kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
CPU: 1 PID: 1 Comm: init Not tainted 4.19.0-rc7+ #127
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:
rcu: 	0-...!: (1 GPs behind) idle=00a/1/0x4000000000000004 softirq=11100/11101 fqs=3 
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
rcu: 	
 (t=10559 jiffies g=13225 q=2)
rcu: rcu_preempt kthread starved for 9598 jiffies! g13225 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R
  running task    
23064    10      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2825 [inline]
 __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
 __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
 schedule+0xfe/0x460 kernel/sched/core.c:3517
 ____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
 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
 alloc_skb include/linux/skbuff.h:997 [inline]
 nlmsg_new include/net/netlink.h:654 [inline]
 __br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
 rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
 br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
 br_multicast_del_pg+0x3df/0x790 net/bridge/br_multicast.c:292
 br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316
 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+0x30b/0xad8 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
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
NMI backtrace for cpu 0
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:lock_release+0x4d2/0x970 kernel/locking/lockdep.c:3922
Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6a 03 00 00 48 83 3d 05 fc d0 07 00 0f 84 c5 02 00 00 48 8b bd e0 fe ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
RSP: 0000:ffff8801d9a4df40 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 1ffff1003b349bec RCX: 1ffff1003b348116
RDX: 1ffffffff1263e51 RSI: 0000000000000005 RDI: 0000000000000286
RBP: ffff8801d9a4e068 R08: 0000000000000000 R09: ffffed003b5e4732
R10: ffffed003b5e4732 R11: ffff8801daf23993 R12: ffff8801d9a40040
R13: 35a81be7c9c25b4d R14: 0000000000000004 R15: ffff8801d9a40040
 rcu_lock_release include/linux/rcupdate.h:249 [inline]
 rcu_read_unlock include/linux/rcupdate.h:683 [inline]
 list_lru_count_one+0x282/0x450 mm/list_lru.c:196
 list_lru_shrink_count include/linux/list_lru.h:122 [inline]
 super_cache_count+0x1b9/0x2e0 fs/super.c:145
 do_shrink_slab+0x1a7/0xd20 mm/vmscan.c:464
 shrink_slab+0x389/0x8c0 mm/vmscan.c:696
 shrink_node+0x431/0x16b0 mm/vmscan.c:2745
 shrink_zones mm/vmscan.c:2974 [inline]
 do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036
 try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251
 __perform_reclaim mm/page_alloc.c:3769 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
 __alloc_pages_slowpath+0x993/0x2d80 mm/page_alloc.c:4191
 __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: 0033:0x7ff7eae2edd3
Code: Bad RIP value.
RSP: 002b:00007ffd1173b248 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffd1173b3f0 RCX: 00007ff7eae2edd3
RDX: 0000000000000000 RSI: 00007ffd1173b5a0 RDI: 000000000000000b
RBP: 00007ffd1173b5a0 R08: 00007ffd1173b620 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffd1173b980 R14: 0000000000000000 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 984 Comm: oom_reaper Not tainted 4.19.0-rc7+ #127
Mem-Info:
active_anon:46825 inactive_anon:112 isolated_anon:0
 active_file:12 inactive_file:12 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:8847 slab_unreclaimable:1479040
 mapped:49154 shmem:119 pagetables:626 bounce:0
 free:13713 free_pcp:229 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:187300kB inactive_anon:448kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 161792kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 
 <IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]:
 0
 2819 6323
 6323
 nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101
Node 0 
DMA32 free:25012kB min:30060kB low:37572kB high:45084kB active_anon:10240kB 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:248kB local_pcp:248kB 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+0x175/0x1c2 kernel/rcu/tree.c:1340
 0 3503
 3503
 print_cpu_stall.cold.78+0x2d3/0x524 kernel/rcu/tree.c:1478
Node 0 
Normal free:13932kB min:37352kB low:46688kB high:56024kB active_anon:177060kB inactive_anon:448kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:668kB local_pcp:576kB free_cma:0kB
lowmem_reserve[]: 0
 0
 0 0
Node 0 
DMA: 1*4kB 
(U) 
0*8kB 
0*16kB 
 check_cpu_stall kernel/rcu/tree.c:1550 [inline]
 __rcu_pending kernel/rcu/tree.c:3276 [inline]
 rcu_pending kernel/rcu/tree.c:3319 [inline]
 rcu_check_callbacks+0xfd9/0x1990 kernel/rcu/tree.c:2665
1*32kB (U) 
2*64kB 
(U) 
1*128kB 
(U) 
1*256kB 
(U) 
0*512kB 1*1024kB 
(U) 
1*2048kB 
(M) 
3*4096kB (M) 
= 15908kB
Node 0 
DMA32: 
3*4kB 
(M) 
1*8kB 
(M) 2*16kB 
(M) 
2*32kB 
(M) 5*64kB 
(UM) 
4*128kB (UM) 
4*256kB 
(UM) 
3*512kB 
(M) 
 update_process_times+0x2d/0x70 kernel/time/timer.c:1636
3*1024kB 
 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
(UM) 
 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
3*2048kB 
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
(UM) 
3*4096kB (M) 
= 25012kB
Node 0 
Normal: 
815*4kB 
(UME) 
447*8kB 
(UME) 
171*16kB (ME) 
91*32kB (UME) 
 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
23*64kB 
 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
(UM) 
0*128kB 
0*256kB 
0*512kB 
0*1024kB 
0*2048kB 
0*4096kB 
= 13956kB
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
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
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Code: 41 7e 0f 85 32 ff ff ff e8 f5 d6 3f ff e9 28 ff ff ff e8 1c 3e c4 ff 48 83 3d ac 4b 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 12 3c
143 total pagecache pages
RSP: 0000:ffff8801dae07450 EFLAGS: 00000286
0 pages in swap cache
 ORIG_RAX: ffffffffffffff13
Swap cache stats: add 0, delete 0, find 0/0
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003af3d9fe
Free swap  = 0kB
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
Total swap = 0kB
RBP: ffff8801dae074c0 R08: ffff8801d79ecff0 R09: 0000000000000002
1965979 pages RAM
R10: 0000000000000000 R11: ffff8801d79ec700 R12: ffff8801d9be7680
0 pages HighMem/MovableOnly
342306 pages reserved
R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000286
0 pages cma reserved
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
init cpuset=
/
 mems_allowed=0
 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+0x30b/0xad8 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
 </IRQ>
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0x262/0x660 kernel/smp.c:302
Code: 48 89 44 24 28 e8 0e 50 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 e8 4e 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 52 03 00 00 41
RSP: 0000:ffff8801d7a06fe0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d7a07058 RBX: ffff8801d7a07058 RCX: ffffffff81728ab9
RDX: 0000000000000000 RSI: ffffffff81728a68 RDI: 0000000000000005
RBP: ffff8801d7a07138 R08: ffff8801d79ec700 R09: ffffed003b5e5ba0
R10: ffffed003b5e5ba0 R11: ffff8801daf2dd07 R12: ffffed003af40e18
R13: 1ffff1003af40e04 R14: dffffc0000000000 R15: 0000000000000001
 smp_call_function_many+0x967/0xb60 kernel/smp.c:434
 native_flush_tlb_others+0x106/0x6a0 arch/x86/mm/tlb.c:609
 flush_tlb_others arch/x86/include/asm/paravirt.h:309 [inline]
 flush_tlb_mm_range+0x350/0x4d0 arch/x86/mm/tlb.c:658
 flush_tlb_batched_pending+0x6e/0xb0 mm/rmap.c:662
 zap_pte_range mm/memory.c:1301 [inline]
 zap_pmd_range mm/memory.c:1440 [inline]
 zap_pud_range mm/memory.c:1469 [inline]
 zap_p4d_range mm/memory.c:1490 [inline]
 unmap_page_range+0x96a/0x2030 mm/memory.c:1511
 __oom_reap_task_mm+0xf7/0x410 mm/oom_kill.c:529
 oom_reap_task_mm mm/oom_kill.c:567 [inline]
 oom_reap_task mm/oom_kill.c:591 [inline]
 oom_reaper+0x2b7/0x11e0 mm/oom_kill.c:629
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
CPU: 1 PID: 1 Comm: init Not tainted 4.19.0-rc7+ #127
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
oom_reaper cpuset=
/
 mems_allowed=0
 __alloc_pages_slowpath+0x2667/0x2d80 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]
 nlmsg_new include/net/netlink.h:654 [inline]
 __br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
 br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
 br_multicast_del_pg+0x3df/0x790 net/bridge/br_multicast.c:292
 br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316
 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+0x30b/0xad8 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
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:lock_release+0x4d2/0x970 kernel/locking/lockdep.c:3922
Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6a 03 00 00 48 83 3d 05 fc d0 07 00 0f 84 c5 02 00 00 48 8b bd e0 fe ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
RSP: 0000:ffff8801d9a4df40 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 1ffff1003b349bec RCX: 1ffff1003b348116
RDX: 1ffffffff1263e51 RSI: 0000000000000005 RDI: 0000000000000286
RBP: ffff8801d9a4e068 R08: 0000000000000000 R09: ffffed003b5e4732
R10: ffffed003b5e4732 R11: ffff8801daf23993 R12: ffff8801d9a40040
R13: 35a81be7c9c25b4d R14: 0000000000000004 R15: ffff8801d9a40040
 rcu_lock_release include/linux/rcupdate.h:249 [inline]
 rcu_read_unlock include/linux/rcupdate.h:683 [inline]
 list_lru_count_one+0x282/0x450 mm/list_lru.c:196
 list_lru_shrink_count include/linux/list_lru.h:122 [inline]
 super_cache_count+0x1b9/0x2e0 fs/super.c:145
 do_shrink_slab+0x1a7/0xd20 mm/vmscan.c:464
 shrink_slab+0x389/0x8c0 mm/vmscan.c:696
 shrink_node+0x431/0x16b0 mm/vmscan.c:2745
 shrink_zones mm/vmscan.c:2974 [inline]
 do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036
 try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251
 __perform_reclaim mm/page_alloc.c:3769 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
 __alloc_pages_slowpath+0x993/0x2d80 mm/page_alloc.c:4191
 __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: 0033:0x7ff7eae2edd3
Code: Bad RIP value.
RSP: 002b:00007ffd1173b248 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffd1173b3f0 RCX: 00007ff7eae2edd3
RDX: 0000000000000000 RSI: 00007ffd1173b5a0 RDI: 000000000000000b
RBP: 00007ffd1173b5a0 R08: 00007ffd1173b620 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffd1173b980 R14: 0000000000000000 R15: 0000000000000000
CPU: 0 PID: 984 Comm: oom_reaper Not tainted 4.19.0-rc7+ #127
Mem-Info:
active_anon:46825 inactive_anon:112 isolated_anon:0
 active_file:12 inactive_file:12 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:8847 slab_unreclaimable:1479040
 mapped:49154 shmem:119 pagetables:626 bounce:0
 free:13713 free_pcp:229 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:187300kB inactive_anon:448kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 161792kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
 2819
 6323
 6323
Node 0 
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
DMA32 free:25012kB min:30060kB low:37572kB high:45084kB active_anon:10240kB 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:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]:
 0
 0
 3503
 3503
Node 0 
Normal free:13932kB min:37352kB low:46688kB high:56024kB active_anon:177060kB inactive_anon:448kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:668kB local_pcp:576kB 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) 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
3*4096kB 
(M) 
= 15908kB
Node 0 
DMA32: 
3*4kB 
(M) 1*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+0x91/0x8c0 mm/slab.c:2677
(M) 
2*16kB 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(M) 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
2*32kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M) 
5*64kB 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM) 
4*128kB 
(UM) 
4*256kB (UM) 
3*512kB 
(M) 
3*1024kB 
(UM) 
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
3*2048kB 
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(UM) 
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
3*4096kB 
(M) 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
= 25012kB
Node 0 
Normal: 815*4kB 
(UME) 
447*8kB 
(UME) 
171*16kB 
(ME) 
91*32kB 
(UME) 23*64kB 
(UM) 
0*128kB 
0*256kB 
0*512kB 
0*1024kB 0*2048kB 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*4096kB = 13956kB
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
143 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
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
init cpuset=
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
/
 mems_allowed=0
 __do_softirq+0x30b/0xad8 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
 </IRQ>
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0x262/0x660 kernel/smp.c:302
Code: 48 89 44 24 28 e8 0e 50 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 e8 4e 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 52 03 00 00 41
RSP: 0000:ffff8801d7a06fe0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d7a07058 RBX: ffff8801d7a07058 RCX: ffffffff81728ab9
RDX: 0000000000000000 RSI: ffffffff81728a68 RDI: 0000000000000005
RBP: ffff8801d7a07138 R08: ffff8801d79ec700 R09: ffffed003b5e5ba0
R10: ffffed003b5e5ba0 R11: ffff8801daf2dd07 R12: ffffed003af40e18
R13: 1ffff1003af40e04 R14: dffffc0000000000 R15: 0000000000000001
 smp_call_function_many+0x967/0xb60 kernel/smp.c:434
 native_flush_tlb_others+0x106/0x6a0 arch/x86/mm/tlb.c:609
 flush_tlb_others arch/x86/include/asm/paravirt.h:309 [inline]
 flush_tlb_mm_range+0x350/0x4d0 arch/x86/mm/tlb.c:658
 flush_tlb_batched_pending+0x6e/0xb0 mm/rmap.c:662
 zap_pte_range mm/memory.c:1301 [inline]
 zap_pmd_range mm/memory.c:1440 [inline]
 zap_pud_range mm/memory.c:1469 [inline]
 zap_p4d_range mm/memory.c:1490 [inline]
 unmap_page_range+0x96a/0x2030 mm/memory.c:1511
 __oom_reap_task_mm+0xf7/0x410 mm/oom_kill.c:529
 oom_reap_task_mm mm/oom_kill.c:567 [inline]
 oom_reap_task mm/oom_kill.c:591 [inline]
 oom_reaper+0x2b7/0x11e0 mm/oom_kill.c:629
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
CPU: 1 PID: 1 Comm: init Not tainted 4.19.0-rc7+ #127
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
oom_reaper cpuset=
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
/
 mems_allowed=0
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2667/0x2d80 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]
 nlmsg_new include/net/netlink.h:654 [inline]
 __br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
 br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
 br_multicast_del_pg+0x3df/0x790 net/bridge/br_multicast.c:292
 br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316
 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+0x30b/0xad8 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
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:lock_release+0x4d2/0x970 kernel/locking/lockdep.c:3922
Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6a 03 00 00 48 83 3d 05 fc d0 07 00 0f 84 c5 02 00 00 48 8b bd e0 fe ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
RSP: 0000:ffff8801d9a4df40 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 1ffff1003b349bec RCX: 1ffff1003b348116
RDX: 1ffffffff1263e51 RSI: 0000000000000005 RDI: 0000000000000286
RBP: ffff8801d9a4e068 R08: 0000000000000000 R09: ffffed003b5e4732
R10: ffffed003b5e4732 R11: ffff8801daf23993 R12: ffff8801d9a40040
R13: 35a81be7c9c25b4d R14: 0000000000000004 R15: ffff8801d9a40040
 rcu_lock_release include/linux/rcupdate.h:249 [inline]
 rcu_read_unlock include/linux/rcupdate.h:683 [inline]
 list_lru_count_one+0x282/0x450 mm/list_lru.c:196
 list_lru_shrink_count include/linux/list_lru.h:122 [inline]
 super_cache_count+0x1b9/0x2e0 fs/super.c:145
 do_shrink_slab+0x1a7/0xd20 mm/vmscan.c:464
 shrink_slab+0x389/0x8c0 mm/vmscan.c:696
 shrink_node+0x431/0x16b0 mm/vmscan.c:2745
 shrink_zones mm/vmscan.c:2974 [inline]
 do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036
 try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251
 __perform_reclaim mm/page_alloc.c:3769 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
 __alloc_pages_slowpath+0x993/0x2d80 mm/page_alloc.c:4191
 __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: 0033:0x7ff7eae2edd3
Code: Bad RIP value.
RSP: 002b:00007ffd1173b248 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffd1173b3f0 RCX: 00007ff7eae2edd3
RDX: 0000000000000000 RSI: 00007ffd1173b5a0 RDI: 000000000000000b
RBP: 00007ffd1173b5a0 R08: 00007ffd1173b620 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffd1173b980 R14: 0000000000000000 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 984 Comm: oom_reaper Not tainted 4.19.0-rc7+ #127
Mem-Info:
active_anon:46825 inactive_anon:112 isolated_anon:0
 active_file:12 inactive_file:12 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:8847 slab_unreclaimable:1479040
 mapped:49154 shmem:119 pagetables:626 bounce:0
 free:13713 free_pcp:229 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:187300kB inactive_anon:448kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 161792kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 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
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
Node 0 
DMA32 free:25012kB min:30060kB low:37572kB high:45084kB active_anon:10240kB 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:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]:
 0 0
 3503
 3503
Node 0 
Normal free:13932kB min:37352kB low:46688kB high:56024kB active_anon:177060kB inactive_anon:448kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:668kB local_pcp:576kB 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 
 __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
(M) 
2*16kB (M) 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
2*32kB 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M) 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
5*64kB 
(UM) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
4*128kB 
(UM) 
4*256kB 
(UM) 
3*512kB 
(M) 
3*1024kB 
(UM) 
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
3*2048kB 
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(UM) 
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
3*4096kB 
(M) 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
= 25012kB
Node 0 
Normal: 
815*4kB 
(UME) 447*8kB 
(UME) 
171*16kB 
(ME) 
91*32kB 
(UME) 
23*64kB (UM) 
0*128kB 
0*256kB 
0*512kB 
0*1024kB 0*2048kB 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*4096kB 
= 13956kB
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
143 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
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
init cpuset=
/ mems_allowed=0
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x30b/0xad8 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
 </IRQ>
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0x262/0x660 kernel/smp.c:302
Code: 48 89 44 24 28 e8 0e 50 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 e8 4e 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 52 03 00 00 41
RSP: 0000:ffff8801d7a06fe0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d7a07058 RBX: ffff8801d7a07058 RCX: ffffffff81728ab9
RDX: 0000000000000000 RSI: ffffffff81728a68 RDI: 0000000000000005
RBP: ffff8801d7a07138 R08: ffff8801d79ec700 R09: ffffed003b5e5ba0
R10: ffffed003b5e5ba0 R11: ffff8801daf2dd07 R12: ffffed003af40e18
R13: 1ffff1003af40e04 R14: dffffc0000000000 R15: 0000000000000001
 smp_call_function_many+0x967/0xb60 kernel/smp.c:434
 native_flush_tlb_others+0x106/0x6a0 arch/x86/mm/tlb.c:609
 flush_tlb_others arch/x86/include/asm/paravirt.h:309 [inline]
 flush_tlb_mm_range+0x350/0x4d0 arch/x86/mm/tlb.c:658
 flush_tlb_batched_pending+0x6e/0xb0 mm/rmap.c:662
 zap_pte_range mm/memory.c:1301 [inline]
 zap_pmd_range mm/memory.c:1440 [inline]
 zap_pud_range mm/memory.c:1469 [inline]
 zap_p4d_range mm/memory.c:1490 [inline]
 unmap_page_range+0x96a/0x2030 mm/memory.c:1511
 __oom_reap_task_mm+0xf7/0x410 mm/oom_kill.c:529
 oom_reap_task_mm mm/oom_kill.c:567 [inline]
 oom_reap_task mm/oom_kill.c:591 [inline]
 oom_reaper+0x2b7/0x11e0 mm/oom_kill.c:629
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
CPU: 1 PID: 1 Comm: init Not tainted 4.19.0-rc7+ #127
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
oom_reaper cpuset=
/
 mems_allowed=0
 __alloc_pages_slowpath+0x2667/0x2d80 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]
 nlmsg_new include/net/netlink.h:654 [inline]
 __br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
 br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
 br_multicast_del_pg+0x3df/0x790 net/bridge/br_multicast.c:292
 br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316
 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+0x30b/0xad8 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
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:lock_release+0x4d2/0x970 kernel/locking/lockdep.c:3922
Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6a 03 00 00 48 83 3d 05 fc d0 07 00 0f 84 c5 02 00 00 48 8b bd e0 fe ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
RSP: 0000:ffff8801d9a4df40 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 1ffff1003b349bec RCX: 1ffff1003b348116
RDX: 1ffffffff1263e51 RSI: 0000000000000005 RDI: 0000000000000286
RBP: ffff8801d9a4e068 R08: 0000000000000000 R09: ffffed003b5e4732
R10: ffffed003b5e4732 R11: ffff8801daf23993 R12: ffff8801d9a40040
R13: 35a81be7c9c25b4d R14: 0000000000000004 R15: ffff8801d9a40040
 rcu_lock_release include/linux/rcupdate.h:249 [inline]
 rcu_read_unlock include/linux/rcupdate.h:683 [inline]
 list_lru_count_one+0x282/0x450 mm/list_lru.c:196
 list_lru_shrink_count include/linux/list_lru.h:122 [inline]
 super_cache_count+0x1b9/0x2e0 fs/super.c:145
 do_shrink_slab+0x1a7/0xd20 mm/vmscan.c:464
 shrink_slab+0x389/0x8c0 mm/vmscan.c:696
 shrink_node+0x431/0x16b0 mm/vmscan.c:2745
 shrink_zones mm/vmscan.c:2974 [inline]
 do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036
 try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251
 __perform_reclaim mm/page_alloc.c:3769 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
 __alloc_pages_slowpath+0x993/0x2d80 mm/page_alloc.c:4191