RDX: 000000c42002fac0 RSI: 000000c42002fbf0 RDI: 0000000000000011
RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
CPU: 0 PID: 8263 Comm: syz-executor1 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:
 <IRQ>
rcu: 	
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
(detected by 1, t=10761 jiffies, g=12429, q=6)
rcu: All QSes seen, last rcu_preempt kthread activity 10706 (4294970236-4294959530), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-fuzzer      R
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
  running task    
10712  5332   5329 0x80000008
Call Trace:
 <IRQ>
 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
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
 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: 1ffff100379d91fd
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
RBP: ffff8801daf074c0 R08: ffff8801bcec8fe8 R09: 0000000000000002
R10: 0000000000000000 R11: ffff8801bcec8680 R12: ffff8801d9a04040
R13: ffff8801d9a04040 R14: 0000000000000000 R15: 0000000000000286
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 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
 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
 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
 </IRQ>
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_trace+0x249/0x740 mm/slab.c:3661
Code: 41 7e 0f 85 32 ff ff ff e8 d3 b7 3f ff e9 28 ff ff ff e8 fa 1e c4 ff 48 83 3d 8a 2c 71 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
RSP: 0000:ffff88019a70f4a8 EFLAGS: 00000286
 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801d8d088c0 RDI: 0000000000000286
RBP: ffff88019a70f520 R08: ffff8801d8d08040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
 __do_kmalloc_node mm/slab.c:3681 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
 __kmalloc_reserve.isra.39+0xcc/0xe0 net/core/skbuff.c:145
 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5070
 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
 __bpf_try_make_writable net/core/filter.c:1638 [inline]
 bpf_try_make_writable net/core/filter.c:1644 [inline]
 bpf_try_make_head_writable net/core/filter.c:1652 [inline]
 ____bpf_clone_redirect net/core/filter.c:2089 [inline]
 bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2067
 bpf_prog_bebbfe2050753572+0xc7b/0x1000
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </IRQ>
RIP: 0010:rcu_dynticks_curr_cpu_in_eqs+0x55/0x160 kernel/rcu/tree.c:347
Code: 68 48 c7 45 80 b3 8a b5 41 4a 8d 04 33 48 c7 45 88 7c fa eb 88 48 c7 45 90 50 8d 69 81 c7 00 f1 f1 f1 f1 c7 40 04 04 f2 f2 f2 <65> 48 8b 04 25 28 00 00 00 48 89 45 d8 31 c0 e8 c7 8a 22 02 89 c0
RSP: 0000:ffff8801d8d3dfd0 EFLAGS: 00000282
 ORIG_RAX: ffffffffffffff13
RAX: ffffed003b1a7bfb RBX: 1ffff1003b1a7bfb RCX: ffffffff81aee043
RDX: 0000000000000000 RSI: ffffffff81aee14d RDI: 0000000000000001
RBP: ffff8801d8d3e058 R08: ffff8801bcec8680 R09: 1ffffffff1273965
R10: ffffed003b5e4732 R11: ffff8801daf23993 R12: 0000000000023980
R13: ffff8801d8d3e038 R14: dffffc0000000000 R15: ffffffffffffffff
 rcu_is_watching+0x10/0x30 kernel/rcu/tree.c:1025
 rcu_read_unlock include/linux/rcupdate.h:679 [inline]
 list_lru_count_one+0x362/0x450 mm/list_lru.c:196
 list_lru_shrink_count include/linux/list_lru.h:122 [inline]
 super_cache_count+0x1b9/0x2e0 fs/super.c:145
 do_shrink_slab+0x1a7/0xd20 mm/vmscan.c:464
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:46482 inactive_anon:112 isolated_anon:0
 active_file:13 inactive_file:12 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:8901 slab_unreclaimable:1485594
 mapped:16403 shmem:119 pagetables:494 bounce:0
 free:13777 free_pcp:256 free_cma:0
Node 0 active_anon:185928kB inactive_anon:448kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 
 shrink_slab+0x389/0x8c0 mm/vmscan.c:696
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
 2819 6323
 6323
Node 0 
DMA32 free:25288kB 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:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0
 shrink_node+0x431/0x16b0 mm/vmscan.c:2745
 0 3503
 3503
Node 0 
Normal free:13912kB min:37352kB low:46688kB high:56024kB active_anon:185928kB inactive_anon:448kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5088kB pagetables:1976kB bounce:0kB free_pcp:776kB local_pcp:228kB free_cma:0kB
lowmem_reserve[]: 0
 0 0
 0
Node 0 
DMA: 1*4kB 
(U) 
0*8kB 0*16kB 
 shrink_zones mm/vmscan.c:2974 [inline]
 do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036
1*32kB (U) 
2*64kB 
(U) 1*128kB 
 try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251
(U) 1*256kB 
(U) 0*512kB 
1*1024kB (U) 
1*2048kB (M) 
3*4096kB (M) 
= 15908kB
Node 0 
DMA32: 
 __perform_reclaim mm/page_alloc.c:3769 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
 __alloc_pages_slowpath+0x993/0x2d80 mm/page_alloc.c:4191
4*4kB 
(UM) 
1*8kB (M) 
3*16kB (UM) 
2*32kB (M) 
5*64kB (UM) 
4*128kB (UM) 
3*256kB (M) 
4*512kB (UM) 
3*1024kB (UM) 
3*2048kB (M) 
3*4096kB (M) 
= 25288kB
Node 0 
Normal: 772*4kB 
(UMEH) 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
395*8kB (UME) 
177*16kB (UME) 
74*32kB (UME) 
11*64kB (M) 
0*128kB 1*256kB 
(U) 1*512kB 
(U) 1*1024kB 
(U) 0*2048kB 
0*4096kB 
= 13944kB
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
144 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-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 page_cache_read mm/filemap.c:2385 [inline]
 filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
syz-executor1 cpuset=
syz1
 mems_allowed=0
CPU: 0 PID: 8263 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #124
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
 warn_alloc.cold.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: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c42002fab8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000045ddf3
RDX: 000000c42002fac0 RSI: 000000c42002fbf0 RDI: 0000000000000011
RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
rcu: rcu_preempt kthread starved for 10706 jiffies! g12429 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
  running task    
23064    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
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __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
 </IRQ>
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_trace+0x249/0x740 mm/slab.c:3661
Code: 41 7e 0f 85 32 ff ff ff e8 d3 b7 3f ff e9 28 ff ff ff e8 fa 1e c4 ff 48 83 3d 8a 2c 71 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
RSP: 0000:ffff88019a70f4a8 EFLAGS: 00000286
 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801d8d088c0 RDI: 0000000000000286
RBP: ffff88019a70f520 R08: ffff8801d8d08040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
 __do_kmalloc_node mm/slab.c:3681 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
 __kmalloc_reserve.isra.39+0xcc/0xe0 net/core/skbuff.c:145
 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
 skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5070
 __bpf_try_make_writable net/core/filter.c:1638 [inline]
 bpf_try_make_writable net/core/filter.c:1644 [inline]
 bpf_try_make_head_writable net/core/filter.c:1652 [inline]
 ____bpf_clone_redirect net/core/filter.c:2089 [inline]
 bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2067
 bpf_prog_bebbfe2050753572+0xc7b/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
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=
/
 mems_allowed=0
Mem-Info:
CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #124
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:46482 inactive_anon:112 isolated_anon:0
 active_file:13 inactive_file:12 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:8901 slab_unreclaimable:1485594
 mapped:16403 shmem:119 pagetables:494 bounce:0
 free:13777 free_pcp:256 free_cma:0
Call Trace:
Node 0 active_anon:185928kB inactive_anon:448kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
 2819
 6323
 6323
Node 0 
DMA32 free:25288kB 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:248kB local_pcp:248kB free_cma:0kB
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
lowmem_reserve[]: 0
 0
 3503 3503
Node 0 
Normal free:13912kB min:37352kB low:46688kB high:56024kB active_anon:185928kB inactive_anon:448kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5088kB pagetables:1976kB bounce:0kB free_pcp:776kB local_pcp:228kB free_cma:0kB
lowmem_reserve[]:
 0 0
 0
 0
Node 0 
DMA: 1*4kB 
(U) 
0*8kB 
0*16kB 
1*32kB (U) 
2*64kB (U) 
1*128kB (U) 
1*256kB (U) 
0*512kB 1*1024kB 
(U) 
1*2048kB (M) 
3*4096kB (M) 
= 15908kB
Node 0 
DMA32: 4*4kB 
(UM) 
1*8kB 
(M) 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
3*16kB 
(UM) 2*32kB 
(M) 
5*64kB 
(UM) 4*128kB 
(UM) 
3*256kB (M) 
4*512kB 
 __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
(UM) 
3*1024kB 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UM) 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
3*2048kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M) 
3*4096kB 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
(M) 
= 25288kB
Node 0 
Normal: 
772*4kB 
(UMEH) 
395*8kB (UME) 
177*16kB 
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
(UME) 
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
74*32kB 
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
(UME) 
11*64kB (M) 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
0*128kB 
1*256kB 
(U) 
1*512kB 
(U) 1*1024kB 
(U) 
0*2048kB 0*4096kB 
= 13944kB
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
144 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
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-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor1 cpuset=
syz1
 mems_allowed=0
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </IRQ>
RIP: 0010:rcu_dynticks_curr_cpu_in_eqs+0x55/0x160 kernel/rcu/tree.c:347
Code: 68 48 c7 45 80 b3 8a b5 41 4a 8d 04 33 48 c7 45 88 7c fa eb 88 48 c7 45 90 50 8d 69 81 c7 00 f1 f1 f1 f1 c7 40 04 04 f2 f2 f2 <65> 48 8b 04 25 28 00 00 00 48 89 45 d8 31 c0 e8 c7 8a 22 02 89 c0
RSP: 0000:ffff8801d8d3dfd0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: ffffed003b1a7bfb RBX: 1ffff1003b1a7bfb RCX: ffffffff81aee043
RDX: 0000000000000000 RSI: ffffffff81aee14d RDI: 0000000000000001
RBP: ffff8801d8d3e058 R08: ffff8801bcec8680 R09: 1ffffffff1273965
R10: ffffed003b5e4732 R11: ffff8801daf23993 R12: 0000000000023980
R13: ffff8801d8d3e038 R14: dffffc0000000000 R15: ffffffffffffffff
 rcu_is_watching+0x10/0x30 kernel/rcu/tree.c:1025
 rcu_read_unlock include/linux/rcupdate.h:679 [inline]
 list_lru_count_one+0x362/0x450 mm/list_lru.c:196
 list_lru_shrink_count include/linux/list_lru.h:122 [inline]
 super_cache_count+0x1b9/0x2e0 fs/super.c:145
 do_shrink_slab+0x1a7/0xd20 mm/vmscan.c:464
 shrink_slab+0x389/0x8c0 mm/vmscan.c:696
 shrink_node+0x431/0x16b0 mm/vmscan.c:2745
 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+0x993/0x2d80 mm/page_alloc.c:4191
 __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: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c42002fab8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000045ddf3
RDX: 000000c42002fac0 RSI: 000000c42002fbf0 RDI: 0000000000000011
RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
CPU: 0 PID: 8263 Comm: syz-executor1 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:
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
syz-fuzzer cpuset=
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
/
 mems_allowed=0
 warn_alloc.cold.119+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+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
 </IRQ>
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_trace+0x249/0x740 mm/slab.c:3661
Code: 41 7e 0f 85 32 ff ff ff e8 d3 b7 3f ff e9 28 ff ff ff e8 fa 1e c4 ff 48 83 3d 8a 2c 71 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
RSP: 0000:ffff88019a70f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801d8d088c0 RDI: 0000000000000286
RBP: ffff88019a70f520 R08: ffff8801d8d08040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
 __do_kmalloc_node mm/slab.c:3681 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
 __kmalloc_reserve.isra.39+0xcc/0xe0 net/core/skbuff.c:145
 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
 skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5070
 __bpf_try_make_writable net/core/filter.c:1638 [inline]
 bpf_try_make_writable net/core/filter.c:1644 [inline]
 bpf_try_make_head_writable net/core/filter.c:1652 [inline]
 ____bpf_clone_redirect net/core/filter.c:2089 [inline]
 bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2067
 bpf_prog_bebbfe2050753572+0xc7b/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #124
Mem-Info:
active_anon:46482 inactive_anon:112 isolated_anon:0
 active_file:13 inactive_file:12 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:8901 slab_unreclaimable:1485594
 mapped:16403 shmem:119 pagetables:494 bounce:0
 free:13777 free_pcp:256 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:185928kB inactive_anon:448kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0 
 <IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]: 0
 2819
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
 6323
 6323
Node 0 
DMA32 free:25288kB 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:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]:
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
 0 0
 3503
 3503
Node 0 
Normal free:13912kB min:37352kB low:46688kB high:56024kB active_anon:185928kB inactive_anon:448kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5088kB pagetables:1976kB bounce:0kB free_pcp:776kB local_pcp:228kB 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) 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
= 15908kB
Node 0 
DMA32: 
4*4kB 
(UM) 
1*8kB 
(M) 
3*16kB 
 __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
(UM) 
2*32kB 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(M) 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
5*64kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UM) 
4*128kB 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM) 
3*256kB (M) 
4*512kB 
(UM) 
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) 
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
= 25288kB
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
Node 0 
Normal: 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
772*4kB 
(UMEH) 
395*8kB (UME) 
177*16kB (UME) 
74*32kB (UME) 
11*64kB (M) 
0*128kB 
1*256kB 
(U) 
1*512kB 
(U) 1*1024kB 
(U) 0*2048kB 
0*4096kB 
= 13944kB
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
144 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-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor1 cpuset=
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
syz1
 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
 </IRQ>
RIP: 0010:rcu_dynticks_curr_cpu_in_eqs+0x55/0x160 kernel/rcu/tree.c:347
Code: 68 48 c7 45 80 b3 8a b5 41 4a 8d 04 33 48 c7 45 88 7c fa eb 88 48 c7 45 90 50 8d 69 81 c7 00 f1 f1 f1 f1 c7 40 04 04 f2 f2 f2 <65> 48 8b 04 25 28 00 00 00 48 89 45 d8 31 c0 e8 c7 8a 22 02 89 c0
RSP: 0000:ffff8801d8d3dfd0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: ffffed003b1a7bfb RBX: 1ffff1003b1a7bfb RCX: ffffffff81aee043
RDX: 0000000000000000 RSI: ffffffff81aee14d RDI: 0000000000000001
RBP: ffff8801d8d3e058 R08: ffff8801bcec8680 R09: 1ffffffff1273965
R10: ffffed003b5e4732 R11: ffff8801daf23993 R12: 0000000000023980
R13: ffff8801d8d3e038 R14: dffffc0000000000 R15: ffffffffffffffff
 rcu_is_watching+0x10/0x30 kernel/rcu/tree.c:1025
 rcu_read_unlock include/linux/rcupdate.h:679 [inline]
 list_lru_count_one+0x362/0x450 mm/list_lru.c:196
 list_lru_shrink_count include/linux/list_lru.h:122 [inline]
 super_cache_count+0x1b9/0x2e0 fs/super.c:145
 do_shrink_slab+0x1a7/0xd20 mm/vmscan.c:464
 shrink_slab+0x389/0x8c0 mm/vmscan.c:696
 shrink_node+0x431/0x16b0 mm/vmscan.c:2745
 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+0x993/0x2d80 mm/page_alloc.c:4191
 __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: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c42002fab8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000045ddf3
RDX: 000000c42002fac0 RSI: 000000c42002fbf0 RDI: 0000000000000011
RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
CPU: 0 PID: 8263 Comm: syz-executor1 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:
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
syz-fuzzer cpuset=
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
/
 mems_allowed=0
 warn_alloc.cold.119+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+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
 </IRQ>
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_trace+0x249/0x740 mm/slab.c:3661
Code: 41 7e 0f 85 32 ff ff ff e8 d3 b7 3f ff e9 28 ff ff ff e8 fa 1e c4 ff 48 83 3d 8a 2c 71 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
RSP: 0000:ffff88019a70f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801d8d088c0 RDI: 0000000000000286
RBP: ffff88019a70f520 R08: ffff8801d8d08040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
 __do_kmalloc_node mm/slab.c:3681 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
 __kmalloc_reserve.isra.39+0xcc/0xe0 net/core/skbuff.c:145
 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
 skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5070
 __bpf_try_make_writable net/core/filter.c:1638 [inline]
 bpf_try_make_writable net/core/filter.c:1644 [inline]
 bpf_try_make_head_writable net/core/filter.c:1652 [inline]
 ____bpf_clone_redirect net/core/filter.c:2089 [inline]
 bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2067
 bpf_prog_bebbfe2050753572+0xc7b/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #124
Mem-Info:
active_anon:46482 inactive_anon:112 isolated_anon:0
 active_file:13 inactive_file:12 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:8901 slab_unreclaimable:1485594
 mapped:16403 shmem:119 pagetables:494 bounce:0
 free:13777 free_pcp:256 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:185928kB inactive_anon:448kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0 
 <IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]:
 0
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
 2819
 6323 6323
Node 0 
DMA32 free:25288kB 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:248kB local_pcp:248kB free_cma:0kB
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
lowmem_reserve[]: 0
 0
 3503
 3503
Node 0 
Normal free:13912kB min:37352kB low:46688kB high:56024kB active_anon:185928kB inactive_anon:448kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5088kB pagetables:1976kB bounce:0kB free_pcp:776kB local_pcp:228kB free_cma:0kB
lowmem_reserve[]: 0
 0
 0
 0
Node 0 
DMA: 1*4kB 
(U) 
0*8kB 0*16kB 
1*32kB 
(U) 
2*64kB (U) 
1*128kB 
(U) 
1*256kB (U) 
0*512kB 1*1024kB 
(U) 
1*2048kB (M) 
3*4096kB (M) 
= 15908kB
Node 0 
DMA32: 4*4kB 
(UM) 
1*8kB (M) 
3*16kB 
(UM) 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
2*32kB 
(M) 
5*64kB 
(UM)