rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-...!: (1 GPs behind) idle=f1cc/0/0x3 softirq=10420/10424 fqs=275
rcu: (t=10500 jiffies g=11289 q=195 ncpus=2)
rcu: rcu_preempt kthread starved for 9936 jiffies! g11289 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:28808 pid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_timeout+0x14e/0x2b0 kernel/time/timer.c:2167
rcu_gp_fqs_loop+0x190/0x910 kernel/rcu/tree.c:1609
rcu_gp_kthread+0x23a/0x360 kernel/rcu/tree.c:1808
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt+0x40/0x50 drivers/acpi/processor_idle.c:112
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.4.0-rc6-syzkaller-00037-gb6dad5178cea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:unwind_next_frame+0x21/0x1e30 arch/x86/kernel/unwind_orc.c:441
Code: 3a ff ff ff 0f 1f 44 00 00 f3 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 48 89 fa 41 57 48 c1 ea 03 41 56 41 55 49 89 fd 41 54 55 <53> 48 83 ec 38 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 4e 0a 00 00 41
RSP: 0018:ffffc900001df858 EFLAGS: 00000a06
RAX: dffffc0000000000 RBX: ffffffff817267d0 RCX: 0000000000000000
RDX: 1ffff9200003bf11 RSI: ffffffff81d6ebb2 RDI: ffffc900001df888
RBP: ffffc900001df910 R08: ffffffff8f05b34e R09: ffffc900001df9a8
R10: ffffc900001df888 R11: 0000000000094001 R12: ffffc900001df940
R13: ffffc900001df888 R14: ffff888016659dc0 R15: ffffea00067e8500
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f13fbfa8000 CR3: 000000007e1ef000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
arch_stack_walk+0x81/0xf0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x90/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
kasan_save_free_info+0x2e/0x40 mm/kasan/generic.c:521
____kasan_slab_free mm/kasan/common.c:236 [inline]
____kasan_slab_free+0x160/0x1c0 mm/kasan/common.c:200
kasan_slab_free include/linux/kasan.h:162 [inline]
slab_free_hook mm/slub.c:1781 [inline]
slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1807
slab_free mm/slub.c:3786 [inline]
kmem_cache_free+0xe9/0x480 mm/slub.c:3808
kfree_skbmem+0xef/0x1b0 net/core/skbuff.c:971
__kfree_skb net/core/skbuff.c:1029 [inline]
kfree_skb_reason+0x186/0x3c0 net/core/skbuff.c:1064
enqueue_to_backlog+0x1f2/0xd00 net/core/dev.c:4701
netif_rx_internal+0xfd/0x560 net/core/dev.c:4957
__netif_rx+0xe7/0x410 net/core/dev.c:4977
loopback_xmit+0x281/0x700 drivers/net/loopback.c:89
__netdev_start_xmit include/linux/netdevice.h:4918 [inline]
netdev_start_xmit include/linux/netdevice.h:4932 [inline]
xmit_one net/core/dev.c:3578 [inline]
dev_hard_start_xmit+0x187/0x700 net/core/dev.c:3594
__dev_queue_xmit+0x2be2/0x3b10 net/core/dev.c:4244
dev_queue_xmit include/linux/netdevice.h:3088 [inline]
neigh_hh_output include/net/neighbour.h:528 [inline]
neigh_output include/net/neighbour.h:542 [inline]
ip_finish_output2+0x15a1/0x22b0 net/ipv4/ip_output.c:229
ip_do_fragment+0x7f9/0x17d0 net/ipv4/ip_output.c:914
ip_fragment.constprop.0+0x16b/0x240 net/ipv4/ip_output.c:582
__ip_finish_output net/ipv4/ip_output.c:305 [inline]
__ip_finish_output+0x2de/0x650 net/ipv4/ip_output.c:289
ip_finish_output+0x31/0x280 net/ipv4/ip_output.c:317
NF_HOOK_COND include/linux/netfilter.h:292 [inline]
ip_output+0x1a3/0x320 net/ipv4/ip_output.c:431
dst_output include/net/dst.h:458 [inline]
ip_local_out+0xb3/0x1a0 net/ipv4/ip_output.c:126
iptunnel_xmit+0x622/0xa40 net/ipv4/ip_tunnel_core.c:82
geneve_xmit_skb drivers/net/geneve.c:991 [inline]
geneve_xmit+0x1266/0x4990 drivers/net/geneve.c:1103
__netdev_start_xmit include/linux/netdevice.h:4918 [inline]
netdev_start_xmit include/linux/netdevice.h:4932 [inline]
xmit_one net/core/dev.c:3578 [inline]
dev_hard_start_xmit+0x187/0x700 net/core/dev.c:3594
__dev_queue_xmit+0x2be2/0x3b10 net/core/dev.c:4244
dev_queue_xmit include/linux/netdevice.h:3088 [inline]
neigh_hh_output include/net/neighbour.h:528 [inline]
neigh_output include/net/neighbour.h:542 [inline]
ip6_finish_output2+0xfbd/0x1560 net/ipv6/ip6_output.c:134
__ip6_finish_output net/ipv6/ip6_output.c:195 [inline]
ip6_finish_output+0x69a/0x1170 net/ipv6/ip6_output.c:206
NF_HOOK_COND include/linux/netfilter.h:292 [inline]
ip6_output+0x1f1/0x540 net/ipv6/ip6_output.c:227
dst_output include/net/dst.h:458 [inline]
NF_HOOK include/linux/netfilter.h:303 [inline]
ndisc_send_skb+0xa63/0x1850 net/ipv6/ndisc.c:508
ndisc_send_rs+0x132/0x6f0 net/ipv6/ndisc.c:718
addrconf_rs_timer+0x3f1/0x870 net/ipv6/addrconf.c:3936
call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751
__run_timers kernel/time/timer.c:2022 [inline]
__run_timers kernel/time/timer.c:1995 [inline]
run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
__do_softirq+0x1d4/0x905 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x114/0x190 kernel/softirq.c:650
irq_exit_rcu+0x9/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
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 07 68 a1 00 0f 1f 44 00 00 fb f4 5b c3 cc 0f 1f 00 66 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 0f
RSP: 0018:ffffc90000177d18 EFLAGS: 00000246
RAX: ffff888016659dc0 RBX: 0000000000000000 RCX: ffffffff8a10a5a5
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888015a5d864 R08: 0000000000000001 R09: ffff8880b9936ceb
R10: ffffed1017326d9d R11: 0000000000000039 R12: 0000000000000001
R13: ffff888015a5d800 R14: ffff888015a5d864 R15: 0000000000000000
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+0x2fe/0x3c0 kernel/sched/idle.c:282
cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:379
start_secondary+0x221/0x2b0 arch/x86/kernel/smpboot.c:269
secondary_startup_64_no_verify+0xf4/0xfb