rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 0, t=30002 jiffies, g=17433, q=125 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 30002 (4295103242-4295073240), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 30002 jiffies! g17433 f0x2 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:0     pid:17    tgid:17    ppid:2      flags:0x00000008
Call trace:
 __switch_to+0xf4/0x168 arch/arm64/kernel/process.c:606
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x330/0x8f8 kernel/sched/core.c:6690
 __schedule_loop kernel/sched/core.c:6767 [inline]
 schedule+0x34/0x104 kernel/sched/core.c:6782
 schedule_timeout+0x80/0xf4 kernel/time/timer.c:2615
 rcu_gp_fqs_loop+0x138/0x48c kernel/rcu/tree.c:2045
 rcu_gp_kthread+0x130/0x15c kernel/rcu/tree.c:2247
 kthread+0x114/0x118 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Tainted: G    B              6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
Tainted: [B]=BAD_PAGE
Hardware name: linux,dummy-virt (DT)
pstate: 81400009 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
pc : fixup_red_left+0x0/0x24 mm/slub.c:240
lr : nearest_obj mm/slab.h:331 [inline]
lr : check_slab_allocation+0xd8/0x168 mm/kasan/common.c:219
sp : ffff800082b8b760
x29: ffff800082b8b760 x28: f8f0000005767f20 x27: ffff800082b8b948
x26: 00000000ffffffff x25: 0000000000000000 x24: 0000000000081110
x23: 909f8000815713d0 x22: f6f000000304fa00 x21: fff0000003e1f200
x20: f6f0000003e1f200 x19: ffff8000815713d0 x18: 0000000000000001
x17: 0000000000000400 x16: 0000000000000004 x15: 0000000000000000
x14: f2f0000003253740 x13: 0000000000000347 x12: 0000000000000001
x11: 00000000ebacea21 x10: 0000000000000009 x9 : 0000000000001ffd
x8 : 00000000000000c8 x7 : f1f000000546b31c x6 : 0000000000000100
x5 : ffffc1ffc00f87c0 x4 : ff00000000000000 x3 : fff0000003e1ff00
x2 : 0000000000000f00 x1 : fff0000003e1f200 x0 : f6f000000304fa00
Call trace:
 fixup_red_left+0x0/0x24 mm/slub.c:4241
 __kasan_slab_pre_free+0x2c/0x44 mm/kasan/common.c:255
 kasan_slab_pre_free include/linux/kasan.h:195 [inline]
 slab_free_hook mm/slub.c:2287 [inline]
 slab_free mm/slub.c:4579 [inline]
 kmem_cache_free+0xdc/0x39c mm/slub.c:4681
 kfree_skbmem+0xa0/0xd0 net/core/skbuff.c:1148
 __kfree_skb net/core/skbuff.c:1205 [inline]
 sk_skb_reason_drop+0x9c/0xcc net/core/skbuff.c:1242
 kfree_skb_reason include/linux/skbuff.h:1262 [inline]
 kfree_skb include/linux/skbuff.h:1271 [inline]
 consume_skb include/linux/skbuff.h:1290 [inline]
 nft_synproxy_eval_v6 net/netfilter/nft_synproxy.c:97 [inline]
 nft_synproxy_do_eval+0x178/0x270 net/netfilter/nft_synproxy.c:145
 nft_synproxy_eval+0x14/0x38 net/netfilter/nft_synproxy.c:247
 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]
 nft_do_chain+0x108/0x484 net/netfilter/nf_tables_core.c:288
 nft_do_chain_inet+0xa0/0x114 net/netfilter/nft_chain_filter.c:161
 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
 nf_hook_slow+0x48/0x118 net/netfilter/core.c:626
 nf_hook include/linux/netfilter.h:269 [inline]
 NF_HOOK include/linux/netfilter.h:312 [inline]
 ip6_input+0xb4/0xd4 net/ipv6/ip6_input.c:490
 dst_input include/net/dst.h:460 [inline]
 ip6_rcv_finish net/ipv6/ip6_input.c:79 [inline]
 NF_HOOK include/linux/netfilter.h:314 [inline]
 NF_HOOK include/linux/netfilter.h:308 [inline]
 ipv6_rcv+0x140/0x14c net/ipv6/ip6_input.c:309
 __netif_receive_skb_one_core+0x58/0x84 net/core/dev.c:5666
 __netif_receive_skb+0x18/0x60 net/core/dev.c:5779
 process_backlog+0x84/0x13c net/core/dev.c:6111
 __napi_poll+0x38/0x198 net/core/dev.c:6775
 napi_poll net/core/dev.c:6844 [inline]
 net_rx_action+0x344/0x3c8 net/core/dev.c:6966
 handle_softirqs+0x108/0x240 kernel/softirq.c:554
 run_ksoftirqd kernel/softirq.c:927 [inline]
 run_ksoftirqd+0x3c/0x4c kernel/softirq.c:919
 smpboot_thread_fn+0x208/0x22c kernel/smpboot.c:164
 kthread+0x114/0x118 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860