kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
CPU: 0 PID: 9622 Comm: syz-executor0 Not tainted 4.19.0+ #135
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
rcu: (detected by 1, t=10725 jiffies, g=16633, q=49)
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
rcu: All QSes seen, last rcu_preempt kthread activity 10672 (4294970255-4294959583), jiffies_till_next_fqs=1, root ->qsmask 0x0
kswapd0 R
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
running task
11032 1391 2 0x80000008
Call Trace:
sched_show_task.cold.81+0x2b6/0x30a kernel/sched/core.c:5297
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
print_other_cpu_stall.cold.66+0x7dd/0x8bb kernel/rcu/tree.c:1286
check_cpu_stall kernel/rcu/tree.c:1415 [inline]
rcu_pending kernel/rcu/tree.c:2961 [inline]
rcu_check_callbacks+0xfd7/0x13f0 kernel/rcu/tree.c:2506
__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
update_process_times+0x2d/0x70 kernel/time/timer.c:1636
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
__run_hrtimer kernel/time/hrtimer.c:1398 [inline]
__hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
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
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: 1ffff1003a9d4919
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
RBP: ffff8801daf074c0 R08: ffff8801d4ea48c8 R09: 0000000000000002
__do_softirq+0x308/0xb7e kernel/softirq.c:292
R10: 0000000000000000 R11: ffff8801d4ea4000 R12: ffff8801d9bd2680
R13: ffff8801d9bd2680 R14: 0000000000000000 R15: 0000000000000286
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
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
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
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: 0000:ffff88019bfcf740 EFLAGS: 00000286
ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801929cebc0 RDI: 0000000000000286
RBP: ffff88019bfcf7a8 R08: ffff8801929ce340 R09: 0000000000000000
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x308/0xb7e kernel/softirq.c:292
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
bpf_prog_e83fea7f4d2e6aed+0xc66/0x1000
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:__read_once_size include/linux/compiler.h:179 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0x324/0x660 kernel/smp.c:302
Code: c4 e8 10 6d 0c 00 f3 90 48 89 d8 41 c6 04 24 04 48 c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41 0f b6 14 24 <44> 8b 7c 24 78 84 d2 74 09 80 fa 03 0f 8e 97 02 00 00 44 89 bc 24
RSP: 0018:ffff8801d4eac960 EFLAGS: 00000246
ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff8801d4eac9d8 RCX: ffffffff8171b511
RDX: 0000000000000004 RSI: ffffffff8171b4c0 RDI: 0000000000000005
RBP: ffff8801d4eacab0 R08: ffff8801d4ea4000 R09: ffffed003b5c5b70
R10: ffffed003b5c5b70 R11: ffff8801dae2db87 R12: ffffed003a9d5948
R13: 1ffff1003a9d5934 R14: dffffc0000000000 R15: 0000000000000001
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:49143 inactive_anon:131 isolated_anon:0
active_file:221 inactive_file:357 isolated_file:1
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9040 slab_unreclaimable:1472500
mapped:49484 shmem:138 pagetables:674 bounce:0
free:13714 free_pcp:458 free_cma:0
Node 0 active_anon:196572kB inactive_anon:524kB active_file:884kB inactive_file:1428kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:197936kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
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
lowmem_reserve[]: 0
2818 6321
6321
smp_call_function_many+0x960/0xb60 kernel/smp.c:434
Node 0
DMA32 free:24980kB 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:248kB free_cma:0kB
lowmem_reserve[]: 0
0
3503 3503
Node 0
Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:196572kB inactive_anon:524kB active_file:884kB inactive_file:1428kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2696kB bounce:0kB free_pcp:1584kB local_pcp:260kB free_cma:0kB
lowmem_reserve[]: 0
on_each_cpu_mask+0x41/0x240 kernel/smp.c:634
0 0
0
on_each_cpu_cond_mask+0x188/0x230 kernel/smp.c:686
Node 0
DMA:
native_flush_tlb_others+0x2ea/0x690 arch/x86/mm/tlb.c:653
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
flush_tlb_others arch/x86/include/asm/paravirt.h:63 [inline]
arch_tlbbatch_flush+0x26f/0x380 arch/x86/mm/tlb.c:765
(M)
= 15908kB
Node 0
DMA32:
5*4kB
try_to_unmap_flush+0x71/0xf0 mm/rmap.c:588
(UM)
shrink_page_list+0x6dbb/0xccd0 mm/vmscan.c:1490
0*8kB
2*16kB (M)
1*32kB
(M)
3*64kB (M)
5*128kB
(UM)
4*256kB
(UM)
3*512kB
(M)
3*1024kB (UM)
3*2048kB (UM)
3*4096kB (M)
= 24980kB
Node 0
Normal:
898*4kB
(UME)
485*8kB
(UME)
212*16kB
(ME)
65*32kB (UME)
16*64kB
(UM)
0*128kB
0*256kB 0*512kB
0*1024kB
0*2048kB
0*4096kB
= 13968kB
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
716 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
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor0 cpuset=
syz0
mems_allowed=0
CPU: 0 PID: 9622 Comm: syz-executor0 Not tainted 4.19.0+ #135
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
__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
shrink_inactive_list+0x77b/0x1c60 mm/vmscan.c:1953
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: 0000:ffff88019bfcf740 EFLAGS: 00000286
ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801929cebc0 RDI: 0000000000000286
shrink_list mm/vmscan.c:2264 [inline]
shrink_node_memcg+0x78b/0x18f0 mm/vmscan.c:2527
RBP: ffff88019bfcf7a8 R08: ffff8801929ce340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
shrink_node+0x3bc/0x16b0 mm/vmscan.c:2742
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
bpf_prog_e83fea7f4d2e6aed+0xc66/0x1000
kswapd_shrink_node mm/vmscan.c:3467 [inline]
balance_pgdat+0x7ca/0x1000 mm/vmscan.c:3577
kswapd+0x857/0x12d0 mm/vmscan.c:3799
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
rcu: rcu_preempt kthread starved for 10672 jiffies! g16633 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task
23016 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2826 [inline]
__schedule+0x8cf/0x21d0 kernel/sched/core.c:3474
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor0 cpuset=
syz0
mems_allowed=0
schedule+0xfe/0x460 kernel/sched/core.c:3518
CPU: 0 PID: 9622 Comm: syz-executor0 Not tainted 4.19.0+ #135
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
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090
__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
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
kswapd0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kswapd0 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: 0000:ffff88019bfcf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801929cebc0 RDI: 0000000000000286
RBP: ffff88019bfcf7a8 R08: ffff8801929ce340 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_e83fea7f4d2e6aed+0xc66/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 1391 Comm: kswapd0 Not tainted 4.19.0+ #135
Mem-Info:
active_anon:49143 inactive_anon:131 isolated_anon:0
active_file:221 inactive_file:357 isolated_file:1
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9040 slab_unreclaimable:1472500
mapped:49484 shmem:138 pagetables:674 bounce:0
free:13714 free_pcp:458 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:196572kB inactive_anon:524kB active_file:884kB inactive_file:1428kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:197936kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
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
lowmem_reserve[]: 0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
2818 6321
6321
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
Node 0
DMA32 free:24980kB 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:248kB free_cma:0kB
lowmem_reserve[]: 0
0
3503
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
3503
Node 0
Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:196572kB inactive_anon:524kB active_file:884kB inactive_file:1428kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2696kB bounce:0kB free_pcp:1584kB local_pcp:260kB 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)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
3*4096kB
(M)
= 15908kB
Node 0
DMA32:
5*4kB
(UM)
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
0*8kB
2*16kB
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
(M)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
1*32kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M)
3*64kB (M)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
5*128kB
(UM)
4*256kB
(UM)
3*512kB
(M)
3*1024kB
(UM)
alloc_skb include/linux/skbuff.h:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
3*2048kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(UM)
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
3*4096kB
(M)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
= 24980kB
Node 0
Normal:
898*4kB
(UME)
485*8kB
(UME)
212*16kB
(ME)
65*32kB
(UME) 16*64kB
(UM)
0*128kB
0*256kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 13968kB
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
716 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
1965979 pages RAM
0 pages HighMem/MovableOnly
__do_softirq+0x308/0xb7e kernel/softirq.c:292
342867 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor0 cpuset=
syz0
mems_allowed=0
invoke_softirq kernel/softirq.c: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:__read_once_size include/linux/compiler.h:179 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0x324/0x660 kernel/smp.c:302
Code: c4 e8 10 6d 0c 00 f3 90 48 89 d8 41 c6 04 24 04 48 c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41 0f b6 14 24 <44> 8b 7c 24 78 84 d2 74 09 80 fa 03 0f 8e 97 02 00 00 44 89 bc 24
RSP: 0018:ffff8801d4eac960 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff8801d4eac9d8 RCX: ffffffff8171b511
RDX: 0000000000000004 RSI: ffffffff8171b4c0 RDI: 0000000000000005
RBP: ffff8801d4eacab0 R08: ffff8801d4ea4000 R09: ffffed003b5c5b70
R10: ffffed003b5c5b70 R11: ffff8801dae2db87 R12: ffffed003a9d5948
R13: 1ffff1003a9d5934 R14: dffffc0000000000 R15: 0000000000000001
smp_call_function_many+0x960/0xb60 kernel/smp.c:434
on_each_cpu_mask+0x41/0x240 kernel/smp.c:634
on_each_cpu_cond_mask+0x188/0x230 kernel/smp.c:686
native_flush_tlb_others+0x2ea/0x690 arch/x86/mm/tlb.c:653
flush_tlb_others arch/x86/include/asm/paravirt.h:63 [inline]
arch_tlbbatch_flush+0x26f/0x380 arch/x86/mm/tlb.c:765
try_to_unmap_flush+0x71/0xf0 mm/rmap.c:588
shrink_page_list+0x6dbb/0xccd0 mm/vmscan.c:1490
shrink_inactive_list+0x77b/0x1c60 mm/vmscan.c:1953
shrink_list mm/vmscan.c:2264 [inline]
shrink_node_memcg+0x78b/0x18f0 mm/vmscan.c:2527
shrink_node+0x3bc/0x16b0 mm/vmscan.c:2742
kswapd_shrink_node mm/vmscan.c:3467 [inline]
balance_pgdat+0x7ca/0x1000 mm/vmscan.c:3577
kswapd+0x857/0x12d0 mm/vmscan.c:3799
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
CPU: 0 PID: 9622 Comm: syz-executor0 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
kswapd0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kswapd0 cpuset=
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
/
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: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: 0000:ffff88019bfcf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801929cebc0 RDI: 0000000000000286
RBP: ffff88019bfcf7a8 R08: ffff8801929ce340 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_e83fea7f4d2e6aed+0xc66/0x1000
CPU: 1 PID: 1391 Comm: kswapd0 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:49143 inactive_anon:131 isolated_anon:0
active_file:221 inactive_file:357 isolated_file:1
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9040 slab_unreclaimable:1472500
mapped:49484 shmem:138 pagetables:674 bounce:0
free:13714 free_pcp:458 free_cma:0
Call Trace:
Node 0 active_anon:196572kB inactive_anon:524kB active_file:884kB inactive_file:1428kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:197936kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
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:24980kB 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:248kB free_cma:0kB
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
lowmem_reserve[]:
0
0 3503
3503
Node 0
Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:196572kB inactive_anon:524kB active_file:884kB inactive_file:1428kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2696kB bounce:0kB free_pcp:1584kB local_pcp:260kB 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
5*4kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UM)
0*8kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
2*16kB
(M) 1*32kB
(M)
3*64kB
(M)
5*128kB
(UM)
4*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
3*512kB
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
(M)
3*1024kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(UM)
3*2048kB
(UM)
3*4096kB
(M)
= 24980kB
Node 0
Normal:
898*4kB
(UME)
485*8kB
(UME)
212*16kB
(ME)
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
65*32kB
(UME)
16*64kB
(UM)
0*128kB
0*256kB
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 13968kB
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
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
716 total pagecache pages
0 pages in swap cache
__do_softirq+0x308/0xb7e kernel/softirq.c:292
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
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor0 cpuset=
syz0
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
mems_allowed=0
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:__read_once_size include/linux/compiler.h:179 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0x324/0x660 kernel/smp.c:302
Code: c4 e8 10 6d 0c 00 f3 90 48 89 d8 41 c6 04 24 04 48 c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41 0f b6 14 24 <44> 8b 7c 24 78 84 d2 74 09 80 fa 03 0f 8e 97 02 00 00 44 89 bc 24
RSP: 0018:ffff8801d4eac960 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff8801d4eac9d8 RCX: ffffffff8171b511
RDX: 0000000000000004 RSI: ffffffff8171b4c0 RDI: 0000000000000005
RBP: ffff8801d4eacab0 R08: ffff8801d4ea4000 R09: ffffed003b5c5b70
R10: ffffed003b5c5b70 R11: ffff8801dae2db87 R12: ffffed003a9d5948
R13: 1ffff1003a9d5934 R14: dffffc0000000000 R15: 0000000000000001
smp_call_function_many+0x960/0xb60 kernel/smp.c:434
on_each_cpu_mask+0x41/0x240 kernel/smp.c:634
on_each_cpu_cond_mask+0x188/0x230 kernel/smp.c:686
native_flush_tlb_others+0x2ea/0x690 arch/x86/mm/tlb.c:653
flush_tlb_others arch/x86/include/asm/paravirt.h:63 [inline]
arch_tlbbatch_flush+0x26f/0x380 arch/x86/mm/tlb.c:765
try_to_unmap_flush+0x71/0xf0 mm/rmap.c:588
shrink_page_list+0x6dbb/0xccd0 mm/vmscan.c:1490