RDX: 0000000000000000 RSI: 00007ffe8c7169d0 RDI: 000000000000000b
RBP: 00007ffe8c7169d0 R08: 00007ffe8c716a50 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffe8c716db0 R14: 0000000000000000 R15: 0000000000000000
CPU: 1 PID: 12120 Comm: syz-executor2 Not tainted 4.19.0+ #154
rcu: INFO: rcu_preempt self-detected stall on CPU
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: 	0-....: (1 GPs behind) idle=92e/1/0x4000000000000004 softirq=89219/89220 fqs=16 
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
rcu: 	
 (t=10763 jiffies g=118885 q=14)
rcu: rcu_preempt kthread starved for 1199 jiffies! g118885 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt     I
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
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
 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
 __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_6591a95a765fb735+0xfac/0x1000
 rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
NMI backtrace for cpu 0
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
CPU: 0 PID: 1 Comm: init Not tainted 4.19.0+ #154
active_anon:46995 inactive_anon:112 isolated_anon:0
 active_file:16 inactive_file:13 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:10800 slab_unreclaimable:1464959
 mapped:40962 shmem:119 pagetables:579 bounce:0
 free:13740 free_pcp:384 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:187980kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 34816kB 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 2820
 6323
 6323
 nmi_cpu_backtrace.cold.1+0x5c/0xa1 lib/nmi_backtrace.c:101
Node 0 
DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890764kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:472kB local_pcp:248kB free_cma:0kB
 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
lowmem_reserve[]: 0
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 0 3503
 trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline]
 rcu_dump_cpu_stacks+0x16f/0x1bc kernel/rcu/tree.c:1195
 3503
 print_cpu_stall.cold.67+0x1f3/0x3c7 kernel/rcu/tree.c:1334
Node 0 
Normal free:13896kB min:37352kB low:46688kB high:56024kB active_anon:187980kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:6048kB pagetables:2316kB bounce:0kB free_pcp:1064kB local_pcp:356kB free_cma:0kB
lowmem_reserve[]:
 0 0
 0 0
Node 0 
DMA: 1*4kB 
(U) 
0*8kB 0*16kB 
1*32kB 
(U) 2*64kB 
 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
(U) 1*128kB 
(U) 
1*256kB 
(U) 
0*512kB 1*1024kB 
(U) 
1*2048kB (M) 
3*4096kB 
(M) 
= 15908kB
Node 0 
DMA32: 3*4kB 
(M) 1*8kB 
(U) 
3*16kB (UM) 
4*32kB 
(UM) 
2*64kB (M) 
2*128kB (M) 
4*256kB 
(M) 
4*512kB 
(UM) 
3*1024kB 
(UM) 
3*2048kB (M) 
3*4096kB (M) 
= 25156kB
 update_process_times+0x2d/0x70 kernel/time/timer.c:1636
Node 0 
 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
Normal: 702*4kB 
 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
(ME) 
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
652*8kB 
(ME) 
221*16kB (UME) 
66*32kB (UM) 
1*64kB (U) 
0*128kB 1*256kB 
(U) 0*512kB 
0*1024kB 0*2048kB 
0*4096kB = 13992kB
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
148 total pagecache pages
0 pages in swap cache
 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
Swap cache stats: add 0, delete 0, find 0/0
 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
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342292 pages reserved
0 pages cma reserved
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
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
Code: 40 7e 0f 85 32 ff ff ff e8 15 92 3e ff e9 28 ff ff ff e8 ac c3 c3 ff 48 83 3d 84 0c 70 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 82 5c
RSP: 0000:ffff8801dae073d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b34812b
RDX: 0000000000000000 RSI: ffff8801d9a40960 RDI: 0000000000000286
RBP: ffff8801dae07448 R08: ffff8801d9a40958 R09: 0000000000000002
R10: 0000000000000000 R11: ffff8801d9a40040 R12: ffff8801d9bd2c80
R13: ffff8801d9bd2c80 R14: 0000000000000000 R15: 0000000000000286
 __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
 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:console_unlock+0xffa/0x1160 kernel/printk/printk.c:2409
Code: 30 f6 31 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d d6 76 cc 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d
RSP: 0000:ffff8801d9a4d408 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d9a40040 RBX: 0000000000000200 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: ffffffff81657f61 RDI: 0000000000000293
RBP: ffff8801d9a4d578 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000
R13: ffffffff848cce30 R14: dffffc0000000000 R15: ffffffff89944cb0
 vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
 vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
 printk+0xa7/0xcf kernel/printk/printk.c:1996
 show_swap_cache_info+0x112/0x1a0 mm/swap_state.c:104
 show_free_areas.cold.118+0x10e3/0x215d mm/page_alloc.c:5040
 show_mem+0x34/0x17b lib/show_mem.c:18
 dump_header+0x2f1/0xf72 mm/oom_kill.c:445
 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
 out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
 __alloc_pages_slowpath+0x22d4/0x2d70 mm/page_alloc.c:4235
 __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:6291
 __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: 0033:0x7fe794de5dd3
Code: Bad RIP value.
RSP: 002b:00007ffe8c716678 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffe8c716820 RCX: 00007fe794de5dd3
RDX: 0000000000000000 RSI: 00007ffe8c7169d0 RDI: 000000000000000b
RBP: 00007ffe8c7169d0 R08: 00007ffe8c716a50 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffe8c716db0 R14: 0000000000000000 R15: 0000000000000000
aoe: skb alloc failure
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor2 cpuset=
init cpuset=
syz2 mems_allowed=0
/
CPU: 1 PID: 12120 Comm: syz-executor2 Not tainted 4.19.0+ #154
 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_6591a95a765fb735+0xfac/0x1000
Mem-Info:
CPU: 0 PID: 1 Comm: init Not tainted 4.19.0+ #154
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:46995 inactive_anon:112 isolated_anon:0
 active_file:16 inactive_file:13 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:10800 slab_unreclaimable:1464959
 mapped:40962 shmem:119 pagetables:579 bounce:0
 free:13740 free_pcp:384 free_cma:0
Call Trace:
Node 0 active_anon:187980kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 34816kB 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[]:
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 0
 2820 6323
 6323
Node 0 
DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890764kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:472kB local_pcp:248kB free_cma:0kB
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
lowmem_reserve[]:
 0
 0
 3503
 3503
Node 0 
Normal free:13896kB min:37352kB low:46688kB high:56024kB active_anon:187980kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:6048kB pagetables:2316kB bounce:0kB free_pcp:1064kB local_pcp:356kB 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: 3*4kB 
(M) 1*8kB 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(U) 
3*16kB (UM) 
4*32kB (UM) 
2*64kB (M) 
2*128kB 
(M) 4*256kB 
(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
4*512kB (UM) 
3*1024kB (UM) 
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
3*2048kB 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M) 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
3*4096kB (M) 
= 25156kB
Node 0 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
Normal: 702*4kB 
(ME) 
652*8kB (ME) 
221*16kB 
(UME) 
66*32kB (UM) 
1*64kB 
 alloc_skb include/linux/skbuff.h:997 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
(U) 
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
0*128kB 
1*256kB 
(U) 
0*512kB 0*1024kB 
0*2048kB 0*4096kB 
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
= 13992kB
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
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
148 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
342292 pages reserved
0 pages cma reserved
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor2 cpuset=
syz2
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 mems_allowed=0
 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:console_unlock+0xffa/0x1160 kernel/printk/printk.c:2409
Code: 30 f6 31 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d d6 76 cc 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d
RSP: 0000:ffff8801d9a4d408 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d9a40040 RBX: 0000000000000200 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: ffffffff81657f61 RDI: 0000000000000293
RBP: ffff8801d9a4d578 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000
R13: ffffffff848cce30 R14: dffffc0000000000 R15: ffffffff89944cb0
 vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
 vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
 printk+0xa7/0xcf kernel/printk/printk.c:1996
 show_swap_cache_info+0x112/0x1a0 mm/swap_state.c:104
 show_free_areas.cold.118+0x10e3/0x215d mm/page_alloc.c:5040
 show_mem+0x34/0x17b lib/show_mem.c:18
 dump_header+0x2f1/0xf72 mm/oom_kill.c:445
 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
 out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
 __alloc_pages_slowpath+0x22d4/0x2d70 mm/page_alloc.c:4235
 __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:6291
 __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: 0033:0x7fe794de5dd3
Code: Bad RIP value.
RSP: 002b:00007ffe8c716678 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffe8c716820 RCX: 00007fe794de5dd3
RDX: 0000000000000000 RSI: 00007ffe8c7169d0 RDI: 000000000000000b
RBP: 00007ffe8c7169d0 R08: 00007ffe8c716a50 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffe8c716db0 R14: 0000000000000000 R15: 0000000000000000
CPU: 1 PID: 12120 Comm: syz-executor2 Not tainted 4.19.0+ #154
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_6591a95a765fb735+0xfac/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 1 Comm: init Not tainted 4.19.0+ #154
Mem-Info:
active_anon:46995 inactive_anon:112 isolated_anon:0
 active_file:16 inactive_file:13 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:10800 slab_unreclaimable:1464959
 mapped:40962 shmem:119 pagetables:579 bounce:0
 free:13740 free_pcp:384 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:187980kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 34816kB 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[]:
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 0
 2820 6323
 6323
Node 0 
DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890764kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:472kB local_pcp:248kB free_cma:0kB
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
lowmem_reserve[]:
 0 0
 3503 3503
Node 0 
Normal free:13896kB min:37352kB low:46688kB high:56024kB active_anon:187980kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:6048kB pagetables:2316kB bounce:0kB free_pcp:1064kB local_pcp:356kB 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: 3*4kB 
(M) 
1*8kB 
(U) 3*16kB 
(UM) 
4*32kB 
(UM) 
 __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) 
2*128kB (M) 
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
4*256kB 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M) 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
4*512kB 
(UM) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*1024kB (UM) 
3*2048kB (M) 
3*4096kB (M) 
= 25156kB
Node 0 
Normal: 
702*4kB 
 alloc_skb include/linux/skbuff.h:997 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
(ME) 
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
652*8kB 
(ME) 
221*16kB 
(UME) 
66*32kB 
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
(UM) 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
1*64kB 
(U) 
0*128kB 1*256kB 
(U) 
0*512kB 
0*1024kB 
0*2048kB 
0*4096kB 
= 13992kB
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
148 total pagecache pages
0 pages in swap cache
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342292 pages reserved
0 pages cma reserved
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor2 cpuset=
syz2
 mems_allowed=0
 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:console_unlock+0xffa/0x1160 kernel/printk/printk.c:2409
Code: 30 f6 31 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d d6 76 cc 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d
RSP: 0000:ffff8801d9a4d408 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d9a40040 RBX: 0000000000000200 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: ffffffff81657f61 RDI: 0000000000000293
RBP: ffff8801d9a4d578 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000
R13: ffffffff848cce30 R14: dffffc0000000000 R15: ffffffff89944cb0
 vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
 vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
 printk+0xa7/0xcf kernel/printk/printk.c:1996
 show_swap_cache_info+0x112/0x1a0 mm/swap_state.c:104
 show_free_areas.cold.118+0x10e3/0x215d mm/page_alloc.c:5040
 show_mem+0x34/0x17b lib/show_mem.c:18
 dump_header+0x2f1/0xf72 mm/oom_kill.c:445
 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
 out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
 __alloc_pages_slowpath+0x22d4/0x2d70 mm/page_alloc.c:4235
 __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:6291
 __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: 0033:0x7fe794de5dd3
Code: Bad RIP value.
RSP: 002b:00007ffe8c716678 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffe8c716820 RCX: 00007fe794de5dd3
RDX: 0000000000000000 RSI: 00007ffe8c7169d0 RDI: 000000000000000b
RBP: 00007ffe8c7169d0 R08: 00007ffe8c716a50 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffe8c716db0 R14: 0000000000000000 R15: 0000000000000000
CPU: 1 PID: 12120 Comm: syz-executor2 Not tainted 4.19.0+ #154
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_6591a95a765fb735+0xfac/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 1 Comm: init Not tainted 4.19.0+ #154
Mem-Info:
active_anon:46995 inactive_anon:112 isolated_anon:0
 active_file:16 inactive_file:13 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:10800 slab_unreclaimable:1464959
 mapped:40962 shmem:119 pagetables:579 bounce:0
 free:13740 free_pcp:384 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:187980kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 34816kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
 <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
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 2820
 6323 6323
Node 0 
DMA32 free:25156kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890764kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:472kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]:
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
 0
 0 3503
 3503
Node 0 
Normal free:13896kB min:37352kB low:46688kB high:56024kB active_anon:187980kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:6048kB pagetables:2316kB bounce:0kB free_pcp:1064kB local_pcp:356kB 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: 
3*4kB 
(M) 1*8kB 
(U) 3*16kB 
(UM) 
 __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*32kB 
(UM) 
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
2*64kB 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M) 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
2*128kB 
(M) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
4*256kB 
(M) 
4*512kB 
(UM) 
3*1024kB 
(UM) 
3*2048kB 
 alloc_skb include/linux/skbuff.h:997 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
(M) 
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
3*4096kB (M) 
= 25156kB
Node 0 
Normal: 
702*4kB 
(ME) 
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
652*8kB 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(ME) 
221*16kB 
(UME) 
66*32kB 
(UM) 
1*64kB (U) 
0*128kB 1*256kB 
(U) 
0*512kB 
0*1024kB 
0*2048kB 0*4096kB 
= 13992kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
148 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
342292 pages reserved
0 pages cma reserved
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor2 cpuset=
syz2
 mems_allowed=0
 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:console_unlock+0xffa/0x1160 kernel/printk/printk.c:2409
Code: 30 f6 31 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d d6 76 cc 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d
RSP: 0000:ffff8801d9a4d408 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d9a40040 RBX: 0000000000000200 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: ffffffff81657f61 RDI: 0000000000000293
RBP: ffff8801d9a4d578 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000
R13: ffffffff848cce30 R14: dffffc0000000000 R15: ffffffff89944cb0
 vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
 vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
 printk+0xa7/0xcf kernel/printk/printk.c:1996
 show_swap_cache_info+0x112/0x1a0 mm/swap_state.c:104
 show_free_areas.cold.118+0x10e3/0x215d mm/page_alloc.c:5040
 show_mem+0x34/0x17b lib/show_mem.c:18
 dump_header+0x2f1/0xf72 mm/oom_kill.c:445
 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
 out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
 __alloc_pages_slowpath+0x22d4/0x2d70 mm/page_alloc.c:4235