RDX: 0000000000000000 RSI: 00007ffd23f0edb0 RDI: 000000000000000b
RBP: 00007ffd23f0edb0 R08: 00007ffd23f0ee30 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffd23f0f190 R14: 0000000000000000 R15: 0000000000000000
CPU: 0 PID: 20664 Comm: syz-executor2 Not tainted 4.20.0+ #3
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:
rcu: 	(detected by 1, t=10680 jiffies, g=55125, q=6)
 <IRQ>
rcu: All QSes seen, last rcu_preempt kthread activity 10676 (4295001558-4294990882), jiffies_till_next_fqs=1, root ->qsmask 0x0
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
init            R  running task    19184     1      0 0x8000000a
Call Trace:
 <IRQ>
 warn_alloc.cold+0xb6/0x1bc mm/page_alloc.c:3423
 sched_show_task kernel/sched/core.c:5293 [inline]
 sched_show_task.cold+0x273/0x2d5 kernel/sched/core.c:5268
 __alloc_pages_slowpath+0x24e1/0x2cd0 mm/page_alloc.c:4291
 print_other_cpu_stall.cold+0x7f2/0x8bb kernel/rcu/tree.c:1301
 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393
 check_cpu_stall kernel/rcu/tree.c:1429 [inline]
 rcu_pending kernel/rcu/tree.c:3018 [inline]
 rcu_check_callbacks+0xf36/0x1380 kernel/rcu/tree.c:2521
 __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+0x9c/0x8c0 mm/slab.c:2677
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3219
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3642
 __alloc_skb+0xf4/0x730 net/core/skbuff.c:196
 update_process_times+0x32/0x80 kernel/time/timer.c:1635
 tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:161
 tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1271
 __run_hrtimer kernel/time/hrtimer.c:1389 [inline]
 __hrtimer_run_queues+0x3a7/0x1050 kernel/time/hrtimer.c:1451
 alloc_skb include/linux/skbuff.h:1011 [inline]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x32d/0x6d0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3840
 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325
 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1509
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline]
 smp_apic_timer_interrupt+0x18d/0x760 arch/x86/kernel/apic/apic.c:1060
 expire_timers kernel/time/timer.c:1362 [inline]
 __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:766 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node+0x248/0x710 mm/slab.c:3642
Code: 3d 7e 0f 85 31 ff ff ff e8 3c 20 3c ff e9 27 ff ff ff e8 cb 6b c3 ff 48 83 3d 33 f4 cd 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 be fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 7a dd
RSP: 0000:ffff8880ae707678 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff110153c0530
RDX: 0000000000000000 RSI: ffff8880a9e02988 RDI: 0000000000000282
RBP: ffff8880ae7076e8 R08: 0000000000000002 R09: ffff8880a9e02980
R10: ffff8880a9e02040 R11: 0000000000000000 R12: ffff88821b7080c0
R13: ffff88821b7080c0 R14: 0000000000000000 R15: 0000000000000282
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694
 __alloc_skb+0xf4/0x730 net/core/skbuff.c:196
 __do_softirq+0x30b/0xb11 kernel/softirq.c:292
 alloc_skb include/linux/skbuff.h:1011 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x299/0x810 drivers/block/aoe/aoecmd.c:1381
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:766 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x250/0x720 mm/slab.c:3661
Code: 7e 0f 85 34 ff ff ff e8 05 ec 3b ff e9 2a ff ff ff e8 94 37 c3 ff 48 83 3d fc bf cd 07 00 0f 84 34 01 00 00 48 8b 7d c0 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 7a dd
RSP: 0000:ffff888063c874a0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888068514940 RDI: 0000000000000282
 expire_timers kernel/time/timer.c:1362 [inline]
 __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681
RBP: ffff888063c87518 R08: ffff8880685140c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88812c3f0ac0
R13: ffff88812c3f0ac0 R14: 0000000000000000 R15: 0000000000480020
 __do_kmalloc_node mm/slab.c:3683 [inline]
 __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3698
 __kmalloc_reserve.isra.0+0xcb/0xe0 net/core/skbuff.c:148
 pskb_expand_head+0x1f6/0x1080 net/core/skbuff.c:1465
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694
 __do_softirq+0x30b/0xb11 kernel/softirq.c:292
 skb_ensure_writable net/core/skbuff.c:5146 [inline]
 skb_ensure_writable+0x3dc/0x650 net/core/skbuff.c:5138
 __bpf_try_make_writable net/core/filter.c:1635 [inline]
 bpf_try_make_writable net/core/filter.c:1641 [inline]
 bpf_try_make_head_writable net/core/filter.c:1649 [inline]
 ____bpf_clone_redirect net/core/filter.c:2086 [inline]
 bpf_clone_redirect+0x135/0x470 net/core/filter.c:2064
 bpf_prog_88483476fbe68a28+0x139/0x1000
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:super_cache_count+0x135/0x2e0 fs/super.c:144
Code: e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5f 01 00 00 49 8d 5e 18 41 8b 76 04 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 01 00 00 49 8b 56 18 4c 89 cf 49 81 c5 c8 00
RSP: 0000:ffff8880a9e0e8a8 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffff8880a9e0eb48 RCX: ffffffff81d12cf6
RDX: 1ffff110153c1d69 RSI: 0000000000000001 RDI: ffffffff88582798
RBP: ffff8880a9e0e8e0 R08: ffff8880a9e02040 R09: ffff8880a5d7cd00
R10: 0000000000000000 R11: ffff8880ae72dc7b R12: 0000000000000000
R13: ffff8880a5d7cc78 R14: ffff8880a9e0eb30 R15: ffff8880a9e0eb34
 do_shrink_slab+0x18b/0xd30 mm/vmscan.c:466
 shrink_slab mm/vmscan.c:707 [inline]
 shrink_slab+0x6bb/0x8c0 mm/vmscan.c:687
 shrink_node+0x41f/0x1690 mm/vmscan.c:2759
 shrink_zones mm/vmscan.c:2988 [inline]
 do_try_to_free_pages+0x3e2/0x1280 mm/vmscan.c:3050
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:55396 inactive_anon:194 isolated_anon:0
 active_file:14 inactive_file:17 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:11004 slab_unreclaimable:1456456
 mapped:32770 shmem:244 pagetables:548 bounce:0
 free:10961 free_pcp:65 free_cma:0
 try_to_free_pages+0x4b9/0xb70 mm/vmscan.c:3265
Node 0 active_anon:221400kB inactive_anon:776kB active_file:48kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 198656kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 1 active_anon:184kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 DMA free:10224kB min:220kB low:272kB high:324kB 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 2535 2537 2537
Node 0 DMA32 free:13460kB min:36080kB low:45100kB high:54120kB active_anon:221400kB inactive_anon:776kB active_file:48kB inactive_file:72kB unevictable:0kB writepending:0kB present:3129332kB managed:2599656kB mlocked:0kB kernel_stack:7008kB pagetables:2192kB bounce:0kB free_pcp:40kB local_pcp:40kB free_cma:0kB
lowmem_reserve[]: 0 0 2 2
Node 0 Normal free:8kB min:28kB low:32kB high:36kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2204kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __perform_reclaim mm/page_alloc.c:3773 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3795 [inline]
 __alloc_pages_slowpath+0x9c7/0x2cd0 mm/page_alloc.c:4185
lowmem_reserve[]: 0 0 0 0
Node 1 Normal free:20152kB min:53780kB low:67224kB high:80668kB active_anon:184kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 1*32kB (U) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10224kB
Node 0 DMA32: 1143*4kB (MEH) 545*8kB (UME) 129*16kB (ME) 35*32kB (UME) 3*64kB (U) 1*128kB (U) 2*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13460kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 10*4kB (UMEH) 8*8kB (ME) 7*16kB (UME) 3*32kB (M) 6*64kB (UME) 6*128kB (MEH) 3*256kB (UM) 3*512kB (UEH) 4*1024kB (UME) 0*2048kB 3*4096kB (M) = 20152kB
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
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
273 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
343991 pages reserved
0 pages cma reserved
 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc mm/filemap.c:924 [inline]
 __page_cache_alloc+0x3cd/0x620 mm/filemap.c:909
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor2 cpuset=syz2 mems_allowed=0-1
CPU: 0 PID: 20664 Comm: syz-executor2 Not tainted 4.20.0+ #3
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+0x1db/0x2d0 lib/dump_stack.c:113
 page_cache_read mm/filemap.c:2312 [inline]
 filemap_fault+0x1387/0x2640 mm/filemap.c:2496
 warn_alloc.cold+0xb6/0x1bc mm/page_alloc.c:3423
 __alloc_pages_slowpath+0x24e1/0x2cd0 mm/page_alloc.c:4291
 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6292
 __do_fault+0xed/0x670 mm/memory.c:2996
 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393
 do_read_fault mm/memory.c:3408 [inline]
 do_fault mm/memory.c:3534 [inline]
 handle_pte_fault mm/memory.c:3765 [inline]
 __handle_mm_fault+0x37be/0x56d0 mm/memory.c:3889
 __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+0x9c/0x8c0 mm/slab.c:2677
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3219
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3642
 handle_mm_fault+0x4ec/0xc80 mm/memory.c:3926
 __alloc_skb+0xf4/0x730 net/core/skbuff.c:196
 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline]
 __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541
 do_page_fault+0xe6/0x7d8 arch/x86/mm/fault.c:1572
 alloc_skb include/linux/skbuff.h:1011 [inline]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x32d/0x6d0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3840
 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143
RIP: 0033:0x7fe52db21dd3
Code: Bad RIP value.
RSP: 002b:00007ffd23f0ea58 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffd23f0ec00 RCX: 00007fe52db21dd3
RDX: 0000000000000000 RSI: 00007ffd23f0edb0 RDI: 000000000000000b
RBP: 00007ffd23f0edb0 R08: 00007ffd23f0ee30 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffd23f0f190 R14: 0000000000000000 R15: 0000000000000000
 expire_timers kernel/time/timer.c:1362 [inline]
 __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681
rcu: rcu_preempt kthread starved for 10676 jiffies! g55125 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R  running task    25560    10      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2831 [inline]
 __schedule+0x897/0x1e90 kernel/sched/core.c:3472
 schedule+0x105/0x420 kernel/sched/core.c:3516
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694
 schedule_timeout+0x14a/0x250 kernel/time/timer.c:1803
 __do_softirq+0x30b/0xb11 kernel/softirq.c:292
 rcu_gp_fqs_loop+0x6ba/0x970 kernel/rcu/tree.c:1948
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 rcu_gp_kthread+0x2bb/0xc10 kernel/rcu/tree.c:2105
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:766 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x250/0x720 mm/slab.c:3661
Code: 7e 0f 85 34 ff ff ff e8 05 ec 3b ff e9 2a ff ff ff e8 94 37 c3 ff 48 83 3d fc bf cd 07 00 0f 84 34 01 00 00 48 8b 7d c0 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 7a dd
RSP: 0000:ffff888063c874a0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888068514940 RDI: 0000000000000282
RBP: ffff888063c87518 R08: ffff8880685140c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88812c3f0ac0
R13: ffff88812c3f0ac0 R14: 0000000000000000 R15: 0000000000480020
 __do_kmalloc_node mm/slab.c:3683 [inline]
 __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3698
 __kmalloc_reserve.isra.0+0xcb/0xe0 net/core/skbuff.c:148
 pskb_expand_head+0x1f6/0x1080 net/core/skbuff.c:1465
 kthread+0x357/0x430 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
 skb_ensure_writable net/core/skbuff.c:5146 [inline]
 skb_ensure_writable+0x3dc/0x650 net/core/skbuff.c:5138
aoe: skb alloc failure
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
init cpuset=/ mems_allowed=0-1
 __bpf_try_make_writable net/core/filter.c:1635 [inline]
 bpf_try_make_writable net/core/filter.c:1641 [inline]
 bpf_try_make_head_writable net/core/filter.c:1649 [inline]
 ____bpf_clone_redirect net/core/filter.c:2086 [inline]
 bpf_clone_redirect+0x135/0x470 net/core/filter.c:2064
 bpf_prog_88483476fbe68a28+0x139/0x1000
CPU: 1 PID: 1 Comm: init Not tainted 4.20.0+ #3
Mem-Info:
active_anon:55396 inactive_anon:194 isolated_anon:0
 active_file:14 inactive_file:17 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:11004 slab_unreclaimable:1456456
 mapped:32770 shmem:244 pagetables:548 bounce:0
 free:10961 free_pcp:65 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:221400kB inactive_anon:776kB active_file:48kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 198656kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:184kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 DMA free:10224kB min:220kB low:272kB high:324kB 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+0x1db/0x2d0 lib/dump_stack.c:113
lowmem_reserve[]: 0 2535 2537 2537
Node 0 DMA32 free:13460kB min:36080kB low:45100kB high:54120kB active_anon:221400kB inactive_anon:776kB active_file:48kB inactive_file:72kB unevictable:0kB writepending:0kB present:3129332kB managed:2599656kB mlocked:0kB kernel_stack:7008kB pagetables:2192kB bounce:0kB free_pcp:40kB local_pcp:40kB free_cma:0kB
lowmem_reserve[]: 0 0 2 2
 warn_alloc.cold+0xb6/0x1bc mm/page_alloc.c:3423
Node 0 Normal free:8kB min:28kB low:32kB high:36kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2204kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 1 Normal free:20152kB min:53780kB low:67224kB high:80668kB active_anon:184kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 1*32kB (U) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10224kB
 __alloc_pages_slowpath+0x24e1/0x2cd0 mm/page_alloc.c:4291
Node 0 DMA32: 1143*4kB (MEH) 545*8kB (UME) 129*16kB (ME) 35*32kB (UME) 3*64kB (U) 1*128kB (U) 2*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13460kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 10*4kB (UMEH) 8*8kB (ME) 7*16kB (UME) 3*32kB (M) 6*64kB (UME) 6*128kB (MEH) 3*256kB (UM) 3*512kB (UEH) 4*1024kB (UME) 0*2048kB 3*4096kB (M) = 20152kB
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
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
273 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
 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393
0 pages HighMem/MovableOnly
343991 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor2 cpuset=syz2 mems_allowed=0-1
 __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+0x9c/0x8c0 mm/slab.c:2677
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3219
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3642
 __alloc_skb+0xf4/0x730 net/core/skbuff.c:196
 alloc_skb include/linux/skbuff.h:1011 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x299/0x810 drivers/block/aoe/aoecmd.c:1381
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325
 expire_timers kernel/time/timer.c:1362 [inline]
 __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694
 __do_softirq+0x30b/0xb11 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:super_cache_count+0x135/0x2e0 fs/super.c:144
Code: e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5f 01 00 00 49 8d 5e 18 41 8b 76 04 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 01 00 00 49 8b 56 18 4c 89 cf 49 81 c5 c8 00
RSP: 0000:ffff8880a9e0e8a8 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffff8880a9e0eb48 RCX: ffffffff81d12cf6
RDX: 1ffff110153c1d69 RSI: 0000000000000001 RDI: ffffffff88582798
RBP: ffff8880a9e0e8e0 R08: ffff8880a9e02040 R09: ffff8880a5d7cd00
R10: 0000000000000000 R11: ffff8880ae72dc7b R12: 0000000000000000
R13: ffff8880a5d7cc78 R14: ffff8880a9e0eb30 R15: ffff8880a9e0eb34
 do_shrink_slab+0x18b/0xd30 mm/vmscan.c:466
 shrink_slab mm/vmscan.c:707 [inline]
 shrink_slab+0x6bb/0x8c0 mm/vmscan.c:687
 shrink_node+0x41f/0x1690 mm/vmscan.c:2759
 shrink_zones mm/vmscan.c:2988 [inline]
 do_try_to_free_pages+0x3e2/0x1280 mm/vmscan.c:3050
 try_to_free_pages+0x4b9/0xb70 mm/vmscan.c:3265
 __perform_reclaim mm/page_alloc.c:3773 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3795 [inline]
 __alloc_pages_slowpath+0x9c7/0x2cd0 mm/page_alloc.c:4185
 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393
 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc mm/filemap.c:924 [inline]
 __page_cache_alloc+0x3cd/0x620 mm/filemap.c:909
 page_cache_read mm/filemap.c:2312 [inline]
 filemap_fault+0x1387/0x2640 mm/filemap.c:2496
 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6292
 __do_fault+0xed/0x670 mm/memory.c:2996
 do_read_fault mm/memory.c:3408 [inline]
 do_fault mm/memory.c:3534 [inline]
 handle_pte_fault mm/memory.c:3765 [inline]
 __handle_mm_fault+0x37be/0x56d0 mm/memory.c:3889
 handle_mm_fault+0x4ec/0xc80 mm/memory.c:3926
 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline]
 __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541
 do_page_fault+0xe6/0x7d8 arch/x86/mm/fault.c:1572
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143
RIP: 0033:0x7fe52db21dd3
Code: Bad RIP value.
RSP: 002b:00007ffd23f0ea58 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffd23f0ec00 RCX: 00007fe52db21dd3
RDX: 0000000000000000 RSI: 00007ffd23f0edb0 RDI: 000000000000000b
RBP: 00007ffd23f0edb0 R08: 00007ffd23f0ee30 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffd23f0f190 R14: 0000000000000000 R15: 0000000000000000
CPU: 0 PID: 20664 Comm: syz-executor2 Not tainted 4.20.0+ #3
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
init cpuset=/ mems_allowed=0-1
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
 warn_alloc.cold+0xb6/0x1bc mm/page_alloc.c:3423
 __alloc_pages_slowpath+0x24e1/0x2cd0 mm/page_alloc.c:4291
 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393
 __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+0x9c/0x8c0 mm/slab.c:2677
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3219
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3287
 __do_cache_alloc mm/slab.c:3356 [inline]
 slab_alloc mm/slab.c:3384 [inline]
 kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3552
 __build_skb+0xaf/0x430 net/core/skbuff.c:284
 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:425
 netdev_alloc_skb include/linux/skbuff.h:2682 [inline]
 dev_alloc_skb include/linux/skbuff.h:2695 [inline]
 send_hsr_supervision_frame+0x110/0xf20 net/hsr/hsr_device.c:266
 hsr_announce+0x12f/0x430 net/hsr/hsr_device.c:349
 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325
 expire_timers kernel/time/timer.c:1362 [inline]
 __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694
 __do_softirq+0x30b/0xb11 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:766 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x250/0x720 mm/slab.c:3661
Code: 7e 0f 85 34 ff ff ff e8 05 ec 3b ff e9 2a ff ff ff e8 94 37 c3 ff 48 83 3d fc bf cd 07 00 0f 84 34 01 00 00 48 8b 7d c0 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 7a dd
RSP: 0000:ffff888063c874a0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888068514940 RDI: 0000000000000282
RBP: ffff888063c87518 R08: ffff8880685140c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88812c3f0ac0
R13: ffff88812c3f0ac0 R14: 0000000000000000 R15: 0000000000480020
 __do_kmalloc_node mm/slab.c:3683 [inline]
 __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3698
 __kmalloc_reserve.isra.0+0xcb/0xe0 net/core/skbuff.c:148
 pskb_expand_head+0x1f6/0x1080 net/core/skbuff.c:1465
 skb_ensure_writable net/core/skbuff.c:5146 [inline]
 skb_ensure_writable+0x3dc/0x650 net/core/skbuff.c:5138
 __bpf_try_make_writable net/core/filter.c:1635 [inline]
 bpf_try_make_writable net/core/filter.c:1641 [inline]
 bpf_try_make_head_writable net/core/filter.c:1649 [inline]
 ____bpf_clone_redirect net/core/filter.c:2086 [inline]
 bpf_clone_redirect+0x135/0x470 net/core/filter.c:2064
 bpf_prog_88483476fbe68a28+0x139/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 1 Comm: init Not tainted 4.20.0+ #3
Mem-Info:
active_anon:55396 inactive_anon:194 isolated_anon:0
 active_file:14 inactive_file:17 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:11004 slab_unreclaimable:1456456
 mapped:32770 shmem:244 pagetables:548 bounce:0
 free:10961 free_pcp:65 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:221400kB inactive_anon:776kB active_file:48kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 198656kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:184kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 DMA free:10224kB min:220kB low:272kB high:324kB 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+0x1db/0x2d0 lib/dump_stack.c:113
lowmem_reserve[]: 0 2535 2537 2537
Node 0 DMA32 free:13460kB min:36080kB low:45100kB high:54120kB active_anon:221400kB inactive_anon:776kB active_file:48kB inactive_file:72kB unevictable:0kB writepending:0kB present:3129332kB managed:2599656kB mlocked:0kB kernel_stack:7008kB pagetables:2192kB bounce:0kB free_pcp:40kB local_pcp:40kB free_cma:0kB
lowmem_reserve[]: 0 0 2 2
 warn_alloc.cold+0xb6/0x1bc mm/page_alloc.c:3423
Node 0 Normal free:8kB min:28kB low:32kB high:36kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2204kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 1 Normal free:20152kB min:53780kB low:67224kB high:80668kB active_anon:184kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 1*32kB (U) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10224kB
 __alloc_pages_slowpath+0x24e1/0x2cd0 mm/page_alloc.c:4291
Node 0 DMA32: 1143*4kB (MEH) 545*8kB (UME) 129*16kB (ME) 35*32kB (UME) 3*64kB (U) 1*128kB (U) 2*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13460kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 10*4kB (UMEH) 8*8kB (ME) 7*16kB (UME) 3*32kB (M) 6*64kB (UME) 6*128kB (MEH) 3*256kB (UM) 3*512kB (UEH) 4*1024kB (UME) 0*2048kB 3*4096kB (M) = 20152kB
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
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
273 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
343991 pages reserved
0 pages cma reserved
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor2 cpuset=syz2 mems_allowed=0-1
 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393
 __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+0x9c/0x8c0 mm/slab.c:2677
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3219
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3642
 __alloc_skb+0xf4/0x730 net/core/skbuff.c:196
 alloc_skb include/linux/skbuff.h:1011 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x299/0x810 drivers/block/aoe/aoecmd.c:1381
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325
 expire_timers kernel/time/timer.c:1362 [inline]
 __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694
 __do_softirq+0x30b/0xb11 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:super_cache_count+0x135/0x2e0 fs/super.c:144
Code: e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5f 01 00 00 49 8d 5e 18 41 8b 76 04 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 01 00 00 49 8b 56 18 4c 89 cf 49 81 c5 c8 00
RSP: 0000:ffff8880a9e0e8a8 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffff8880a9e0eb48 RCX: ffffffff81d12cf6
RDX: 1ffff110153c1d69 RSI: 0000000000000001 RDI: ffffffff88582798
RBP: ffff8880a9e0e8e0 R08: ffff8880a9e02040 R09: ffff8880a5d7cd00
R10: 0000000000000000 R11: ffff8880ae72dc7b R12: 0000000000000000
R13: ffff8880a5d7cc78 R14: ffff8880a9e0eb30 R15: ffff8880a9e0eb34
 do_shrink_slab+0x18b/0xd30 mm/vmscan.c:466
 shrink_slab mm/vmscan.c:707 [inline]
 shrink_slab+0x6bb/0x8c0 mm/vmscan.c:687
 shrink_node+0x41f/0x1690 mm/vmscan.c:2759
 shrink_zones mm/vmscan.c:2988 [inline]
 do_try_to_free_pages+0x3e2/0x1280 mm/vmscan.c:3050
 try_to_free_pages+0x4b9/0xb70 mm/vmscan.c:3265
 __perform_reclaim mm/page_alloc.c:3773 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3795 [inline]
 __alloc_pages_slowpath+0x9c7/0x2cd0 mm/page_alloc.c:4185
 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393
 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc mm/filemap.c:924 [inline]
 __page_cache_alloc+0x3cd/0x620 mm/filemap.c:909
 page_cache_read mm/filemap.c:2312 [inline]
 filemap_fault+0x1387/0x2640 mm/filemap.c:2496
 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6292
 __do_fault+0xed/0x670 mm/memory.c:2996
 do_read_fault mm/memory.c:3408 [inline]
 do_fault mm/memory.c:3534 [inline]
 handle_pte_fault mm/memory.c:3765 [inline]
 __handle_mm_fault+0x37be/0x56d0 mm/memory.c:3889
 handle_mm_fault+0x4ec/0xc80 mm/memory.c:3926
 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline]
 __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541
 do_page_fault+0xe6/0x7d8 arch/x86/mm/fault.c:1572
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143
RIP: 0033:0x7fe52db21dd3
Code: Bad RIP value.
RSP: 002b:00007ffd23f0ea58 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffd23f0ec00 RCX: 00007fe52db21dd3
RDX: 0000000000000000 RSI: 00007ffd23f0edb0 RDI: 000000000000000b
RBP: 00007ffd23f0edb0 R08: 00007ffd23f0ee30 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffd23f0f190 R14: 0000000000000000 R15: 0000000000000000
CPU: 0 PID: 20664 Comm: syz-executor2 Not tainted 4.20.0+ #3
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
init cpuset=/ mems_allowed=0-1
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
 warn_alloc.cold+0xb6/0x1bc mm/page_alloc.c:3423
 __alloc_pages_slowpath+0x24e1/0x2cd0 mm/page_alloc.c:4291
 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393
 __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+0x9c/0x8c0 mm/slab.c:2677
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3219
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3642
 __alloc_skb+0xf4/0x730 net/core/skbuff.c:196
 alloc_skb include/linux/skbuff.h:1011 [inline]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x32d/0x6d0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3840
 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325
 expire_timers kernel/time/timer.c:1362 [inline]
 __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694
 __do_softirq+0x30b/0xb11 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:766 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x250/0x720 mm/slab.c:3661
Code: 7e 0f 85 34 ff ff ff e8 05 ec 3b ff e9 2a ff ff ff e8 94 37 c3 ff 48 83 3d fc bf cd 07 00 0f 84 34 01 00 00 48 8b 7d c0 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 7a dd
RSP: 0000:ffff888063c874a0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888068514940 RDI: 0000000000000282
RBP: ffff888063c87518 R08: ffff8880685140c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88812c3f0ac0
R13: ffff88812c3f0ac0 R14: 0000000000000000 R15: 0000000000480020
 __do_kmalloc_node mm/slab.c:3683 [inline]
 __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3698
 __kmalloc_reserve.isra.0+0xcb/0xe0 net/core/skbuff.c:148
 pskb_expand_head+0x1f6/0x1080 net/core/skbuff.c:1465
 skb_ensure_writable net/core/skbuff.c:5146 [inline]
 skb_ensure_writable+0x3dc/0x650 net/core/skbuff.c:5138
 __bpf_try_make_writable net/core/filter.c:1635 [inline]
 bpf_try_make_writable net/core/filter.c:1641 [inline]
 bpf_try_make_head_writable net/core/filter.c:1649 [inline]
 ____bpf_clone_redirect net/core/filter.c:2086 [inline]
 bpf_clone_redirect+0x135/0x470 net/core/filter.c:2064
 bpf_prog_88483476fbe68a28+0x139/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 1 Comm: init Not tainted 4.20.0+ #3
Mem-Info:
active_anon:55396 inactive_anon:194 isolated_anon:0
 active_file:14 inactive_file:17 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:11004 slab_unreclaimable:1456456
 mapped:32770 shmem:244 pagetables:548 bounce:0
 free:10961 free_pcp:65 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:221400kB inactive_anon:776kB active_file:48kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 198656kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:184kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 DMA free:10224kB min:220kB low:272kB high:324kB 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+0x1db/0x2d0 lib/dump_stack.c:113
lowmem_reserve[]: 0 2535 2537 2537
Node 0 DMA32 free:13460kB min:36080kB low:45100kB high:54120kB active_anon:221400kB inactive_anon:776kB active_file:48kB inactive_file:72kB unevictable:0kB writepending:0kB present:3129332kB managed:2599656kB mlocked:0kB kernel_stack:7008kB pagetables:2192kB bounce:0kB free_pcp:40kB local_pcp:40kB free_cma:0kB
lowmem_reserve[]: 0 0 2 2
 warn_alloc.cold+0xb6/0x1bc mm/page_alloc.c:3423
Node 0 Normal free:8kB min:28kB low:32kB high:36kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2204kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 1 Normal free:20152kB min:53780kB low:67224kB high:80668kB active_anon:184kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 1*32kB (U) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10224kB
 __alloc_pages_slowpath+0x24e1/0x2cd0 mm/page_alloc.c:4291
Node 0 DMA32: 1143*4kB (MEH) 545*8kB (UME) 129*16kB (ME) 35*32kB (UME) 3*64kB (U) 1*128kB (U) 2*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13460kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 10*4kB (UMEH) 8*8kB (ME) 7*16kB (UME) 3*32kB (M) 6*64kB (UME) 6*128kB (MEH) 3*256kB (UM) 3*512kB (UEH) 4*1024kB (UME) 0*2048kB 3*4096kB (M) = 20152kB
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
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
273 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
343991 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor2 cpuset=syz2 mems_allowed=0-1
 __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+0x9c/0x8c0 mm/slab.c:2677
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3219
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3642
 __alloc_skb+0xf4/0x730 net/core/skbuff.c:196
 alloc_skb include/linux/skbuff.h:1011 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x299/0x810 drivers/block/aoe/aoecmd.c:1381
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325
 expire_timers kernel/time/timer.c:1362 [inline]
 __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694
 __do_softirq+0x30b/0xb11 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:super_cache_count+0x135/0x2e0 fs/super.c:144
Code: e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5f 01 00 00 49 8d 5e 18 41 8b 76 04 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 01 00 00 49 8b 56 18 4c 89 cf 49 81 c5 c8 00
RSP: 0000:ffff8880a9e0e8a8 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffff8880a9e0eb48 RCX: ffffffff81d12cf6
RDX: 1ffff110153c1d69 RSI: 0000000000000001 RDI: ffffffff88582798
RBP: ffff8880a9e0e8e0 R08: ffff8880a9e02040 R09: ffff8880a5d7cd00
R10: 0000000000000000 R11: ffff8880ae72dc7b R12: 0000000000000000
R13: ffff8880a5d7cc78 R14: ffff8880a9e0eb30 R15: ffff8880a9e0eb34
 do_shrink_slab+0x18b/0xd30 mm/vmscan.c:466
 shrink_slab mm/vmscan.c:707 [inline]
 shrink_slab+0x6bb/0x8c0 mm/vmscan.c:687
 shrink_node+0x41f/0x1690 mm/vmscan.c:2759
 shrink_zones mm/vmscan.c:2988 [inline]
 do_try_to_free_pages+0x3e2/0x1280 mm/vmscan.c:3050
 try_to_free_pages+0x4b9/0xb70 mm/vmscan.c:3265
 __perform_reclaim mm/page_alloc.c:3773 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3795 [inline]
 __alloc_pages_slowpath+0x9c7/0x2cd0 mm/page_alloc.c:4185
 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393
 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc mm/filemap.c:924 [inline]
 __page_cache_alloc+0x3cd/0x620 mm/filemap.c:909
 page_cache_read mm/filemap.c:2312 [inline]
 filemap_fault+0x1387/0x2640 mm/filemap.c:2496
 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6292
 __do_fault+0xed/0x670 mm/memory.c:2996
 do_read_fault mm/memory.c:3408 [inline]
 do_fault mm/memory.c:3534 [inline]
 handle_pte_fault mm/memory.c:3765 [inline]
 __handle_mm_fault+0x37be/0x56d0 mm/memory.c:3889
 handle_mm_fault+0x4ec/0xc80 mm/memory.c:3926
 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline]
 __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541
 do_page_fault+0xe6/0x7d8 arch/x86/mm/fault.c:1572
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143
RIP: 0033:0x7fe52db21dd3
Code: Bad RIP value.
RSP: 002b:00007ffd23f0ea58 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffd23f0ec00 RCX: 00007fe52db21dd3
RDX: 0000000000000000 RSI: 00007ffd23f0edb0 RDI: 000000000000000b
RBP: 00007ffd23f0edb0 R08: 00007ffd23f0ee30 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffd23f0f190 R14: 0000000000000000 R15: 0000000000000000
CPU: 0 PID: 20664 Comm: syz-executor2 Not tainted 4.20.0+ #3
aoe: skb alloc failure
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+0x1db/0x2d0 lib/dump_stack.c:113
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 warn_alloc.cold+0xb6/0x1bc mm/page_alloc.c:3423
init cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath+0x24e1/0x2cd0 mm/page_alloc.c:4291
 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393
 __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+0x9c/0x8c0 mm/slab.c:2677
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3219
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3642
 __alloc_skb+0xf4/0x730 net/core/skbuff.c:196
 alloc_skb include/linux/skbuff.h:1011 [inline]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x32d/0x6d0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3840
 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325
 expire_timers kernel/time/timer.c:1362 [inline]
 __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694
 __do_softirq+0x30b/0xb11 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:766 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x250/0x720 mm/slab.c:3661
Code: 7e 0f 85 34 ff ff ff e8 05 ec 3b ff e9 2a ff ff ff e8 94 37 c3 ff 48 83 3d fc bf cd 07 00 0f 84 34 01 00 00 48 8b 7d c0 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 7a dd
RSP: 0000:ffff888063c874a0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888068514940 RDI: 0000000000000282
RBP: ffff888063c87518 R08: ffff8880685140c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88812c3f0ac0
R13: ffff88812c3f0ac0 R14: 0000000000000000 R15: 0000000000480020
 __do_kmalloc_node mm/slab.c:3683 [inline]
 __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3698
 __kmalloc_reserve.isra.0+0xcb/0xe0 net/core/skbuff.c:148
 pskb_expand_head+0x1f6/0x1080 net/core/skbuff.c:1465
 skb_ensure_writable net/core/skbuff.c:5146 [inline]
 skb_ensure_writable+0x3dc/0x650 net/core/skbuff.c:5138
 __bpf_try_make_writable net/core/filter.c:1635 [inline]
 bpf_try_make_writable net/core/filter.c:1641 [inline]
 bpf_try_make_head_writable net/core/filter.c:1649 [inline]
 ____bpf_clone_redirect net/core/filter.c:2086 [inline]
 bpf_clone_redirect+0x135/0x470 net/core/filter.c:2064
 bpf_prog_88483476fbe68a28+0x139/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 1 Comm: init Not tainted 4.20.0+ #3
Mem-Info:
active_anon:55396 inactive_anon:194 isolated_anon:0
 active_file:14 inactive_file:17 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:11004 slab_unreclaimable:1456456
 mapped:32770 shmem:244 pagetables:548 bounce:0
 free:10961 free_pcp:65 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:221400kB inactive_anon:776kB active_file:48kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 198656kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 1 active_anon:184kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1db/0x2d0 lib/dump_stack.c:113