CPU: 1 PID: 5297 Comm: cron Not tainted 4.19.0-rc2+ #102 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: 0-...!: (91 ticks this GP) idle=c12/1/0x4000000000000004 softirq=10405/10405 fqs=4 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 rcu: (t=10694 jiffies g=10337 q=6) rcu: rcu_preempt kthread starved for 10343 jiffies! g10337 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: RCU grace-period kthread stack dump: rcu_preempt R running task 22872 10 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804 rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194 __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+0x3c0/0x6f0 net/ipv6/addrconf.c:3819 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 kthread+0x35a/0x420 kernel/kthread.c:246 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 NMI backtrace for cpu 0 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 b9 6d 09 fa 48 83 3d 19 74 b9 01 00 75 07 e8 9a 19 c6 f9 0f 0b e8 93 19 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 6d 6d 09 fa 4c 8b 45 d0 e9 RSP: 0000:ffff8801bceee238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801bcefc000 RBX: 0000000000000293 RCX: 1ffff100379df91e RDX: 0000000000000000 RSI: ffffffff87b8b59d RDI: 0000000000000293 RBP: ffff8801bceee240 R08: ffff8801bcefc8f0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801bcefc000 R12: 0000000000000293 R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118 dump_header+0x27b/0xf72 mm/oom_kill.c:441 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:952 out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112 __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:6257 __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: 0033:0x7fa95af37e40 Code: Bad RIP value. RSP: 002b:00007ffd27b77d38 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffd27b77e60 RCX: 00007fa95af37e40 RDX: 0000000000000000 RSI: 00007ffd27b77ee0 RDI: 00007ffd27b77ee0 RBP: 00007ffd27b77de0 R08: 00007ffd27b77d40 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffd27b78040 R14: 0000000000000000 R15: 0000000000000000 warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 7361 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #102 Mem-Info: active_anon:45556 inactive_anon:113 isolated_anon:0 active_file:17 inactive_file:18 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:8691 slab_unreclaimable:1482209 mapped:24598 shmem:119 pagetables:505 bounce:0 free:13701 free_pcp:413 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:182224kB inactive_anon:452kB active_file:68kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98392kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB 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+0x1c4/0x2b4 lib/dump_stack.c:113 lowmem_reserve[]: 0 2816 6320 6320 Node 0 nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101 DMA32 free:25092kB min:30044kB low:37552kB high:45060kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62 lowmem_reserve[]: 0 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 0 trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline] rcu_dump_cpu_stacks+0x175/0x1c2 kernel/rcu/tree.c:1340 3503 3503 print_cpu_stall.cold.78+0x2d3/0x524 kernel/rcu/tree.c:1478 Node 0 Normal free:13804kB min:37372kB low:46712kB high:56052kB active_anon:182224kB inactive_anon:452kB active_file:68kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587600kB mlocked:0kB kernel_stack:5088kB pagetables:2020kB bounce:0kB free_pcp:1156kB local_pcp:616kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB check_cpu_stall kernel/rcu/tree.c:1550 [inline] __rcu_pending kernel/rcu/tree.c:3276 [inline] rcu_pending kernel/rcu/tree.c:3319 [inline] rcu_check_callbacks+0xfd9/0x1990 kernel/rcu/tree.c:2665 (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 3*4kB (M) 3*8kB (UM) 4*16kB (UM) 3*32kB (UM) 1*64kB (M) 4*128kB (UM) 3*256kB (UM) 4*512kB (UM) 1*1024kB (M) 2*2048kB update_process_times+0x2d/0x70 kernel/time/timer.c:1636 (M) tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164 4*4096kB (M) tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274 = 25092kB Node 0 __run_hrtimer kernel/time/hrtimer.c:1398 [inline] __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460 Normal: 709*4kB (MEH) 353*8kB (UMEH) 189*16kB (ME) 68*32kB (UMEH) 40*64kB (UM) 1*128kB (H) 1*256kB hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518 (H) 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 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13804kB 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 154 total pagecache pages 0 pages in swap cache apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 Swap cache stats: add 0, delete 0, find 0/0 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 Free swap = 0kB Code: 40 7e 0f 85 32 ff ff ff e8 05 d3 3e ff e9 28 ff ff ff e8 1c 30 c3 ff 48 83 3d bc 7e b0 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 b2 77 Total swap = 0kB 1965979 pages RAM RSP: 0000:ffff8801dae07450 EFLAGS: 00000282 0 pages HighMem/MovableOnly 343291 pages reserved ORIG_RAX: ffffffffffffff13 0 pages cma reserved RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10039a7d9b1 ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282 RBP: ffff8801dae074c0 R08: ffff8801cd3ecd88 R09: 0000000000000002 cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) R10: 0000000000000000 R11: ffff8801cd3ec4c0 R12: ffff8801d9a04040 cron cpuset= R13: ffff8801d9a04040 R14: 0000000000000000 R15: 0000000000000282 / mems_allowed=0 __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+0x3c0/0x6f0 net/ipv6/addrconf.c:3819 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 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 66 b3 3e ff e9 c5 fe ff ff e8 7d 10 c3 ff 48 83 3d 1d 5f b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 77 RSP: 0000:ffff880197127748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801cd3ecd40 RDI: 0000000000000282 RBP: ffff8801971277b0 R08: ffff8801cd3ec4c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 skb_clone+0x1bb/0x500 net/core/skbuff.c:1283 ____bpf_clone_redirect net/core/filter.c:2075 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062 bpf_prog_3aea14b1f6cd0d8b+0xfd7/0x1000 CPU: 1 PID: 5297 Comm: cron Not tainted 4.19.0-rc2+ #102 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-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor5 cpuset= __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 syz5 mems_allowed=0 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h: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+0x3c0/0x6f0 net/ipv6/addrconf.c:3819 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 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 b9 6d 09 fa 48 83 3d 19 74 b9 01 00 75 07 e8 9a 19 c6 f9 0f 0b e8 93 19 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 6d 6d 09 fa 4c 8b 45 d0 e9 RSP: 0000:ffff8801bceee238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801bcefc000 RBX: 0000000000000293 RCX: 1ffff100379df91e RDX: 0000000000000000 RSI: ffffffff87b8b59d RDI: 0000000000000293 RBP: ffff8801bceee240 R08: ffff8801bcefc8f0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801bcefc000 R12: 0000000000000293 R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118 dump_header+0x27b/0xf72 mm/oom_kill.c:441 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:952 out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112 __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:6257 __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: 0033:0x7fa95af37e40 Code: Bad RIP value. RSP: 002b:00007ffd27b77d38 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffd27b77e60 RCX: 00007fa95af37e40 RDX: 0000000000000000 RSI: 00007ffd27b77ee0 RDI: 00007ffd27b77ee0 RBP: 00007ffd27b77de0 R08: 00007ffd27b77d40 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffd27b78040 R14: 0000000000000000 R15: 0000000000000000 Mem-Info: CPU: 0 PID: 7361 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #102 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 active_anon:45556 inactive_anon:113 isolated_anon:0 active_file:17 inactive_file:18 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:8691 slab_unreclaimable:1482209 mapped:24598 shmem:119 pagetables:505 bounce:0 free:13701 free_pcp:413 free_cma:0 Call Trace: Node 0 active_anon:182224kB inactive_anon:452kB active_file:68kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98392kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB 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.118+0xb7/0x1bd mm/page_alloc.c:3426 0 2816 6320 6320 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 Node 0 DMA32 free:25092kB min:30044kB low:37552kB high:45060kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13804kB min:37372kB low:46712kB high:56052kB active_anon:182224kB inactive_anon:452kB active_file:68kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587600kB mlocked:0kB kernel_stack:5088kB pagetables:2020kB bounce:0kB free_pcp:1156kB local_pcp:616kB 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 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 3*4kB (M) fallback_alloc+0x203/0x2e0 mm/slab.c:3219 3*8kB ____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*16kB (UM) __alloc_skb+0x119/0x770 net/core/skbuff.c:193 3*32kB (UM) 1*64kB (M) 4*128kB (UM) 3*256kB (UM) 4*512kB alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 (UM) ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 1*1024kB addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819 (M) 2*2048kB call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 (M) 4*4096kB (M) = 25092kB Node 0 Normal: 709*4kB (MEH) 353*8kB (UMEH) 189*16kB (ME) 68*32kB (UMEH) 40*64kB (UM) 1*128kB (H) expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13804kB 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 154 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 343291 pages reserved 0 pages cma reserved run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) __do_softirq+0x30b/0xad8 kernel/softirq.c:292 cron cpuset= / 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 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 66 b3 3e ff e9 c5 fe ff ff e8 7d 10 c3 ff 48 83 3d 1d 5f b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 77 RSP: 0000:ffff880197127748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801cd3ecd40 RDI: 0000000000000282 RBP: ffff8801971277b0 R08: ffff8801cd3ec4c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 skb_clone+0x1bb/0x500 net/core/skbuff.c:1283 ____bpf_clone_redirect net/core/filter.c:2075 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062 bpf_prog_3aea14b1f6cd0d8b+0xfd7/0x1000 CPU: 1 PID: 5297 Comm: cron Not tainted 4.19.0-rc2+ #102 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 syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426 syz-executor5 cpuset= syz5 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+0x3c0/0x6f0 net/ipv6/addrconf.c:3819 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 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 b9 6d 09 fa 48 83 3d 19 74 b9 01 00 75 07 e8 9a 19 c6 f9 0f 0b e8 93 19 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 6d 6d 09 fa 4c 8b 45 d0 e9 RSP: 0000:ffff8801bceee238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801bcefc000 RBX: 0000000000000293 RCX: 1ffff100379df91e RDX: 0000000000000000 RSI: ffffffff87b8b59d RDI: 0000000000000293 RBP: ffff8801bceee240 R08: ffff8801bcefc8f0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801bcefc000 R12: 0000000000000293 R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118 dump_header+0x27b/0xf72 mm/oom_kill.c:441 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:952 out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112 __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:6257 __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: 0033:0x7fa95af37e40 Code: Bad RIP value. RSP: 002b:00007ffd27b77d38 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffd27b77e60 RCX: 00007fa95af37e40 RDX: 0000000000000000 RSI: 00007ffd27b77ee0 RDI: 00007ffd27b77ee0 RBP: 00007ffd27b77de0 R08: 00007ffd27b77d40 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffd27b78040 R14: 0000000000000000 R15: 0000000000000000 CPU: 0 PID: 7361 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #102 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:45556 inactive_anon:113 isolated_anon:0 active_file:17 inactive_file:18 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:8691 slab_unreclaimable:1482209 mapped:24598 shmem:119 pagetables:505 bounce:0 free:13701 free_pcp:413 free_cma:0 Call Trace: Node 0 active_anon:182224kB inactive_anon:452kB active_file:68kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98392kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB 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.118+0xb7/0x1bd mm/page_alloc.c:3426 0 2816 6320 6320 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 Node 0 DMA32 free:25092kB min:30044kB low:37552kB high:45060kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13804kB min:37372kB low:46712kB high:56052kB active_anon:182224kB inactive_anon:452kB active_file:68kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587600kB mlocked:0kB kernel_stack:5088kB pagetables:2020kB bounce:0kB free_pcp:1156kB local_pcp:616kB 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 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 (U) 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+0x91/0x8c0 mm/slab.c:2677 = 15908kB Node 0 fallback_alloc+0x203/0x2e0 mm/slab.c:3219 DMA32: ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 3*4kB slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 (M) 3*8kB __alloc_skb+0x119/0x770 net/core/skbuff.c:193 (UM) 4*16kB (UM) 3*32kB (UM) 1*64kB (M) 4*128kB (UM) 3*256kB alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 (UM) ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 4*512kB addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819 (UM) 1*1024kB call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 (M) 2*2048kB (M) 4*4096kB (M) = 25092kB Node 0 Normal: 709*4kB (MEH) 353*8kB (UMEH) 189*16kB (ME) 68*32kB expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 (UMEH) 40*64kB (UM) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13804kB 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 154 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+0x30b/0xad8 kernel/softirq.c:292 1965979 pages RAM 0 pages HighMem/MovableOnly 343291 pages reserved 0 pages cma reserved ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) cron cpuset= / 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 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 66 b3 3e ff e9 c5 fe ff ff e8 7d 10 c3 ff 48 83 3d 1d 5f b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 77 RSP: 0000:ffff880197127748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801cd3ecd40 RDI: 0000000000000282 RBP: ffff8801971277b0 R08: ffff8801cd3ec4c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 skb_clone+0x1bb/0x500 net/core/skbuff.c:1283 ____bpf_clone_redirect net/core/filter.c:2075 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062 bpf_prog_3aea14b1f6cd0d8b+0xfd7/0x1000 CPU: 1 PID: 5297 Comm: cron Not tainted 4.19.0-rc2+ #102 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 syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426 syz-executor5 cpuset= syz5 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+0x3c0/0x6f0 net/ipv6/addrconf.c:3819 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 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 b9 6d 09 fa 48 83 3d 19 74 b9 01 00 75 07 e8 9a 19 c6 f9 0f 0b e8 93 19 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 6d 6d 09 fa 4c 8b 45 d0 e9 RSP: 0000:ffff8801bceee238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801bcefc000 RBX: 0000000000000293 RCX: 1ffff100379df91e RDX: 0000000000000000 RSI: ffffffff87b8b59d RDI: 0000000000000293 RBP: ffff8801bceee240 R08: ffff8801bcefc8f0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801bcefc000 R12: 0000000000000293 R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118 dump_header+0x27b/0xf72 mm/oom_kill.c:441 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:952 out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112 __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:6257 __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: 0033:0x7fa95af37e40 Code: Bad RIP value. RSP: 002b:00007ffd27b77d38 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffd27b77e60 RCX: 00007fa95af37e40 RDX: 0000000000000000 RSI: 00007ffd27b77ee0 RDI: 00007ffd27b77ee0 RBP: 00007ffd27b77de0 R08: 00007ffd27b77d40 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffd27b78040 R14: 0000000000000000 R15: 0000000000000000 warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 7361 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #102 Mem-Info: active_anon:45556 inactive_anon:113 isolated_anon:0 active_file:17 inactive_file:18 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:8691 slab_unreclaimable:1482209 mapped:24598 shmem:119 pagetables:505 bounce:0 free:13701 free_pcp:413 free_cma:0