RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9
RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000
R10: 00007fff8e24cb70 R11: 0000000000000246 R12: 0000000000000006
R13: 0000000000038629 R14: 000000000000015b R15: 0000000000000002
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #64
rcu: INFO: rcu_preempt self-detected stall on CPU
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
rcu: 1-...!: (1 GPs behind) idle=e56/1/0x4000000000000004 softirq=102386/102387 fqs=2
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
rcu: (t=10530 jiffies g=49037 q=4)
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
rcu: rcu_preempt kthread starved for 9923 jiffies! g49037 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task
22784 10 2 0x80000000
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
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
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
__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:995 [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:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
NMI backtrace for cpu 1
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5877 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #64
Mem-Info:
active_anon:45632 inactive_anon:123 isolated_anon:0
active_file:17 inactive_file:16 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9018 slab_unreclaimable:1477885
mapped:34304 shmem:130 pagetables:564 bounce:0
free:13774 free_pcp:156 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:182528kB inactive_anon:492kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:137216kB dirty:0kB writeback:0kB shmem:520kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB 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
nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101
6323
nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
Node 0
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
DMA32 free:25180kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline]
rcu_dump_cpu_stacks+0x175/0x1c2 kernel/rcu/tree.c:1340
lowmem_reserve[]: 0 0 3503
3503
print_cpu_stall.cold.78+0x2d3/0x524 kernel/rcu/tree.c:1478
Node 0 Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:182528kB inactive_anon:492kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2256kB bounce:0kB free_pcp:624kB local_pcp:540kB free_cma:0kB
lowmem_reserve[]: 0
0
0
0
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
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:
5*4kB
(UM)
1*8kB
(U)
2*16kB
(M)
3*32kB
(UM) 5*64kB
update_process_times+0x2d/0x70 kernel/time/timer.c:1636
(UM)
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
3*128kB
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
(M)
__run_hrtimer kernel/time/hrtimer.c:1398 [inline]
__hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
3*256kB
(M)
4*512kB
(UM)
3*1024kB
(UM)
3*2048kB
(M)
3*4096kB
(M)
= 25180kB
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
Node 0
Normal:
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
694*4kB
(UMEH)
370*8kB
(UMEH)
193*16kB
(UMEH)
79*32kB
(UMEH)
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
32*64kB
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
(UM)
Code: 40 7e 0f 85 32 ff ff ff e8 25 b0 3e ff e9 28 ff ff ff e8 8c 13 c3 ff 48 83 3d dc 24 70 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 22 a5
5*128kB
RSP: 0000:ffff8801daf07450 EFLAGS: 00000286
(UM)
ORIG_RAX: ffffffffffffff13
0*256kB
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffffff8184e1ca
RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
0*512kB
RBP: ffff8801daf074c0 R08: ffff8801c0d12280 R09: fffffbfff1281204
R10: ffff8801daf06098 R11: ffffffff89409023 R12: ffff8801d9be7680
0*1024kB
R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000286
0*2048kB
0*4096kB
= 14040kB
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
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
163 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
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
342307 pages reserved
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
ksoftirqd/0 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+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:__sanitizer_cov_trace_const_cmp4+0x0/0x20 kernel/kcov.c:183
Code: a6 fe ff ff 5d c3 0f 1f 40 00 55 0f b7 d6 0f b7 f7 bf 03 00 00 00 48 89 e5 48 8b 4d 08 e8 88 fe ff ff 5d c3 66 0f 1f 44 00 00 <55> 89 f2 89 fe bf 05 00 00 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff
RSP: 0000:ffff8801c0d1ec40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000003 RBX: ffff8801c0d1eff8 RCX: ffffffff81b212d6
RDX: 0000000000000000 RSI: 00000000fffffff8 RDI: 0000000000000000
RBP: ffff8801c0d1f060 R08: ffff8801c0d12280 R09: ffffed0043fff4c4
R10: ffff8801c0d1d908 R11: ffffed00381a3afd R12: 0000000000000001
R13: fffffffffffffff8 R14: ffff8801c19efd48 R15: dffffc0000000000
unmap_single_vma+0x19b/0x310 mm/memory.c:1556
unmap_vmas+0x125/0x200 mm/memory.c:1586
exit_mmap+0x2be/0x590 mm/mmap.c:3093
__mmput kernel/fork.c:1001 [inline]
mmput+0x247/0x610 kernel/fork.c:1022
exit_mm kernel/exit.c:545 [inline]
do_exit+0xe6f/0x2610 kernel/exit.c:854
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: 0033:0x410fd0
Code: Bad RIP value.
RSP: 002b:00007fff8e24d1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fd0
RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9
RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000
R10: 00007fff8e24cb70 R11: 0000000000000246 R12: 0000000000000006
R13: 0000000000038629 R14: 000000000000015b R15: 0000000000000002
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #64
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-executor2: 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-executor2 cpuset=syz2
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:995 [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:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
Mem-Info:
CPU: 1 PID: 5877 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #64
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:45632 inactive_anon:123 isolated_anon:0
active_file:17 inactive_file:16 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9018 slab_unreclaimable:1477885
mapped:34304 shmem:130 pagetables:564 bounce:0
free:13774 free_pcp:156 free_cma:0
Call Trace:
Node 0 active_anon:182528kB inactive_anon:492kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:137216kB dirty:0kB writeback:0kB shmem:520kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB 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:25180kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
0 3503
3503
Node 0
Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:182528kB inactive_anon:492kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2256kB bounce:0kB free_pcp:624kB local_pcp:540kB 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
DMA32:
5*4kB
(UM)
1*8kB
(U)
2*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
(M)
3*32kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UM)
____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)
3*128kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(M)
3*256kB
(M)
4*512kB
(UM)
3*1024kB
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
(UM)
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
3*2048kB
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
(M)
3*4096kB
(M)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
= 25180kB
Node 0
Normal:
694*4kB
(UMEH)
370*8kB
(UMEH)
193*16kB
(UMEH)
79*32kB
(UMEH)
32*64kB
(UM)
5*128kB
(UM)
0*256kB
0*512kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*1024kB
0*2048kB
0*4096kB
= 14040kB
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
163 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
342307 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
ksoftirqd/0 cpuset=
/
mems_allowed=0
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x20 kernel/kcov.c:183
Code: a6 fe ff ff 5d c3 0f 1f 40 00 55 0f b7 d6 0f b7 f7 bf 03 00 00 00 48 89 e5 48 8b 4d 08 e8 88 fe ff ff 5d c3 66 0f 1f 44 00 00 <55> 89 f2 89 fe bf 05 00 00 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff
RSP: 0000:ffff8801c0d1ec40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000003 RBX: ffff8801c0d1eff8 RCX: ffffffff81b212d6
RDX: 0000000000000000 RSI: 00000000fffffff8 RDI: 0000000000000000
RBP: ffff8801c0d1f060 R08: ffff8801c0d12280 R09: ffffed0043fff4c4
R10: ffff8801c0d1d908 R11: ffffed00381a3afd R12: 0000000000000001
R13: fffffffffffffff8 R14: ffff8801c19efd48 R15: dffffc0000000000
unmap_single_vma+0x19b/0x310 mm/memory.c:1556
unmap_vmas+0x125/0x200 mm/memory.c:1586
exit_mmap+0x2be/0x590 mm/mmap.c:3093
__mmput kernel/fork.c:1001 [inline]
mmput+0x247/0x610 kernel/fork.c:1022
exit_mm kernel/exit.c:545 [inline]
do_exit+0xe6f/0x2610 kernel/exit.c:854
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: 0033:0x410fd0
Code: Bad RIP value.
RSP: 002b:00007fff8e24d1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fd0
RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9
RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000
R10: 00007fff8e24cb70 R11: 0000000000000246 R12: 0000000000000006
R13: 0000000000038629 R14: 000000000000015b R15: 0000000000000002
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #64
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Call Trace:
syz-executor2 cpuset=
__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
syz2
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:995 [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:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5877 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #64
Mem-Info:
active_anon:45632 inactive_anon:123 isolated_anon:0
active_file:17 inactive_file:16 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9018 slab_unreclaimable:1477885
mapped:34304 shmem:130 pagetables:564 bounce:0
free:13774 free_pcp:156 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:182528kB inactive_anon:492kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:137216kB dirty:0kB writeback:0kB shmem:520kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB 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
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
2819
6323
6323
Node 0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
DMA32 free:25180kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
0
0
3503
3503
Node 0 Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:182528kB inactive_anon:492kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2256kB bounce:0kB free_pcp:624kB local_pcp:540kB 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
Node 0
DMA32:
5*4kB
(UM)
1*8kB
(U)
__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
2*16kB
(M)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
3*32kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(UM)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
5*64kB
(UM)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*128kB
(M)
3*256kB
(M)
4*512kB
(UM)
3*1024kB
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
(UM)
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
3*2048kB
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
(M)
3*4096kB
(M)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
= 25180kB
Node 0
Normal:
694*4kB
(UMEH)
370*8kB
(UMEH)
193*16kB
(UMEH)
79*32kB
(UMEH)
32*64kB
(UM)
5*128kB
(UM)
0*256kB 0*512kB
0*1024kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*2048kB
0*4096kB
= 14040kB
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
163 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
342307 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
ksoftirqd/0 cpuset=
/
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
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:__sanitizer_cov_trace_const_cmp4+0x0/0x20 kernel/kcov.c:183
Code: a6 fe ff ff 5d c3 0f 1f 40 00 55 0f b7 d6 0f b7 f7 bf 03 00 00 00 48 89 e5 48 8b 4d 08 e8 88 fe ff ff 5d c3 66 0f 1f 44 00 00 <55> 89 f2 89 fe bf 05 00 00 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff
RSP: 0000:ffff8801c0d1ec40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000003 RBX: ffff8801c0d1eff8 RCX: ffffffff81b212d6
RDX: 0000000000000000 RSI: 00000000fffffff8 RDI: 0000000000000000
RBP: ffff8801c0d1f060 R08: ffff8801c0d12280 R09: ffffed0043fff4c4
R10: ffff8801c0d1d908 R11: ffffed00381a3afd R12: 0000000000000001
R13: fffffffffffffff8 R14: ffff8801c19efd48 R15: dffffc0000000000
unmap_single_vma+0x19b/0x310 mm/memory.c:1556
unmap_vmas+0x125/0x200 mm/memory.c:1586
exit_mmap+0x2be/0x590 mm/mmap.c:3093
__mmput kernel/fork.c:1001 [inline]
mmput+0x247/0x610 kernel/fork.c:1022
exit_mm kernel/exit.c:545 [inline]
do_exit+0xe6f/0x2610 kernel/exit.c:854
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: 0033:0x410fd0
Code: Bad RIP value.
RSP: 002b:00007fff8e24d1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fd0
RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9
RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000
R10: 00007fff8e24cb70 R11: 0000000000000246 R12: 0000000000000006
R13: 0000000000038629 R14: 000000000000015b R15: 0000000000000002
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #64
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-executor2: 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-executor2 cpuset=
syz2
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:995 [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:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5877 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #64
Mem-Info:
active_anon:45632 inactive_anon:123 isolated_anon:0
active_file:17 inactive_file:16 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9018 slab_unreclaimable:1477885
mapped:34304 shmem:130 pagetables:564 bounce:0
free:13774 free_pcp:156 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:182528kB inactive_anon:492kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:137216kB dirty:0kB writeback:0kB shmem:520kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB 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
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
2819
6323 6323
Node 0
DMA32 free:25180kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
lowmem_reserve[]: 0
0
3503
3503
Node 0
Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:182528kB inactive_anon:492kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2256kB bounce:0kB free_pcp:624kB local_pcp:540kB 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
DMA32:
5*4kB
(UM)
1*8kB
(U)
2*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
(M)
3*32kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UM)
____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)
3*128kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(M)
3*256kB
(M)
4*512kB
(UM)
3*1024kB
(UM)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
3*2048kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(M)
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
3*4096kB
(M)
= 25180kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
Node 0
Normal:
694*4kB
(UMEH)
370*8kB
(UMEH) 193*16kB
(UMEH)
79*32kB
(UMEH)
32*64kB
(UM)
5*128kB (UM)
0*256kB
0*512kB
0*1024kB
0*2048kB
0*4096kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
= 14040kB
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
163 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
342307 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
ksoftirqd/0 cpuset=
/
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
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:__sanitizer_cov_trace_const_cmp4+0x0/0x20 kernel/kcov.c:183
Code: a6 fe ff ff 5d c3 0f 1f 40 00 55 0f b7 d6 0f b7 f7 bf 03 00 00 00 48 89 e5 48 8b 4d 08 e8 88 fe ff ff 5d c3 66 0f 1f 44 00 00 <55> 89 f2 89 fe bf 05 00 00 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff
RSP: 0000:ffff8801c0d1ec40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000003 RBX: ffff8801c0d1eff8 RCX: ffffffff81b212d6
RDX: 0000000000000000 RSI: 00000000fffffff8 RDI: 0000000000000000
RBP: ffff8801c0d1f060 R08: ffff8801c0d12280 R09: ffffed0043fff4c4
R10: ffff8801c0d1d908 R11: ffffed00381a3afd R12: 0000000000000001
R13: fffffffffffffff8 R14: ffff8801c19efd48 R15: dffffc0000000000
unmap_single_vma+0x19b/0x310 mm/memory.c:1556
unmap_vmas+0x125/0x200 mm/memory.c:1586
exit_mmap+0x2be/0x590 mm/mmap.c:3093
__mmput kernel/fork.c:1001 [inline]
mmput+0x247/0x610 kernel/fork.c:1022
exit_mm kernel/exit.c:545 [inline]
do_exit+0xe6f/0x2610 kernel/exit.c:854
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: 0033:0x410fd0
Code: Bad RIP value.
RSP: 002b:00007fff8e24d1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fd0
RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9
RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000
R10: 00007fff8e24cb70 R11: 0000000000000246 R12: 0000000000000006
R13: 0000000000038629 R14: 000000000000015b R15: 0000000000000002
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #64
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
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor2 cpuset=
syz2
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:995 [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:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5877 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #64
Mem-Info:
active_anon:45632 inactive_anon:123 isolated_anon:0
active_file:17 inactive_file:16 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9018 slab_unreclaimable:1477885
mapped:34304 shmem:130 pagetables:564 bounce:0
free:13774 free_pcp:156 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:182528kB inactive_anon:492kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:137216kB dirty:0kB writeback:0kB shmem:520kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
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:25180kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
0 3503
3503
Node 0
Normal free:14008kB min:37352kB low:46688kB high:56024kB active_anon:182528kB inactive_anon:492kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2256kB bounce:0kB free_pcp:624kB local_pcp:540kB 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: 5*4kB (UM) 1*8kB (U) 2*16kB (M) 3*32kB (UM) 5*64kB (UM) 3*128kB (M) 3*256kB (M) 4*512kB
(UM)
3*1024kB
(UM)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
3*2048kB
(M)
3*4096kB
(M)
= 25180kB
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
Normal:
694*4kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UMEH)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
370*8kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UMEH) 193*16kB
(UMEH) 79*32kB (UMEH)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
32*64kB
(UM)
5*128kB
(UM)
0*256kB
0*512kB
0*1024kB
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
0*2048kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
0*4096kB
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
= 14040kB
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
163 total pagecache pages
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB