RDX: 0000000000000000 RSI: 00007ffffb955bd0 RDI: 000000000000000b RBP: 00007ffffb955bd0 R08: 00007ffffb955c50 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffffb955fb0 R14: 0000000000000000 R15: 0000000000000000 CPU: 0 PID: 15181 Comm: syz-executor0 Not tainted 4.19.0-rc7+ #124 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=10677 jiffies, g=32837, q=4) __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 rcu: All QSes seen, last rcu_preempt kthread activity 10677 (4294979499-4294968822), jiffies_till_next_fqs=1, root ->qsmask 0x0 init R warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 running task 10984 1 0 0x80000008 Call Trace: sched_show_task.cold.83+0x2b6/0x30a kernel/sched/core.c:5296 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 print_other_cpu_stall.cold.79+0xa83/0xba5 kernel/rcu/tree.c:1430 check_cpu_stall kernel/rcu/tree.c:1557 [inline] __rcu_pending kernel/rcu/tree.c:3276 [inline] rcu_pending kernel/rcu/tree.c:3319 [inline] rcu_check_callbacks+0xafc/0x1990 kernel/rcu/tree.c:2665 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] 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 update_process_times+0x2d/0x70 kernel/time/timer.c:1636 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 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 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518 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 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 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:slab_alloc_node mm/slab.c:3329 [inline] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 mm/slab.c:3642 Code: 41 7e 0f 85 32 ff ff ff e8 45 ec 3f ff e9 28 ff ff ff e8 6c 53 c4 ff 48 83 3d fc 60 71 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38 RSP: 0000:ffff8801daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b34812b RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 RBP: ffff8801daf074c0 R08: ffff8801d9a40958 R09: 0000000000000002 R10: 0000000000000000 R11: ffff8801d9a40040 R12: ffff8801d9b23e00 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 R13: ffff8801d9b23e00 R14: 0000000000000000 R15: 0000000000000286 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 __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 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 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:864 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 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 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 d2 38 RSP: 0000:ffff88019b86f748 EFLAGS: 00000286 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88019cecaa80 RDI: 0000000000000286 RBP: ffff88019b86f7b0 R08: ffff88019ceca200 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 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+0x448/0x1000 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 RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788 Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 39 c7 14 fa 48 83 3d d9 af 85 01 00 75 07 e8 9a 96 d2 f9 0f 0b e8 93 96 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 ed c6 14 fa 4c 8b 45 d0 e9 RSP: 0000:ffff8801d9a4e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801d9a40040 RBX: 0000000000000293 RCX: 1ffff1003b348126 RDX: 0000000000000000 RSI: ffffffff87ac42bd RDI: 0000000000000293 RBP: ffff8801d9a4e240 R08: ffff8801d9a40930 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801d9a40040 R12: 0000000000000293 R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: dump_stack+0x195/0x2b4 lib/dump_stack.c:108 active_anon:56218 inactive_anon:113 isolated_anon:0 active_file:12 inactive_file:13 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9242 slab_unreclaimable:1467672 mapped:49154 shmem:119 pagetables:644 bounce:0 free:13551 free_pcp:194 free_cma:0 Node 0 active_anon:224872kB inactive_anon:452kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 212992kB 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 dump_header+0x27b/0xf72 mm/oom_kill.c:441 lowmem_reserve[]: 0 2819 6323 6323 Node 0 DMA32 free:24728kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:256kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13568kB min:37352kB low:46688kB high:56024kB active_anon:224872kB inactive_anon:452kB active_file:48kB inactive_file:164kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2576kB bounce:0kB free_pcp:520kB local_pcp:248kB 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) oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120 (M) 3*32kB (UM) 4*64kB (M) __alloc_pages_may_oom mm/page_alloc.c:3522 [inline] __alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235 4*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (M) 3*4096kB (M) = 24728kB Node 0 Normal: 936*4kB (UME) 482*8kB (UME) 181*16kB (UME) 46*32kB __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 (ME) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13568kB 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 147 total pagecache pages alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946 Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 342306 pages reserved 0 pages cma reserved ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor0 cpuset= syz0 page_cache_read mm/filemap.c:2385 [inline] filemap_fault+0x1594/0x25f0 mm/filemap.c:2569 mems_allowed=0 CPU: 0 PID: 15181 Comm: syz-executor0 Not tainted 4.19.0-rc7+ #124 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259 __do_fault+0x100/0x6b0 mm/memory.c:3240 do_read_fault mm/memory.c:3652 [inline] do_fault mm/memory.c:3752 [inline] handle_pte_fault mm/memory.c:3983 [inline] __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107 __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 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144 fallback_alloc+0x203/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395 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 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470 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 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0033:0x7f9d41884dd3 Code: Bad RIP value. RSP: 002b:00007ffffb955878 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffffb955a20 RCX: 00007f9d41884dd3 RDX: 0000000000000000 RSI: 00007ffffb955bd0 RDI: 000000000000000b RBP: 00007ffffb955bd0 R08: 00007ffffb955c50 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffffb955fb0 R14: 0000000000000000 R15: 0000000000000000 rcu: rcu_preempt kthread starved for 10677 jiffies! g32837 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: RCU grace-period kthread stack dump: expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 rcu_preempt R running task 22560 10 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 schedule+0xfe/0x460 kernel/sched/core.c:3517 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804 rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194 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 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 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 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 d2 38 RSP: 0000:ffff88019b86f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88019cecaa80 RDI: 0000000000000286 RBP: ffff88019b86f7b0 R08: ffff88019ceca200 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 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+0x448/0x1000 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 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= / Mem-Info: mems_allowed=0 active_anon:56218 inactive_anon:113 isolated_anon:0 active_file:12 inactive_file:13 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9242 slab_unreclaimable:1467672 mapped:49154 shmem:119 pagetables:644 bounce:0 free:13551 free_pcp:194 free_cma:0 CPU: 1 PID: 1 Comm: init Not tainted 4.19.0-rc7+ #124 Node 0 active_anon:224872kB inactive_anon:452kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 212992kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 Call Trace: 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 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 2819 6323 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 6323 Node 0 DMA32 free:24728kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:256kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 0 3503 3503 Node 0 Normal free:13568kB min:37352kB low:46688kB high:56024kB active_anon:224872kB inactive_anon:452kB active_file:48kB inactive_file:164kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2576kB bounce:0kB free_pcp:520kB local_pcp:248kB 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 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 (M) = 15908kB Node 0 DMA32: 4*4kB (UM) 1*8kB (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+0x91/0x8c0 mm/slab.c:2677 2*16kB (M) fallback_alloc+0x203/0x2e0 mm/slab.c:3219 3*32kB ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 (UM) slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 4*64kB (M) __alloc_skb+0x119/0x770 net/core/skbuff.c:193 4*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 3*2048kB ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 (M) addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 3*4096kB (M) call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 = 24728kB Node 0 Normal: 936*4kB (UME) 482*8kB (UME) 181*16kB (UME) 46*32kB (ME) 1*64kB (U) 0*128kB expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 0*256kB 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13568kB 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 147 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 Total swap = 0kB 1965979 pages RAM __do_softirq+0x30b/0xad8 kernel/softirq.c:292 0 pages HighMem/MovableOnly 342306 pages reserved 0 pages cma reserved ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor0 cpuset= syz0 mems_allowed=0 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 RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788 Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 39 c7 14 fa 48 83 3d d9 af 85 01 00 75 07 e8 9a 96 d2 f9 0f 0b e8 93 96 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 ed c6 14 fa 4c 8b 45 d0 e9 RSP: 0000:ffff8801d9a4e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801d9a40040 RBX: 0000000000000293 RCX: 1ffff1003b348126 RDX: 0000000000000000 RSI: ffffffff87ac42bd RDI: 0000000000000293 RBP: ffff8801d9a4e240 R08: ffff8801d9a40930 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801d9a40040 R12: 0000000000000293 R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 dump_stack+0x195/0x2b4 lib/dump_stack.c:108 dump_header+0x27b/0xf72 mm/oom_kill.c:441 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953 out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline] __alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946 page_cache_read mm/filemap.c:2385 [inline] filemap_fault+0x1594/0x25f0 mm/filemap.c:2569 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259 __do_fault+0x100/0x6b0 mm/memory.c:3240 do_read_fault mm/memory.c:3652 [inline] do_fault mm/memory.c:3752 [inline] handle_pte_fault mm/memory.c:3983 [inline] __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0033:0x7f9d41884dd3 Code: Bad RIP value. RSP: 002b:00007ffffb955878 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffffb955a20 RCX: 00007f9d41884dd3 RDX: 0000000000000000 RSI: 00007ffffb955bd0 RDI: 000000000000000b RBP: 00007ffffb955bd0 R08: 00007ffffb955c50 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffffb955fb0 R14: 0000000000000000 R15: 0000000000000000 CPU: 0 PID: 15181 Comm: syz-executor0 Not tainted 4.19.0-rc7+ #124 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: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 init cpuset= / mems_allowed=0 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 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 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 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 d2 38 RSP: 0000:ffff88019b86f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88019cecaa80 RDI: 0000000000000286 RBP: ffff88019b86f7b0 R08: ffff88019ceca200 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 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+0x448/0x1000 CPU: 1 PID: 1 Comm: init Not tainted 4.19.0-rc7+ #124 warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 active_anon:56218 inactive_anon:113 isolated_anon:0 active_file:12 inactive_file:13 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9242 slab_unreclaimable:1467672 mapped:49154 shmem:119 pagetables:644 bounce:0 free:13551 free_pcp:194 free_cma:0 Call Trace: Node 0 active_anon:224872kB inactive_anon:452kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 212992kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 0 2819 6323 6323 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 Node 0 DMA32 free:24728kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:256kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13568kB min:37352kB low:46688kB high:56024kB active_anon:224872kB inactive_anon:452kB active_file:48kB inactive_file:164kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2576kB bounce:0kB free_pcp:520kB local_pcp:248kB 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) __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 4*4kB (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 1*8kB (M) 2*16kB (M) fallback_alloc+0x203/0x2e0 mm/slab.c:3219 3*32kB ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 (UM) slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 4*64kB (M) 4*128kB (UM) __alloc_skb+0x119/0x770 net/core/skbuff.c:193 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (M) 3*4096kB alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 (M) = 24728kB ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 Node 0 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 Normal: 936*4kB (UME) call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 482*8kB (UME) 181*16kB (UME) 46*32kB (ME) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13568kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 147 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 342306 pages reserved 0 pages cma reserved ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor0 cpuset= syz0 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 mems_allowed=0 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788 Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 39 c7 14 fa 48 83 3d d9 af 85 01 00 75 07 e8 9a 96 d2 f9 0f 0b e8 93 96 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 ed c6 14 fa 4c 8b 45 d0 e9 RSP: 0000:ffff8801d9a4e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801d9a40040 RBX: 0000000000000293 RCX: 1ffff1003b348126 RDX: 0000000000000000 RSI: ffffffff87ac42bd RDI: 0000000000000293 RBP: ffff8801d9a4e240 R08: ffff8801d9a40930 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801d9a40040 R12: 0000000000000293 R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 dump_stack+0x195/0x2b4 lib/dump_stack.c:108 dump_header+0x27b/0xf72 mm/oom_kill.c:441 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953 out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline] __alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946 page_cache_read mm/filemap.c:2385 [inline] filemap_fault+0x1594/0x25f0 mm/filemap.c:2569 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259 __do_fault+0x100/0x6b0 mm/memory.c:3240 do_read_fault mm/memory.c:3652 [inline] do_fault mm/memory.c:3752 [inline] handle_pte_fault mm/memory.c:3983 [inline] __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0033:0x7f9d41884dd3 Code: Bad RIP value. RSP: 002b:00007ffffb955878 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffffb955a20 RCX: 00007f9d41884dd3 RDX: 0000000000000000 RSI: 00007ffffb955bd0 RDI: 000000000000000b RBP: 00007ffffb955bd0 R08: 00007ffffb955c50 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffffb955fb0 R14: 0000000000000000 R15: 0000000000000000 CPU: 0 PID: 15181 Comm: syz-executor0 Not tainted 4.19.0-rc7+ #124 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: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 init cpuset= / mems_allowed=0 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 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 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 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 d2 38 RSP: 0000:ffff88019b86f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88019cecaa80 RDI: 0000000000000286 RBP: ffff88019b86f7b0 R08: ffff88019ceca200 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9b23e00 R14: ffff8801d9b23e00 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+0x448/0x1000 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 1 Comm: init Not tainted 4.19.0-rc7+ #124 Mem-Info: active_anon:56218 inactive_anon:113 isolated_anon:0 active_file:12 inactive_file:13 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9242 slab_unreclaimable:1467672 mapped:49154 shmem:119 pagetables:644 bounce:0 free:13551 free_pcp:194 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Node 0 active_anon:224872kB inactive_anon:452kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 212992kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 0 2819 6323 6323 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 Node 0 DMA32 free:24728kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:256kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13568kB min:37352kB low:46688kB high:56024kB active_anon:224872kB inactive_anon:452kB active_file:48kB inactive_file:164kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5472kB pagetables:2576kB bounce:0kB free_pcp:520kB local_pcp:248kB 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) __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 4*4kB (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 1*8kB (M) fallback_alloc+0x203/0x2e0 mm/slab.c:3219 2*16kB ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 (M) slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 3*32kB (UM) 4*64kB __alloc_skb+0x119/0x770 net/core/skbuff.c:193 (M) 4*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 (M) ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 3*4096kB addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 (M) = 24728kB call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 Node 0 Normal: 936*4kB (UME) 482*8kB (UME) 181*16kB (UME) 46*32kB (ME) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 1*1024kB (U) 0*2048kB