sched: DL replenish lagged too much
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P32243/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=123769, q=1985 ncpus=2)
task:syz.4.7382 state:R running task stack:26344 pid:32243 tgid:32242 ppid:28238 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5504 [inline]
__schedule+0x17d9/0x56c0 kernel/sched/core.c:7228
preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7552
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x14f/0x8f0 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:deref_stack_reg arch/x86/kernel/unwind_orc.c:422 [inline]
RIP: 0010:unwind_next_frame+0xcbc/0x2550 arch/x86/kernel/unwind_orc.c:614
Code: c0 20 c8 3c 01 0f 85 76 0e 00 00 48 89 d7 e8 eb 23 00 00 48 89 c3 49 bc 00 00 00 00 00 fc ff df 48 8b 44 24 20 42 80 3c 20 00 <4d> 8d 7e 48 74 08 4c 89 ff e8 56 9d ba 00 49 89 1f 48 8b 44 24 38
RSP: 0018:ffffc900065b7780 EFLAGS: 00000246
RAX: 1ffff92000cb6f0e RBX: ffffffff8225c7c8 RCX: 1ffff92000cb6f01
RDX: ffffc900065b7c68 RSI: 0000000000000002 RDI: ffffc900065b7c68
RBP: 1ffffffff21a753c R08: ffffc900065b7c70 R09: 0000000000000000
R10: ffffc900065b7878 R11: ffffffff81b10630 R12: dffffc0000000000
R13: ffffc900065b8000 R14: ffffc900065b7828 R15: ffffc900065b0000
arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
save_stack+0x122/0x230 mm/page_owner.c:165
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:320
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0xc0d/0xd20 mm/page_alloc.c:2938
__slab_free+0x274/0x2c0 mm/slub.c:5672
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_kmalloc+0x22/0xb0 mm/kasan/common.c:406
kasan_kmalloc include/linux/kasan.h:263 [inline]
__do_kmalloc_node mm/slub.c:5334 [inline]
__kmalloc_noprof+0x358/0x750 mm/slub.c:5347
_kmalloc_noprof include/linux/slab.h:973 [inline]
sk_prot_alloc+0xe7/0x210 net/core/sock.c:2252
sk_alloc+0x3a/0x390 net/core/sock.c:2308
__netlink_create+0x62/0x260 net/netlink/af_netlink.c:627
netlink_create+0x3ca/0x590 net/netlink/af_netlink.c:685
__sock_create+0x4b3/0x9d0 net/socket.c:1651
sock_create net/socket.c:1709 [inline]
__sys_socket_create net/socket.c:1746 [inline]
__sys_socket+0xd6/0x1b0 net/socket.c:1793
__do_sys_socket net/socket.c:1807 [inline]
__se_sys_socket net/socket.c:1805 [inline]
__x64_sys_socket+0x7a/0x90 net/socket.c:1805
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1ca399ce59
RSP: 002b:00007f1ca4912028 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f1ca3c15fa0 RCX: 00007f1ca399ce59
RDX: 0000000000000010 RSI: 0000000000000003 RDI: 0000000000000010
RBP: 00007f1ca3a32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1ca3c16038 R14: 00007f1ca3c15fa0 R15: 00007fff80452f78
rcu: rcu_preempt kthread starved for 8137 jiffies! g123769 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:28328 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5504 [inline]
__schedule+0x17d9/0x56c0 kernel/sched/core.c:7228
__schedule_loop kernel/sched/core.c:7307 [inline]
schedule+0x164/0x360 kernel/sched/core.c:7322
schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x30c/0x11f0 kernel/rcu/tree.c:2123
rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2325
kthread+0x388/0x470 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:__rcu_read_lock+0x2f/0x60 kernel/rcu/tree_plugin.h:416
Code: 65 48 8b 1d 2b b1 8e 11 48 81 c3 c4 04 00 00 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 18 ff 03 <8b> 03 3d 00 00 00 40 7d 07 5b e9 92 55 ff 09 cc 90 0f 0b 90 eb f3
RSP: 0018:ffffc90000006b30 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff88801f6aa3c4 RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: ffffffff897da2d0 RDI: ffffc90000006c20
RBP: 1ffff92000000d84 R08: ffffc90000006cb0 R09: 0000000000000007
R10: ffffc90000006c38 R11: ffffffff81b10630 R12: dffffc0000000000
R13: ffffc900000072a0 R14: ffffc90000006be8 R15: 1ffff92000000d7d
FS: 0000000000000000(0000) GS:ffff88812527b000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000772000 CR3: 000000000e746000 CR4: 00000000003526f0
Call Trace:
rcu_read_lock include/linux/rcupdate.h:838 [inline]
class_rcu_constructor include/linux/rcupdate.h:1183 [inline]
unwind_next_frame+0x88/0x2550 arch/x86/kernel/unwind_orc.c:495
arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584
poison_slab_object mm/kasan/common.c:253 [inline]
__kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285
kasan_slab_free include/linux/kasan.h:235 [inline]
slab_free_hook mm/slub.c:2700 [inline]
slab_free mm/slub.c:6310 [inline]
kfree+0x1c5/0x640 mm/slub.c:6625
skb_kfree_head net/core/skbuff.c:1077 [inline]
skb_free_head net/core/skbuff.c:1089 [inline]
skb_release_data+0x85e/0xab0 net/core/skbuff.c:1116
skb_release_all net/core/skbuff.c:1191 [inline]
__kfree_skb+0x5d/0x210 net/core/skbuff.c:1205
kfree_skb_reason include/linux/skbuff.h:1325 [inline]
kfree_skb include/linux/skbuff.h:1334 [inline]
netif_receive_generic_xdp net/core/dev.c:5622 [inline]
do_xdp_generic+0xc47/0x12d0 net/core/dev.c:5670
__netif_receive_skb_core+0x10e0/0x30b0 net/core/dev.c:6016
__netif_receive_skb_one_core net/core/dev.c:6204 [inline]
__netif_receive_skb net/core/dev.c:6319 [inline]
netif_receive_skb_internal net/core/dev.c:6405 [inline]
netif_receive_skb+0x1fe/0xbf0 net/core/dev.c:6464
NF_HOOK+0xa4/0x3a0 include/linux/netfilter.h:318
br_handle_frame_finish+0x1192/0x1990 net/bridge/br_input.c:-1
nf_hook_bridge_pre net/bridge/br_input.c:313 [inline]
br_handle_frame+0x81b/0x1510 net/bridge/br_input.c:442
__netif_receive_skb_core+0x989/0x30b0 net/core/dev.c:6093
__netif_receive_skb_one_core net/core/dev.c:6204 [inline]
__netif_receive_skb net/core/dev.c:6319 [inline]
process_backlog+0x706/0x1860 net/core/dev.c:6670
__napi_poll+0xaa/0x330 net/core/dev.c:7729
napi_poll net/core/dev.c:7792 [inline]
net_rx_action+0x61d/0xf50 net/core/dev.c:7949
handle_softirqs+0x225/0x840 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xca/0x220 kernel/softirq.c:735
irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:check_hung_uninterruptible_tasks kernel/hung_task.c:-1 [inline]
RIP: 0010:watchdog+0xa16/0x1030 kernel/hung_task.c:561
Code: 20 4c 8b 64 24 08 e8 49 09 00 00 e8 b4 17 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 fe 26 6b 00 4d 8b 24 24 <48> 8b 84 24 90 00 00 00 42 80 3c 28 00 74 08 4c 89 f7 e8 e3 26 6b
RSP: 0018:ffffc90000a77d58 EFLAGS: 00000246
RAX: 1ffff110086f40de RBX: 00000000003ffe28 RCX: ffff88801f6a9f00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888033e25d2b R09: 1ffff110067c4ba5
R10: dffffc0000000000 R11: ffffed10067c4ba6 R12: ffff88802cc75e50
R13: dffffc0000000000 R14: ffff8880437a0988 R15: 1ffffffff1cc1e50
kthread+0x388/0x470 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
kworker/u8:5: page allocation failure: order:0, mode:0x40820(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
,cpuset=/,mems_allowed=0-1
CPU: 1 UID: 0 PID: 133 Comm: kworker/u8:5 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: wg-kex-wg0 wg_packet_handshake_send_worker
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
warn_alloc+0x249/0x340 mm/page_alloc.c:4018
__alloc_pages_slowpath+0xca7/0xd30 mm/page_alloc.c:4962
__alloc_frozen_pages_noprof+0x31f/0x380 mm/page_alloc.c:5234
alloc_pages_mpol+0x212/0x380 mm/mempolicy.c:2490
alloc_slab_page mm/slub.c:3287 [inline]
allocate_slab+0x12e/0x5d0 mm/slub.c:3412
new_slab mm/slub.c:3447 [inline]
___slab_alloc+0x15b/0x970 mm/slub.c:4485
__slab_alloc_node mm/slub.c:4549 [inline]
slab_alloc_node mm/slub.c:4927 [inline]
kmem_cache_alloc_noprof+0x124/0x650 mm/slub.c:4946
skb_ext_maybe_cow net/core/skbuff.c:7112 [inline]
skb_ext_add+0x1b6/0x8e0 net/core/skbuff.c:7187
nf_bridge_unshare net/bridge/br_netfilter_hooks.c:170 [inline]
br_nf_forward_ip+0xc3/0xa30 net/bridge/br_netfilter_hooks.c:686
nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
nf_hook_slow+0xc5/0x220 net/netfilter/core.c:619
nf_hook include/linux/netfilter.h:273 [inline]
NF_HOOK+0x23e/0x3f0 include/linux/netfilter.h:316
__br_forward+0x397/0x540 net/bridge/br_forward.c:115
br_handle_frame_finish+0x1175/0x1990 net/bridge/br_input.c:229
br_nf_hook_thresh+0x3dd/0x4c0 net/bridge/br_netfilter_hooks.c:-1
br_nf_pre_routing_finish_ipv6+0x90c/0xc40 net/bridge/br_netfilter_ipv6.c:-1
NF_HOOK include/linux/netfilter.h:318 [inline]
br_nf_pre_routing_ipv6+0x382/0x6f0 net/bridge/br_netfilter_ipv6.c:183
nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:291 [inline]
br_handle_frame+0x127f/0x1510 net/bridge/br_input.c:442
__netif_receive_skb_core+0x989/0x30b0 net/core/dev.c:6093
__netif_receive_skb_one_core net/core/dev.c:6204 [inline]
__netif_receive_skb net/core/dev.c:6319 [inline]
process_backlog+0x706/0x1860 net/core/dev.c:6670
__napi_poll+0xaa/0x330 net/core/dev.c:7729
napi_poll net/core/dev.c:7792 [inline]
net_rx_action+0x61d/0xf50 net/core/dev.c:7949
handle_softirqs+0x225/0x840 kernel/softirq.c:622
do_softirq+0x76/0xd0 kernel/softirq.c:523
__local_bh_enable_ip+0xf8/0x130 kernel/softirq.c:450
blake2s_compress+0xfa/0x1c00 lib/crypto/x86/blake2s.h:42
blake2s_update+0x140/0x450 lib/crypto/blake2s.c:119
hmac+0x2d1/0x3b0 drivers/net/wireguard/noise.c:332
kdf+0x12d/0x290 drivers/net/wireguard/noise.c:367
mix_precomputed_dh drivers/net/wireguard/noise.c:426 [inline]
wg_noise_handshake_create_initiation+0x460/0x810 drivers/net/wireguard/noise.c:560
wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:34 [inline]
wg_packet_handshake_send_worker+0x18c/0x370 drivers/net/wireguard/send.c:51
process_one_work kernel/workqueue.c:3314 [inline]
process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3397
worker_thread+0xa47/0xfb0 kernel/workqueue.c:3478
kthread+0x388/0x470 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Mem-Info:
cache: skbuff_head_cache, object size: 240, buffer size: 320, default order: 0, min order: 0
active_anon:5503 inactive_anon:0 isolated_anon:0
active_file:2828 inactive_file:40151 isolated_file:0
unevictable:768 dirty:22 writeback:14
slab_reclaimable:13006 slab_unreclaimable:1408798
mapped:29232 shmem:1294 pagetables:1447
sec_pagetables:0 bounce:0
kernel_misc_reclaimable:0
free:9792 free_pcp:7388 free_cma:0
Node 0 active_anon:22012kB inactive_anon:0kB active_file:11312kB inactive_file:160400kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:35008kB dirty:88kB writeback:56kB shmem:3640kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:17664kB pagetables:5652kB sec_pagetables:0kB all_unreclaimable? no Balloon:0kB gpu_active:0kB gpu_reclaim:0kB
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:204kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:81920kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:64kB pagetables:136kB sec_pagetables:0kB all_unreclaimable? no Balloon:0kB gpu_active:0kB gpu_reclaim:0kB
Node 0 DMA free:10000kB boost:0kB min:208kB low:260kB high:312kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:48kB local_pcp:28kB free_cma:0kB
lowmem_reserve[]: 0 2492 2493
node 0: slabs: 91301, objs: 1095612, free: 0
2493 2493
Node 0 DMA32 free:9388kB boost:76908kB min:111092kB low:119636kB high:128180kB reserved_highatomic:0KB free_highatomic:0KB active_anon:22012kB inactive_anon:0kB active_file:11312kB inactive_file:160400kB unevictable:1536kB writepending:144kB zspages:0kB present:3129332kB managed:2552580kB mlocked:0kB bounce:0kB free_pcp:23580kB local_pcp:8412kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 Normal free:0kB boost:0kB min:8kB low:8kB high:8kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:1048580kB managed:664kB mlocked:0kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:19780kB boost:0kB min:55704kB low:69628kB high:83552kB reserved_highatomic:6144KB free_highatomic:300KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:204kB unevictable:1536kB writepending:0kB zspages:0kB present:4194300kB managed:4111100kB mlocked:0kB bounce:0kB free_pcp:5920kB local_pcp:1588kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 1*256kB (U) 1*512kB (U) 3*1024kB (U) 3*2048kB (UM) 0*4096kB = 9996kB
Node 0 DMA32: 1*4kB (E) 0*8kB 1*16kB (E) 0*32kB 1*64kB (E) 44*128kB (ME) 14*256kB (ME) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 9300kB
Node 0 Normal:
node 1: slabs: 226913, objs: 2722956, free: 22
0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 1*4kB (H) 2*8kB (MH) 1*16kB (M) 3*32kB (UMH) 2*64kB (UM) 1*128kB (M)
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
3*256kB (MH) 2*512kB (M) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19588kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB
44269 total pagecache pages
0 pages in swap cache
Free swap = 124996kB
Total swap = 124996kB
2097051 pages RAM
0 pages HighMem/MovableOnly
427125 pages reserved
0 pages cma reserved
SLUB: Unable to allocate memory on CPU 1 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
cache: skbuff_ext_cache, object size: 184, buffer size: 256, default order: 0, min order: 0
node 0: slabs: 13029, objs: 208464, free: 0
cache: skbuff_head_cache, object size: 240, buffer size: 320, default order: 0, min order: 0
node 1: slabs: 26314, objs: 421024, free: 23
SLUB: Unable to allocate memory on CPU 1 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
node 0: slabs: 91301, objs: 1095612, free: 0
cache: skbuff_head_cache, object size: 240, buffer size: 320, default order: 0, min order: 0
node 0: slabs: 91301, objs: 1095612, free: 0
node 1: slabs: 226913, objs: 2722956, free: 22
SLUB: Unable to allocate memory on CPU 1 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
cache: skbuff_ext_cache, object size: 184, buffer size: 256, default order: 0, min order: 0
node 0: slabs: 13029, objs: 208464, free: 0
node 1: slabs: 26314, objs: 421024, free: 23
SLUB: Unable to allocate memory on CPU 1 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
node 1: slabs: 226913, objs: 2722956, free: 22
cache: skbuff_head_cache, object size: 240, buffer size: 320, default order: 0, min order: 0
node 0: slabs: 91301, objs: 1095612, free: 0
node 1: slabs: 226913, objs: 2722956, free: 22
SLUB: Unable to allocate memory on CPU 1 (of node 0) on node -1, gfp=0x920(GFP_ATOMIC|__GFP_ZERO)
cache: kmalloc-256, object size: 256, buffer size: 512, default order: 1, min order: 0
node 0: slabs: 736, objs: 11776, free: 0
node 1: slabs: 126, objs: 2016, free: 3
SLUB: Unable to allocate memory on CPU 1 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
cache: skbuff_head_cache, object size: 240, buffer size: 320, default order: 0, min order: 0
node 0: slabs: 91301, objs: 1095612, free: 0
node 1: slabs: 226913, objs: 2722956, free: 22
SLUB: Unable to allocate memory on CPU 1 (of node 0) on node -1, gfp=0x2000920(GFP_ATOMIC|__GFP_ZERO|__GFP_NO_OBJ_EXT)
cache: kmalloc-256, object size: 256, buffer size: 512, default order: 1, min order: 0
node 0: slabs: 736, objs: 11776, free: 0
node 1: slabs: 126, objs: 2016, free: 3
cache: skbuff_head_cache, object size: 240, buffer size: 320, default order: 0, min order: 0
node 0: slabs: 69129, objs: 829548, free: 7504
node 1: slabs: 226913, objs: 2722956, free: 22