RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001 R13: 000000c4288098c0 R14: 0000000000000001 R15: 0000000000000000 CPU: 1 PID: 1504 Comm: syz-executor2 Not tainted 4.19.0-rc8+ #133 rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: rcu: (detected by 0, t=10513 jiffies, g=101245, q=5) __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b6 lib/dump_stack.c:113 rcu: All QSes seen, last rcu_preempt kthread activity 10513 (4295007465-4294996952), jiffies_till_next_fqs=1, root ->qsmask 0x0 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 syz-fuzzer R running task 12072 5354 5348 0x80000008 Call Trace: __alloc_pages_slowpath+0x265e/0x2d70 mm/page_alloc.c:4297 sched_show_task.cold.83+0x2b6/0x30a kernel/sched/core.c:5296 print_other_cpu_stall.cold.79+0xa83/0xba5 kernel/rcu/tree.c:1430 check_cpu_stall kernel/rcu/tree.c:1557 [inline] __rcu_pending kernel/rcu/tree.c:3276 [inline] rcu_pending kernel/rcu/tree.c:3319 [inline] rcu_check_callbacks+0xafc/0x1990 kernel/rcu/tree.c:2665 __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+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 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 update_process_times+0x2d/0x70 kernel/time/timer.c:1636 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274 __run_hrtimer kernel/time/hrtimer.c:1398 [inline] __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1029 [inline] smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1054 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [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 04 40 ff e9 28 ff ff ff e8 5c 3f c4 ff 48 83 3d cc 78 71 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 92 45 RSP: 0000:ffff8801dae073d0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b16c1f8 RDX: 0000000000000000 RSI: ffff8801d8b60fc8 RDI: 0000000000000286 RBP: ffff8801dae07440 R08: ffff8801d8b60fc0 R09: 0000000000000002 R10: 0000000000000000 R11: ffff8801d8b60680 R12: ffff8801d9a04040 R13: ffff8801d9a04040 R14: 0000000000000000 R15: 0000000000000286 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30c/0xb03 kernel/softirq.c:292 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:1374 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [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 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 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 92 45 RSP: 0000:ffff88019d99f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801bacc8880 RDI: 0000000000000286 RBP: ffff88019d99f7a8 R08: ffff8801bacc8000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 skb_clone+0x1bb/0x500 net/core/skbuff.c:1280 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30c/0xb03 kernel/softirq.c:292 ____bpf_clone_redirect net/core/filter.c:2080 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067 bpf_prog_bebbfe2050753572+0x429/0x1000 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:console_unlock+0xfdf/0x1160 kernel/printk/printk.c:2409 Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d ed 80 cd 07 00 0f 84 bc 00 00 00 e8 6a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 eb 7f 5c 00 RSP: 0000:ffff8801bb3f5ea8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801d8b60680 RBX: 0000000000000200 RCX: 1ffff1003b16c1f3 RDX: 0000000000000000 RSI: ffffffff81647126 RDI: 0000000000000293 RBP: ffff8801bb3f6010 R08: ffff8801d8b60f98 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801d8b60680 R12: dffffc0000000000 R13: ffffffff8486e0e0 R14: dffffc0000000000 R15: ffffffff89942070 vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922 warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: active_anon:45588 inactive_anon:352 isolated_anon:0 active_file:14 inactive_file:17 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9645 slab_unreclaimable:1477432 mapped:40979 shmem:4454 pagetables:571 bounce:0 free:13719 free_pcp:140 free_cma:0 Node 0 active_anon:182352kB inactive_anon:1408kB active_file:56kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:17816kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963 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 vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398 lowmem_reserve[]: 0 printk+0xa7/0xcf kernel/printk/printk.c:1996 2819 6323 dump_unreclaimable_slab.cold.22+0xc/0xe5 mm/slab_common.c:1361 6323 dump_header+0x7cc/0xf72 mm/oom_kill.c:447 Node 0 DMA32 free:25188kB 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:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13780kB min:37352kB low:46688kB high:56024kB active_anon:182352kB inactive_anon:1408kB active_file:56kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:2284kB bounce:0kB free_pcp:560kB local_pcp:0kB 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 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953 (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 3*4kB (M) 1*8kB (M) 3*16kB (MH) 3*32kB (UM) 5*64kB (UM) 5*128kB (UMH) 4*256kB (UM) 5*512kB out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120 (UMH) 4*1024kB (UMH) 4*2048kB (UM) __alloc_pages_may_oom mm/page_alloc.c:3522 [inline] __alloc_pages_slowpath+0x230f/0x2d70 mm/page_alloc.c:4235 2*4096kB (M) = 25188kB Node 0 Normal: 1325*4kB (UMEH) 520*8kB (UMEH) 162*16kB (UMEH) 51*32kB (UMH) 0*64kB 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 0*4096kB = 13812kB 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 4485 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 342306 pages reserved 0 pages cma reserved ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093 syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor2 cpuset= alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946 syz2 mems_allowed=0 CPU: 1 PID: 1504 Comm: syz-executor2 Not tainted 4.19.0-rc8+ #133 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+0x1c4/0x2b6 lib/dump_stack.c:113 page_cache_read mm/filemap.c:2385 [inline] filemap_fault+0x1594/0x25f0 mm/filemap.c:2569 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 __alloc_pages_slowpath+0x265e/0x2d70 mm/page_alloc.c:4297 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259 __do_fault+0x100/0x6b0 mm/memory.c:3240 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 do_read_fault mm/memory.c:3652 [inline] do_fault mm/memory.c:3752 [inline] handle_pte_fault mm/memory.c:3983 [inline] __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107 __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+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 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 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395 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 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0033:0x45ddf3 Code: Bad RIP value. RSP: 002b:000000c42001fea0 EFLAGS: 00010206 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 RAX: ffffffffffffff92 RBX: 000000003b97d7c0 RCX: 000000000045ddf3 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001 R13: 000000c4288098c0 R14: 0000000000000001 R15: 0000000000000000 rcu: rcu_preempt kthread starved for 10513 jiffies! g101245 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: RCU grace-period kthread stack dump: rcu_preempt R running task 22784 10 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30c/0xb03 kernel/softirq.c:292 schedule+0xfe/0x460 kernel/sched/core.c:3517 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804 rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [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 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 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 92 45 RSP: 0000:ffff88019d99f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801bacc8880 RDI: 0000000000000286 RBP: ffff88019d99f7a8 R08: ffff8801bacc8000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9a04040 R14: ffff8801d9a04040 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_bebbfe2050753572+0x429/0x1000 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 aoe: skb alloc failure syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-fuzzer cpuset= / mems_allowed=0 Mem-Info: CPU: 0 PID: 5354 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 active_anon:45588 inactive_anon:352 isolated_anon:0 active_file:14 inactive_file:17 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9645 slab_unreclaimable:1477432 mapped:40979 shmem:4454 pagetables:571 bounce:0 free:13719 free_pcp:140 free_cma:0 Call Trace: Node 0 active_anon:182352kB inactive_anon:1408kB active_file:56kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:17816kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b6 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.119+0xb7/0x1bd mm/page_alloc.c:3426 0 2819 6323 6323 Node 0 DMA32 free:25188kB 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:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __alloc_pages_slowpath+0x265e/0x2d70 mm/page_alloc.c:4297 lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13780kB min:37352kB low:46688kB high:56024kB active_anon:182352kB inactive_anon:1408kB active_file:56kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:2284kB bounce:0kB free_pcp:560kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 3*4kB (M) 1*8kB (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+0x91/0x8c0 mm/slab.c:2677 3*16kB (MH) fallback_alloc+0x203/0x2e0 mm/slab.c:3219 3*32kB ____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 5*64kB (UM) 5*128kB (UMH) 4*256kB __alloc_skb+0x119/0x770 net/core/skbuff.c:193 (UM) 5*512kB (UMH) 4*1024kB (UMH) 4*2048kB (UM) 2*4096kB (M) = 25188kB Node 0 Normal: alloc_skb include/linux/skbuff.h:997 [inline] new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67 1325*4kB aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374 (UMEH) 520*8kB (UMEH) 162*16kB (UMEH) 51*32kB (UMH) 0*64kB 1*128kB discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24 (H) call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13812kB 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 4485 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 342306 pages reserved 0 pages cma reserved expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb 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+0x30c/0xb03 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:console_unlock+0xfdf/0x1160 kernel/printk/printk.c:2409 Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d ed 80 cd 07 00 0f 84 bc 00 00 00 e8 6a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 eb 7f 5c 00 RSP: 0000:ffff8801bb3f5ea8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801d8b60680 RBX: 0000000000000200 RCX: 1ffff1003b16c1f3 RDX: 0000000000000000 RSI: ffffffff81647126 RDI: 0000000000000293 RBP: ffff8801bb3f6010 R08: ffff8801d8b60f98 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801d8b60680 R12: dffffc0000000000 R13: ffffffff8486e0e0 R14: dffffc0000000000 R15: ffffffff89942070 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 dump_unreclaimable_slab.cold.22+0xc/0xe5 mm/slab_common.c:1361 dump_header+0x7cc/0xf72 mm/oom_kill.c:447 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+0x230f/0x2d70 mm/page_alloc.c:4235 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946 page_cache_read mm/filemap.c:2385 [inline] filemap_fault+0x1594/0x25f0 mm/filemap.c:2569 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259 __do_fault+0x100/0x6b0 mm/memory.c:3240 do_read_fault mm/memory.c:3652 [inline] do_fault mm/memory.c:3752 [inline] handle_pte_fault mm/memory.c:3983 [inline] __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0033:0x45ddf3 Code: Bad RIP value. RSP: 002b:000000c42001fea0 EFLAGS: 00010206 RAX: ffffffffffffff92 RBX: 000000003b97d7c0 RCX: 000000000045ddf3 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001 R13: 000000c4288098c0 R14: 0000000000000001 R15: 0000000000000000 CPU: 1 PID: 1504 Comm: syz-executor2 Not tainted 4.19.0-rc8+ #133 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+0x1c4/0x2b6 lib/dump_stack.c:113 syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 syz-fuzzer cpuset= / mems_allowed=0 __alloc_pages_slowpath+0x265e/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+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 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+0x30c/0xb03 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [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 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 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 92 45 RSP: 0000:ffff88019d99f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801bacc8880 RDI: 0000000000000286 RBP: ffff88019d99f7a8 R08: ffff8801bacc8000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9a04040 R14: ffff8801d9a04040 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_bebbfe2050753572+0x429/0x1000 warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 5354 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 Mem-Info: active_anon:45588 inactive_anon:352 isolated_anon:0 active_file:14 inactive_file:17 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9645 slab_unreclaimable:1477432 mapped:40979 shmem:4454 pagetables:571 bounce:0 free:13719 free_pcp:140 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:182352kB inactive_anon:1408kB active_file:56kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:17816kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB 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+0x1c4/0x2b6 lib/dump_stack.c:113 lowmem_reserve[]: 0 2819 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 6323 6323 Node 0 DMA32 free:25188kB 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:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 __alloc_pages_slowpath+0x265e/0x2d70 mm/page_alloc.c:4297 0 3503 3503 Node 0 Normal free:13780kB min:37352kB low:46688kB high:56024kB active_anon:182352kB inactive_anon:1408kB active_file:56kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:2284kB bounce:0kB free_pcp:560kB local_pcp:0kB 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 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 3*4kB (M) 1*8kB (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+0x91/0x8c0 mm/slab.c:2677 3*16kB (MH) 3*32kB fallback_alloc+0x203/0x2e0 mm/slab.c:3219 (UM) ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 5*64kB (UM) slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 5*128kB (UMH) 4*256kB (UM) __alloc_skb+0x119/0x770 net/core/skbuff.c:193 5*512kB (UMH) 4*1024kB (UMH) 4*2048kB (UM) 2*4096kB (M) = 25188kB 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:1374 1325*4kB (UMEH) 520*8kB (UMEH) 162*16kB (UMEH) 51*32kB discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24 (UMH) call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 0*64kB 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13812kB 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 4485 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 342306 pages reserved expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 0 pages cma reserved ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb 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+0x30c/0xb03 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:console_unlock+0xfdf/0x1160 kernel/printk/printk.c:2409 Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d ed 80 cd 07 00 0f 84 bc 00 00 00 e8 6a 3b 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 eb 7f 5c 00 RSP: 0000:ffff8801bb3f5ea8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801d8b60680 RBX: 0000000000000200 RCX: 1ffff1003b16c1f3 RDX: 0000000000000000 RSI: ffffffff81647126 RDI: 0000000000000293 RBP: ffff8801bb3f6010 R08: ffff8801d8b60f98 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801d8b60680 R12: dffffc0000000000 R13: ffffffff8486e0e0 R14: dffffc0000000000 R15: ffffffff89942070 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 dump_unreclaimable_slab.cold.22+0xc/0xe5 mm/slab_common.c:1361 dump_header+0x7cc/0xf72 mm/oom_kill.c:447 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+0x230f/0x2d70 mm/page_alloc.c:4235 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946 page_cache_read mm/filemap.c:2385 [inline] filemap_fault+0x1594/0x25f0 mm/filemap.c:2569 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259 __do_fault+0x100/0x6b0 mm/memory.c:3240 do_read_fault mm/memory.c:3652 [inline] do_fault mm/memory.c:3752 [inline] handle_pte_fault mm/memory.c:3983 [inline] __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0033:0x45ddf3 Code: Bad RIP value. RSP: 002b:000000c42001fea0 EFLAGS: 00010206 RAX: ffffffffffffff92 RBX: 000000003b97d7c0 RCX: 000000000045ddf3 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001 R13: 000000c4288098c0 R14: 0000000000000001 R15: 0000000000000000 CPU: 1 PID: 1504 Comm: syz-executor2 Not tainted 4.19.0-rc8+ #133 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+0x1c4/0x2b6 lib/dump_stack.c:113 syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 syz-fuzzer cpuset= / mems_allowed=0 __alloc_pages_slowpath+0x265e/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+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 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+0x30c/0xb03 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [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 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 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 92 45 RSP: 0000:ffff88019d99f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801bacc8880 RDI: 0000000000000286 RBP: ffff88019d99f7a8 R08: ffff8801bacc8000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9a04040 R14: ffff8801d9a04040 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_bebbfe2050753572+0x429/0x1000 warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 5354 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 Mem-Info: active_anon:45588 inactive_anon:352 isolated_anon:0 active_file:14 inactive_file:17 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9645 slab_unreclaimable:1477432 mapped:40979 shmem:4454 pagetables:571 bounce:0 free:13719 free_pcp:140 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:182352kB inactive_anon:1408kB active_file:56kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:17816kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB 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+0x1c4/0x2b6 lib/dump_stack.c:113 lowmem_reserve[]: 0 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 2819 6323 6323 Node 0 __alloc_pages_slowpath+0x265e/0x2d70 mm/page_alloc.c:4297 DMA32 free:25188kB 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:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13780kB min:37352kB low:46688kB high:56024kB active_anon:182352kB inactive_anon:1408kB active_file:56kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:2284kB bounce:0kB free_pcp:560kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0