CPU: 1 PID: 5631 Comm: kworker/1:3 Not tainted 4.19.0+ #134
rcu: INFO: rcu_preempt self-detected stall on CPU
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_power_efficient neigh_periodic_work
rcu: 	0-...!: (118 ticks this GP) idle=eaa/1/0x4000000000000004 softirq=29457/29457 fqs=6 
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
rcu: 	
 (t=10503 jiffies g=41737 q=1469)
rcu: rcu_preempt kthread starved for 10077 jiffies! g41737 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:2826 [inline]
 __schedule+0x8cf/0x21d0 kernel/sched/core.c:3474
 schedule+0xfe/0x460 kernel/sched/core.c:3518
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
 rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 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
 rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090
 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+0x308/0xb7e kernel/softirq.c:292
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1020
 </IRQ>
 kthread+0x35a/0x420 kernel/kthread.c:246
 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
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
 neigh_periodic_work+0x6bd/0xc60 net/core/neighbour.c:871
NMI backtrace for cpu 0
 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153
 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 18190 Comm: syz-executor3 Not tainted 4.19.0+ #134
Mem-Info:
active_anon:50217 inactive_anon:3196 isolated_anon:0
 active_file:73 inactive_file:33 isolated_file:13
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9292 slab_unreclaimable:1470186
 mapped:49163 shmem:3203 pagetables:679 bounce:0
 free:13769 free_pcp:364 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:200868kB inactive_anon:12784kB active_file:292kB inactive_file:132kB unevictable:0kB isolated(anon):0kB isolated(file):52kB mapped:196652kB dirty:0kB writeback:0kB shmem:12812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0 
 <IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]:
 0
 2819
 6323
 nmi_cpu_backtrace.cold.1+0x5c/0xa1 lib/nmi_backtrace.c:101
 6323
 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
Node 0 
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
DMA32 free:25264kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:244kB local_pcp:0kB free_cma:0kB
 trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline]
 rcu_dump_cpu_stacks+0x16f/0x1bc kernel/rcu/tree.c:1195
lowmem_reserve[]: 0
 print_cpu_stall.cold.67+0x1f3/0x3c7 kernel/rcu/tree.c:1334
 0
 3503 3503
Node 0 
Normal free:13904kB min:37352kB low:46688kB high:56024kB active_anon:200868kB inactive_anon:12784kB active_file:292kB inactive_file:264kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5248kB pagetables:2716kB bounce:0kB free_pcp:1212kB local_pcp:864kB free_cma:0kB
lowmem_reserve[]:
 0
 0
 0
 0
Node 0 
DMA: 
 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
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: 4*4kB 
(M) 
2*8kB 
(UM) 
3*16kB 
(M) 
3*32kB 
(MH) 
2*64kB 
(M) 
3*128kB 
(MH) 
 update_process_times+0x2d/0x70 kernel/time/timer.c:1636
4*256kB 
 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
(M) 4*512kB 
 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
(UM) 
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
3*1024kB 
(UM) 
3*2048kB 
(M) 
3*4096kB 
(M) 
= 25264kB
Node 0 
Normal: 
994*4kB 
(MEH) 
311*8kB 
 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
(UMEH) 
 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
219*16kB 
(UME) 
79*32kB 
(UME) 
0*64kB 
1*128kB 
(H) 
1*256kB 
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
(H) 
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
0*512kB 
Code: 40 7e 0f 85 32 ff ff ff e8 15 92 3e ff e9 28 ff ff ff e8 ac c3 c3 ff 48 83 3d 84 0c 70 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
1*1024kB 
RSP: 0018:ffff8801dae07450 EFLAGS: 00000286
(H) 
 ORIG_RAX: ffffffffffffff13
0*2048kB 
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1002efcfdf9
0*4096kB 
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
= 13904kB
RBP: ffff8801dae074c0 R08: ffff880177e7efc8 R09: 0000000000000002
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
R10: 0000000000000000 R11: ffff880177e7e700 R12: ffff8801d9bd2680
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
R13: ffff8801d9bd2680 R14: 0000000000000000 R15: 0000000000000286
3305 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342293 pages reserved
0 pages cma reserved
kworker/1:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/1:3 cpuset=
/
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 mems_allowed=0
 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+0x308/0xb7e kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661
Code: 3f 7e 0f 85 32 ff ff ff e8 b3 5d 3e ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d 22 d8 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
RSP: 0018:ffff880177cb74a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff880177e7ef80 RDI: 0000000000000286
RBP: ffff880177cb7518 R08: ffff880177e7e700 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
 __do_kmalloc_node mm/slab.c:3681 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
 __kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145
 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
 skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5071
 __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
 bpf_prog_bebbfe2050753572+0x8aa/0x1000
CPU: 1 PID: 5631 Comm: kworker/1:3 Not tainted 4.19.0+ #134
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_power_efficient neigh_periodic_work
Call Trace:
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
syz-executor3 cpuset=
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
syz3
 mems_allowed=0
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:997 [inline]
 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+0x308/0xb7e kernel/softirq.c:292
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1020
 </IRQ>
 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/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
CPU: 0 PID: 18190 Comm: syz-executor3 Not tainted 4.19.0+ #134
Mem-Info:
active_anon:50217 inactive_anon:3196 isolated_anon:0
 active_file:73 inactive_file:33 isolated_file:13
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9292 slab_unreclaimable:1470186
 mapped:49163 shmem:3203 pagetables:679 bounce:0
 free:13769 free_pcp:364 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:200868kB inactive_anon:12784kB active_file:292kB inactive_file:132kB unevictable:0kB isolated(anon):0kB isolated(file):52kB mapped:196652kB dirty:0kB writeback:0kB shmem:12812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 0 2819
 6323
 6323
Node 0 
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
DMA32 free:25264kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:244kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
 0
 0
 3503
 3503
Node 0 
Normal free:13904kB min:37352kB low:46688kB high:56024kB active_anon:200868kB inactive_anon:12784kB active_file:292kB inactive_file:264kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5248kB pagetables:2716kB bounce:0kB free_pcp:1212kB local_pcp:864kB 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 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(U) 
1*2048kB 
(M) 
3*4096kB (M) 
= 15908kB
Node 0 
DMA32: 
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
4*4kB 
(M) 
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
2*8kB 
 ____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
3*16kB 
(M) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*32kB 
(MH) 
2*64kB 
(M) 
3*128kB 
(MH) 
4*256kB 
(M) 
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
4*512kB 
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(UM) 
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
3*1024kB (UM) 
3*2048kB 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(M) 3*4096kB 
(M) 
= 25264kB
Node 0 
Normal: 
994*4kB 
(MEH) 
311*8kB 
(UMEH) 
219*16kB 
(UME) 
79*32kB 
(UME) 0*64kB 
1*128kB 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
(H) 
1*256kB 
(H) 
0*512kB 1*1024kB 
(H) 
0*2048kB 
0*4096kB 
= 13904kB
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
3305 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
Total swap = 0kB
1965979 pages RAM
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
0 pages HighMem/MovableOnly
342293 pages reserved
0 pages cma reserved
kworker/1:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/1:3 cpuset=
/
 mems_allowed=0
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661
Code: 3f 7e 0f 85 32 ff ff ff e8 b3 5d 3e ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d 22 d8 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
RSP: 0018:ffff880177cb74a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff880177e7ef80 RDI: 0000000000000286
RBP: ffff880177cb7518 R08: ffff880177e7e700 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
 __do_kmalloc_node mm/slab.c:3681 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
 __kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145
 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
 skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5071
 __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
 bpf_prog_bebbfe2050753572+0x8aa/0x1000
CPU: 1 PID: 5631 Comm: kworker/1:3 Not tainted 4.19.0+ #134
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_power_efficient neigh_periodic_work
Call Trace:
 <IRQ>
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
syz-executor3 cpuset=
syz3
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 mems_allowed=0
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 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+0x308/0xb7e kernel/softirq.c:292
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1020
 </IRQ>
 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/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 18190 Comm: syz-executor3 Not tainted 4.19.0+ #134
Mem-Info:
active_anon:50217 inactive_anon:3196 isolated_anon:0
 active_file:73 inactive_file:33 isolated_file:13
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9292 slab_unreclaimable:1470186
 mapped:49163 shmem:3203 pagetables:679 bounce:0
 free:13769 free_pcp:364 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:200868kB inactive_anon:12784kB active_file:292kB inactive_file:132kB unevictable:0kB isolated(anon):0kB isolated(file):52kB mapped:196652kB dirty:0kB writeback:0kB shmem:12812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0 
 <IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]:
 0
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 2819 6323
 6323
Node 0 
DMA32 free:25264kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:244kB local_pcp:0kB free_cma:0kB
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
lowmem_reserve[]:
 0
 0
 3503
 3503
Node 0 
Normal free:13904kB min:37352kB low:46688kB high:56024kB active_anon:200868kB inactive_anon:12784kB active_file:292kB inactive_file:264kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5248kB pagetables:2716kB bounce:0kB free_pcp:1212kB local_pcp:864kB 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 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(U) 
1*2048kB 
(M) 
3*4096kB 
(M) 
= 15908kB
Node 0 
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
DMA32: 
4*4kB 
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
(M) 2*8kB 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(UM) 3*16kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M) 
3*32kB (MH) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
2*64kB (M) 
3*128kB (MH) 
4*256kB (M) 
4*512kB 
(UM) 
3*1024kB 
(UM) 
3*2048kB 
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
(M) 
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
3*4096kB 
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
(M) 
= 25264kB
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
Node 0 
Normal: 
994*4kB 
(MEH) 
311*8kB 
(UMEH) 
219*16kB 
(UME) 
79*32kB 
(UME) 
0*64kB 
1*128kB 
(H) 
1*256kB 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
(H) 
0*512kB 
1*1024kB 
(H) 
0*2048kB 
0*4096kB 
= 13904kB
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
3305 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
1965979 pages RAM
0 pages HighMem/MovableOnly
342293 pages reserved
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
kworker/1:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/1:3 cpuset=
/
 mems_allowed=0
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661
Code: 3f 7e 0f 85 32 ff ff ff e8 b3 5d 3e ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d 22 d8 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
RSP: 0018:ffff880177cb74a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff880177e7ef80 RDI: 0000000000000286
RBP: ffff880177cb7518 R08: ffff880177e7e700 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
 __do_kmalloc_node mm/slab.c:3681 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
 __kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145
 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
 skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5071
 __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
 bpf_prog_bebbfe2050753572+0x8aa/0x1000
CPU: 1 PID: 5631 Comm: kworker/1:3 Not tainted 4.19.0+ #134
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_power_efficient neigh_periodic_work
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor3 cpuset=
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
syz3
 mems_allowed=0
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 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+0x308/0xb7e kernel/softirq.c:292
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1020
 </IRQ>
 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/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 18190 Comm: syz-executor3 Not tainted 4.19.0+ #134
Mem-Info:
active_anon:50217 inactive_anon:3196 isolated_anon:0
 active_file:73 inactive_file:33 isolated_file:13
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9292 slab_unreclaimable:1470186
 mapped:49163 shmem:3203 pagetables:679 bounce:0
 free:13769 free_pcp:364 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:200868kB inactive_anon:12784kB active_file:292kB inactive_file:132kB unevictable:0kB isolated(anon):0kB isolated(file):52kB mapped:196652kB dirty:0kB writeback:0kB shmem:12812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0 
 <IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]:
 0 2819
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 6323 6323
Node 0 
DMA32 free:25264kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:244kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
 0 0
 3503
 3503
Node 0 
Normal free:13904kB min:37352kB low:46688kB high:56024kB active_anon:200868kB inactive_anon:12784kB active_file:292kB inactive_file:264kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5248kB pagetables:2716kB bounce:0kB free_pcp:1212kB local_pcp:864kB 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: 
4*4kB 
(M) 2*8kB 
(UM) 
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
3*16kB (M) 
3*32kB 
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
(MH) 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
2*64kB (M) 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
3*128kB 
(MH) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
4*256kB 
(M) 
4*512kB (UM) 
3*1024kB 
(UM) 
3*2048kB 
(M) 
3*4096kB 
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
(M) 
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
= 25264kB
Node 0 
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
Normal: 
994*4kB 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(MEH) 
311*8kB (UMEH) 
219*16kB (UME) 
79*32kB (UME) 
0*64kB 
1*128kB 
(H) 
1*256kB 
(H) 
0*512kB 1*1024kB 
(H) 
0*2048kB 0*4096kB 
= 13904kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
3305 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
342293 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
kworker/1:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
kworker/1:3 cpuset=
/
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 mems_allowed=0
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661
Code: 3f 7e 0f 85 32 ff ff ff e8 b3 5d 3e ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d 22 d8 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
RSP: 0018:ffff880177cb74a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff880177e7ef80 RDI: 0000000000000286
RBP: ffff880177cb7518 R08: ffff880177e7e700 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
 __do_kmalloc_node mm/slab.c:3681 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
 __kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145
 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
 skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5071
 __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
 bpf_prog_bebbfe2050753572+0x8aa/0x1000
CPU: 1 PID: 5631 Comm: kworker/1:3 Not tainted 4.19.0+ #134
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_power_efficient neigh_periodic_work
Call Trace:
 <IRQ>
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
syz-executor3 cpuset=
syz3
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 mems_allowed=0
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 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+0x308/0xb7e kernel/softirq.c:292
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1020
 </IRQ>
 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/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
CPU: 0 PID: 18190 Comm: syz-executor3 Not tainted 4.19.0+ #134
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:50217 inactive_anon:3196 isolated_anon:0
 active_file:73 inactive_file:33 isolated_file:13
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9292 slab_unreclaimable:1470186
 mapped:49163 shmem:3203 pagetables:679 bounce:0
 free:13769 free_pcp:364 free_cma:0
Call Trace:
Node 0 active_anon:200868kB inactive_anon:12784kB active_file:292kB inactive_file:132kB unevictable:0kB isolated(anon):0kB isolated(file):52kB mapped:196652kB dirty:0kB writeback:0kB shmem:12812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 0 2819
 6323
 6323
Node 0 DMA32 free:25264kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:244kB local_pcp:0kB free_cma:0kB
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
lowmem_reserve[]: 0
 0
 3503
 3503
Node 0 
Normal free:13904kB min:37352kB low:46688kB high:56024kB active_anon:200868kB inactive_anon:12784kB active_file:292kB inactive_file:264kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5248kB pagetables:2716kB bounce:0kB free_pcp:1212kB local_pcp:864kB 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: 4*4kB (M) 2*8kB (UM) 3*16kB (M) 3*32kB (MH) 2*64kB (M) 3*128kB (MH) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (M) 3*4096kB (M) = 25264kB
Node 0 Normal: 994*4kB (MEH) 
311*8kB (UMEH) 
219*16kB (UME) 
79*32kB 
(UME) 
0*64kB 
1*128kB 
(H) 
1*256kB (H) 
0*512kB 
1*1024kB 
(H) 
0*2048kB 
0*4096kB 
= 13904kB
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
3305 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342293 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
 __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
kworker/1:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
kworker/1:3 cpuset=
 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
 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