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
rcu: INFO: rcu_preempt self-detected stall on CPU
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
rcu: 	1-...!: (92 ticks this GP) idle=366/1/0x4000000000000004 softirq=29242/29242 fqs=1 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
rcu: 	 (t=10500 jiffies g=39321 q=10)
rcu: rcu_preempt kthread starved for 10440 jiffies! g39321 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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 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
 schedule+0xfe/0x460 kernel/sched/core.c:3517
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
 rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
 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:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:57
Code: e9 2c ff ff ff 48 89 c7 48 89 45 d8 e8 f3 07 02 fa 48 8b 45 d8 e9 ca fe ff ff 48 89 df e8 e2 07 02 fa eb 82 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 90 90 90 90 90
RSP: 0000:ffffffff89607bb8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 1ffffffff12c0f7b RCX: 0000000000000000
RDX: 1ffffffff12e4538 RSI: 0000000000000001 RDI: ffffffff897229c0
RBP: ffffffff89607bb8 R08: ffffffff89675fc0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89607c78
 kthread+0x35a/0x420 kernel/kthread.c:246
R13: ffffffff8a517860 R14: 0000000000000000 R15: 0000000000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline]
 default_idle+0xbf/0x480 arch/x86/kernel/process.c:498
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
NMI backtrace for cpu 1
 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:489
 default_idle_call+0x6d/0x90 kernel/sched/idle.c:93
 cpuidle_idle_call kernel/sched/idle.c:153 [inline]
 do_idle+0x3db/0x5b0 kernel/sched/idle.c:262
 cpu_startup_entry+0x10c/0x120 kernel/sched/idle.c:368
 rest_init+0xe2/0xe5 init/main.c:442
 start_kernel+0x8f4/0x92f init/main.c:739
 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:452
 x86_64_start_kernel+0x76/0x79 arch/x86/kernel/head64.c:433
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242
CPU: 1 PID: 16565 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #94
warn_alloc_show_mem: 1 callbacks suppressed
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Mem-Info:
Call Trace:
 <IRQ>
active_anon:41408 inactive_anon:372 isolated_anon:0
 active_file:13 inactive_file:13 isolated_file:7
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9714 slab_unreclaimable:1478830
 mapped:32963 shmem:379 pagetables:546 bounce:0
 free:13722 free_pcp:419 free_cma:0
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
Node 0 active_anon:165632kB inactive_anon:1488kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):28kB mapped:131852kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB 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 2815
 nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101
 6318 6318
Node 0 
 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
DMA32 free:25144kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:388kB local_pcp:140kB free_cma:0kB
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
lowmem_reserve[]: 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
Node 0 
 print_cpu_stall.cold.78+0x2d3/0x524 kernel/rcu/tree.c:1478
Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:165632kB inactive_anon:1488kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5312kB pagetables:2184kB bounce:0kB free_pcp:1288kB local_pcp:1020kB free_cma:0kB
lowmem_reserve[]: 0
 0
 0
 0
Node 0 DMA: 
1*4kB 
(U) 
0*8kB 
0*16kB 1*32kB 
 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
(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 
(UM) 3*8kB 
(UM) 
1*16kB 
(M) 
2*32kB 
(UM) 
3*64kB (UM) 4*128kB 
(UM) 3*256kB 
(UM) 4*512kB 
(UM) 3*1024kB 
(M) 3*2048kB (M) 
3*4096kB (M) 
= 25144kB
Node 0 
Normal: 
1055*4kB (MEH) 
442*8kB 
(UME) 183*16kB 
(ME) 82*32kB 
(UME) 9*64kB 
(UM) 0*128kB 0*256kB 
0*512kB 0*1024kB 0*2048kB 
 update_process_times+0x2d/0x70 kernel/time/timer.c:1636
0*4096kB 
 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
= 13884kB
 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
412 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
343323 pages reserved
0 pages cma reserved
 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
aoe: skb alloc failure
 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
swapper/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
swapper/0 cpuset=
/
 mems_allowed=0-63
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1685 [inline]
RIP: 0010:vprintk_emit+0x824/0x930 kernel/printk/printk.c:1925
Code: 00 00 00 00 fc ff df 41 80 3c 04 00 0f 85 c5 00 00 00 48 83 3d 74 59 0d 08 00 74 2d e8 f5 fe 19 00 48 8b bd 90 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 fe ff ff e8 dd fe 19 00 0f 0b e8 d6 fe 19 00
RSP: 0000:ffff8801dad073d0 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bda720c0 RBX: 1ffff1003b5a0e80 RCX: 1ffff10037b4e531
RDX: 0000000000000100 RSI: ffffffff8164d03b RDI: 0000000000000206
RBP: ffff8801dad07548 R08: ffff8801bda72988 R09: 0000000000000002
R10: 0000000000000000 R11: ffff8801bda720c0 R12: 1ffffffff12e4535
R13: 0000000000000200 R14: ffff8801dad07520 R15: 0000000000000000
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1967
 vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
 printk+0xa7/0xcf kernel/printk/printk.c:2000
 ndisc_alloc_skb.cold.39+0x18/0x1d net/ipv6/ndisc.c:405
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
 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: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 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73
RSP: 0000:ffff8801c5ea7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801bda72940 RDI: 0000000000000282
RBP: ffff8801c5ea77b0 R08: ffff8801bda720c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
 skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
 ____bpf_clone_redirect net/core/filter.c:2075 [inline]
 bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
 bpf_prog_f3992c9c006d27a6+0xb43/0x1000
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.0-rc2+ #94
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
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor2 cpuset=
syz2
 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+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:995 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
 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:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:57
Code: e9 2c ff ff ff 48 89 c7 48 89 45 d8 e8 f3 07 02 fa 48 8b 45 d8 e9 ca fe ff ff 48 89 df e8 e2 07 02 fa eb 82 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 90 90 90 90 90
RSP: 0000:ffffffff89607bb8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 1ffffffff12c0f7b RCX: 0000000000000000
RDX: 1ffffffff12e4538 RSI: 0000000000000001 RDI: ffffffff897229c0
RBP: ffffffff89607bb8 R08: ffffffff89675fc0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89607c78
R13: ffffffff8a517860 R14: 0000000000000000 R15: 0000000000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline]
 default_idle+0xbf/0x480 arch/x86/kernel/process.c:498
 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:489
 default_idle_call+0x6d/0x90 kernel/sched/idle.c:93
 cpuidle_idle_call kernel/sched/idle.c:153 [inline]
 do_idle+0x3db/0x5b0 kernel/sched/idle.c:262
 cpu_startup_entry+0x10c/0x120 kernel/sched/idle.c:368
 rest_init+0xe2/0xe5 init/main.c:442
 start_kernel+0x8f4/0x92f init/main.c:739
 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:452
 x86_64_start_kernel+0x76/0x79 arch/x86/kernel/head64.c:433
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242
CPU: 1 PID: 16565 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #94
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
swapper/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
swapper/0 cpuset=
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
/
 mems_allowed=0-63
 warn_alloc.cold.118+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:995 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
 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: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 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73
RSP: 0000:ffff8801c5ea7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801bda72940 RDI: 0000000000000282
RBP: ffff8801c5ea77b0 R08: ffff8801bda720c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
 skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
 ____bpf_clone_redirect net/core/filter.c:2075 [inline]
 bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
 bpf_prog_f3992c9c006d27a6+0xb43/0x1000
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.0-rc2+ #94
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-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
syz-executor2 cpuset=
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz2
 mems_allowed=0
 warn_alloc.cold.118+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:995 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
 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:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:57
Code: e9 2c ff ff ff 48 89 c7 48 89 45 d8 e8 f3 07 02 fa 48 8b 45 d8 e9 ca fe ff ff 48 89 df e8 e2 07 02 fa eb 82 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 90 90 90 90 90
RSP: 0000:ffffffff89607bb8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 1ffffffff12c0f7b RCX: 0000000000000000
RDX: 1ffffffff12e4538 RSI: 0000000000000001 RDI: ffffffff897229c0
RBP: ffffffff89607bb8 R08: ffffffff89675fc0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89607c78
R13: ffffffff8a517860 R14: 0000000000000000 R15: 0000000000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline]
 default_idle+0xbf/0x480 arch/x86/kernel/process.c:498
 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:489
 default_idle_call+0x6d/0x90 kernel/sched/idle.c:93
 cpuidle_idle_call kernel/sched/idle.c:153 [inline]
 do_idle+0x3db/0x5b0 kernel/sched/idle.c:262
 cpu_startup_entry+0x10c/0x120 kernel/sched/idle.c:368
 rest_init+0xe2/0xe5 init/main.c:442
 start_kernel+0x8f4/0x92f init/main.c:739
 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:452
 x86_64_start_kernel+0x76/0x79 arch/x86/kernel/head64.c:433
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242
warn_alloc_show_mem: 2 callbacks suppressed
CPU: 1 PID: 16565 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #94
Mem-Info:
active_anon:41408 inactive_anon:372 isolated_anon:0
 active_file:13 inactive_file:13 isolated_file:7
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9714 slab_unreclaimable:1478830
 mapped:32963 shmem:379 pagetables:546 bounce:0
 free:13722 free_pcp:419 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:165632kB inactive_anon:1488kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):28kB mapped:131852kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB 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+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]: 0
 2815 6318
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
 6318
Node 0 
DMA32 free:25144kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:388kB local_pcp:140kB free_cma:0kB
lowmem_reserve[]:
 0 0
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
 3503 3503
Node 0 
Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:165632kB inactive_anon:1488kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5312kB pagetables:2184kB bounce:0kB free_pcp:1288kB local_pcp:1020kB 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 
(UM) 
3*8kB 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(UM) 
1*16kB (M) 
2*32kB (UM) 3*64kB 
(UM) 4*128kB 
(UM) 3*256kB 
(UM) 
4*512kB 
(UM) 3*1024kB 
 __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) 3*2048kB 
(M) 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
3*4096kB 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M) = 25144kB
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
Node 0 
Normal: 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
1055*4kB (MEH) 
442*8kB (UME) 
183*16kB (ME) 
82*32kB (UME) 
9*64kB (UM) 
0*128kB 
0*256kB 0*512kB 
0*1024kB 
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
0*2048kB 0*4096kB 
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
= 13884kB
 addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
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
412 total pagecache pages
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
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
343323 pages reserved
0 pages cma reserved
aoe: skb alloc failure
swapper/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
swapper/0 cpuset=
/
 mems_allowed=0-63
 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: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 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73
RSP: 0000:ffff8801c5ea7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801bda72940 RDI: 0000000000000282
RBP: ffff8801c5ea77b0 R08: ffff8801bda720c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
 skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
 ____bpf_clone_redirect net/core/filter.c:2075 [inline]
 bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
 bpf_prog_f3992c9c006d27a6+0xb43/0x1000
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.0-rc2+ #94
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
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor2 cpuset=
syz2
 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:995 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
 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:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:57
Code: e9 2c ff ff ff 48 89 c7 48 89 45 d8 e8 f3 07 02 fa 48 8b 45 d8 e9 ca fe ff ff 48 89 df e8 e2 07 02 fa eb 82 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 90 90 90 90 90
RSP: 0000:ffffffff89607bb8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 1ffffffff12c0f7b RCX: 0000000000000000
RDX: 1ffffffff12e4538 RSI: 0000000000000001 RDI: ffffffff897229c0
RBP: ffffffff89607bb8 R08: ffffffff89675fc0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89607c78
R13: ffffffff8a517860 R14: 0000000000000000 R15: 0000000000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline]
 default_idle+0xbf/0x480 arch/x86/kernel/process.c:498
 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:489
 default_idle_call+0x6d/0x90 kernel/sched/idle.c:93
 cpuidle_idle_call kernel/sched/idle.c:153 [inline]
 do_idle+0x3db/0x5b0 kernel/sched/idle.c:262
 cpu_startup_entry+0x10c/0x120 kernel/sched/idle.c:368
 rest_init+0xe2/0xe5 init/main.c:442
 start_kernel+0x8f4/0x92f init/main.c:739
 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:452
 x86_64_start_kernel+0x76/0x79 arch/x86/kernel/head64.c:433
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 16565 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #94
Mem-Info:
active_anon:41408 inactive_anon:372 isolated_anon:0
 active_file:13 inactive_file:13 isolated_file:7
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9714 slab_unreclaimable:1478830
 mapped:32963 shmem:379 pagetables:546 bounce:0
 free:13722 free_pcp:419 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:165632kB inactive_anon:1488kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):28kB mapped:131852kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB 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.118+0xb7/0x1bd mm/page_alloc.c:3426
 2815 6318
 6318
Node 0 
DMA32 free:25144kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:388kB local_pcp:140kB free_cma:0kB
lowmem_reserve[]: 0
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
 0 3503
 3503
Node 0 
Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:165632kB inactive_anon:1488kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5312kB pagetables:2184kB bounce:0kB free_pcp:1288kB local_pcp:1020kB 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 
(UM) 
3*8kB (UM) 
1*16kB (M) 
2*32kB (UM) 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
3*64kB (UM) 
4*128kB (UM) 
3*256kB (UM) 
4*512kB (UM) 
3*1024kB (M) 
3*2048kB 
(M) 3*4096kB 
(M) = 25144kB
 __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
Node 0 
Normal: 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
1055*4kB 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(MEH) 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
442*8kB (UME) 
183*16kB (ME) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
82*32kB (UME) 
9*64kB 
(UM) 0*128kB 
0*256kB 0*512kB 
0*1024kB 0*2048kB 
0*4096kB = 13884kB
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
412 total pagecache pages
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
0 pages in swap cache
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
Swap cache stats: add 0, delete 0, find 0/0
 addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
0 pages HighMem/MovableOnly
343323 pages reserved
0 pages cma reserved
aoe: skb alloc failure
swapper/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
swapper/0 cpuset=
/
 mems_allowed=0-63
 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: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 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73
RSP: 0000:ffff8801c5ea7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801bda72940 RDI: 0000000000000282
RBP: ffff8801c5ea77b0 R08: ffff8801bda720c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
 skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
 ____bpf_clone_redirect net/core/filter.c:2075 [inline]
 bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
 bpf_prog_f3992c9c006d27a6+0xb43/0x1000
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.0-rc2+ #94
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
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor2 cpuset=
syz2
 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:995 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
 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:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:57
Code: e9 2c ff ff ff 48 89 c7 48 89 45 d8 e8 f3 07 02 fa 48 8b 45 d8 e9 ca fe ff ff 48 89 df e8 e2 07 02 fa eb 82 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 90 90 90 90 90
RSP: 0000:ffffffff89607bb8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 1ffffffff12c0f7b RCX: 0000000000000000
RDX: 1ffffffff12e4538 RSI: 0000000000000001 RDI: ffffffff897229c0
RBP: ffffffff89607bb8 R08: ffffffff89675fc0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89607c78
R13: ffffffff8a517860 R14: 0000000000000000 R15: 0000000000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline]
 default_idle+0xbf/0x480 arch/x86/kernel/process.c:498
 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:489
 default_idle_call+0x6d/0x90 kernel/sched/idle.c:93
 cpuidle_idle_call kernel/sched/idle.c:153 [inline]
 do_idle+0x3db/0x5b0 kernel/sched/idle.c:262
 cpu_startup_entry+0x10c/0x120 kernel/sched/idle.c:368
 rest_init+0xe2/0xe5 init/main.c:442
 start_kernel+0x8f4/0x92f init/main.c:739
 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:452
 x86_64_start_kernel+0x76/0x79 arch/x86/kernel/head64.c:433
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 16565 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #94
Mem-Info:
active_anon:41408 inactive_anon:372 isolated_anon:0
 active_file:13 inactive_file:13 isolated_file:7
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9714 slab_unreclaimable:1478830
 mapped:32963 shmem:379 pagetables:546 bounce:0
 free:13722 free_pcp:419 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:165632kB inactive_anon:1488kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):28kB mapped:131852kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB 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+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]:
 0 2815
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
 6318 6318
Node 0 
DMA32 free:25144kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:388kB local_pcp:140kB free_cma:0kB
lowmem_reserve[]: 0
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
 0 3503
 3503
Node 0 
Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:165632kB inactive_anon:1488kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5312kB pagetables:2184kB bounce:0kB free_pcp:1288kB local_pcp:1020kB 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: 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
4*4kB 
(UM) 
3*8kB 
(UM) 1*16kB 
(M) 
2*32kB (UM) 
3*64kB 
(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+0x91/0x8c0 mm/slab.c:2677
4*128kB (UM) 
3*256kB 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UM) 4*512kB 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(UM) 3*1024kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M) 3*2048kB 
(M) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*4096kB (M) 
= 25144kB
Node 0 
Normal: 1055*4kB 
(MEH) 
442*8kB (UME) 
183*16kB (ME) 
82*32kB (UME) 
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
9*64kB (UM) 
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
0*128kB 0*256kB 
 addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
0*512kB 0*1024kB 
0*2048kB 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
0*4096kB = 13884kB
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
412 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
343323 pages reserved
0 pages cma reserved
aoe: skb alloc failure
swapper/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
swapper/0 cpuset=
/
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 mems_allowed=0-63
 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: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 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73