CPU: 1 PID: 1 Comm: init Not tainted 4.19.0+ #135
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
rcu: 	(detected by 0, t=10568 jiffies, g=16617, q=0)
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
rcu: All QSes seen, last rcu_preempt kthread activity 10568 (4294969519-4294958951), jiffies_till_next_fqs=1, root ->qsmask 0x0
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor4   R
  running task    
20648 10173   5496 0x8010000c
Call Trace:
 <IRQ>
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
 sched_show_task.cold.81+0x2b6/0x30a kernel/sched/core.c:5297
 print_other_cpu_stall.cold.66+0x7dd/0x8bb kernel/rcu/tree.c:1286
 check_cpu_stall kernel/rcu/tree.c:1415 [inline]
 rcu_pending kernel/rcu/tree.c:2961 [inline]
 rcu_check_callbacks+0xfd7/0x13f0 kernel/rcu/tree.c:2506
 __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
 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
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 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
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node+0x247/0x730 mm/slab.c:3642
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
Code: 41 7e 0f 85 32 ff ff ff e8 55 f9 3f ff e9 28 ff ff ff e8 ac c3 c3 ff 48 83 3d 04 72 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90
RSP: 0000:ffff8801dae07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100370b4989
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
RBP: ffff8801dae074c0 R08: ffff8801b85a4c48 R09: 0000000000000002
R10: 0000000000000000 R11: ffff8801b85a4380 R12: ffff8801d9bd2c80
R13: ffff8801d9bd2c80 R14: 0000000000000000 R15: 0000000000000286
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 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
 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
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
 </IRQ>
RIP: 0010:lock_is_held include/linux/lockdep.h:339 [inline]
RIP: 0010:list_lru_from_memcg_idx mm/list_lru.c:55 [inline]
RIP: 0010:list_lru_count_one+0x2fb/0x450 mm/list_lru.c:194
Code: c1 ea 03 80 3c 02 00 0f 85 65 01 00 00 4b 8b 5c fd 10 e9 1a ff ff ff e8 93 ba cf ff 48 8d 7b 18 be ff ff ff ff e8 f5 08 b1 ff <31> ff 41 89 c6 89 c6 e8 89 bb cf ff 45 85 f6 0f 85 bd fe ff ff e8
RSP: 0000:ffff8801d9a4e050 EFLAGS: 00000286
 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff8801d8fd9300 RCX: ffffffff81ae6614
RDX: 1ffffffff12a3e8e RSI: 0000000000000000 RDI: 0000000000000286
RBP: ffff8801d9a4e0e0 R08: ffff8801d9a40040 R09: ffffed003b5e5b57
R10: ffffed003b5e5b57 R11: ffff8801daf2dabb R12: 1ffff1003b349c0b
R13: ffff8801d8971680 R14: 0000000000000000 R15: ffffffffffffffff
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 list_lru_shrink_count include/linux/list_lru.h:122 [inline]
 super_cache_count+0x153/0x2e0 fs/super.c:144
 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
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 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
 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
 __perform_reclaim mm/page_alloc.c:3769 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
 __alloc_pages_slowpath+0x9c4/0x2d70 mm/page_alloc.c:4191
 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 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 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
RSP: 0000:ffff88019c35f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801b85a4c00 RDI: 0000000000000286
RBP: ffff88019c35f7a8 R08: ffff8801b85a4380 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020
 skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 alloc_pages_current+0x173/0x350 mm/mempolicy.c:2093
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x38c/0x5c0 mm/filemap.c:946
 ____bpf_clone_redirect net/core/filter.c:2080 [inline]
 bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
 bpf_prog_bebbfe2050753572+0x1eb/0x1000
 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:2993
rcu: rcu_preempt kthread starved for 10568 jiffies! g16617 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R
 do_read_fault mm/memory.c:3405 [inline]
 do_fault mm/memory.c:3505 [inline]
 handle_pte_fault mm/memory.c:3736 [inline]
 __handle_mm_fault+0x307c/0x5920 mm/memory.c:3860
  running task    22696    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
 handle_mm_fault+0x54f/0xc70 mm/memory.c:3897
 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
 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
 rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136
RIP: 0033:0x7f9ebdc11dd3
Code: Bad RIP value.
RSP: 002b:00007ffc534e2d78 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffc534e2f20 RCX: 00007f9ebdc11dd3
RDX: 0000000000000000 RSI: 00007ffc534e30d0 RDI: 000000000000000b
RBP: 00007ffc534e30d0 R08: 00007ffc534e3150 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffc534e34b0 R14: 0000000000000000 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:60380 inactive_anon:131 isolated_anon:0
 active_file:12 inactive_file:14 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9083 slab_unreclaimable:1459965
 mapped:49154 shmem:138 pagetables:687 bounce:0
 free:13749 free_pcp:135 free_cma:0
Node 0 active_anon:241520kB inactive_anon:524kB active_file:48kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 227328kB 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
lowmem_reserve[]: 0
 rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090
 2818 6321
 6321
Node 0 
DMA32 free:25144kB min:30052kB low:37564kB high:45076kB active_anon:14336kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
 0 3503
 3503
Node 0 
Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:227184kB inactive_anon:524kB active_file:48kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2748kB bounce:0kB free_pcp:292kB local_pcp:164kB 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) 1*8kB 
(U) 
 kthread+0x35a/0x420 kernel/kthread.c:246
2*16kB (M) 
2*32kB 
(UM) 
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
3*64kB 
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
(M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 
syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
3*1024kB 
syz-executor4 cpuset=
(UM) 1*2048kB 
syz4
(M) 4*4096kB 
 mems_allowed=0
(M) 
CPU: 0 PID: 10173 Comm: syz-executor4 Not tainted 4.19.0+ #135
= 25144kB
Node 0 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Normal: 1048*4kB 
Call Trace:
(UMEH) 
 <IRQ>
435*8kB (UME) 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
170*16kB 
(UME) 
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
67*32kB 
(UMEH) 
14*64kB 
(UM) 
0*128kB 
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
0*256kB 
1*512kB (H) 
0*1024kB 0*2048kB 
0*4096kB = 13944kB
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
164 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342867 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
init cpuset=
/
 mems_allowed=0
 __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
 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 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 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
RSP: 0000:ffff88019c35f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801b85a4c00 RDI: 0000000000000286
RBP: ffff88019c35f7a8 R08: ffff8801b85a4380 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 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+0x1eb/0x1000
CPU: 1 PID: 1 Comm: init Not tainted 4.19.0+ #135
Mem-Info:
active_anon:60380 inactive_anon:131 isolated_anon:0
 active_file:12 inactive_file:14 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9083 slab_unreclaimable:1459965
 mapped:49154 shmem:138 pagetables:687 bounce:0
 free:13749 free_pcp:135 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:241520kB inactive_anon:524kB active_file:48kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 227328kB 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+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]: 0
 2818 6321
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 6321
Node 0 
DMA32 free:25144kB min:30052kB low:37564kB high:45076kB active_anon:14336kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0
 0 3503
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
 3503
Node 0 
Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:227184kB inactive_anon:524kB active_file:48kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2748kB bounce:0kB free_pcp:292kB local_pcp:128kB 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) 1*8kB 
(U) 2*16kB 
(M) 2*32kB 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(UM) 3*64kB 
(M) 4*128kB 
(M) 3*256kB 
(M) 
4*512kB 
(UM) 3*1024kB 
(UM) 1*2048kB 
 __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
(M) 4*4096kB 
(M) = 25144kB
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
Node 0 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
Normal: 1048*4kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UMEH) 435*8kB 
(UME) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
170*16kB (UME) 
67*32kB (UMEH) 
14*64kB (UM) 
0*128kB 0*256kB 
1*512kB (H) 
0*1024kB 0*2048kB 
0*4096kB 
= 13944kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
164 total pagecache pages
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342867 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor4 cpuset=
syz4
 mems_allowed=0
 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:lock_is_held include/linux/lockdep.h:339 [inline]
RIP: 0010:list_lru_from_memcg_idx mm/list_lru.c:55 [inline]
RIP: 0010:list_lru_count_one+0x2fb/0x450 mm/list_lru.c:194
Code: c1 ea 03 80 3c 02 00 0f 85 65 01 00 00 4b 8b 5c fd 10 e9 1a ff ff ff e8 93 ba cf ff 48 8d 7b 18 be ff ff ff ff e8 f5 08 b1 ff <31> ff 41 89 c6 89 c6 e8 89 bb cf ff 45 85 f6 0f 85 bd fe ff ff e8
RSP: 0000:ffff8801d9a4e050 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff8801d8fd9300 RCX: ffffffff81ae6614
RDX: 1ffffffff12a3e8e RSI: 0000000000000000 RDI: 0000000000000286
RBP: ffff8801d9a4e0e0 R08: ffff8801d9a40040 R09: ffffed003b5e5b57
R10: ffffed003b5e5b57 R11: ffff8801daf2dabb R12: 1ffff1003b349c0b
R13: ffff8801d8971680 R14: 0000000000000000 R15: ffffffffffffffff
 list_lru_shrink_count include/linux/list_lru.h:122 [inline]
 super_cache_count+0x153/0x2e0 fs/super.c:144
 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+0x9c4/0x2d70 mm/page_alloc.c:4191
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 alloc_pages_current+0x173/0x350 mm/mempolicy.c:2093
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x38c/0x5c0 mm/filemap.c:946
 page_cache_read mm/filemap.c:2385 [inline]
 filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259
 __do_fault+0x100/0x6b0 mm/memory.c:2993
 do_read_fault mm/memory.c:3405 [inline]
 do_fault mm/memory.c:3505 [inline]
 handle_pte_fault mm/memory.c:3736 [inline]
 __handle_mm_fault+0x307c/0x5920 mm/memory.c:3860
 handle_mm_fault+0x54f/0xc70 mm/memory.c:3897
 do_user_addr_fault arch/x86/mm/fault.c:1423 [inline]
 __do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489
 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136
RIP: 0033:0x7f9ebdc11dd3
Code: Bad RIP value.
RSP: 002b:00007ffc534e2d78 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffc534e2f20 RCX: 00007f9ebdc11dd3
RDX: 0000000000000000 RSI: 00007ffc534e30d0 RDI: 000000000000000b
RBP: 00007ffc534e30d0 R08: 00007ffc534e3150 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffc534e34b0 R14: 0000000000000000 R15: 0000000000000000
Mem-Info:
CPU: 0 PID: 10173 Comm: syz-executor4 Not tainted 4.19.0+ #135
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:60380 inactive_anon:131 isolated_anon:0
 active_file:12 inactive_file:14 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9083 slab_unreclaimable:1459965
 mapped:49154 shmem:138 pagetables:687 bounce:0
 free:13749 free_pcp:135 free_cma:0
Call Trace:
Node 0 active_anon:241520kB inactive_anon:524kB active_file:48kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 227328kB 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
 2818 6321
 6321
Node 0 
DMA32 free:25144kB min:30052kB low:37564kB high:45076kB active_anon:14336kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
lowmem_reserve[]:
 0
 0 3503
 3503
Node 0 
Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:227184kB inactive_anon:524kB active_file:48kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2748kB bounce:0kB free_pcp:292kB local_pcp:164kB 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) 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
= 15908kB
Node 0 
DMA32: 4*4kB 
(M) 
1*8kB 
(U) 
2*16kB 
(M) 
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
2*32kB (UM) 
3*64kB 
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
(M) 4*128kB 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M) 3*256kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M) 
4*512kB 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM) 
3*1024kB (UM) 
1*2048kB 
(M) 
4*4096kB 
(M) 
= 25144kB
Node 0 
Normal: 1048*4kB 
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
(UMEH) 
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
435*8kB 
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
(UME) 170*16kB 
(UME) 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
67*32kB 
(UMEH) 
14*64kB 
(UM) 0*128kB 
0*256kB 1*512kB 
(H) 0*1024kB 
0*2048kB 0*4096kB 
= 13944kB
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
164 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342867 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
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+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 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 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
RSP: 0000:ffff88019c35f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801b85a4c00 RDI: 0000000000000286
RBP: ffff88019c35f7a8 R08: ffff8801b85a4380 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 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+0x1eb/0x1000
CPU: 1 PID: 1 Comm: init Not tainted 4.19.0+ #135
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:
syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
syz-executor4 cpuset=
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
syz4
 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]
 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
 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:lock_is_held include/linux/lockdep.h:339 [inline]
RIP: 0010:list_lru_from_memcg_idx mm/list_lru.c:55 [inline]
RIP: 0010:list_lru_count_one+0x2fb/0x450 mm/list_lru.c:194
Code: c1 ea 03 80 3c 02 00 0f 85 65 01 00 00 4b 8b 5c fd 10 e9 1a ff ff ff e8 93 ba cf ff 48 8d 7b 18 be ff ff ff ff e8 f5 08 b1 ff <31> ff 41 89 c6 89 c6 e8 89 bb cf ff 45 85 f6 0f 85 bd fe ff ff e8
RSP: 0000:ffff8801d9a4e050 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff8801d8fd9300 RCX: ffffffff81ae6614
RDX: 1ffffffff12a3e8e RSI: 0000000000000000 RDI: 0000000000000286
RBP: ffff8801d9a4e0e0 R08: ffff8801d9a40040 R09: ffffed003b5e5b57
R10: ffffed003b5e5b57 R11: ffff8801daf2dabb R12: 1ffff1003b349c0b
R13: ffff8801d8971680 R14: 0000000000000000 R15: ffffffffffffffff
 list_lru_shrink_count include/linux/list_lru.h:122 [inline]
 super_cache_count+0x153/0x2e0 fs/super.c:144
 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+0x9c4/0x2d70 mm/page_alloc.c:4191
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 alloc_pages_current+0x173/0x350 mm/mempolicy.c:2093
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x38c/0x5c0 mm/filemap.c:946
 page_cache_read mm/filemap.c:2385 [inline]
 filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259
 __do_fault+0x100/0x6b0 mm/memory.c:2993
 do_read_fault mm/memory.c:3405 [inline]
 do_fault mm/memory.c:3505 [inline]
 handle_pte_fault mm/memory.c:3736 [inline]
 __handle_mm_fault+0x307c/0x5920 mm/memory.c:3860
 handle_mm_fault+0x54f/0xc70 mm/memory.c:3897
 do_user_addr_fault arch/x86/mm/fault.c:1423 [inline]
 __do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489
 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136
RIP: 0033:0x7f9ebdc11dd3
Code: Bad RIP value.
RSP: 002b:00007ffc534e2d78 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffc534e2f20 RCX: 00007f9ebdc11dd3
RDX: 0000000000000000 RSI: 00007ffc534e30d0 RDI: 000000000000000b
RBP: 00007ffc534e30d0 R08: 00007ffc534e3150 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffc534e34b0 R14: 0000000000000000 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 10173 Comm: syz-executor4 Not tainted 4.19.0+ #135
Mem-Info:
active_anon:60380 inactive_anon:131 isolated_anon:0
 active_file:12 inactive_file:14 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9083 slab_unreclaimable:1459965
 mapped:49154 shmem:138 pagetables:687 bounce:0
 free:13749 free_pcp:135 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:241520kB inactive_anon:524kB active_file:48kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 227328kB 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
 2818
 6321 6321
Node 0 
DMA32 free:25144kB min:30052kB low:37564kB high:45076kB active_anon:14336kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
lowmem_reserve[]: 0
 0 3503
 3503
Node 0 
Normal free:13944kB min:37364kB low:46704kB high:56044kB active_anon:227184kB inactive_anon:524kB active_file:48kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2748kB bounce:0kB free_pcp:292kB local_pcp:164kB 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 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
1*1024kB (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
1*8kB 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(U) 2*16kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M) 2*32kB 
(UM) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*64kB 
(M) 
4*128kB 
(M) 
3*256kB (M) 
4*512kB 
(UM) 3*1024kB 
(UM) 
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
1*2048kB (M) 
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
4*4096kB 
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
(M) 
= 25144kB
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
Node 0 
Normal: 1048*4kB 
(UMEH) 
435*8kB (UME) 
170*16kB 
(UME) 
67*32kB 
(UMEH) 
14*64kB 
(UM) 
0*128kB 0*256kB 
1*512kB 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
(H) 0*1024kB 
0*2048kB 0*4096kB 
= 13944kB
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
164 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342867 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
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+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 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 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
RSP: 0000:ffff88019c35f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801b85a4c00 RDI: 0000000000000286
RBP: ffff88019c35f7a8 R08: ffff8801b85a4380 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 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+0x1eb/0x1000
CPU: 1 PID: 1 Comm: init Not tainted 4.19.0+ #135
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+0x244/0x39d lib/dump_stack.c:113
syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor4 cpuset=
syz4
 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
 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:lock_is_held include/linux/lockdep.h:339 [inline]
RIP: 0010:list_lru_from_memcg_idx mm/list_lru.c:55 [inline]
RIP: 0010:list_lru_count_one+0x2fb/0x450 mm/list_lru.c:194
Code: c1 ea 03 80 3c 02 00 0f 85 65 01 00 00 4b 8b 5c fd 10 e9 1a ff ff ff e8 93 ba cf ff 48 8d 7b 18 be ff ff ff ff e8 f5 08 b1 ff <31> ff 41 89 c6 89 c6 e8 89 bb cf ff 45 85 f6 0f 85 bd fe ff ff e8
RSP: 0000:ffff8801d9a4e050 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff8801d8fd9300 RCX: ffffffff81ae6614
RDX: 1ffffffff12a3e8e RSI: 0000000000000000 RDI: 0000000000000286
RBP: ffff8801d9a4e0e0 R08: ffff8801d9a40040 R09: ffffed003b5e5b57
R10: ffffed003b5e5b57 R11: ffff8801daf2dabb R12: 1ffff1003b349c0b
R13: ffff8801d8971680 R14: 0000000000000000 R15: ffffffffffffffff
 list_lru_shrink_count include/linux/list_lru.h:122 [inline]
 super_cache_count+0x153/0x2e0 fs/super.c:144
 do_shrink_slab+0x1a7/0xd20 mm/vmscan.c:464
 shrink_slab+0x389/0x8c0 mm/vmscan.c:696