CPU: 0 PID: 1 Comm: init Not tainted 4.19.0+ #135 rcu: INFO: rcu_preempt self-detected stall on CPU Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: rcu: 1-...!: (117 ticks this GP) idle=db2/1/0x4000000000000004 softirq=17880/17882 fqs=4 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 rcu: (t=10618 jiffies g=21153 q=27) rcu: rcu_preempt kthread starved for 10204 jiffies! g21153 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: RCU grace-period kthread stack dump: rcu_preempt R running task 22696 10 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x8cf/0x21d0 kernel/sched/core.c:3474 schedule+0xfe/0x460 kernel/sched/core.c:3518 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677 fallback_alloc+0x204/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] 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 rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x308/0xb7e kernel/softirq.c:292 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350 NMI backtrace for cpu 1 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 RIP: 0010:get_scan_count mm/vmscan.c:2448 [inline] RIP: 0010:shrink_node_memcg+0x351/0x18f0 mm/vmscan.c:2497 Code: 38 83 e2 07 0f b6 00 38 d0 7f 08 84 c0 0f 85 4a 13 00 00 48 8b 84 24 80 00 00 00 4c 89 e3 31 ff 0f be 48 1a 48 d3 eb 48 89 de 2a e2 d6 ff 48 85 db 75 74 e8 f0 e0 d6 ff 0f 1f 44 00 00 e8 e6 RSP: 0000:ffff8801d9a4eb00 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff8801d9a4f1a0 RBX: 0000000000000000 RCX: 0000000000000004 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8801d9a4ed40 R08: ffff8801d9a40040 R09: ffff8801bf5923a0 R10: ffffed0037eb2474 R11: ffff8801bf5923a7 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000003 R15: ffff8801d9a4ec68 shrink_node+0x3bc/0x16b0 mm/vmscan.c:2742 shrink_zones mm/vmscan.c:2974 [inline] do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036 try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251 __perform_reclaim mm/page_alloc.c:3769 [inline] __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline] __alloc_pages_slowpath+0x9c4/0x2d70 mm/page_alloc.c:4191 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677 fallback_alloc+0x204/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552 getname_flags+0xd0/0x5a0 fs/namei.c:140 user_path_at_empty+0x2d/0x50 fs/namei.c:2608 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0x129/0x210 fs/stat.c:185 vfs_stat include/linux/fs.h:3113 [inline] __do_sys_newstat+0x8f/0x110 fs/stat.c:337 __se_sys_newstat fs/stat.c:333 [inline] __x64_sys_newstat+0x54/0x80 fs/stat.c:333 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff0cd045c65 Code: Bad RIP value. RSP: 002b:00007fff74f19158 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 00007fff74f19390 RCX: 00007ff0cd045c65 RDX: 00007fff74f19390 RSI: 00007fff74f19390 RDI: 0000000000407545 RBP: 0000000000000000 R08: 0000000000b5f240 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007fff74f19890 R14: 0000000000000000 R15: 0000000000000000 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 11406 Comm: syz-executor3 Not tainted 4.19.0+ #135 Mem-Info: active_anon:51034 inactive_anon:807 isolated_anon:0 active_file:8 inactive_file:18 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9123 slab_unreclaimable:1469885 mapped:49154 shmem:813 pagetables:681 bounce:0 free:13713 free_pcp:126 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Node 0 active_anon:204136kB inactive_anon:3228kB active_file:32kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3252kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2818 nmi_cpu_backtrace.cold.1+0x5c/0xa1 lib/nmi_backtrace.c:101 6321 6321 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 Node 0 trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline] rcu_dump_cpu_stacks+0x16f/0x1bc kernel/rcu/tree.c:1195 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB print_cpu_stall.cold.67+0x1f3/0x3c7 kernel/rcu/tree.c:1334 lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13768kB min:37364kB low:46704kB high:56044kB active_anon:204136kB inactive_anon:3228kB active_file:32kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2724kB bounce:0kB free_pcp:256kB local_pcp:8kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: check_cpu_stall kernel/rcu/tree.c:1408 [inline] rcu_pending kernel/rcu/tree.c:2961 [inline] rcu_check_callbacks+0xf3b/0x13f0 kernel/rcu/tree.c:2506 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 4*4kB (M) 1*8kB (U) 2*16kB (M) 1*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB Node 0 Normal: 722*4kB update_process_times+0x2d/0x70 kernel/time/timer.c:1636 (ME) 426*8kB tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164 (ME) tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274 215*16kB (UMEH) __run_hrtimer kernel/time/hrtimer.c:1398 [inline] __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460 88*32kB (UMEH) 19*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13768kB 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 839 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 342867 pages reserved hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518 0 pages cma reserved ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1034 [inline] smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1059 init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) init cpuset= / mems_allowed=0 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 mm/slab.c:3642 Code: 41 7e 0f 85 32 ff ff ff e8 55 f9 3f ff e9 28 ff ff ff e8 ac c3 c3 ff 48 83 3d 04 72 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 RSP: 0018:ffff8801daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100381c4919 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 RBP: ffff8801daf074c0 R08: ffff8801c0e248c8 R09: 0000000000000002 R10: 0000000000000000 R11: ffff8801c0e24000 R12: ffff8801d9bd2680 R13: ffff8801d9bd2680 R14: 0000000000000000 R15: 0000000000000286 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:slab_alloc mm/slab.c:3385 [inline] RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552 Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 RSP: 0018:ffff8801931b7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801c0e24880 RDI: 0000000000000286 RBP: ffff8801931b77a8 R08: ffff8801c0e24000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 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+0x36d/0x1000 CPU: 0 PID: 1 Comm: init Not tainted 4.19.0+ #135 ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor3 cpuset= __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 syz3 mems_allowed=0 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677 fallback_alloc+0x204/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 RIP: 0010:get_scan_count mm/vmscan.c:2448 [inline] RIP: 0010:shrink_node_memcg+0x351/0x18f0 mm/vmscan.c:2497 Code: 38 83 e2 07 0f b6 00 38 d0 7f 08 84 c0 0f 85 4a 13 00 00 48 8b 84 24 80 00 00 00 4c 89 e3 31 ff 0f be 48 1a 48 d3 eb 48 89 de 2a e2 d6 ff 48 85 db 75 74 e8 f0 e0 d6 ff 0f 1f 44 00 00 e8 e6 RSP: 0000:ffff8801d9a4eb00 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff8801d9a4f1a0 RBX: 0000000000000000 RCX: 0000000000000004 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8801d9a4ed40 R08: ffff8801d9a40040 R09: ffff8801bf5923a0 R10: ffffed0037eb2474 R11: ffff8801bf5923a7 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000003 R15: ffff8801d9a4ec68 shrink_node+0x3bc/0x16b0 mm/vmscan.c:2742 shrink_zones mm/vmscan.c:2974 [inline] do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036 try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251 __perform_reclaim mm/page_alloc.c:3769 [inline] __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline] __alloc_pages_slowpath+0x9c4/0x2d70 mm/page_alloc.c:4191 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677 fallback_alloc+0x204/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552 getname_flags+0xd0/0x5a0 fs/namei.c:140 user_path_at_empty+0x2d/0x50 fs/namei.c:2608 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0x129/0x210 fs/stat.c:185 vfs_stat include/linux/fs.h:3113 [inline] __do_sys_newstat+0x8f/0x110 fs/stat.c:337 __se_sys_newstat fs/stat.c:333 [inline] __x64_sys_newstat+0x54/0x80 fs/stat.c:333 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff0cd045c65 Code: Bad RIP value. RSP: 002b:00007fff74f19158 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 00007fff74f19390 RCX: 00007ff0cd045c65 RDX: 00007fff74f19390 RSI: 00007fff74f19390 RDI: 0000000000407545 RBP: 0000000000000000 R08: 0000000000b5f240 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007fff74f19890 R14: 0000000000000000 R15: 0000000000000000 CPU: 1 PID: 11406 Comm: syz-executor3 Not tainted 4.19.0+ #135 Mem-Info: active_anon:51034 inactive_anon:807 isolated_anon:0 active_file:8 inactive_file:18 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9123 slab_unreclaimable:1469885 mapped:49154 shmem:813 pagetables:681 bounce:0 free:13713 free_pcp:126 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:204136kB inactive_anon:3228kB active_file:32kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3252kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: 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_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 lowmem_reserve[]: 0 2818 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 6321 6321 Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3503 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 3503 Node 0 Normal free:13768kB min:37364kB low:46704kB high:56044kB active_anon:204136kB inactive_anon:3228kB active_file:32kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2724kB bounce:0kB free_pcp:256kB local_pcp:8kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 4*4kB (M) 1*8kB (U) 2*16kB (M) __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 1*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677 3*1024kB (UM) 3*2048kB (UM) fallback_alloc+0x204/0x2e0 mm/slab.c:3219 3*4096kB (M) ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 = 25176kB Node 0 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 Normal: 722*4kB (ME) __alloc_skb+0x119/0x770 net/core/skbuff.c:193 426*8kB (ME) 215*16kB (UMEH) 88*32kB (UMEH) 19*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 = 13768kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 839 total pagecache pages 0 pages in swap cache call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 342867 pages reserved 0 pages cma reserved ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) init cpuset= / mems_allowed=0 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:slab_alloc mm/slab.c:3385 [inline] RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552 Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 RSP: 0018:ffff8801931b7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801c0e24880 RDI: 0000000000000286 RBP: ffff8801931b77a8 R08: ffff8801c0e24000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 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+0x36d/0x1000 CPU: 0 PID: 1 Comm: init Not tainted 4.19.0+ #135 ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 syz-executor3 cpuset= syz3 mems_allowed=0 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677 fallback_alloc+0x204/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 RIP: 0010:get_scan_count mm/vmscan.c:2448 [inline] RIP: 0010:shrink_node_memcg+0x351/0x18f0 mm/vmscan.c:2497 Code: 38 83 e2 07 0f b6 00 38 d0 7f 08 84 c0 0f 85 4a 13 00 00 48 8b 84 24 80 00 00 00 4c 89 e3 31 ff 0f be 48 1a 48 d3 eb 48 89 de 2a e2 d6 ff 48 85 db 75 74 e8 f0 e0 d6 ff 0f 1f 44 00 00 e8 e6 RSP: 0000:ffff8801d9a4eb00 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff8801d9a4f1a0 RBX: 0000000000000000 RCX: 0000000000000004 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8801d9a4ed40 R08: ffff8801d9a40040 R09: ffff8801bf5923a0 R10: ffffed0037eb2474 R11: ffff8801bf5923a7 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000003 R15: ffff8801d9a4ec68 shrink_node+0x3bc/0x16b0 mm/vmscan.c:2742 shrink_zones mm/vmscan.c:2974 [inline] do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036 try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251 __perform_reclaim mm/page_alloc.c:3769 [inline] __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline] __alloc_pages_slowpath+0x9c4/0x2d70 mm/page_alloc.c:4191 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677 fallback_alloc+0x204/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552 getname_flags+0xd0/0x5a0 fs/namei.c:140 user_path_at_empty+0x2d/0x50 fs/namei.c:2608 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0x129/0x210 fs/stat.c:185 vfs_stat include/linux/fs.h:3113 [inline] __do_sys_newstat+0x8f/0x110 fs/stat.c:337 __se_sys_newstat fs/stat.c:333 [inline] __x64_sys_newstat+0x54/0x80 fs/stat.c:333 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff0cd045c65 Code: Bad RIP value. RSP: 002b:00007fff74f19158 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 00007fff74f19390 RCX: 00007ff0cd045c65 RDX: 00007fff74f19390 RSI: 00007fff74f19390 RDI: 0000000000407545 RBP: 0000000000000000 R08: 0000000000b5f240 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007fff74f19890 R14: 0000000000000000 R15: 0000000000000000 CPU: 1 PID: 11406 Comm: syz-executor3 Not tainted 4.19.0+ #135 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:51034 inactive_anon:807 isolated_anon:0 active_file:8 inactive_file:18 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9123 slab_unreclaimable:1469885 mapped:49154 shmem:813 pagetables:681 bounce:0 free:13713 free_pcp:126 free_cma:0 Call Trace: Node 0 active_anon:204136kB inactive_anon:3228kB active_file:32kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3252kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 2818 6321 6321 Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 0 3503 3503 Node 0 Normal free:13768kB min:37364kB low:46704kB high:56044kB active_anon:204136kB inactive_anon:3228kB active_file:32kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2724kB bounce:0kB free_pcp:256kB local_pcp:8kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 4*4kB (M) 1*8kB (U) 2*16kB (M) 1*32kB (M) 4*64kB (UM) __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677 3*4096kB (M) = 25176kB Node 0 fallback_alloc+0x204/0x2e0 mm/slab.c:3219 Normal: 722*4kB ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 (ME) 426*8kB slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 (ME) 215*16kB (UMEH) 88*32kB __alloc_skb+0x119/0x770 net/core/skbuff.c:193 (UMEH) 19*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13768kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 839 total pagecache pages addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 342867 pages reserved 0 pages cma reserved ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) init cpuset= / mems_allowed=0 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:slab_alloc mm/slab.c:3385 [inline] RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552 Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 RSP: 0018:ffff8801931b7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801c0e24880 RDI: 0000000000000286 RBP: ffff8801931b77a8 R08: ffff8801c0e24000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 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+0x36d/0x1000 CPU: 0 PID: 1 Comm: init Not tainted 4.19.0+ #135 ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor3 cpuset= syz3 mems_allowed=0 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677 fallback_alloc+0x204/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 RIP: 0010:get_scan_count mm/vmscan.c:2448 [inline] RIP: 0010:shrink_node_memcg+0x351/0x18f0 mm/vmscan.c:2497 Code: 38 83 e2 07 0f b6 00 38 d0 7f 08 84 c0 0f 85 4a 13 00 00 48 8b 84 24 80 00 00 00 4c 89 e3 31 ff 0f be 48 1a 48 d3 eb 48 89 de 2a e2 d6 ff 48 85 db 75 74 e8 f0 e0 d6 ff 0f 1f 44 00 00 e8 e6 RSP: 0000:ffff8801d9a4eb00 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff8801d9a4f1a0 RBX: 0000000000000000 RCX: 0000000000000004 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8801d9a4ed40 R08: ffff8801d9a40040 R09: ffff8801bf5923a0 R10: ffffed0037eb2474 R11: ffff8801bf5923a7 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000003 R15: ffff8801d9a4ec68 shrink_node+0x3bc/0x16b0 mm/vmscan.c:2742 shrink_zones mm/vmscan.c:2974 [inline] do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036 try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251 __perform_reclaim mm/page_alloc.c:3769 [inline] __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline] __alloc_pages_slowpath+0x9c4/0x2d70 mm/page_alloc.c:4191 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677 fallback_alloc+0x204/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552 getname_flags+0xd0/0x5a0 fs/namei.c:140 user_path_at_empty+0x2d/0x50 fs/namei.c:2608 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0x129/0x210 fs/stat.c:185 vfs_stat include/linux/fs.h:3113 [inline] __do_sys_newstat+0x8f/0x110 fs/stat.c:337 __se_sys_newstat fs/stat.c:333 [inline] __x64_sys_newstat+0x54/0x80 fs/stat.c:333 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff0cd045c65 Code: Bad RIP value. RSP: 002b:00007fff74f19158 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 00007fff74f19390 RCX: 00007ff0cd045c65 RDX: 00007fff74f19390 RSI: 00007fff74f19390 RDI: 0000000000407545 RBP: 0000000000000000 R08: 0000000000b5f240 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007fff74f19890 R14: 0000000000000000 R15: 0000000000000000 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 11406 Comm: syz-executor3 Not tainted 4.19.0+ #135 Mem-Info: active_anon:51034 inactive_anon:807 isolated_anon:0 active_file:8 inactive_file:18 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9123 slab_unreclaimable:1469885 mapped:49154 shmem:813 pagetables:681 bounce:0 free:13713 free_pcp:126 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:204136kB inactive_anon:3228kB active_file:32kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3252kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: 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_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 lowmem_reserve[]: 0 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 2818 6321 6321 Node 0 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13768kB min:37364kB low:46704kB high:56044kB active_anon:204136kB inactive_anon:3228kB active_file:32kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2724kB bounce:0kB free_pcp:256kB local_pcp:8kB 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) __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677 = 15908kB Node 0 fallback_alloc+0x204/0x2e0 mm/slab.c:3219 DMA32: ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 4*4kB slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 (M) 1*8kB __alloc_skb+0x119/0x770 net/core/skbuff.c:193 (U) 2*16kB (M) 1*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB 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 4*512kB addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 (UM) 3*1024kB call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB Node 0 Normal: 722*4kB (ME) 426*8kB (ME) 215*16kB (UMEH) expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 88*32kB (UMEH) 19*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13768kB 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 839 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 Free swap = 0kB Total swap = 0kB __do_softirq+0x308/0xb7e kernel/softirq.c:292 1965979 pages RAM 0 pages HighMem/MovableOnly 342867 pages reserved 0 pages cma reserved ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) init cpuset= / mems_allowed=0 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:slab_alloc mm/slab.c:3385 [inline] RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552 Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 RSP: 0018:ffff8801931b7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801c0e24880 RDI: 0000000000000286 RBP: ffff8801931b77a8 R08: ffff8801c0e24000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 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+0x36d/0x1000 CPU: 0 PID: 1 Comm: init Not tainted 4.19.0+ #135 ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor3 cpuset= syz3 mems_allowed=0 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677 fallback_alloc+0x204/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326