rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P23896/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=180465, q=253 ncpus=2)
task:syz-executor.3  state:R  running task     stack:24520 pid:23896 ppid:1      flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5307 [inline]
 __schedule+0xc91/0x5770 kernel/sched/core.c:6625
 preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:6937
 irqentry_exit+0x35/0x80 kernel/entry/common.c:433
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:rcu_read_unlock include/linux/rcupdate.h:802 [inline]
RIP: 0010:percpu_ref_get_many include/linux/percpu-refcount.h:209 [inline]
RIP: 0010:percpu_ref_get include/linux/percpu-refcount.h:222 [inline]
RIP: 0010:obj_cgroup_get include/linux/memcontrol.h:790 [inline]
RIP: 0010:memcg_slab_post_alloc_hook+0x170/0x390 mm/slab.h:553
Code: 48 c7 c7 c0 55 79 8c e8 ce 6b 91 ff e8 59 ab 2c 08 5a 85 c0 0f 85 3e 01 00 00 49 8b 04 24 a8 03 0f 85 cd 01 00 00 65 48 ff 00 <e8> 3b ab 2c 08 85 c0 0f 85 d6 00 00 00 e8 1e c8 99 ff 48 c7 c6 0d
RSP: 0018:ffffc900034dfa38 EFLAGS: 00000286
RAX: 0000607f464100f0 RBX: 0000000000000005 RCX: 58cce5e7c8d5ebdc
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff8c1009c8
RBP: ffff88801244f3c0 R08: 0000000000000000 R09: ffffffff914d2b87
R10: fffffbfff229a570 R11: 0000000000000000 R12: ffff88807f3d8880
R13: 0000000000000000 R14: ffffc900034dfa98 R15: ffffea0001ecd400
 slab_post_alloc_hook mm/slab.h:777 [inline]
 slab_alloc_node mm/slub.c:3452 [inline]
 __kmem_cache_alloc_node+0x1b0/0x320 mm/slub.c:3491
 __do_kmalloc_node mm/slab_common.c:966 [inline]
 __kmalloc_node+0x51/0x1a0 mm/slab_common.c:974
 kmalloc_node include/linux/slab.h:610 [inline]
 kvmalloc_node+0xa2/0x1a0 mm/util.c:603
 kvmalloc include/linux/slab.h:737 [inline]
 xt_alloc_table_info+0x40/0xa0 net/netfilter/x_tables.c:1192
 do_replace net/ipv6/netfilter/ip6_tables.c:1141 [inline]
 do_ip6t_set_ctl+0x514/0xb30 net/ipv6/netfilter/ip6_tables.c:1638
 nf_setsockopt+0x87/0xe0 net/netfilter/nf_sockopt.c:101
 ipv6_setsockopt+0x12b/0x190 net/ipv6/ipv6_sockglue.c:1016
 tcp_setsockopt+0x9f/0x100 net/ipv4/tcp.c:3804
 __sys_setsockopt+0x2c6/0x5b0 net/socket.c:2271
 __do_sys_setsockopt net/socket.c:2282 [inline]
 __se_sys_setsockopt net/socket.c:2279 [inline]
 __x64_sys_setsockopt+0xbe/0x160 net/socket.c:2279
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f582e28d7ba
RSP: 002b:00007f582e4cf688 EFLAGS: 00000202 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000029 RCX: 00007f582e28d7ba
RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003
RBP: 00007f582e4cf6b0 R08: 0000000000000558 R09: fefeff646b666d60
R10: 00007f582e385940 R11: 0000000000000202 R12: 00007f582e4cf710
R13: 0000000000000003 R14: 00007f582e4cf6ac R15: 00007f582e3858e0
 </TASK>
rcu: rcu_preempt kthread starved for 10214 jiffies! g180465 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:28368 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5307 [inline]
 __schedule+0xc91/0x5770 kernel/sched/core.c:6625
 schedule+0xde/0x1a0 kernel/sched/core.c:6701
 schedule_timeout+0x14e/0x2b0 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x190/0x910 kernel/rcu/tree.c:1608
 rcu_gp_kthread+0x23a/0x360 kernel/rcu/tree.c:1807
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.3.0-rc7-syzkaller-00191-g622322f53c6d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:acpi_safe_halt+0x40/0x50 drivers/acpi/processor_idle.c:113
Code: eb 03 83 e3 01 89 de 0f 1f 44 00 00 84 db 75 1b 0f 1f 44 00 00 66 90 0f 1f 44 00 00 0f 00 2d c7 a0 b1 00 0f 1f 44 00 00 fb f4 <fa> 5b c3 cc 0f 1f 00 66 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 0f
RSP: 0018:ffffc90000177d20 EFLAGS: 00000246
RAX: ffff8880172a1d40 RBX: 0000000000000000 RCX: ffffffff89fffc45
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888144af1864 R08: 0000000000000001 R09: ffff8880b9936cab
R10: ffffed1017326d95 R11: 0000000000000000 R12: 0000000000000001
R13: ffff888144af1800 R14: ffff888144af1864 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020e2d000 CR3: 0000000044542000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 acpi_idle_do_entry+0x53/0x70 drivers/acpi/processor_idle.c:573
 acpi_idle_enter+0x173/0x290 drivers/acpi/processor_idle.c:711
 cpuidle_enter_state+0xd3/0x6f0 drivers/cpuidle/cpuidle.c:267
 cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:388
 cpuidle_idle_call kernel/sched/idle.c:215 [inline]
 do_idle+0x305/0x3e0 kernel/sched/idle.c:282
 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:379
 start_secondary+0x221/0x2b0 arch/x86/kernel/smpboot.c:264
 secondary_startup_64_no_verify+0xce/0xdb
 </TASK>