: dffffc0000000000 R11: fffffbfff203b43f R12: 19e9ba5d52767100
R13: ffff8880b862c9d0 R14: ffffffff9a448f00 R15: ffff8880665ca340
FS:  00005555652e7500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3d5677 CR3: 00000000760e6000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 enqueue_hrtimer+0x1b2/0x3c0 kernel/time/hrtimer.c:1084
 __run_hrtimer kernel/time/hrtimer.c:1756 [inline]
 __hrtimer_run_queues+0x6cb/0xd30 kernel/time/hrtimer.c:1803
 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x112/0x420 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 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:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5853
Code: 2b 00 74 08 4c 89 f7 e8 9a ac 8f 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc900045ae4e0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff920008b5ca8 RCX: ffff888029ec64d8
RDX: dffffc0000000000 RSI: ffffffff8c0aeb60 RDI: ffffffff8c615f60
RBP: ffffc900045ae640 R08: ffffffff942fd897 R09: 1ffffffff285fb12
R10: dffffc0000000000 R11: fffffbfff285fb13 R12: 1ffff920008b5ca4
R13: dffffc0000000000 R14: ffffc900045ae540 R15: 0000000000000246
 fs_reclaim_acquire+0xaf/0x130 mm/page_alloc.c:3868
 might_alloc include/linux/sched/mm.h:318 [inline]
 slab_pre_alloc_hook mm/slub.c:4055 [inline]
 slab_alloc_node mm/slub.c:4133 [inline]
 kmem_cache_alloc_noprof+0x41/0x380 mm/slub.c:4160
 __kernfs_new_node+0xd8/0x870 fs/kernfs/dir.c:624
 kernfs_new_node+0x137/0x240 fs/kernfs/dir.c:700
 __kernfs_create_file+0x49/0x2e0 fs/kernfs/file.c:1034
 sysfs_add_file_mode_ns+0x24a/0x310 fs/sysfs/file.c:313
 create_files fs/sysfs/group.c:76 [inline]
 internal_create_group+0x782/0x12d0 fs/sysfs/group.c:183
 internal_create_groups fs/sysfs/group.c:223 [inline]
 sysfs_create_groups+0x56/0x120 fs/sysfs/group.c:249
 device_add_groups drivers/base/core.c:2812 [inline]
 device_add_attrs+0x199/0x600 drivers/base/core.c:2887
 device_add+0x576/0xbf0 drivers/base/core.c:3619
 netdev_register_kobject+0x157/0x2e0 net/core/net-sysfs.c:2139
 register_netdevice+0x12c5/0x1b00 net/core/dev.c:10593
 veth_newlink+0x455/0xc10 drivers/net/veth.c:1819
 rtnl_newlink_create+0x2e1/0xa30 net/core/rtnetlink.c:3780
 __rtnl_newlink net/core/rtnetlink.c:3897 [inline]
 rtnl_newlink+0x17dd/0x24f0 net/core/rtnetlink.c:4007
 rtnetlink_rcv_msg+0x793/0xcf0 net/core/rtnetlink.c:6917
 netlink_rcv_skb+0x1e5/0x430 net/netlink/af_netlink.c:2542
 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
 netlink_unicast+0x7f8/0x990 net/netlink/af_netlink.c:1347
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1891
 sock_sendmsg_nosec net/socket.c:711 [inline]
 __sock_sendmsg+0x223/0x270 net/socket.c:726
 __sys_sendto+0x363/0x4c0 net/socket.c:2197
 __do_sys_sendto net/socket.c:2204 [inline]
 __se_sys_sendto net/socket.c:2200 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2200
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f376f1826dc
Code: 2a 5a 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 5a 02 00 48 8b
RSP: 002b:00007ffd71150150 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f376fe74620 RCX: 00007f376f1826dc
RDX: 000000000000006c RSI: 00007f376fe74670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffd711501a4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f376fe74670 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g36337 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=15299
rcu: rcu_preempt kthread starved for 10502 jiffies! g36337 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:25976 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>