RDX: 0000000000000fff RSI: 00007f8e3082f5a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000001d31260 R09: 0000000000000000 R10: 6b205d3833303431 R11: 0000000000000293 R12: 000000000065e420 R13: 00007f8e2effb9c0 R14: 00007f8e320a0040 R15: 0000000000000003 CPU: 1 PID: 4737 Comm: syz-executor1 Not tainted 4.19.0+ #72 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=50a/1/0x4000000000000004 softirq=68276/68277 fqs=31 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 rcu: (t=10704 jiffies g=99521 q=639) rcu: rcu_preempt kthread starved for 221 jiffies! g99521 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_bebbfe2050753572+0x9e3/0x1000 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: 5374 Comm: rsyslogd Not tainted 4.19.0+ #72 active_anon:43044 inactive_anon:132 isolated_anon:0 active_file:13 inactive_file:10 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9305 slab_unreclaimable:1478187 mapped:40979 shmem:138 pagetables:586 bounce:0 free:13673 free_pcp:228 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:172176kB inactive_anon:528kB active_file:52kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: 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 __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 DMA32 free:24948kB 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:248kB local_pcp:0kB free_cma:0kB nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62 lowmem_reserve[]: arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 0 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 3503 3503 Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:172176kB inactive_anon:528kB active_file:52kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2344kB bounce:0kB free_pcp:664kB local_pcp:12kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 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 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: 5*4kB (UM) 0*8kB 2*16kB (M) 4*32kB (UM) 3*64kB (UM) 4*128kB (M) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB Node 0 Normal: update_process_times+0x2d/0x70 kernel/time/timer.c:1636 613*4kB tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164 (UMEH) tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274 387*8kB (UMEH) __run_hrtimer kernel/time/hrtimer.c:1398 [inline] __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460 191*16kB (MEH) 84*32kB (UMEH) 29*64kB (UMH) 0*128kB 1*256kB (U) 1*512kB (U) 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 161 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 342867 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: 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 RSP: 0000:ffff8801dae073d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100377e592b RDX: 0000000000000000 RSI: ffff8801bbf2c960 RDI: 0000000000000286 RBP: ffff8801dae07448 R08: ffff8801bbf2c958 R09: 0000000000000002 R10: 0000000000000000 R11: ffff8801bbf2c040 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 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:dump_stack+0x20e/0x39d lib/dump_stack.c:108 Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 d7 c2 00 fa 48 83 3d df ba 91 01 00 74 ad e8 38 e8 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 25 e8 bd f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 RSP: 0000:ffff8801c0596220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801bbf2c040 RBX: ffffffff8951f470 RCX: 1ffff100377e5926 RDX: 0000000000000000 RSI: ffffffff87c03998 RDI: 0000000000000293 RBP: ffff8801c05962c8 R08: ffff8801bbf2c930 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801bbf2c040 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000200 R15: 0000000000000000 dump_header+0x27b/0xf72 mm/oom_kill.c:441 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: 0033:0x7f8e31a5b1fd Code: Bad RIP value. RSP: 002b:00007f8e2effae30 EFLAGS: 00010293 RAX: 0000000000000fdc RBX: 0000000001d46670 RCX: 00007f8e31a5b1fd RDX: 0000000000000fff RSI: 00007f8e3082f5a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000001d31260 R09: 0000000000000000 R10: 6b205d3833303431 R11: 0000000000000293 R12: 000000000065e420 R13: 00007f8e2effb9c0 R14: 00007f8e320a0040 R15: 0000000000000003 aoe: skb alloc failure rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) rsyslogd cpuset=/ mems_allowed=0 CPU: 0 PID: 5374 Comm: rsyslogd Not tainted 4.19.0+ #72 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Call Trace: syz-executor1 cpuset= syz1 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] 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 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:dump_stack+0x20e/0x39d lib/dump_stack.c:108 Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 d7 c2 00 fa 48 83 3d df ba 91 01 00 74 ad e8 38 e8 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 25 e8 bd f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 RSP: 0000:ffff8801c0596220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801bbf2c040 RBX: ffffffff8951f470 RCX: 1ffff100377e5926 RDX: 0000000000000000 RSI: ffffffff87c03998 RDI: 0000000000000293 RBP: ffff8801c05962c8 R08: ffff8801bbf2c930 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801bbf2c040 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000200 R15: 0000000000000000 dump_header+0x27b/0xf72 mm/oom_kill.c:441 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: 0033:0x7f8e31a5b1fd Code: Bad RIP value. RSP: 002b:00007f8e2effae30 EFLAGS: 00010293 RAX: 0000000000000fdc RBX: 0000000001d46670 RCX: 00007f8e31a5b1fd RDX: 0000000000000fff RSI: 00007f8e3082f5a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000001d31260 R09: 0000000000000000 R10: 6b205d3833303431 R11: 0000000000000293 R12: 000000000065e420 R13: 00007f8e2effb9c0 R14: 00007f8e320a0040 R15: 0000000000000003 Mem-Info: CPU: 1 PID: 4737 Comm: syz-executor1 Not tainted 4.19.0+ #72 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 active_anon:43044 inactive_anon:132 isolated_anon:0 active_file:13 inactive_file:10 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9305 slab_unreclaimable:1478187 mapped:40979 shmem:138 pagetables:586 bounce:0 free:13673 free_pcp:228 free_cma:0 Call Trace: Node 0 active_anon:172176kB inactive_anon:528kB active_file:52kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB 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 Node 0 DMA32 free:24948kB 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:248kB 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:13836kB min:37364kB low:46704kB high:56044kB active_anon:172176kB inactive_anon:528kB active_file:52kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2344kB bounce:0kB free_pcp:664kB local_pcp:652kB 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 (M) = 15908kB Node 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 DMA32: 5*4kB fallback_alloc+0x204/0x2e0 mm/slab.c:3219 (UM) ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 0*8kB __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552 2*16kB skb_clone+0x1bb/0x500 net/core/skbuff.c:1280 (M) 4*32kB (UM) 3*64kB (UM) 4*128kB (M) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) ____bpf_clone_redirect net/core/filter.c:2080 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067 = 24948kB Node 0 Normal: 613*4kB bpf_prog_bebbfe2050753572+0x9e3/0x1000 (UMEH) 387*8kB (UMEH) 191*16kB (MEH) 84*32kB (UMEH) 29*64kB (UMH) 0*128kB 1*256kB (U) 1*512kB (U) 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 161 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 rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) rsyslogd cpuset= / mems_allowed=0 CPU: 0 PID: 5374 Comm: rsyslogd Not tainted 4.19.0+ #72 Mem-Info: active_anon:43044 inactive_anon:132 isolated_anon:0 active_file:13 inactive_file:10 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9305 slab_unreclaimable:1478187 mapped:40979 shmem:138 pagetables:586 bounce:0 free:13673 free_pcp:228 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:172176kB inactive_anon:528kB active_file:52kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: 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 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 lowmem_reserve[]: 0 2818 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 6321 6321 Node 0 DMA32 free:24948kB 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:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 0 0 3503 3503 Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:172176kB inactive_anon:528kB active_file:52kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2344kB bounce:0kB free_pcp:664kB local_pcp:12kB 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 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 (M) = 15908kB Node 0 DMA32: 5*4kB (UM) 0*8kB 2*16kB (M) 4*32kB __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 (UM) 3*64kB fallback_alloc+0x204/0x2e0 mm/slab.c:3219 (UM) ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 4*128kB (M) slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 4*256kB (UM) __alloc_skb+0x119/0x770 net/core/skbuff.c:193 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) alloc_skb include/linux/skbuff.h:997 [inline] new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67 3*4096kB aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381 (M) = 24948kB Node 0 Normal: 613*4kB (UMEH) 387*8kB discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24 (UMEH) call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 191*16kB (MEH) 84*32kB (UMEH) 29*64kB (UMH) 0*128kB 1*256kB (U) 1*512kB (U) 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 161 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 342867 pages reserved 0 pages cma reserved syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor1 cpuset=syz1 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 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:dump_stack+0x20e/0x39d lib/dump_stack.c:108 Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 d7 c2 00 fa 48 83 3d df ba 91 01 00 74 ad e8 38 e8 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 25 e8 bd f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 RSP: 0000:ffff8801c0596220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801bbf2c040 RBX: ffffffff8951f470 RCX: 1ffff100377e5926 RDX: 0000000000000000 RSI: ffffffff87c03998 RDI: 0000000000000293 RBP: ffff8801c05962c8 R08: ffff8801bbf2c930 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801bbf2c040 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000200 R15: 0000000000000000 dump_header+0x27b/0xf72 mm/oom_kill.c:441 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: 0033:0x7f8e31a5b1fd Code: Bad RIP value. RSP: 002b:00007f8e2effae30 EFLAGS: 00010293 RAX: 0000000000000fdc RBX: 0000000001d46670 RCX: 00007f8e31a5b1fd RDX: 0000000000000fff RSI: 00007f8e3082f5a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000001d31260 R09: 0000000000000000 R10: 6b205d3833303431 R11: 0000000000000293 R12: 000000000065e420 R13: 00007f8e2effb9c0 R14: 00007f8e320a0040 R15: 0000000000000003 CPU: 1 PID: 4737 Comm: syz-executor1 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 rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) rsyslogd 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+0x9e3/0x1000 warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 5374 Comm: rsyslogd Not tainted 4.19.0+ #72 Mem-Info: active_anon:43044 inactive_anon:132 isolated_anon:0 active_file:13 inactive_file:10 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9305 slab_unreclaimable:1478187 mapped:40979 shmem:138 pagetables:586 bounce:0 free:13673 free_pcp:228 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:172176kB inactive_anon:528kB active_file:52kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: 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 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 lowmem_reserve[]: 0 2818 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 6321 6321 Node 0 DMA32 free:24948kB 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:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 0 0 3503 3503 Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:172176kB inactive_anon:528kB active_file:52kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2344kB bounce:0kB free_pcp:664kB local_pcp:12kB 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 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 Node 0 DMA32: 5*4kB (UM) 0*8kB 2*16kB (M) 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 3*64kB (UM) fallback_alloc+0x204/0x2e0 mm/slab.c:3219 4*128kB (M) ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 4*256kB slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 (UM) 3*512kB (M) __alloc_skb+0x119/0x770 net/core/skbuff.c:193 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB Node 0 Normal: alloc_skb include/linux/skbuff.h:997 [inline] new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67 613*4kB aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381 (UMEH) 387*8kB (UMEH) 191*16kB (MEH) 84*32kB (UMEH) discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24 29*64kB call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 (UMH) 0*128kB 1*256kB (U) 1*512kB (U) 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 161 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 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 0 pages HighMem/MovableOnly 342867 pages reserved 0 pages cma reserved syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor1 cpuset=syz1 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 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:dump_stack+0x20e/0x39d lib/dump_stack.c:108 Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 d7 c2 00 fa 48 83 3d df ba 91 01 00 74 ad e8 38 e8 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 25 e8 bd f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 RSP: 0000:ffff8801c0596220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801bbf2c040 RBX: ffffffff8951f470 RCX: 1ffff100377e5926 RDX: 0000000000000000 RSI: ffffffff87c03998 RDI: 0000000000000293 RBP: ffff8801c05962c8 R08: ffff8801bbf2c930 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801bbf2c040 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000200 R15: 0000000000000000 dump_header+0x27b/0xf72 mm/oom_kill.c:441 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: 0033:0x7f8e31a5b1fd Code: Bad RIP value. RSP: 002b:00007f8e2effae30 EFLAGS: 00010293 RAX: 0000000000000fdc RBX: 0000000001d46670 RCX: 00007f8e31a5b1fd RDX: 0000000000000fff RSI: 00007f8e3082f5a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000001d31260 R09: 0000000000000000 R10: 6b205d3833303431 R11: 0000000000000293 R12: 000000000065e420 R13: 00007f8e2effb9c0 R14: 00007f8e320a0040 R15: 0000000000000003 CPU: 1 PID: 4737 Comm: syz-executor1 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 rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 rsyslogd 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+0x9e3/0x1000 warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 5374 Comm: rsyslogd Not tainted 4.19.0+ #72 Mem-Info: active_anon:43044 inactive_anon:132 isolated_anon:0 active_file:13 inactive_file:10 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9305 slab_unreclaimable:1478187 mapped:40979 shmem:138 pagetables:586 bounce:0 free:13673 free_pcp:228 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:172176kB inactive_anon:528kB active_file:52kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: 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 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 lowmem_reserve[]: 0 2818 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 6321 6321 Node 0 DMA32 free:24948kB 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:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 3503 3503 Node 0 Normal free:13836kB min:37364kB low:46704kB high:56044kB active_anon:172176kB inactive_anon:528kB active_file:52kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2344kB bounce:0kB free_pcp:664kB local_pcp:12kB 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 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 (M) = 15908kB Node 0 DMA32: 5*4kB (UM) 0*8kB __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*16kB fallback_alloc+0x204/0x2e0 mm/slab.c:3219 (M) ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 4*32kB slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 (UM) 3*64kB __alloc_skb+0x119/0x770 net/core/skbuff.c:193 (UM) 4*128kB (M) 4*256kB (UM) 3*512kB (M) alloc_skb include/linux/skbuff.h:997 [inline] new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67 3*1024kB aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381 (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24 Node 0 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 Normal: 613*4kB (UMEH) 387*8kB (UMEH)