RDX: 0000000000000000 RSI: 00007ffc41166b70 RDI: 000000000000000b
RBP: 00007ffc41166b70 R08: 00007ffc41166bf0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffc41166f50 R14: 0000000000000000 R15: 0000000000000000
CPU: 1 PID: 5543 Comm: kworker/1:2 Not tainted 4.19.0+ #135
rcu: INFO: rcu_preempt self-detected stall on CPU
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_power_efficient neigh_periodic_work
Call Trace:
rcu: 	0-....: (1 GPs behind) idle=f4e/1/0x4000000000000004 softirq=38264/38265 fqs=8 
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
rcu: 	
 (t=10738 jiffies g=53393 q=40)
rcu: rcu_preempt kthread starved for 593 jiffies! g53393 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R
  running task    
22568    10      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2826 [inline]
 __schedule+0x8cf/0x21d0 kernel/sched/core.c:3474
 schedule+0xfe/0x460 kernel/sched/core.c:3518
 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
NMI backtrace for cpu 0
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1020
 </IRQ>
 do_softirq.part.14+0x126/0x160 kernel/softirq.c:337
 do_softirq kernel/softirq.c:329 [inline]
 __local_bh_enable_ip+0x21d/0x260 kernel/softirq.c:189
 __raw_write_unlock_bh include/linux/rwlock_api_smp.h:275 [inline]
 _raw_write_unlock_bh+0x30/0x40 kernel/locking/spinlock.c:344
 neigh_periodic_work+0x6bd/0xc60 net/core/neighbour.c:871
 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153
 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 1 Comm: init Not tainted 4.19.0+ #135
Mem-Info:
active_anon:49306 inactive_anon:2084 isolated_anon:0
 active_file:13 inactive_file:14 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9476 slab_unreclaimable:1469522
 mapped:40979 shmem:2627 pagetables:637 bounce:0
 free:13676 free_pcp:141 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:197224kB inactive_anon:8336kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:10508kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0 
 <IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]:
 0 2818
 6321
 6321
 nmi_cpu_backtrace.cold.1+0x5c/0xa1 lib/nmi_backtrace.c:101
Node 0 
 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
DMA32 free:24880kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:176kB local_pcp:0kB free_cma:0kB
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
lowmem_reserve[]:
 trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline]
 rcu_dump_cpu_stacks+0x16f/0x1bc kernel/rcu/tree.c:1195
 0
 print_cpu_stall.cold.67+0x1f3/0x3c7 kernel/rcu/tree.c:1334
 0
 3503
 3503
Node 0 
Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:197224kB inactive_anon:8336kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2548kB bounce:0kB free_pcp:388kB local_pcp:380kB free_cma:0kB
lowmem_reserve[]:
 0
 0
 0
 0
Node 0 
DMA: 
 check_cpu_stall kernel/rcu/tree.c:1408 [inline]
 rcu_pending kernel/rcu/tree.c:2961 [inline]
 rcu_check_callbacks+0xf3b/0x13f0 kernel/rcu/tree.c:2506
1*4kB 
(U) 
0*8kB 
0*16kB 
1*32kB 
(U) 
2*64kB 
(U) 
1*128kB 
(U) 
1*256kB 
(U) 
0*512kB 
1*1024kB 
(U) 
1*2048kB 
(M) 
3*4096kB 
(M) 
= 15908kB
Node 0 
DMA32: 
4*4kB 
(M) 
0*8kB 
2*16kB 
(M) 
2*32kB 
(UM) 
3*64kB 
 update_process_times+0x2d/0x70 kernel/time/timer.c:1636
(M) 
 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
6*128kB 
 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
(UMH) 
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
5*256kB 
(UMH) 
4*512kB 
(UM) 
4*1024kB 
(UMH) 
2*2048kB 
(M) 
3*4096kB 
(M) 
= 24880kB
Node 0 
Normal: 
 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
1081*4kB 
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1034 [inline]
 smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1059
(UMEH) 
519*8kB 
(UME) 
198*16kB 
(UME) 
53*32kB 
(UMEH) 
1*64kB 
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
(M) 
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node+0x247/0x730 mm/slab.c:3642
0*128kB 
Code: 41 7e 0f 85 32 ff ff ff e8 55 f9 3f ff e9 28 ff ff ff e8 ac c3 c3 ff 48 83 3d 04 72 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90
0*256kB 
RSP: 0000:ffff8801dae073d8 EFLAGS: 00000286
1*512kB 
 ORIG_RAX: ffffffffffffff13
(H) 
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b34812b
0*1024kB 
RDX: 0000000000000000 RSI: ffff8801d9a40960 RDI: 0000000000000286
0*2048kB 
RBP: ffff8801dae07448 R08: ffff8801d9a40958 R09: 0000000000000002
0*4096kB 
R10: 0000000000000000 R11: ffff8801d9a40040 R12: ffff8801d9bd2c80
= 13916kB
R13: ffff8801d9bd2c80 R14: 0000000000000000 R15: 0000000000000286
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
2654 total pagecache pages
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342867 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
 alloc_skb include/linux/skbuff.h:997 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
kworker/1:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/1:2 cpuset=
/
 mems_allowed=0
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
 </IRQ>
RIP: 0010:shrink_page_list+0x79f/0xccd0 mm/vmscan.c:1102
Code: f2 f2 c7 80 f8 02 00 00 f2 f2 f2 f2 c7 80 fc 02 00 00 00 f2 f2 f2 c7 80 00 03 00 00 f2 f2 f2 f2 c7 80 04 03 00 00 00 f2 f2 f2 <c7> 80 08 03 00 00 f2 f2 f2 f2 c7 80 0c 03 00 00 00 f2 f2 f2 c7 80
RSP: 0000:ffff8801d9a4bcd8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: ffffed003b3497b6 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: ffff8801d9a4e930 RSI: ffff88021fffa000 RDI: ffff8801d9a4e158
RBP: ffff8801d9a4e078 R08: ffff8801d9a4e198 R09: 0000000000000000
R10: 0000000000000000 R11: ffff8801d9a40040 R12: ffff8801d9a4e050
R13: ffff8801d9a4e258 R14: 0000000000000001 R15: ffff8801d9a4e930
 shrink_inactive_list+0x77b/0x1c60 mm/vmscan.c:1953
 shrink_list mm/vmscan.c:2264 [inline]
 shrink_node_memcg+0x78b/0x18f0 mm/vmscan.c:2527
 shrink_node+0x3bc/0x16b0 mm/vmscan.c:2742
 shrink_zones mm/vmscan.c:2974 [inline]
 do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036
 try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251
 __perform_reclaim mm/page_alloc.c:3769 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
 __alloc_pages_slowpath+0x9c4/0x2d70 mm/page_alloc.c:4191
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 alloc_pages_current+0x173/0x350 mm/mempolicy.c:2093
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x38c/0x5c0 mm/filemap.c:946
 page_cache_read mm/filemap.c:2385 [inline]
 filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259
 __do_fault+0x100/0x6b0 mm/memory.c:2993
 do_read_fault mm/memory.c:3405 [inline]
 do_fault mm/memory.c:3505 [inline]
 handle_pte_fault mm/memory.c:3736 [inline]
 __handle_mm_fault+0x307c/0x5920 mm/memory.c:3860
 handle_mm_fault+0x54f/0xc70 mm/memory.c:3897
 do_user_addr_fault arch/x86/mm/fault.c:1423 [inline]
 __do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489
 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136
RIP: 0033:0x7f4c2eec5dd3
Code: Bad RIP value.
RSP: 002b:00007ffc41166818 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffc411669c0 RCX: 00007f4c2eec5dd3
RDX: 0000000000000000 RSI: 00007ffc41166b70 RDI: 000000000000000b
RBP: 00007ffc41166b70 R08: 00007ffc41166bf0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffc41166f50 R14: 0000000000000000 R15: 0000000000000000
CPU: 1 PID: 5543 Comm: kworker/1:2 Not tainted 4.19.0+ #135
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_power_efficient neigh_periodic_work
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
init cpuset=
Call Trace:
/
 <IRQ>
 mems_allowed=0
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1020
 </IRQ>
 do_softirq.part.14+0x126/0x160 kernel/softirq.c:337
 do_softirq kernel/softirq.c:329 [inline]
 __local_bh_enable_ip+0x21d/0x260 kernel/softirq.c:189
 __raw_write_unlock_bh include/linux/rwlock_api_smp.h:275 [inline]
 _raw_write_unlock_bh+0x30/0x40 kernel/locking/spinlock.c:344
 neigh_periodic_work+0x6bd/0xc60 net/core/neighbour.c:871
 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153
 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
CPU: 0 PID: 1 Comm: init Not tainted 4.19.0+ #135
Mem-Info:
active_anon:49306 inactive_anon:2084 isolated_anon:0
 active_file:13 inactive_file:14 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9476 slab_unreclaimable:1469522
 mapped:40979 shmem:2627 pagetables:637 bounce:0
 free:13676 free_pcp:141 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:197224kB inactive_anon:8336kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:10508kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0 
 <IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]:
 0
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 2818
 6321
 6321
Node 0 DMA32 free:24880kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:176kB local_pcp:0kB free_cma:0kB
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
lowmem_reserve[]: 0
 0
 3503
 3503
Node 0 
Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:197224kB inactive_anon:8336kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2548kB bounce:0kB free_pcp:388kB local_pcp:380kB free_cma:0kB
lowmem_reserve[]:
 0
 0
 0
 0
Node 0 DMA: 
1*4kB 
(U) 
0*8kB 
0*16kB 
1*32kB 
(U) 
2*64kB 
(U) 
1*128kB 
(U) 
1*256kB 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(U) 
0*512kB 
1*1024kB 
(U) 
1*2048kB 
(M) 
3*4096kB 
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
(M) 
= 15908kB
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
Node 0 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
DMA32: 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
4*4kB 
(M) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
0*8kB 
2*16kB 
(M) 
2*32kB 
(UM) 
3*64kB 
(M) 
6*128kB 
(UMH) 
 alloc_skb include/linux/skbuff.h:997 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
5*256kB 
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
(UMH) 
4*512kB 
(UM) 
4*1024kB 
(UMH) 
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
2*2048kB (M) 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
3*4096kB 
(M) 
= 24880kB
Node 0 
Normal: 
1081*4kB 
(UMEH) 
519*8kB 
(UME) 
198*16kB 
(UME) 
53*32kB 
(UMEH) 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
1*64kB 
(M) 
0*128kB 
0*256kB 
1*512kB 
(H) 
0*1024kB 
0*2048kB 
0*4096kB 
= 13916kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
2654 total pagecache pages
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342867 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
 </IRQ>
RIP: 0010:shrink_page_list+0x79f/0xccd0 mm/vmscan.c:1102
Code: f2 f2 c7 80 f8 02 00 00 f2 f2 f2 f2 c7 80 fc 02 00 00 00 f2 f2 f2 c7 80 00 03 00 00 f2 f2 f2 f2 c7 80 04 03 00 00 00 f2 f2 f2 <c7> 80 08 03 00 00 f2 f2 f2 f2 c7 80 0c 03 00 00 00 f2 f2 f2 c7 80
RSP: 0000:ffff8801d9a4bcd8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: ffffed003b3497b6 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: ffff8801d9a4e930 RSI: ffff88021fffa000 RDI: ffff8801d9a4e158
RBP: ffff8801d9a4e078 R08: ffff8801d9a4e198 R09: 0000000000000000
R10: 0000000000000000 R11: ffff8801d9a40040 R12: ffff8801d9a4e050
R13: ffff8801d9a4e258 R14: 0000000000000001 R15: ffff8801d9a4e930
 shrink_inactive_list+0x77b/0x1c60 mm/vmscan.c:1953
 shrink_list mm/vmscan.c:2264 [inline]
 shrink_node_memcg+0x78b/0x18f0 mm/vmscan.c:2527
syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor4 cpuset=syz4
 mems_allowed=0
 shrink_node+0x3bc/0x16b0 mm/vmscan.c:2742
 shrink_zones mm/vmscan.c:2974 [inline]
 do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036
 try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251
 __perform_reclaim mm/page_alloc.c:3769 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
 __alloc_pages_slowpath+0x9c4/0x2d70 mm/page_alloc.c:4191
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 alloc_pages_current+0x173/0x350 mm/mempolicy.c:2093
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x38c/0x5c0 mm/filemap.c:946
 page_cache_read mm/filemap.c:2385 [inline]
 filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259
 __do_fault+0x100/0x6b0 mm/memory.c:2993
 do_read_fault mm/memory.c:3405 [inline]
 do_fault mm/memory.c:3505 [inline]
 handle_pte_fault mm/memory.c:3736 [inline]
 __handle_mm_fault+0x307c/0x5920 mm/memory.c:3860
 handle_mm_fault+0x54f/0xc70 mm/memory.c:3897
 do_user_addr_fault arch/x86/mm/fault.c:1423 [inline]
 __do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489
 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136
RIP: 0033:0x7f4c2eec5dd3
Code: Bad RIP value.
RSP: 002b:00007ffc41166818 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffc411669c0 RCX: 00007f4c2eec5dd3
RDX: 0000000000000000 RSI: 00007ffc41166b70 RDI: 000000000000000b
RBP: 00007ffc41166b70 R08: 00007ffc41166bf0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffc41166f50 R14: 0000000000000000 R15: 0000000000000000
CPU: 1 PID: 22713 Comm: syz-executor4 Not tainted 4.19.0+ #135
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
init cpuset=
/
 mems_allowed=0
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 __do_cache_alloc mm/slab.c:3356 [inline]
 slab_alloc mm/slab.c:3384 [inline]
 kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552
 skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
 ____bpf_clone_redirect net/core/filter.c:2080 [inline]
 bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
 bpf_prog_bebbfe2050753572+0x283/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 1 Comm: init Not tainted 4.19.0+ #135
Mem-Info:
active_anon:49306 inactive_anon:2084 isolated_anon:0
 active_file:13 inactive_file:14 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9476 slab_unreclaimable:1469522
 mapped:40979 shmem:2627 pagetables:637 bounce:0
 free:13676 free_pcp:141 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:197224kB inactive_anon:8336kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:10508kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0 
 <IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]:
 0
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 2818
 6321
 6321
Node 0 
DMA32 free:24880kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:176kB local_pcp:0kB free_cma:0kB
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
lowmem_reserve[]:
 0
 0
 3503
 3503
Node 0 
Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:197224kB inactive_anon:8336kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2548kB bounce:0kB free_pcp:388kB local_pcp:380kB free_cma:0kB
lowmem_reserve[]:
 0
 0
 0
 0
Node 0 DMA: 
1*4kB 
(U) 
0*8kB 
0*16kB 
1*32kB 
(U) 
2*64kB 
(U) 
1*128kB (U) 
1*256kB 
(U) 
0*512kB 
1*1024kB (U) 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
1*2048kB 
(M) 
3*4096kB 
(M) 
= 15908kB
Node 0 
DMA32: 
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
4*4kB 
(M) 
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
0*8kB 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
2*16kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M) 
2*32kB 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM) 
3*64kB 
(M) 
6*128kB 
(UMH) 
5*256kB 
(UMH) 
4*512kB (UM) 
4*1024kB (UMH) 
 alloc_skb include/linux/skbuff.h:997 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
2*2048kB 
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
(M) 
3*4096kB 
(M) 
= 24880kB
Node 0 
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
Normal: 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
1081*4kB 
(UMEH) 
519*8kB 
(UME) 
198*16kB 
(UME) 
53*32kB 
(UMEH) 
1*64kB 
(M) 
0*128kB 
0*256kB 
1*512kB 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
(H) 
0*1024kB 
0*2048kB 
0*4096kB 
= 13916kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
2654 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
0 pages HighMem/MovableOnly
342867 pages reserved
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
0 pages cma reserved
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
 </IRQ>
RIP: 0010:shrink_page_list+0x79f/0xccd0 mm/vmscan.c:1102
Code: f2 f2 c7 80 f8 02 00 00 f2 f2 f2 f2 c7 80 fc 02 00 00 00 f2 f2 f2 c7 80 00 03 00 00 f2 f2 f2 f2 c7 80 04 03 00 00 00 f2 f2 f2 <c7> 80 08 03 00 00 f2 f2 f2 f2 c7 80 0c 03 00 00 00 f2 f2 f2 c7 80
RSP: 0000:ffff8801d9a4bcd8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: ffffed003b3497b6 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: ffff8801d9a4e930 RSI: ffff88021fffa000 RDI: ffff8801d9a4e158
RBP: ffff8801d9a4e078 R08: ffff8801d9a4e198 R09: 0000000000000000
R10: 0000000000000000 R11: ffff8801d9a40040 R12: ffff8801d9a4e050
R13: ffff8801d9a4e258 R14: 0000000000000001 R15: ffff8801d9a4e930
kworker/1:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/1:2 cpuset=/
 mems_allowed=0
 shrink_inactive_list+0x77b/0x1c60 mm/vmscan.c:1953
 shrink_list mm/vmscan.c:2264 [inline]
 shrink_node_memcg+0x78b/0x18f0 mm/vmscan.c:2527
 shrink_node+0x3bc/0x16b0 mm/vmscan.c:2742
 shrink_zones mm/vmscan.c:2974 [inline]
 do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036
 try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251
 __perform_reclaim mm/page_alloc.c:3769 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
 __alloc_pages_slowpath+0x9c4/0x2d70 mm/page_alloc.c:4191
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 alloc_pages_current+0x173/0x350 mm/mempolicy.c:2093
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x38c/0x5c0 mm/filemap.c:946
 page_cache_read mm/filemap.c:2385 [inline]
 filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259
 __do_fault+0x100/0x6b0 mm/memory.c:2993
 do_read_fault mm/memory.c:3405 [inline]
 do_fault mm/memory.c:3505 [inline]
 handle_pte_fault mm/memory.c:3736 [inline]
 __handle_mm_fault+0x307c/0x5920 mm/memory.c:3860
 handle_mm_fault+0x54f/0xc70 mm/memory.c:3897
 do_user_addr_fault arch/x86/mm/fault.c:1423 [inline]
 __do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489
 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136
RIP: 0033:0x7f4c2eec5dd3
Code: Bad RIP value.
RSP: 002b:00007ffc41166818 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffc411669c0 RCX: 00007f4c2eec5dd3
RDX: 0000000000000000 RSI: 00007ffc41166b70 RDI: 000000000000000b
RBP: 00007ffc41166b70 R08: 00007ffc41166bf0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffc41166f50 R14: 0000000000000000 R15: 0000000000000000
CPU: 1 PID: 5543 Comm: kworker/1:2 Not tainted 4.19.0+ #135
aoe: skb alloc failure