INFO: rcu detected stall in run_timer_softirq (2)
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syzbot
Sep 14, 2018, 2:13:04 PM9/14/18
to syzkaller-upst...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: 1edb6e035eb7 net/core/filter: fix unused-variable warning
git tree: bpf-next
console output: https://syzkaller.appspot.com/x/log.txt?x=11029c1a400000
kernel config: https://syzkaller.appspot.com/x/.config?x=8f59875069d721b6
dashboard link: https://syzkaller.appspot.com/bug?extid=ee54c7937690fb71721f
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
CC: [linux-...@vger.kernel.org mi...@kernel.org
m...@ellerman.id.au pet...@infradead.org tg...@linutronix.de]
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+ee54c7...@syzkaller.appspotmail.com
RDX: 000000c420047ac0 RSI: 000000c420047bf0 RDI: 0000000000000011
RBP: 000000c420037e90 R08: 0000000000000002 R09: 000000c42769f308
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c4202e2120 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #95
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:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
(detected by 1, t=10636 jiffies, g=49149, q=119)
rcu: All QSes seen, last rcu_preempt kthread activity 10509
(4294985482-4294974973), jiffies_till_next_fqs=1, root ->qsmask 0x0
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-fuzzer R
running task 11264 5396 5392 0x80000008
Call Trace:
<IRQ>
sched_show_task.cold.83+0x2b6/0x30a kernel/sched/core.c:5296
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
print_other_cpu_stall.cold.79+0xa83/0xba5 kernel/rcu/tree.c:1430
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
check_cpu_stall kernel/rcu/tree.c:1557 [inline]
__rcu_pending kernel/rcu/tree.c:3276 [inline]
rcu_pending kernel/rcu/tree.c:3319 [inline]
rcu_check_callbacks+0xafc/0x1990 kernel/rcu/tree.c:2665
__alloc_pages 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+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
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
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1029 [inline]
smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1054
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node+0x247/0x730 mm/slab.c:3642
Code: 40 7e 0f 85 32 ff ff ff e8 15 d6 3e ff e9 28 ff ff ff e8 2c 33 c3 ff
48 83 3d cc 81 b0 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00
e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
RSP: 0000:ffff8801dad073d8 EFLAGS: 00000282
ORIG_RAX: ffffffffffffff13
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100375d419b
RDX: 0000000000000000 RSI: ffff8801baea0ce0 RDI: 0000000000000282
RBP: ffff8801dad07448 R08: ffff8801baea0cd8 R09: 0000000000000002
R10: 0000000000000000 R11: ffff8801baea03c0 R12: ffff8801d9be7680
R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000282
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
kthread+0x35a/0x420 kernel/kthread.c:246
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:42551 inactive_anon:372 isolated_anon:0
active_file:18 inactive_file:16 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9758 slab_unreclaimable:1480140
mapped:41138 shmem:379 pagetables:629 bounce:0
free:13631 free_pcp:197 free_cma:0
Node 0 active_anon:170204kB inactive_anon:1488kB active_file:72kB
inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:164552kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Node 0
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
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
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
lowmem_reserve[]: 0
2815 6318
6318
Node 0
DMA32 free:24824kB min:30036kB low:37544kB high:45052kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]: 0
0 3503
3503
Node 0
Normal free:13792kB min:37376kB low:46720kB high:56064kB
active_anon:170204kB inactive_anon:1488kB active_file:72kB
inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2516kB
bounce:0kB free_pcp:788kB local_pcp:300kB free_cma:0kB
lowmem_reserve[]: 0
0 0
0
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
Node 0
DMA: 1*4kB
(U)
0*8kB 0*16kB
1*32kB (U)
2*64kB (U)
1*128kB (U)
1*256kB (U)
0*512kB 1*1024kB
(U) 1*2048kB (M)
3*4096kB (M)
= 15908kB
Node 0
DMA32: 4*4kB
(UM) 3*8kB (UM)
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
1*16kB (M)
2*32kB (UM)
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
2*64kB (M)
4*128kB (UM)
2*256kB (M)
4*512kB (UM)
3*1024kB (M)
3*2048kB (M)
3*4096kB (M)
= 24824kB
Node 0
Normal: 2044*4kB
(UMEH) 226*8kB
(UMEH) 46*16kB
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
(UME) 28*32kB
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
(UME) 10*64kB
(UME)
4*128kB (UM)
0*256kB
2*512kB (U)
0*1024kB 0*2048kB
0*4096kB = 13792kB
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
413 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
343323 pages reserved
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160
[inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0
kernel/locking/spinlock.c:184
Code: a8 29 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c
02 00 75 28 48 83 3d 50 f9 b1 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00
eb ad e8 5c 4d 40 f9 eb bb 0f 0b 0f 0b e8 ba ef 01
RSP: 0000:ffff8801bad0e3f8 EFLAGS: 00000282
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ORIG_RAX: ffffffffffffff13
ksoftirqd/0 cpuset=
RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 1ffff100375d4196
/
RDX: 1ffffffff12e4535 RSI: 0000000000000000 RDI: 0000000000000282
mems_allowed=0
RBP: ffff8801bad0e408 R08: ffff8801baea0cb0 R09: 0000000000000006
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #95
R10: 0000000000000000 R11: ffff8801baea03c0 R12: ffffffff897c4a40
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
R13: 0000000000000001 R14: ffffffff89609000 R15: 0000000000000282
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
spin_unlock_irqrestore include/linux/spinlock.h:384 [inline]
cgroup_file_notify+0x226/0x2f0 kernel/cgroup/cgroup.c:3841
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
memcg_memory_event include/linux/memcontrol.h:771 [inline]
shrink_node+0x5e1/0x16b0 mm/vmscan.c:2724
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
shrink_zones mm/vmscan.c:2964 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3026
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3241
__perform_reclaim mm/page_alloc.c:3769 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
__alloc_pages_slowpath+0x993/0x2d80 mm/page_alloc.c:4191
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
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
alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
page_cache_read mm/filemap.c:2385 [inline]
filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6257
__do_fault+0x100/0x6b0 mm/memory.c:3240
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
do_read_fault mm/memory.c:3652 [inline]
do_fault mm/memory.c:3752 [inline]
handle_pte_fault mm/memory.c:3983 [inline]
__handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
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
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=
__do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
/
mems_allowed=0
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #95
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c420047ab8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
RDX: 000000c420047ac0 RSI: 000000c420047bf0 RDI: 0000000000000011
RBP: 000000c420037e90 R08: 0000000000000002 R09: 000000c42769f308
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c4202e2120 R14: 0000000000000001 R15: 0000000000000000
rcu: rcu_preempt kthread starved for 10509 jiffies! g49149 f0x2
RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task
22560 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2825 [inline]
__schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
schedule+0xfe/0x460 kernel/sched/core.c:3517
__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
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
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+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
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
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)
kthread+0x35a/0x420 kernel/kthread.c:246
ksoftirqd/0 cpuset=
/
mems_allowed=0
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #95
aoe: skb alloc failure
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-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-fuzzer cpuset=
/
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+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
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: 2 callbacks suppressed
CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #95
Mem-Info:
active_anon:42551 inactive_anon:372 isolated_anon:0
active_file:18 inactive_file:16 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9758 slab_unreclaimable:1480140
mapped:41138 shmem:379 pagetables:629 bounce:0
free:13631 free_pcp:197 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:170204kB inactive_anon:1488kB active_file:72kB
inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:164552kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]: 0
2815
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
6318 6318
Node 0
DMA32 free:24824kB min:30036kB low:37544kB high:45052kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]: 0
0 3503
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
3503
Node 0
Normal free:13792kB min:37376kB low:46720kB high:56064kB
active_anon:170204kB inactive_anon:1488kB active_file:72kB
inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2516kB
bounce:0kB free_pcp:788kB local_pcp:300kB free_cma:0kB
lowmem_reserve[]: 0
0 0
0
Node 0
DMA: 1*4kB
(U)
0*8kB 0*16kB
1*32kB (U)
2*64kB (U)
1*128kB (U)
1*256kB (U)
0*512kB 1*1024kB
(U)
1*2048kB (M)
3*4096kB (M)
= 15908kB
Node 0
DMA32: 4*4kB
(UM)
3*8kB (UM)
1*16kB (M)
2*32kB (UM)
2*64kB (M)
4*128kB (UM)
2*256kB (M)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
4*512kB (UM)
3*1024kB (M)
3*2048kB (M)
3*4096kB (M)
= 24824kB
Node 0
Normal: 2044*4kB
(UMEH) 226*8kB
(UMEH)
__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
46*16kB (UME)
28*32kB (UME)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
10*64kB (UME)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
4*128kB (UM)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
0*256kB 2*512kB
(U)
0*1024kB 0*2048kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
0*4096kB = 13792kB
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
413 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
343323 pages reserved
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=
/
mems_allowed=0
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160
[inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0
kernel/locking/spinlock.c:184
Code: a8 29 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c
02 00 75 28 48 83 3d 50 f9 b1 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00
eb ad e8 5c 4d 40 f9 eb bb 0f 0b 0f 0b e8 ba ef 01
RSP: 0000:ffff8801bad0e3f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 1ffff100375d4196
RDX: 1ffffffff12e4535 RSI: 0000000000000000 RDI: 0000000000000282
RBP: ffff8801bad0e408 R08: ffff8801baea0cb0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801baea03c0 R12: ffffffff897c4a40
R13: 0000000000000001 R14: ffffffff89609000 R15: 0000000000000282
spin_unlock_irqrestore include/linux/spinlock.h:384 [inline]
cgroup_file_notify+0x226/0x2f0 kernel/cgroup/cgroup.c:3841
memcg_memory_event include/linux/memcontrol.h:771 [inline]
shrink_node+0x5e1/0x16b0 mm/vmscan.c:2724
shrink_zones mm/vmscan.c:2964 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3026
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3241
__perform_reclaim mm/page_alloc.c:3769 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
__alloc_pages_slowpath+0x993/0x2d80 mm/page_alloc.c:4191
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
page_cache_read mm/filemap.c:2385 [inline]
filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6257
__do_fault+0x100/0x6b0 mm/memory.c:3240
do_read_fault mm/memory.c:3652 [inline]
do_fault mm/memory.c:3752 [inline]
handle_pte_fault mm/memory.c:3983 [inline]
__handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
__do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c420047ab8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
RDX: 000000c420047ac0 RSI: 000000c420047bf0 RDI: 0000000000000011
RBP: 000000c420037e90 R08: 0000000000000002 R09: 000000c42769f308
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c4202e2120 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #95
aoe: skb alloc failure
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-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-fuzzer cpuset=
/
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+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
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: 5396 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #95
Mem-Info:
active_anon:42551 inactive_anon:372 isolated_anon:0
active_file:18 inactive_file:16 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9758 slab_unreclaimable:1480140
mapped:41138 shmem:379 pagetables:629 bounce:0
free:13631 free_pcp:197 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:170204kB inactive_anon:1488kB active_file:72kB
inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:164552kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]: 0
2815 6318
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
6318
Node 0
DMA32 free:24824kB min:30036kB low:37544kB high:45052kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]: 0
0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
3503 3503
Node 0
Normal free:13792kB min:37376kB low:46720kB high:56064kB
active_anon:170204kB inactive_anon:1488kB active_file:72kB
inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2516kB
bounce:0kB free_pcp:788kB local_pcp:300kB free_cma:0kB
lowmem_reserve[]: 0
0
0
0
Node 0
DMA: 1*4kB
(U) 0*8kB
0*16kB
1*32kB (U)
2*64kB (U)
1*128kB (U)
1*256kB (U)
0*512kB 1*1024kB
(U)
1*2048kB (M)
3*4096kB (M)
= 15908kB
Node 0
DMA32: 4*4kB
(UM)
3*8kB (UM)
1*16kB (M)
2*32kB (UM)
2*64kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(M) 4*128kB
(UM)
2*256kB (M)
4*512kB (UM)
3*1024kB (M)
3*2048kB (M) 3*4096kB
(M) = 24824kB
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: 2044*4kB
(UMEH) 226*8kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UMEH)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
46*16kB (UME)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
28*32kB (UME)
10*64kB (UME)
4*128kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM) 0*256kB
2*512kB (U)
0*1024kB 0*2048kB
0*4096kB = 13792kB
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
413 total pagecache pages
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
0 pages in swap cache
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
343323 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)
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
ksoftirqd/0 cpuset=
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
/
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
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160
[inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0
kernel/locking/spinlock.c:184
Code: a8 29 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c
02 00 75 28 48 83 3d 50 f9 b1 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00
eb ad e8 5c 4d 40 f9 eb bb 0f 0b 0f 0b e8 ba ef 01
RSP: 0000:ffff8801bad0e3f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 1ffff100375d4196
RDX: 1ffffffff12e4535 RSI: 0000000000000000 RDI: 0000000000000282
RBP: ffff8801bad0e408 R08: ffff8801baea0cb0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801baea03c0 R12: ffffffff897c4a40
R13: 0000000000000001 R14: ffffffff89609000 R15: 0000000000000282
spin_unlock_irqrestore include/linux/spinlock.h:384 [inline]
cgroup_file_notify+0x226/0x2f0 kernel/cgroup/cgroup.c:3841
memcg_memory_event include/linux/memcontrol.h:771 [inline]
shrink_node+0x5e1/0x16b0 mm/vmscan.c:2724
shrink_zones mm/vmscan.c:2964 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3026
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3241
__perform_reclaim mm/page_alloc.c:3769 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
__alloc_pages_slowpath+0x993/0x2d80 mm/page_alloc.c:4191
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
page_cache_read mm/filemap.c:2385 [inline]
filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6257
__do_fault+0x100/0x6b0 mm/memory.c:3240
do_read_fault mm/memory.c:3652 [inline]
do_fault mm/memory.c:3752 [inline]
handle_pte_fault mm/memory.c:3983 [inline]
__handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
__do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c420047ab8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
RDX: 000000c420047ac0 RSI: 000000c420047bf0 RDI: 0000000000000011
RBP: 000000c420037e90 R08: 0000000000000002 R09: 000000c42769f308
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c4202e2120 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #95
aoe: skb alloc failure
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.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=
/
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+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
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: 5396 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #95
Mem-Info:
active_anon:42551 inactive_anon:372 isolated_anon:0
active_file:18 inactive_file:16 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9758 slab_unreclaimable:1480140
mapped:41138 shmem:379 pagetables:629 bounce:0
free:13631 free_pcp:197 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:170204kB inactive_anon:1488kB active_file:72kB
inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:164552kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]: 0
2815 6318
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
6318
Node 0
DMA32 free:24824kB min:30036kB low:37544kB high:45052kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]: 0
0 3503
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
3503
Node 0
Normal free:13792kB min:37376kB low:46720kB high:56064kB
active_anon:170204kB inactive_anon:1488kB active_file:72kB
inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2516kB
bounce:0kB free_pcp:788kB local_pcp:300kB free_cma:0kB
lowmem_reserve[]: 0
0
0 0
Node 0
DMA: 1*4kB
(U)
0*8kB 0*16kB
1*32kB (U)
2*64kB (U)
1*128kB (U)
1*256kB (U)
0*512kB 1*1024kB
(U) 1*2048kB
(M)
3*4096kB (M)
= 15908kB
Node 0
DMA32: 4*4kB
(UM) 3*8kB
(UM)
1*16kB
(M) 2*32kB
(UM) 2*64kB
(M) 4*128kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(UM) 2*256kB
(M) 4*512kB
(UM) 3*1024kB
(M) 3*2048kB
(M)
3*4096kB (M)
= 24824kB
Node 0
Normal: 2044*4kB
__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
(UMEH) 226*8kB
(UMEH) 46*16kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UME)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
28*32kB (UME)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
10*64kB (UME)
4*128kB
(UM)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
0*256kB 2*512kB
(U)
0*1024kB 0*2048kB
0*4096kB
= 13792kB
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
413 total pagecache pages
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
0 pages in swap cache
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
343323 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
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
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160
[inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0
kernel/locking/spinlock.c:184
Code: a8 29 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c
02 00 75 28 48 83 3d 50 f9 b1 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00
eb ad e8 5c 4d 40 f9 eb bb 0f 0b 0f 0b e8 ba ef 01
RSP: 0000:ffff8801bad0e3f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 1ffff100375d4196
RDX: 1ffffffff12e4535 RSI: 0000000000000000 RDI: 0000000000000282
RBP: ffff8801bad0e408 R08: ffff8801baea0cb0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801baea03c0 R12: ffffffff897c4a40
R13: 0000000000000001 R14: ffffffff89609000 R15: 0000000000000282
spin_unlock_irqrestore include/linux/spinlock.h:384 [inline]
cgroup_file_notify+0x226/0x2f0 kernel/cgroup/cgroup.c:3841
memcg_memory_event include/linux/memcontrol.h:771 [inline]
shrink_node+0x5e1/0x16b0 mm/vmscan.c:2724
shrink_zones mm/vmscan.c:2964 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3026
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3241
__perform_reclaim mm/page_alloc.c:3769 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
__alloc_pages_slowpath+0x993/0x2d80 mm/page_alloc.c:4191
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#bug-status-tracking for how to communicate with
syzbot.
syzbot found the following crash on:
HEAD commit: 1edb6e035eb7 net/core/filter: fix unused-variable warning
git tree: bpf-next
console output: https://syzkaller.appspot.com/x/log.txt?x=11029c1a400000
kernel config: https://syzkaller.appspot.com/x/.config?x=8f59875069d721b6
dashboard link: https://syzkaller.appspot.com/bug?extid=ee54c7937690fb71721f
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
CC: [linux-...@vger.kernel.org mi...@kernel.org
m...@ellerman.id.au pet...@infradead.org tg...@linutronix.de]
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+ee54c7...@syzkaller.appspotmail.com
RDX: 000000c420047ac0 RSI: 000000c420047bf0 RDI: 0000000000000011
RBP: 000000c420037e90 R08: 0000000000000002 R09: 000000c42769f308
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c4202e2120 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #95
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:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
(detected by 1, t=10636 jiffies, g=49149, q=119)
rcu: All QSes seen, last rcu_preempt kthread activity 10509
(4294985482-4294974973), jiffies_till_next_fqs=1, root ->qsmask 0x0
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-fuzzer R
running task 11264 5396 5392 0x80000008
Call Trace:
<IRQ>
sched_show_task.cold.83+0x2b6/0x30a kernel/sched/core.c:5296
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
print_other_cpu_stall.cold.79+0xa83/0xba5 kernel/rcu/tree.c:1430
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
check_cpu_stall kernel/rcu/tree.c:1557 [inline]
__rcu_pending kernel/rcu/tree.c:3276 [inline]
rcu_pending kernel/rcu/tree.c:3319 [inline]
rcu_check_callbacks+0xafc/0x1990 kernel/rcu/tree.c:2665
__alloc_pages 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+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
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
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1029 [inline]
smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1054
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node+0x247/0x730 mm/slab.c:3642
Code: 40 7e 0f 85 32 ff ff ff e8 15 d6 3e ff e9 28 ff ff ff e8 2c 33 c3 ff
48 83 3d cc 81 b0 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00
e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
RSP: 0000:ffff8801dad073d8 EFLAGS: 00000282
ORIG_RAX: ffffffffffffff13
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100375d419b
RDX: 0000000000000000 RSI: ffff8801baea0ce0 RDI: 0000000000000282
RBP: ffff8801dad07448 R08: ffff8801baea0cd8 R09: 0000000000000002
R10: 0000000000000000 R11: ffff8801baea03c0 R12: ffff8801d9be7680
R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000282
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
kthread+0x35a/0x420 kernel/kthread.c:246
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:42551 inactive_anon:372 isolated_anon:0
active_file:18 inactive_file:16 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9758 slab_unreclaimable:1480140
mapped:41138 shmem:379 pagetables:629 bounce:0
free:13631 free_pcp:197 free_cma:0
Node 0 active_anon:170204kB inactive_anon:1488kB active_file:72kB
inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:164552kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Node 0
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
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
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
lowmem_reserve[]: 0
2815 6318
6318
Node 0
DMA32 free:24824kB min:30036kB low:37544kB high:45052kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]: 0
0 3503
3503
Node 0
Normal free:13792kB min:37376kB low:46720kB high:56064kB
active_anon:170204kB inactive_anon:1488kB active_file:72kB
inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2516kB
bounce:0kB free_pcp:788kB local_pcp:300kB free_cma:0kB
lowmem_reserve[]: 0
0 0
0
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
Node 0
DMA: 1*4kB
(U)
0*8kB 0*16kB
1*32kB (U)
2*64kB (U)
1*128kB (U)
1*256kB (U)
0*512kB 1*1024kB
(U) 1*2048kB (M)
3*4096kB (M)
= 15908kB
Node 0
DMA32: 4*4kB
(UM) 3*8kB (UM)
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
1*16kB (M)
2*32kB (UM)
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
2*64kB (M)
4*128kB (UM)
2*256kB (M)
4*512kB (UM)
3*1024kB (M)
3*2048kB (M)
3*4096kB (M)
= 24824kB
Node 0
Normal: 2044*4kB
(UMEH) 226*8kB
(UMEH) 46*16kB
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
(UME) 28*32kB
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
(UME) 10*64kB
(UME)
4*128kB (UM)
0*256kB
2*512kB (U)
0*1024kB 0*2048kB
0*4096kB = 13792kB
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
413 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
343323 pages reserved
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160
[inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0
kernel/locking/spinlock.c:184
Code: a8 29 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c
02 00 75 28 48 83 3d 50 f9 b1 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00
eb ad e8 5c 4d 40 f9 eb bb 0f 0b 0f 0b e8 ba ef 01
RSP: 0000:ffff8801bad0e3f8 EFLAGS: 00000282
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ORIG_RAX: ffffffffffffff13
ksoftirqd/0 cpuset=
RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 1ffff100375d4196
/
RDX: 1ffffffff12e4535 RSI: 0000000000000000 RDI: 0000000000000282
mems_allowed=0
RBP: ffff8801bad0e408 R08: ffff8801baea0cb0 R09: 0000000000000006
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #95
R10: 0000000000000000 R11: ffff8801baea03c0 R12: ffffffff897c4a40
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
R13: 0000000000000001 R14: ffffffff89609000 R15: 0000000000000282
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
spin_unlock_irqrestore include/linux/spinlock.h:384 [inline]
cgroup_file_notify+0x226/0x2f0 kernel/cgroup/cgroup.c:3841
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
memcg_memory_event include/linux/memcontrol.h:771 [inline]
shrink_node+0x5e1/0x16b0 mm/vmscan.c:2724
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
shrink_zones mm/vmscan.c:2964 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3026
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3241
__perform_reclaim mm/page_alloc.c:3769 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
__alloc_pages_slowpath+0x993/0x2d80 mm/page_alloc.c:4191
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
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
alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
page_cache_read mm/filemap.c:2385 [inline]
filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6257
__do_fault+0x100/0x6b0 mm/memory.c:3240
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
do_read_fault mm/memory.c:3652 [inline]
do_fault mm/memory.c:3752 [inline]
handle_pte_fault mm/memory.c:3983 [inline]
__handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
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
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=
__do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
/
mems_allowed=0
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #95
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c420047ab8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
RDX: 000000c420047ac0 RSI: 000000c420047bf0 RDI: 0000000000000011
RBP: 000000c420037e90 R08: 0000000000000002 R09: 000000c42769f308
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c4202e2120 R14: 0000000000000001 R15: 0000000000000000
rcu: rcu_preempt kthread starved for 10509 jiffies! g49149 f0x2
RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task
22560 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2825 [inline]
__schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
schedule+0xfe/0x460 kernel/sched/core.c:3517
__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
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
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+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
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
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)
kthread+0x35a/0x420 kernel/kthread.c:246
ksoftirqd/0 cpuset=
/
mems_allowed=0
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #95
aoe: skb alloc failure
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-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-fuzzer cpuset=
/
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+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
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: 2 callbacks suppressed
CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #95
Mem-Info:
active_anon:42551 inactive_anon:372 isolated_anon:0
active_file:18 inactive_file:16 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9758 slab_unreclaimable:1480140
mapped:41138 shmem:379 pagetables:629 bounce:0
free:13631 free_pcp:197 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:170204kB inactive_anon:1488kB active_file:72kB
inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:164552kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]: 0
2815
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
6318 6318
Node 0
DMA32 free:24824kB min:30036kB low:37544kB high:45052kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]: 0
0 3503
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
3503
Node 0
Normal free:13792kB min:37376kB low:46720kB high:56064kB
active_anon:170204kB inactive_anon:1488kB active_file:72kB
inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2516kB
bounce:0kB free_pcp:788kB local_pcp:300kB free_cma:0kB
lowmem_reserve[]: 0
0 0
0
Node 0
DMA: 1*4kB
(U)
0*8kB 0*16kB
1*32kB (U)
2*64kB (U)
1*128kB (U)
1*256kB (U)
0*512kB 1*1024kB
(U)
1*2048kB (M)
3*4096kB (M)
= 15908kB
Node 0
DMA32: 4*4kB
(UM)
3*8kB (UM)
1*16kB (M)
2*32kB (UM)
2*64kB (M)
4*128kB (UM)
2*256kB (M)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
4*512kB (UM)
3*1024kB (M)
3*2048kB (M)
3*4096kB (M)
= 24824kB
Node 0
Normal: 2044*4kB
(UMEH) 226*8kB
(UMEH)
__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
46*16kB (UME)
28*32kB (UME)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
10*64kB (UME)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
4*128kB (UM)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
0*256kB 2*512kB
(U)
0*1024kB 0*2048kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
0*4096kB = 13792kB
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
413 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
343323 pages reserved
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=
/
mems_allowed=0
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160
[inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0
kernel/locking/spinlock.c:184
Code: a8 29 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c
02 00 75 28 48 83 3d 50 f9 b1 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00
eb ad e8 5c 4d 40 f9 eb bb 0f 0b 0f 0b e8 ba ef 01
RSP: 0000:ffff8801bad0e3f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 1ffff100375d4196
RDX: 1ffffffff12e4535 RSI: 0000000000000000 RDI: 0000000000000282
RBP: ffff8801bad0e408 R08: ffff8801baea0cb0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801baea03c0 R12: ffffffff897c4a40
R13: 0000000000000001 R14: ffffffff89609000 R15: 0000000000000282
spin_unlock_irqrestore include/linux/spinlock.h:384 [inline]
cgroup_file_notify+0x226/0x2f0 kernel/cgroup/cgroup.c:3841
memcg_memory_event include/linux/memcontrol.h:771 [inline]
shrink_node+0x5e1/0x16b0 mm/vmscan.c:2724
shrink_zones mm/vmscan.c:2964 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3026
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3241
__perform_reclaim mm/page_alloc.c:3769 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
__alloc_pages_slowpath+0x993/0x2d80 mm/page_alloc.c:4191
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
page_cache_read mm/filemap.c:2385 [inline]
filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6257
__do_fault+0x100/0x6b0 mm/memory.c:3240
do_read_fault mm/memory.c:3652 [inline]
do_fault mm/memory.c:3752 [inline]
handle_pte_fault mm/memory.c:3983 [inline]
__handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
__do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c420047ab8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
RDX: 000000c420047ac0 RSI: 000000c420047bf0 RDI: 0000000000000011
RBP: 000000c420037e90 R08: 0000000000000002 R09: 000000c42769f308
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c4202e2120 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #95
aoe: skb alloc failure
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-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-fuzzer cpuset=
/
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+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
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: 5396 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #95
Mem-Info:
active_anon:42551 inactive_anon:372 isolated_anon:0
active_file:18 inactive_file:16 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9758 slab_unreclaimable:1480140
mapped:41138 shmem:379 pagetables:629 bounce:0
free:13631 free_pcp:197 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:170204kB inactive_anon:1488kB active_file:72kB
inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:164552kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]: 0
2815 6318
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
6318
Node 0
DMA32 free:24824kB min:30036kB low:37544kB high:45052kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]: 0
0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
3503 3503
Node 0
Normal free:13792kB min:37376kB low:46720kB high:56064kB
active_anon:170204kB inactive_anon:1488kB active_file:72kB
inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2516kB
bounce:0kB free_pcp:788kB local_pcp:300kB free_cma:0kB
lowmem_reserve[]: 0
0
0
0
Node 0
DMA: 1*4kB
(U) 0*8kB
0*16kB
1*32kB (U)
2*64kB (U)
1*128kB (U)
1*256kB (U)
0*512kB 1*1024kB
(U)
1*2048kB (M)
3*4096kB (M)
= 15908kB
Node 0
DMA32: 4*4kB
(UM)
3*8kB (UM)
1*16kB (M)
2*32kB (UM)
2*64kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(M) 4*128kB
(UM)
2*256kB (M)
4*512kB (UM)
3*1024kB (M)
3*2048kB (M) 3*4096kB
(M) = 24824kB
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: 2044*4kB
(UMEH) 226*8kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UMEH)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
46*16kB (UME)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
28*32kB (UME)
10*64kB (UME)
4*128kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM) 0*256kB
2*512kB (U)
0*1024kB 0*2048kB
0*4096kB = 13792kB
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
413 total pagecache pages
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
0 pages in swap cache
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
343323 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)
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
ksoftirqd/0 cpuset=
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
/
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
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160
[inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0
kernel/locking/spinlock.c:184
Code: a8 29 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c
02 00 75 28 48 83 3d 50 f9 b1 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00
eb ad e8 5c 4d 40 f9 eb bb 0f 0b 0f 0b e8 ba ef 01
RSP: 0000:ffff8801bad0e3f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 1ffff100375d4196
RDX: 1ffffffff12e4535 RSI: 0000000000000000 RDI: 0000000000000282
RBP: ffff8801bad0e408 R08: ffff8801baea0cb0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801baea03c0 R12: ffffffff897c4a40
R13: 0000000000000001 R14: ffffffff89609000 R15: 0000000000000282
spin_unlock_irqrestore include/linux/spinlock.h:384 [inline]
cgroup_file_notify+0x226/0x2f0 kernel/cgroup/cgroup.c:3841
memcg_memory_event include/linux/memcontrol.h:771 [inline]
shrink_node+0x5e1/0x16b0 mm/vmscan.c:2724
shrink_zones mm/vmscan.c:2964 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3026
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3241
__perform_reclaim mm/page_alloc.c:3769 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
__alloc_pages_slowpath+0x993/0x2d80 mm/page_alloc.c:4191
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
page_cache_read mm/filemap.c:2385 [inline]
filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6257
__do_fault+0x100/0x6b0 mm/memory.c:3240
do_read_fault mm/memory.c:3652 [inline]
do_fault mm/memory.c:3752 [inline]
handle_pte_fault mm/memory.c:3983 [inline]
__handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
__do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c420047ab8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
RDX: 000000c420047ac0 RSI: 000000c420047bf0 RDI: 0000000000000011
RBP: 000000c420037e90 R08: 0000000000000002 R09: 000000c42769f308
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c4202e2120 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #95
aoe: skb alloc failure
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.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=
/
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+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
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: 5396 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #95
Mem-Info:
active_anon:42551 inactive_anon:372 isolated_anon:0
active_file:18 inactive_file:16 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9758 slab_unreclaimable:1480140
mapped:41138 shmem:379 pagetables:629 bounce:0
free:13631 free_pcp:197 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:170204kB inactive_anon:1488kB active_file:72kB
inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:164552kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]: 0
2815 6318
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
6318
Node 0
DMA32 free:24824kB min:30036kB low:37544kB high:45052kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]: 0
0 3503
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
3503
Node 0
Normal free:13792kB min:37376kB low:46720kB high:56064kB
active_anon:170204kB inactive_anon:1488kB active_file:72kB
inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587472kB mlocked:0kB kernel_stack:5408kB pagetables:2516kB
bounce:0kB free_pcp:788kB local_pcp:300kB free_cma:0kB
lowmem_reserve[]: 0
0
0 0
Node 0
DMA: 1*4kB
(U)
0*8kB 0*16kB
1*32kB (U)
2*64kB (U)
1*128kB (U)
1*256kB (U)
0*512kB 1*1024kB
(U) 1*2048kB
(M)
3*4096kB (M)
= 15908kB
Node 0
DMA32: 4*4kB
(UM) 3*8kB
(UM)
1*16kB
(M) 2*32kB
(UM) 2*64kB
(M) 4*128kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(UM) 2*256kB
(M) 4*512kB
(UM) 3*1024kB
(M) 3*2048kB
(M)
3*4096kB (M)
= 24824kB
Node 0
Normal: 2044*4kB
__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
(UMEH) 226*8kB
(UMEH) 46*16kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UME)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
28*32kB (UME)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
10*64kB (UME)
4*128kB
(UM)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
0*256kB 2*512kB
(U)
0*1024kB 0*2048kB
0*4096kB
= 13792kB
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
413 total pagecache pages
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
0 pages in swap cache
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
343323 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
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
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160
[inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0
kernel/locking/spinlock.c:184
Code: a8 29 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c
02 00 75 28 48 83 3d 50 f9 b1 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00
eb ad e8 5c 4d 40 f9 eb bb 0f 0b 0f 0b e8 ba ef 01
RSP: 0000:ffff8801bad0e3f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 1ffff100375d4196
RDX: 1ffffffff12e4535 RSI: 0000000000000000 RDI: 0000000000000282
RBP: ffff8801bad0e408 R08: ffff8801baea0cb0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801baea03c0 R12: ffffffff897c4a40
R13: 0000000000000001 R14: ffffffff89609000 R15: 0000000000000282
spin_unlock_irqrestore include/linux/spinlock.h:384 [inline]
cgroup_file_notify+0x226/0x2f0 kernel/cgroup/cgroup.c:3841
memcg_memory_event include/linux/memcontrol.h:771 [inline]
shrink_node+0x5e1/0x16b0 mm/vmscan.c:2724
shrink_zones mm/vmscan.c:2964 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3026
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3241
__perform_reclaim mm/page_alloc.c:3769 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
__alloc_pages_slowpath+0x993/0x2d80 mm/page_alloc.c:4191
---
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