CPU: 1 PID: 5431 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #129
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-...!: (1 GPs behind) idle=996/1/0x4000000000000004 softirq=21171/21172 fqs=1
__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
rcu:
(t=10547 jiffies g=27437 q=9)
rcu: rcu_preempt kthread starved for 10477 jiffies! g27437 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
__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
rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
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]
nlmsg_new include/net/netlink.h:654 [inline]
__br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
br_multicast_del_pg+0x3df/0x790 net/bridge/br_multicast.c:292
br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316
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 29 a9 14 fa 48 83 3d 39 7b 85 01 00 75 07 e8 fa 61 d2 f9 0f 0b e8 f3 61 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd a8 14 fa 4c 8b 45 d0 e9
RSP: 0000:ffff8801b9285438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bf5fe180 RBX: 0000000000000293 RCX: 1ffff10037ebfd49
RDX: 0000000000000000 RSI: ffffffff87ac775d RDI: 0000000000000293
RBP: ffff8801b9285440 R08: ffff8801bf5fea48 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801bf5fe180 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280
dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
dump_header+0x27b/0xf72 mm/oom_kill.c:441
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
NMI backtrace for cpu 0
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages 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_trace+0xe7/0x740 mm/slab.c:3661
__do_kmalloc_node mm/slab.c:3681 [inline]
__kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
__kmalloc_reserve.isra.39+0x41/0xe0 net/core/skbuff.c:137
__alloc_skb+0x155/0x770 net/core/skbuff.c:205
alloc_skb include/linux/skbuff.h:997 [inline]
nlmsg_new include/net/netlink.h:654 [inline]
rtmsg_ifinfo_build_skb+0x74/0x190 net/core/rtnetlink.c:3386
rtmsg_ifinfo_event.part.31+0x45/0xe0 net/core/rtnetlink.c:3422
rtmsg_ifinfo_event net/core/rtnetlink.c:3433 [inline]
rtmsg_ifinfo+0x8c/0xa0 net/core/rtnetlink.c:3431
dev_close_many+0x3be/0x860 net/core/dev.c:1502
rollback_registered_many+0x543/0x1210 net/core/dev.c:7979
rollback_registered+0x1e9/0x420 net/core/dev.c:8044
unregister_netdevice_queue+0x321/0x5e0 net/core/dev.c:9088
unregister_netdevice include/linux/netdevice.h:2637 [inline]
__tun_detach+0x11b8/0x15c0 drivers/net/tun.c:723
tun_detach drivers/net/tun.c:740 [inline]
tun_chr_close+0xe3/0x180 drivers/net/tun.c:3376
__fput+0x385/0xa30 fs/file_table.c:278
____fput+0x15/0x20 fs/file_table.c:309
task_work_run+0x1e8/0x2a0 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0x1ad7/0x2610 kernel/exit.c:867
do_group_exit+0x177/0x440 kernel/exit.c:970
get_signal+0x8b0/0x1980 kernel/signal.c:2513
do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816
exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x410fa0
Code: Bad RIP value.
RSP: 002b:00007ffcce164318 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0
RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9
RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000
R10: 00007ffcce163cb0 R11: 0000000000000246 R12: 000000000000000a
R13: 0000000000032969 R14: 00000000000000d3 R15: 0000000000000003
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 13339 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #129
Mem-Info:
active_anon:50733 inactive_anon:496 isolated_anon:0
active_file:12 inactive_file:15 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9154 slab_unreclaimable:1479538
mapped:24578 shmem:503 pagetables:518 bounce:0
free:13711 free_pcp:282 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:202932kB inactive_anon:1984kB active_file:48kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:2012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB 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 2819
6323
6323
nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101
Node 0
nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
DMA32 free:24932kB 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
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
lowmem_reserve[]:
trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline]
rcu_dump_cpu_stacks+0x175/0x1c2 kernel/rcu/tree.c:1340
0
0
print_cpu_stall.cold.78+0x2d3/0x524 kernel/rcu/tree.c:1478
3503
3503
Node 0
Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:202932kB inactive_anon:1984kB active_file:48kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2072kB bounce:0kB free_pcp:880kB local_pcp:524kB free_cma:0kB
lowmem_reserve[]:
0
0 0
0
Node 0 DMA:
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
1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U)
2*64kB
(U)
1*128kB
(U)
1*256kB
update_process_times+0x2d/0x70 kernel/time/timer.c:1636
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
(U)
0*512kB
1*1024kB
(U)
1*2048kB
(M)
3*4096kB (M) = 15908kB
Node 0
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
DMA32:
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
3*4kB
(M)
1*8kB (M)
3*16kB
(UM)
3*32kB
(UM)
5*64kB
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
(UM)
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
3*128kB
Code: 41 7e 0f 85 32 ff ff ff e8 b5 d5 3f ff e9 28 ff ff ff e8 dc 3c c4 ff 48 83 3d 6c 4a 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 aa 42
(M)
RSP: 0000:ffff8801dae07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
4*256kB
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100335e1191
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
(UM)
RBP: ffff8801dae074c0 R08: ffff88019af08c88 R09: 0000000000000002
3*512kB
R10: 0000000000000000 R11: ffff88019af083c0 R12: ffff8801d9bf2800
(M)
R13: ffff8801d9bf2800 R14: 0000000000000000 R15: 0000000000000286
3*1024kB
(UM)
3*2048kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(M)
3*4096kB (M)
= 24932kB
Node 0
Normal: 821*4kB
(UME)
460*8kB
(MEH)
alloc_skb include/linux/skbuff.h:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
196*16kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(UMEH)
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
79*32kB
(UME)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
20*64kB
(UM)
1*128kB
(U)
0*256kB
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 14036kB
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
530 total pagecache pages
0 pages in swap cache
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
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
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor3 cpuset=
syz3
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
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 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 aa 42
RSP: 0000:ffff88019d407740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88019af08c40 RDI: 0000000000000286
RBP: ffff88019d4077a8 R08: ffff88019af083c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bf2800 R14: ffff8801d9bf2800 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
bpf_prog_bebbfe2050753572+0xf2/0x1000
CPU: 1 PID: 5431 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #129
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-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor1 cpuset=
syz1
mems_allowed=0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 a9 14 fa 48 83 3d 39 7b 85 01 00 75 07 e8 fa 61 d2 f9 0f 0b e8 f3 61 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd a8 14 fa 4c 8b 45 d0 e9
RSP: 0000:ffff8801b9285438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bf5fe180 RBX: 0000000000000293 RCX: 1ffff10037ebfd49
RDX: 0000000000000000 RSI: ffffffff87ac775d RDI: 0000000000000293
RBP: ffff8801b9285440 R08: ffff8801bf5fea48 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801bf5fe180 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280
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:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages 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_trace+0xe7/0x740 mm/slab.c:3661
__do_kmalloc_node mm/slab.c:3681 [inline]
__kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
__kmalloc_reserve.isra.39+0x41/0xe0 net/core/skbuff.c:137
__alloc_skb+0x155/0x770 net/core/skbuff.c:205
alloc_skb include/linux/skbuff.h:997 [inline]
nlmsg_new include/net/netlink.h:654 [inline]
rtmsg_ifinfo_build_skb+0x74/0x190 net/core/rtnetlink.c:3386
rtmsg_ifinfo_event.part.31+0x45/0xe0 net/core/rtnetlink.c:3422
rtmsg_ifinfo_event net/core/rtnetlink.c:3433 [inline]
rtmsg_ifinfo+0x8c/0xa0 net/core/rtnetlink.c:3431
dev_close_many+0x3be/0x860 net/core/dev.c:1502
rollback_registered_many+0x543/0x1210 net/core/dev.c:7979
rollback_registered+0x1e9/0x420 net/core/dev.c:8044
unregister_netdevice_queue+0x321/0x5e0 net/core/dev.c:9088
unregister_netdevice include/linux/netdevice.h:2637 [inline]
__tun_detach+0x11b8/0x15c0 drivers/net/tun.c:723
tun_detach drivers/net/tun.c:740 [inline]
tun_chr_close+0xe3/0x180 drivers/net/tun.c:3376
__fput+0x385/0xa30 fs/file_table.c:278
____fput+0x15/0x20 fs/file_table.c:309
task_work_run+0x1e8/0x2a0 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0x1ad7/0x2610 kernel/exit.c:867
do_group_exit+0x177/0x440 kernel/exit.c:970
get_signal+0x8b0/0x1980 kernel/signal.c:2513
do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816
exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x410fa0
Code: Bad RIP value.
RSP: 002b:00007ffcce164318 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0
RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9
RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000
R10: 00007ffcce163cb0 R11: 0000000000000246 R12: 000000000000000a
R13: 0000000000032969 R14: 00000000000000d3 R15: 0000000000000003
Mem-Info:
CPU: 0 PID: 13339 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #129
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:50733 inactive_anon:496 isolated_anon:0
active_file:12 inactive_file:15 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9154 slab_unreclaimable:1479538
mapped:24578 shmem:503 pagetables:518 bounce:0
free:13711 free_pcp:282 free_cma:0
Call Trace:
Node 0 active_anon:202932kB inactive_anon:1984kB active_file:48kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:2012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
0
2819
6323
6323
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
Node 0 DMA32 free:24932kB 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
0
3503
3503
Node 0
Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:202932kB inactive_anon:1984kB active_file:48kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2072kB bounce:0kB free_pcp:880kB local_pcp:524kB 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) = 15908kB
Node 0 DMA32: 3*4kB (M) 1*8kB (M) 3*16kB (UM) 3*32kB (UM) 5*64kB (UM) 3*128kB (M) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 3*2048kB (M)
3*4096kB (M) = 24932kB
Node 0
Normal: 821*4kB
(UME)
460*8kB
__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
(MEH)
196*16kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UMEH)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
79*32kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UME)
20*64kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM)
1*128kB (U)
0*256kB
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 14036kB
alloc_skb include/linux/skbuff.h:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
530 total pagecache pages
0 pages in swap cache
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342306 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor3 cpuset=
syz3
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+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 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 aa 42
RSP: 0000:ffff88019d407740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88019af08c40 RDI: 0000000000000286
RBP: ffff88019d4077a8 R08: ffff88019af083c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bf2800 R14: ffff8801d9bf2800 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
bpf_prog_bebbfe2050753572+0xf2/0x1000
CPU: 1 PID: 5431 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #129
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-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor1 cpuset=
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz1
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
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 29 a9 14 fa 48 83 3d 39 7b 85 01 00 75 07 e8 fa 61 d2 f9 0f 0b e8 f3 61 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd a8 14 fa 4c 8b 45 d0 e9
RSP: 0000:ffff8801b9285438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bf5fe180 RBX: 0000000000000293 RCX: 1ffff10037ebfd49
RDX: 0000000000000000 RSI: ffffffff87ac775d RDI: 0000000000000293
RBP: ffff8801b9285440 R08: ffff8801bf5fea48 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801bf5fe180 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280
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:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages 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_trace+0xe7/0x740 mm/slab.c:3661
__do_kmalloc_node mm/slab.c:3681 [inline]
__kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
__kmalloc_reserve.isra.39+0x41/0xe0 net/core/skbuff.c:137
__alloc_skb+0x155/0x770 net/core/skbuff.c:205
alloc_skb include/linux/skbuff.h:997 [inline]
nlmsg_new include/net/netlink.h:654 [inline]
rtmsg_ifinfo_build_skb+0x74/0x190 net/core/rtnetlink.c:3386
rtmsg_ifinfo_event.part.31+0x45/0xe0 net/core/rtnetlink.c:3422
rtmsg_ifinfo_event net/core/rtnetlink.c:3433 [inline]
rtmsg_ifinfo+0x8c/0xa0 net/core/rtnetlink.c:3431
dev_close_many+0x3be/0x860 net/core/dev.c:1502
rollback_registered_many+0x543/0x1210 net/core/dev.c:7979
rollback_registered+0x1e9/0x420 net/core/dev.c:8044
unregister_netdevice_queue+0x321/0x5e0 net/core/dev.c:9088
unregister_netdevice include/linux/netdevice.h:2637 [inline]
__tun_detach+0x11b8/0x15c0 drivers/net/tun.c:723
tun_detach drivers/net/tun.c:740 [inline]
tun_chr_close+0xe3/0x180 drivers/net/tun.c:3376
__fput+0x385/0xa30 fs/file_table.c:278
____fput+0x15/0x20 fs/file_table.c:309
task_work_run+0x1e8/0x2a0 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0x1ad7/0x2610 kernel/exit.c:867
do_group_exit+0x177/0x440 kernel/exit.c:970
get_signal+0x8b0/0x1980 kernel/signal.c:2513
do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816
exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x410fa0
Code: Bad RIP value.
RSP: 002b:00007ffcce164318 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0
RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9
RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000
R10: 00007ffcce163cb0 R11: 0000000000000246 R12: 000000000000000a
R13: 0000000000032969 R14: 00000000000000d3 R15: 0000000000000003
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 13339 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #129
Mem-Info:
active_anon:50733 inactive_anon:496 isolated_anon:0
active_file:12 inactive_file:15 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9154 slab_unreclaimable:1479538
mapped:24578 shmem:503 pagetables:518 bounce:0
free:13711 free_pcp:282 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:202932kB inactive_anon:1984kB active_file:48kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:2012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB 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 2819
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
6323
6323
Node 0
DMA32 free:24932kB 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:14004kB min:37352kB low:46688kB high:56024kB active_anon:202932kB inactive_anon:1984kB active_file:48kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:2072kB bounce:0kB free_pcp:880kB local_pcp:524kB 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
1*1024kB
(U)
1*2048kB
(M)
3*4096kB
(M)
= 15908kB
Node 0
__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
DMA32:
3*4kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(M)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
1*8kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M)
3*16kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM)
3*32kB
(UM)
5*64kB
(UM)
3*128kB
(M)
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
(M)
3*4096kB
(M)
= 24932kB
Node 0
Normal:
821*4kB
(UME)
460*8kB
(MEH)
196*16kB
(UMEH)
79*32kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
(UME)
20*64kB (UM)
1*128kB
(U)
0*256kB
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 14036kB
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
530 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
1965979 pages RAM
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
0 pages HighMem/MovableOnly
342306 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor3 cpuset=
syz3
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 16 b6 3f ff e9 c5 fe ff ff e8 3d 1d c4 ff 48 83 3d cd 2a 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 aa 42
RSP: 0000:ffff88019d407740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88019af08c40 RDI: 0000000000000286
RBP: ffff88019d4077a8 R08: ffff88019af083c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bf2800 R14: ffff8801d9bf2800 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
bpf_prog_bebbfe2050753572+0xf2/0x1000
CPU: 1 PID: 5431 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #129
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-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor1 cpuset=
syz1
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
mems_allowed=0
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 a9 14 fa 48 83 3d 39 7b 85 01 00 75 07 e8 fa 61 d2 f9 0f 0b e8 f3 61 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd a8 14 fa 4c 8b 45 d0 e9
RSP: 0000:ffff8801b9285438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bf5fe180 RBX: 0000000000000293 RCX: 1ffff10037ebfd49
RDX: 0000000000000000 RSI: ffffffff87ac775d RDI: 0000000000000293
RBP: ffff8801b9285440 R08: ffff8801bf5fea48 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801bf5fe180 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280
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:953