CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #152 rcu: INFO: rcu_preempt self-detected stall on CPU Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 rcu: 0-....: (1 GPs behind) idle=4ba/1/0x4000000000000004 softirq=83024/83025 fqs=6 Workqueue: events_power_efficient neigh_periodic_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423 __alloc_pages_slowpath+0x26e8/0x2e10 mm/page_alloc.c:4302 rcu: (t=10637 jiffies g=121169 q=28) rcu: rcu_preempt kthread starved for 3944 jiffies! g121169 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: RCU grace-period kthread stack dump: rcu_preempt R running task 22568 10 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2831 [inline] __schedule+0x8cf/0x21d0 kernel/sched/core.c:3472 schedule+0xfe/0x460 kernel/sched/core.c:3516 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804 rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395 __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 rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090 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 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 NMI backtrace for cpu 0 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x308/0xb7e kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1023 do_softirq.part.14+0x126/0x160 kernel/softirq.c:337 do_softirq kernel/softirq.c:329 [inline] __local_bh_enable_ip+0x21d/0x260 kernel/softirq.c:189 __raw_write_unlock_bh include/linux/rwlock_api_smp.h:275 [inline] _raw_write_unlock_bh+0x30/0x40 kernel/locking/spinlock.c:344 neigh_periodic_work+0x6bd/0xc60 net/core/neighbour.c:871 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 12320 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #152 Mem-Info: active_anon:52314 inactive_anon:2925 isolated_anon:0 active_file:8 inactive_file:18 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9209 slab_unreclaimable:1450438 mapped:49154 shmem:3962 pagetables:640 bounce:0 free:13785 free_pcp:451 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:209256kB inactive_anon:11700kB active_file:32kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:15848kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB 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 lowmem_reserve[]: 0 2818 6321 6321 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 Node 0 DMA32 free:25248kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:209256kB inactive_anon:11700kB active_file:32kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2560kB bounce:0kB free_pcp:1556kB local_pcp:1304kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 nmi_cpu_backtrace.cold.2+0x5c/0xa1 lib/nmi_backtrace.c:101 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: 2*4kB (M) 1*8kB (U) 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB nmi_trigger_cpumask_backtrace+0x1e8/0x22a lib/nmi_backtrace.c:62 Node 0 Normal: 1268*4kB (UMEH) 570*8kB (UMEH) 190*16kB (MH) 37*32kB (UMH) 1*64kB (H) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline] rcu_dump_cpu_stacks+0x16f/0x1bc kernel/rcu/tree.c:1195 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB print_cpu_stall.cold.67+0x1f3/0x3c7 kernel/rcu/tree.c:1334 3988 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 342853 pages reserved 0 pages cma reserved aoe: skb alloc failure kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) kworker/1:0 cpuset=/ mems_allowed=0 check_cpu_stall kernel/rcu/tree.c:1408 [inline] rcu_pending kernel/rcu/tree.c:2961 [inline] rcu_check_callbacks+0xf3b/0x13f0 kernel/rcu/tree.c:2506 update_process_times+0x2d/0x70 kernel/time/timer.c:1636 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164 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 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518 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 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804 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: 3f 7e 0f 85 32 ff ff ff e8 85 ec 3d ff e9 28 ff ff ff e8 ec 21 c3 ff 48 83 3d 04 6b 8f 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 22 c0 RSP: 0000:ffff8801dae069e8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003215dda6 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 RBP: ffff8801dae06a58 R08: ffff880190aeed30 R09: 0000000000000002 R10: 0000000000000000 R11: ffff880190aee440 R12: ffff8801d9a1c0c0 R13: ffff8801d9a1c0c0 R14: 0000000000000000 R15: 0000000000000286 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] alloc_skb_with_frags+0x133/0x7d0 net/core/skbuff.c:5215 sock_alloc_send_pskb+0x87a/0xaf0 net/core/sock.c:2083 sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2100 __ip_append_data.isra.48+0x15b8/0x29b0 net/ipv4/ip_output.c:981 ip_append_data.part.49+0xef/0x170 net/ipv4/ip_output.c:1196 ip_append_data+0x6d/0x90 net/ipv4/ip_output.c:1185 icmp_push_reply+0x18e/0x540 net/ipv4/icmp.c:375 icmp_send+0x1544/0x1bd0 net/ipv4/icmp.c:736 ipv4_link_failure+0x2c/0x220 net/ipv4/route.c:1187 dst_link_failure include/net/dst.h:427 [inline] arp_error_report+0xd1/0x1c0 net/ipv4/arp.c:297 neigh_invalidate+0x246/0x550 net/core/neighbour.c:913 neigh_timer_handler+0xb07/0xdf0 net/core/neighbour.c:999 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:804 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:slab_alloc mm/slab.c:3385 [inline] RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552 Code: 7e 0f 85 cf fe ff ff e8 d6 cc 3d ff e9 c5 fe ff ff e8 3d 02 c3 ff 48 83 3d 55 4b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 22 c0 RSP: 0000:ffff88019bdb7718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff880190aeecc0 RDI: 0000000000000286 RBP: ffff88019bdb7780 R08: ffff880190aee440 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 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+0x8ce/0x1000 CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #152 syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 syz-executor5 cpuset=syz5 mems_allowed=0 Workqueue: events_power_efficient neigh_periodic_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423 __alloc_pages_slowpath+0x26e8/0x2e10 mm/page_alloc.c:4302 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395 __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 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1023 do_softirq.part.14+0x126/0x160 kernel/softirq.c:337 do_softirq kernel/softirq.c:329 [inline] __local_bh_enable_ip+0x21d/0x260 kernel/softirq.c:189 __raw_write_unlock_bh include/linux/rwlock_api_smp.h:275 [inline] _raw_write_unlock_bh+0x30/0x40 kernel/locking/spinlock.c:344 neigh_periodic_work+0x6bd/0xc60 net/core/neighbour.c:871 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 CPU: 0 PID: 12320 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #152 Mem-Info: active_anon:52314 inactive_anon:2925 isolated_anon:0 active_file:8 inactive_file:18 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9209 slab_unreclaimable:1450438 mapped:49154 shmem:3962 pagetables:640 bounce:0 free:13785 free_pcp:451 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:209256kB inactive_anon:11700kB active_file:32kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:15848kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB 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 lowmem_reserve[]: 0 2818 6321 6321 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 Node 0 DMA32 free:25248kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423 Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:209256kB inactive_anon:11700kB active_file:32kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2560kB bounce:0kB free_pcp:1556kB local_pcp:1304kB 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: 2*4kB (M) 1*8kB (U) 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB Node 0 Normal: 1268*4kB (UMEH) 570*8kB (UMEH) 190*16kB (MH) 37*32kB (UMH) 1*64kB (H) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB __alloc_pages_slowpath+0x26e8/0x2e10 mm/page_alloc.c:4302 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 3988 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 342853 pages reserved 0 pages cma reserved aoe: skb alloc failure kworker/1:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) kworker/1:0 cpuset=/ mems_allowed=0 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395 __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 dst_alloc+0xbb/0x1d0 net/core/dst.c:105 rt_dst_alloc+0x105/0x540 net/ipv4/route.c:1566 ip_route_input_slow+0x1d14/0x3ea0 net/ipv4/route.c:2042 ip_route_input_rcu+0x10a/0xd80 net/ipv4/route.c:2171 ip_route_input_noref+0x11d/0x260 net/ipv4/route.c:2117 ip_route_input include/net/route.h:192 [inline] icmp_route_lookup.constprop.23+0xb67/0x1900 net/ipv4/icmp.c:528 icmp_send+0x12ec/0x1bd0 net/ipv4/icmp.c:714 ipv4_link_failure+0x2c/0x220 net/ipv4/route.c:1187 dst_link_failure include/net/dst.h:427 [inline] arp_error_report+0xd1/0x1c0 net/ipv4/arp.c:297 neigh_invalidate+0x246/0x550 net/core/neighbour.c:913 neigh_timer_handler+0xb07/0xdf0 net/core/neighbour.c:999 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:804 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:slab_alloc mm/slab.c:3385 [inline] RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552 Code: 7e 0f 85 cf fe ff ff e8 d6 cc 3d ff e9 c5 fe ff ff e8 3d 02 c3 ff 48 83 3d 55 4b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 22 c0 RSP: 0000:ffff88019bdb7718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff880190aeecc0 RDI: 0000000000000286 RBP: ffff88019bdb7780 R08: ffff880190aee440 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 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+0x8ce/0x1000 CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #152 syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 syz-executor5 cpuset=syz5 mems_allowed=0 Workqueue: events_power_efficient neigh_periodic_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423 __alloc_pages_slowpath+0x26e8/0x2e10 mm/page_alloc.c:4302 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395 __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 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1023 do_softirq.part.14+0x126/0x160 kernel/softirq.c:337 do_softirq kernel/softirq.c:329 [inline] __local_bh_enable_ip+0x21d/0x260 kernel/softirq.c:189 __raw_write_unlock_bh include/linux/rwlock_api_smp.h:275 [inline] _raw_write_unlock_bh+0x30/0x40 kernel/locking/spinlock.c:344 neigh_periodic_work+0x6bd/0xc60 net/core/neighbour.c:871 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 12320 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #152 Mem-Info: active_anon:52314 inactive_anon:2925 isolated_anon:0 active_file:8 inactive_file:18 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9209 slab_unreclaimable:1450438 mapped:49154 shmem:3962 pagetables:640 bounce:0 free:13785 free_pcp:451 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:209256kB inactive_anon:11700kB active_file:32kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:15848kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB 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 lowmem_reserve[]: 0 2818 6321 6321 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 Node 0 DMA32 free:25248kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423 Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:209256kB inactive_anon:11700kB active_file:32kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2560kB bounce:0kB free_pcp:1556kB local_pcp:1304kB 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: 2*4kB (M) 1*8kB (U) 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB Node 0 Normal: 1268*4kB (UMEH) 570*8kB (UMEH) 190*16kB (MH) 37*32kB (UMH) 1*64kB (H) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB __alloc_pages_slowpath+0x26e8/0x2e10 mm/page_alloc.c:4302 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 3988 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 342853 pages reserved 0 pages cma reserved aoe: skb alloc failure __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395 __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] alloc_skb_with_frags+0x133/0x7d0 net/core/skbuff.c:5215 sock_alloc_send_pskb+0x87a/0xaf0 net/core/sock.c:2083 sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2100 __ip_append_data.isra.48+0x15b8/0x29b0 net/ipv4/ip_output.c:981 ip_append_data.part.49+0xef/0x170 net/ipv4/ip_output.c:1196 ip_append_data+0x6d/0x90 net/ipv4/ip_output.c:1185 icmp_push_reply+0x18e/0x540 net/ipv4/icmp.c:375 icmp_send+0x1544/0x1bd0 net/ipv4/icmp.c:736 ipv4_link_failure+0x2c/0x220 net/ipv4/route.c:1187 dst_link_failure include/net/dst.h:427 [inline] arp_error_report+0xd1/0x1c0 net/ipv4/arp.c:297 neigh_invalidate+0x246/0x550 net/core/neighbour.c:913 neigh_timer_handler+0xb07/0xdf0 net/core/neighbour.c:999 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:804 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:slab_alloc mm/slab.c:3385 [inline] RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552 Code: 7e 0f 85 cf fe ff ff e8 d6 cc 3d ff e9 c5 fe ff ff e8 3d 02 c3 ff 48 83 3d 55 4b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 22 c0 RSP: 0000:ffff88019bdb7718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff880190aeecc0 RDI: 0000000000000286 RBP: ffff88019bdb7780 R08: ffff880190aee440 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 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+0x8ce/0x1000 syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor5 cpuset=syz5 mems_allowed=0 CPU: 0 PID: 12320 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #152 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 oom_reaper: reaped process 6065 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB rsyslogd invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423 __alloc_pages_slowpath+0x26e8/0x2e10 mm/page_alloc.c:4302 rsyslogd cpuset=/ mems_allowed=0 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395 __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] nlmsg_new include/net/netlink.h:654 [inline] __neigh_notify+0x8c/0x160 net/core/neighbour.c:3011 neigh_update_notify net/core/neighbour.c:2357 [inline] neigh_timer_handler+0x6cb/0xdf0 net/core/neighbour.c:1017 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:804 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:slab_alloc mm/slab.c:3385 [inline] RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552 Code: 7e 0f 85 cf fe ff ff e8 d6 cc 3d ff e9 c5 fe ff ff e8 3d 02 c3 ff 48 83 3d 55 4b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 22 c0 RSP: 0000:ffff88019bdb7718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff880190aeecc0 RDI: 0000000000000286 RBP: ffff88019bdb7780 R08: ffff880190aee440 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 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+0x8ce/0x1000 CPU: 1 PID: 5911 Comm: rsyslogd Not tainted 4.20.0-rc1+ #152 warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 active_anon:52257 inactive_anon:2925 isolated_anon:0 active_file:15 inactive_file:11 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9209 slab_unreclaimable:1450453 mapped:40962 shmem:3962 pagetables:596 bounce:0 free:13880 free_pcp:480 free_cma:0 Call Trace: Node 0 active_anon:209028kB inactive_anon:11700kB active_file:60kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:15848kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB 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 lowmem_reserve[]: 0 2818 6321 6321 Node 0 DMA32 free:25248kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 dump_header+0x27b/0xf72 mm/oom_kill.c:441 Node 0 Normal free:14364kB min:37364kB low:46704kB high:56044kB active_anon:209028kB inactive_anon:11700kB active_file:60kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2384kB bounce:0kB free_pcp:1672kB local_pcp:252kB 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: 2*4kB (M) 1*8kB (U) 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB Node 0 Normal: 1311*4kB (UMEH) 577*8kB (UMEH) 192*16kB (UMH) 39*32kB (UMH) 1*64kB (H) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14372kB 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 3988 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 342853 pages reserved 0 pages cma reserved net_ratelimit: 144 callbacks suppressed ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor5 cpuset=syz5 mems_allowed=0 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:3519 [inline] __alloc_pages_slowpath+0x2354/0x2e10 mm/page_alloc.c:4240 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395 alloc_pages_current+0x173/0x350 mm/mempolicy.c:2080 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38c/0x5c0 mm/filemap.c:924 page_cache_read mm/filemap.c:2312 [inline] filemap_fault+0x1595/0x25f0 mm/filemap.c:2496 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6291 __do_fault+0x100/0x6b0 mm/memory.c:2996 do_read_fault mm/memory.c:3408 [inline] do_fault mm/memory.c:3534 [inline] handle_pte_fault mm/memory.c:3765 [inline] __handle_mm_fault+0x3ea0/0x5be0 mm/memory.c:3889 handle_mm_fault+0x54f/0xc70 mm/memory.c:3926 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:1139 RIP: 0033:0x7f0a530301fd Code: Bad RIP value. RSP: 002b:00007f0a505cfe30 EFLAGS: 00010293 RAX: 00000000000000b9 RBX: 0000000002436650 RCX: 00007f0a530301fd RDX: 0000000000000fff RSI: 00007f0a51e045a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000002421260 R09: 0000000000000000 R10: 6b205d3334343032 R11: 0000000000000293 R12: 000000000065e420 R13: 00007f0a505d09c0 R14: 00007f0a53675040 R15: 0000000000000003 CPU: 0 PID: 12320 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #152 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.116+0xb7/0x1bd mm/page_alloc.c:3423 Mem-Info: active_anon:52257 inactive_anon:2925 isolated_anon:0 active_file:14 inactive_file:12 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9196 slab_unreclaimable:1450559 mapped:40962 shmem:3962 pagetables:596 bounce:0 free:13764 free_pcp:480 free_cma:0 Node 0 active_anon:209028kB inactive_anon:11700kB active_file:56kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:15848kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __alloc_pages_slowpath+0x26e8/0x2e10 mm/page_alloc.c:4302 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 lowmem_reserve[]: 0 2818 6321 6321 Node 0 DMA32 free:25248kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:209028kB inactive_anon:11700kB active_file:56kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2384kB bounce:0kB free_pcp:1672kB local_pcp:1420kB 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: 2*4kB (M) 1*8kB (U) 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB Node 0 Normal: 1289*4kB (UMEH) 570*8kB (UMEH) 190*16kB (MH) 34*32kB (UMH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13908kB 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 3988 total pagecache pages 0 pages in swap cache __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395 Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly __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 342853 pages reserved 0 pages cma reserved fallback_alloc+0x204/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 Unreclaimable slab info: slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node_trace+0xe7/0x740 mm/slab.c:3661 __do_kmalloc_node mm/slab.c:3683 [inline] __kmalloc_node_track_caller+0x3c/0x70 mm/slab.c:3698 Name Used Total __kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145 pid_2 1KB 24KB pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460 TIPC 10KB 21KB SCTPv6 14KB 18KB DCCPv6 17KB 21KB DCCP 16KB 20KB bridge_fdb_cache 22KB 23KB fib6_nodes 86KB 104KB skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5073 ip6_dst_cache 148KB 262KB RAWv6 68KB 71KB UDPv6 3KB 3KB TCPv6 23KB 23KB __bpf_try_make_writable net/core/filter.c:1638 [inline] bpf_try_make_writable net/core/filter.c:1644 [inline] bpf_try_make_head_writable net/core/filter.c:1652 [inline] ____bpf_clone_redirect net/core/filter.c:2089 [inline] bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2067 nf_conntrack 102KB 105KB bpf_prog_bebbfe2050753572+0x8ce/0x1000 sd_ext_cdb 0KB 3KB scsi_sense_cache 1056KB 1060KB virtio_scsi_cmd 16KB 16KB sgpool-128 8KB 8KB sgpool-64 4KB 6KB sgpool-32 2KB 7KB sgpool-16 1KB 3KB sgpool-8 0KB 3KB mqueue_inode_cache 10KB 21KB bio_post_read_ctx 14KB 15KB bio-2 14KB 15KB jfs_mp 7KB 7KB nfs_commit_data 3KB 7KB nfs_write_data 32KB 32KB ext4_system_zone 0KB 3KB bio-1 1KB 3KB fasync_cache 0KB 8KB pid_namespace 2KB 7KB rpc_buffers 17KB 19KB rpc_tasks 2KB 3KB UNIX 9KB 14KB Mem-Info: active_anon:52257 inactive_anon:2925 isolated_anon:0 active_file:14 inactive_file:12 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9196 slab_unreclaimable:1450559 mapped:40962 shmem:3962 pagetables:596 bounce:0 free:13764 free_pcp:480 free_cma:0 ip4-frags 771KB 773KB Node 0 active_anon:209028kB inactive_anon:11700kB active_file:56kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:15848kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes 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 tcp_bind_bucket 1KB 4KB lowmem_reserve[]: 0 2818 6321 6321 Node 0 DMA32 free:25248kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 inet_peer_cache 19KB 20KB Node 0 Normal free:13900kB min:37364kB low:46704kB high:56044kB active_anon:209028kB inactive_anon:11700kB active_file:56kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2384kB bounce:0kB free_pcp:1672kB local_pcp:252kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 ip_fib_trie 11KB 19KB 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 ip_fib_alias 52KB 71KB Node 0 DMA32: 2*4kB (M) 1*8kB (U) 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB ip_dst_cache 992KB 992KB Node 0 Normal: 1289*4kB (UMEH) 570*8kB (UMEH) 190*16kB (MH) 34*32kB (UMH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13908kB RAW 40KB 43KB 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 3988 total pagecache pages 0 pages in swap cache UDP 16KB 26KB Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 342853 pages reserved TCP 8KB 11KB 0 pages cma reserved syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) hugetlbfs_inode_cache 2KB 7KB syz-executor5 cpuset=syz5 mems_allowed=0 CPU: 0 PID: 12320 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #152 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.116+0xb7/0x1bd mm/page_alloc.c:3423 __alloc_pages_slowpath+0x26e8/0x2e10 mm/page_alloc.c:4302 fscache_cookie_jar 1KB 3KB eventpoll_pwq 3KB 15KB eventpoll_epi 6KB 27KB inotify_inode_mark 5KB 31KB request_queue 164KB 164KB blkdev_ioc 8KB 23KB bio-0 61KB 153KB biovec-max 1204KB 1204KB biovec-64 40KB 47KB __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395 biovec-16 4KB 7KB bio_integrity_payload 1KB 3KB khugepaged_mm_slot 0KB 7KB __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 dmaengine-unmap-256 2KB 6KB ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node_trace+0xe7/0x740 mm/slab.c:3661 dmaengine-unmap-128 1KB 3KB