Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342867 pages reserved
0 pages cma reserved
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1199 ticks this GP) idle=242/1/0x4000000000000002 softirq=30434/30434 fqs=15 
 handle_mm_fault+0x54f/0xc70 mm/memory.c:3897
rcu: 	
 do_user_addr_fault arch/x86/mm/fault.c:1423 [inline]
 __do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489
 (t=10594 jiffies g=41609 q=55)
rcu: rcu_preempt kthread starved for 3594 jiffies! g41609 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520
rcu: RCU grace-period kthread stack dump:
rcu_preempt     I
23016    10      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2826 [inline]
 __schedule+0x8cf/0x21d0 kernel/sched/core.c:3474
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136
 schedule+0xfe/0x460 kernel/sched/core.c:3518
RIP: 0033:0x45ddf3
Code: Bad RIP value.
RSP: 002b:000000c420023ea0 EFLAGS: 00010202
RAX: ffffffffffffff92 RBX: 000000003119d2b3 RCX: 000000000045ddf3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060
RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
R13: 000000c42011a180 R14: 0000000000000001 R15: 0000000000000000
 rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor2 cpuset=
syz2
 mems_allowed=0
CPU: 1 PID: 18223 Comm: syz-executor2 Not tainted 4.19.0+ #72
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
 rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
 kthread+0x35a/0x420 kernel/kthread.c:246
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
NMI backtrace for cpu 0
 __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_dc6f81d0b0097db7+0x491/0x1000
Mem-Info:
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #72
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:30306 inactive_anon:4226 isolated_anon:0
 active_file:13 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9164 slab_unreclaimable:1487726
 mapped:8212 shmem:4233 pagetables:385 bounce:0
 free:13708 free_pcp:424 free_cma:0
Call Trace:
Node 0 active_anon:121224kB inactive_anon:16904kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32848kB dirty:0kB writeback:0kB shmem:16932kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
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
lowmem_reserve[]:
 0
 2818
 nmi_cpu_backtrace.cold.1+0x5c/0xa1 lib/nmi_backtrace.c:101
 6321
 6321
 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
Node 0 
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
DMA32 free:25144kB min:30052kB low:37564kB high:45076kB active_anon:104kB 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:248kB local_pcp:0kB free_cma:0kB
 trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline]
 rcu_dump_cpu_stacks+0x16f/0x1bc kernel/rcu/tree.c:1195
lowmem_reserve[]:
 print_cpu_stall.cold.67+0x1f3/0x3c7 kernel/rcu/tree.c:1334
 0
 0
 3503
 3503
Node 0 
Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:121120kB inactive_anon:16904kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:4768kB pagetables:1540kB bounce:0kB free_pcp:1448kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]:
 0 0
 0
 0
 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
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) 
1*2048kB (M) 
3*4096kB (M) 
= 15908kB
Node 0 
DMA32: 0*4kB 
1*8kB (M) 
1*16kB (U) 
1*32kB 
(M) 
2*64kB 
(M) 
5*128kB 
(UM) 
3*256kB (M) 
 update_process_times+0x2d/0x70 kernel/time/timer.c:1636
4*512kB 
 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
(UM) 
 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
3*1024kB 
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
(UM) 3*2048kB 
(UM) 
3*4096kB (M) 
= 25144kB
Node 0 
Normal: 
535*4kB 
(ME) 
617*8kB (ME) 
273*16kB 
(UME) 
74*32kB 
(UM) 
 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
1*64kB 
 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
(U) 
0*128kB 
0*256kB 
0*512kB 
0*1024kB 
0*2048kB 
0*4096kB 
= 13876kB
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
4257 total pagecache pages
0 pages in swap cache
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
Swap cache stats: add 0, delete 0, find 0/0
 </IRQ>
Free swap  = 0kB
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
Total swap = 0kB
Code: 41 7e 0f 85 32 ff ff ff e8 95 f7 3f ff e9 28 ff ff ff e8 ec c1 c3 ff 48 83 3d 44 70 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 6a b1
1965979 pages RAM
RSP: 0018:ffff8801d9aaf3a0 EFLAGS: 00000286
0 pages HighMem/MovableOnly
 ORIG_RAX: ffffffffffffff13
342867 pages reserved
0 pages cma reserved
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b35415c
syz-fuzzer (5427) used greatest stack depth: 8568 bytes left
RDX: 0000000000000000 RSI: ffff8801d9aa0ae8 RDI: 0000000000000286
RBP: ffff8801d9aaf410 R08: ffff8801d9aa0ae0 R09: 0000000000000002
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
R10: 0000000000000000 R11: ffff8801d9aa0240 R12: ffff8801d9bd2680
syz-executor2 cpuset=
R13: ffff8801d9bd2680 R14: 0000000000000000 R15: 0000000000000286
syz2
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 mems_allowed=0
 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
 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
 run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
 smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
CPU: 1 PID: 18223 Comm: syz-executor2 Not tainted 4.19.0+ #72
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
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
ksoftirqd/0 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_dc6f81d0b0097db7+0x491/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #72
Mem-Info:
active_anon:30306 inactive_anon:4226 isolated_anon:0
 active_file:13 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9164 slab_unreclaimable:1487726
 mapped:8212 shmem:4233 pagetables:385 bounce:0
 free:13708 free_pcp:424 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:121224kB inactive_anon:16904kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32848kB dirty:0kB writeback:0kB shmem:16932kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
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
lowmem_reserve[]:
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 0 2818
 6321
 6321
Node 0 
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
DMA32 free:25144kB min:30052kB low:37564kB high:45076kB active_anon:104kB 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:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
 0 3503
 3503
Node 0 
Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:121120kB inactive_anon:16904kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:4736kB pagetables:1540kB bounce:0kB free_pcp:1448kB local_pcp:248kB 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) 
1*2048kB (M) 
3*4096kB 
(M) 
= 15908kB
Node 0 
DMA32: 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
0*4kB 
1*8kB 
(M) 
1*16kB 
(U) 1*32kB 
(M) 
2*64kB 
 __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) 
5*128kB 
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
(UM) 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
3*256kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M) 
4*512kB 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM) 
3*1024kB 
(UM) 
3*2048kB 
(UM) 
3*4096kB 
(M) 
= 25144kB
Node 0 
 alloc_skb include/linux/skbuff.h:997 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
Normal: 
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
535*4kB 
(ME) 
617*8kB 
(ME) 
273*16kB (UME) 
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
76*32kB (UM) 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
1*64kB 
(U) 
0*128kB 
0*256kB 
0*512kB 
0*1024kB 0*2048kB 
0*4096kB = 13940kB
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
4257 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
1965979 pages RAM
0 pages HighMem/MovableOnly
342867 pages reserved
0 pages cma reserved
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
 smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
aoe: skb alloc failure
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor2 cpuset=
ksoftirqd/0 cpuset=
syz2 mems_allowed=0
/
CPU: 1 PID: 18223 Comm: syz-executor2 Not tainted 4.19.0+ #72
 mems_allowed=0
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
 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
 __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_dc6f81d0b0097db7+0x491/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #72
Mem-Info:
active_anon:30306 inactive_anon:4226 isolated_anon:0
 active_file:13 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9164 slab_unreclaimable:1487726
 mapped:8212 shmem:4233 pagetables:385 bounce:0
 free:13708 free_pcp:424 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:121224kB inactive_anon:16904kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32848kB dirty:0kB writeback:0kB shmem:16932kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
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
lowmem_reserve[]:
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 0 2818
 6321 6321
Node 0 
DMA32 free:25144kB min:30052kB low:37564kB high:45076kB active_anon:104kB 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:248kB 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:13780kB min:37364kB low:46704kB high:56044kB active_anon:121120kB inactive_anon:16904kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:4736kB pagetables:1540kB bounce:0kB free_pcp:1448kB local_pcp:248kB 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) 
1*2048kB (M) 
3*4096kB (M) 
= 15908kB
Node 0 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
DMA32: 0*4kB 
1*8kB 
(M) 
1*16kB 
(U) 
1*32kB 
(M) 
 __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
2*64kB 
(M) 
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
5*128kB 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(UM) 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
3*256kB 
(M) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
4*512kB 
(UM) 
3*1024kB 
(UM) 
3*2048kB (UM) 
3*4096kB 
(M) 
= 25144kB
Node 0 
 alloc_skb include/linux/skbuff.h:997 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
Normal: 
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
535*4kB 
(ME) 
617*8kB (ME) 
273*16kB (UME) 
76*32kB (UM) 
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
1*64kB 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(U) 
0*128kB 
0*256kB 0*512kB 
0*1024kB 0*2048kB 
0*4096kB 
= 13940kB
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
4257 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
0 pages HighMem/MovableOnly
342867 pages reserved
0 pages cma reserved
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor2 cpuset=
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
syz2
 mems_allowed=0
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
 smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
CPU: 1 PID: 18223 Comm: syz-executor2 Not tainted 4.19.0+ #72
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
ksoftirqd/0 cpuset=
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
/
 mems_allowed=0
 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
 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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a b1
RSP: 0018:ffff88015b607740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88010a372d40 RDI: 0000000000000286
RBP: ffff88015b6077a8 R08: ffff88010a3724c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
 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_dc6f81d0b0097db7+0x491/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #72
Mem-Info:
active_anon:30306 inactive_anon:4226 isolated_anon:0
 active_file:13 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9164 slab_unreclaimable:1487726
 mapped:8212 shmem:4233 pagetables:385 bounce:0
 free:13708 free_pcp:424 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:121224kB inactive_anon:16904kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32848kB dirty:0kB writeback:0kB shmem:16932kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
Node 0 
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
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
lowmem_reserve[]:
 0
 2818
 6321
 6321
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
Node 0 
DMA32 free:25144kB min:30052kB low:37564kB high:45076kB active_anon:104kB 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:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
 0
 0
 3503
 3503
Node 0 
Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:121120kB inactive_anon:16904kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:4736kB pagetables:1540kB bounce:0kB free_pcp:1448kB local_pcp:248kB 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) 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
1*256kB 
(U) 
0*512kB 
1*1024kB 
(U) 
1*2048kB 
(M) 
 __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
3*4096kB 
(M) 
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
= 15908kB
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
0*4kB 
1*8kB 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
(M) 
1*16kB 
(U) 
1*32kB 
(M) 
2*64kB 
(M) 
5*128kB 
 alloc_skb include/linux/skbuff.h:997 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
(UM) 
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
3*256kB 
(M) 
4*512kB 
(UM) 
3*1024kB 
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
(UM) 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
3*2048kB 
(UM) 
3*4096kB 
(M) 
= 25144kB
Node 0 
Normal: 
535*4kB 
(ME) 
617*8kB 
(ME) 
273*16kB 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
(UME) 
76*32kB 
(UM) 
1*64kB 
(U) 
0*128kB 
0*256kB 
0*512kB 
0*1024kB 
0*2048kB 
0*4096kB 
= 13940kB
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
4257 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
Total swap = 0kB
1965979 pages RAM
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
 smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
aoe: skb alloc failure
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=/ mems_allowed=0
0 pages HighMem/MovableOnly
342867 pages reserved
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #72
0 pages cma reserved
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Call Trace:
 __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
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/1 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
 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]
 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
 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
 run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
 smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
 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: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.19.0+ #72
Mem-Info:
active_anon:30306 inactive_anon:4226 isolated_anon:0
 active_file:13 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9164 slab_unreclaimable:1487726
 mapped:8212 shmem:4233 pagetables:385 bounce:0
 free:13708 free_pcp:424 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:121224kB inactive_anon:16904kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32848kB dirty:0kB writeback:0kB shmem:16932kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
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
lowmem_reserve[]:
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 0 2818
 6321
 6321
Node 0 
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
DMA32 free:25144kB min:30052kB low:37564kB high:45076kB active_anon:104kB 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:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]:
 0
 0 3503
 3503
Node 0 
Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:121120kB inactive_anon:16904kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:4736kB pagetables:1540kB bounce:0kB free_pcp:1448kB local_pcp:1200kB 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) 
1*2048kB (M) 
3*4096kB 
(M) 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
= 15908kB
Node 0 
DMA32: 0*4kB 
1*8kB (M) 
1*16kB 
(U) 
1*32kB 
(M) 
 __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
2*64kB (M) 
5*128kB 
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
(UM) 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
3*256kB 
 __do_cache_alloc mm/slab.c:3356 [inline]
 slab_alloc mm/slab.c:3384 [inline]
 kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552
(M) 
4*512kB 
 __build_skb+0xab/0x430 net/core/skbuff.c:281
(UM) 
3*1024kB 
(UM) 
3*2048kB 
(UM) 
3*4096kB (M) 
= 25144kB
 __napi_alloc_skb+0x1d6/0x310 net/core/skbuff.c:482
Node 0 
 napi_alloc_skb include/linux/skbuff.h:2696 [inline]
 page_to_skb.isra.41+0xee/0x8d0 drivers/net/virtio_net.c:377
Normal: 535*4kB 
(ME) 
617*8kB 
(ME) 
273*16kB (UME) 
76*32kB 
(UM) 
 receive_mergeable+0x155d/0x3a90 drivers/net/virtio_net.c:900
1*64kB 
(U) 
0*128kB 
0*256kB 
0*512kB 
0*1024kB 
0*2048kB 
0*4096kB = 13940kB
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
4257 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
0 pages HighMem/MovableOnly
342867 pages reserved
0 pages cma reserved
aoe: skb alloc failure
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=
/
 mems_allowed=0
 receive_buf+0xb3c/0x3270 drivers/net/virtio_net.c:1009
 virtnet_receive drivers/net/virtio_net.c:1298 [inline]
 virtnet_poll+0x421/0x105f drivers/net/virtio_net.c:1385
 napi_poll net/core/dev.c:6275 [inline]
 net_rx_action+0x7fa/0x19b0 net/core/dev.c:6341
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
 smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
Mem-Info:
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #72
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:30306 inactive_anon:4226 isolated_anon:0
 active_file:13 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9164 slab_unreclaimable:1487726
 mapped:8212 shmem:4233 pagetables:385 bounce:0
 free:13708 free_pcp:424 free_cma:0
Call Trace:
Node 0 active_anon:121224kB inactive_anon:16904kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32848kB dirty:0kB writeback:0kB shmem:16932kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
Node 0 
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
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
lowmem_reserve[]: 0
 2818
 6321
 6321
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
Node 0 DMA32 free:25144kB min:30052kB low:37564kB high:45076kB active_anon:104kB 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:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
 0
 3503
 3503
Node 0 
Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:121120kB inactive_anon:16904kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:4736kB pagetables:1540kB bounce:0kB free_pcp:1448kB local_pcp:248kB 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 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
1*1024kB 
(U) 
1*2048kB 
(M) 
3*4096kB 
(M) 
= 15908kB
 __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
Node 0 
DMA32: 
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
0*4kB 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
1*8kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M) 1*16kB 
(U) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
1*32kB 
(M) 2*64kB 
(M) 
5*128kB 
(UM) 
3*256kB 
(M) 
4*512kB 
 alloc_skb include/linux/skbuff.h:997 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
(UM) 
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
3*1024kB 
(UM) 
3*2048kB 
(UM) 
3*4096kB 
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
(M) 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
= 25144kB
Node 0 
Normal: 
535*4kB 
(ME) 
617*8kB 
(ME) 
273*16kB 
(UME) 
76*32kB 
(UM) 
1*64kB 
(U) 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*128kB 
0*256kB 
0*512kB 
0*1024kB 
0*2048kB 
0*4096kB 
= 13940kB
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
4257 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
0 pages HighMem/MovableOnly
342867 pages reserved
0 pages cma reserved
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
ksoftirqd/1 cpuset=
/
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 mems_allowed=0
 run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
 smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.19.0+ #72
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
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0 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
 __build_skb+0xab/0x430 net/core/skbuff.c:281
 __napi_alloc_skb+0x1d6/0x310 net/core/skbuff.c:482
 napi_alloc_skb include/linux/skbuff.h:2696 [inline]
 page_to_skb.isra.41+0xee/0x8d0 drivers/net/virtio_net.c:377
 receive_mergeable+0x155d/0x3a90 drivers/net/virtio_net.c:900
 receive_buf+0xb3c/0x3270 drivers/net/virtio_net.c:1009
 virtnet_receive drivers/net/virtio_net.c:1298 [inline]
 virtnet_poll+0x421/0x105f drivers/net/virtio_net.c:1385
 napi_poll net/core/dev.c:6275 [inline]
 net_rx_action+0x7fa/0x19b0 net/core/dev.c:6341