INFO: rcu detected stall in call_timer_fn

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syzbot

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Sep 30, 2018, 3:04:04 PM9/30/18
to syzkaller-upst...@googlegroups.com
Hello,

syzbot found the following crash on:

HEAD commit: 4288ea006c73 bpf: harden flags check in cgroup_storage_upd..
git tree: bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=14e03031400000
kernel config: https://syzkaller.appspot.com/x/.config?x=a8212f992609a887
dashboard link: https://syzkaller.appspot.com/bug?extid=6703acd038e364329b7d
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
CC: [b...@alien8.de douly...@cn.fujitsu.com h...@zytor.com
konra...@oracle.com len....@intel.com linux-...@vger.kernel.org
mi...@redhat.com pbon...@redhat.com tg...@linutronix.de vba...@suse.cz
ville....@linux.intel.com x...@kernel.org]

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+6703ac...@syzkaller.appspotmail.com

R13: 000000c4274cc300 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 12129 Comm: syz-executor1 Not tainted 4.19.0-rc5+ #61
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:
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
rcu: 0-...!: (63 ticks this GP) idle=ec2/1/0x4000000000000002
softirq=76059/76059 fqs=0
rcu: (detected by 1, t=10502 jiffies, g=101581, q=1)
Sending NMI from CPU 1 to CPUs 0:
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
NMI backtrace for cpu 0
CPU: 0 PID: 12129 Comm: syz-executor1 Not tainted 4.19.0-rc5+ #61
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x15/0x20 kernel/kcov.c:174
Code: 00 48 89 e5 48 8b 4d 08 e8 c8 fe ff ff 5d c3 66 0f 1f 44 00 00 55 40
0f b6 d6 40 0f b6 f7 bf 01 00 00 00 48 89 e5 48 8b 4d 08 <e8> a6 fe ff ff
5d c3 0f 1f 40 00 55 0f b7 d6 0f b7 f7 bf 03 00 00
RSP: 0000:ffff8801dae061b8 EFLAGS: 00000086
RAX: dffffc0000000000 RBX: ffff8801dae062b9 RCX: ffffffff87ac29b7
RDX: 0000000000000031 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8801dae061b8 R08: ffff8801d742a580 R09: ffffed003b5c0c58
R10: ffffed003b5c0c58 R11: ffff8801dae062c0 R12: ffffffff8ae9bb54
R13: ffffffffffffffed R14: 0000000000000031 R15: ffff8801dae062ba
FS: 00007fb27ba2a700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdbf1face40 CR3: 00000001c8890000 CR4: 00000000001406f0
DR0: 0000000020000340 DR1: 00000000200001c0 DR2: 0000000020000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
<IRQ>
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
string+0x197/0x2d0 lib/vsprintf.c:605
symbol_string+0x174/0x210 lib/vsprintf.c:700
__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
pointer+0x6f4/0x990 lib/vsprintf.c:1879
____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
vsnprintf+0x639/0x1b60 lib/vsprintf.c:2297
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
vscnprintf+0x2d/0x80 lib/vsprintf.c:2396
vprintk_store+0x43/0x510 kernel/printk/printk.c:1847
vprintk_emit+0x1c1/0x930 kernel/printk/printk.c:1905
vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
printk+0xa7/0xcf kernel/printk/printk.c:1996
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
printk_stack_address arch/x86/kernel/dumpstack.c:71 [inline]
show_trace_log_lvl+0x23a/0x28c arch/x86/kernel/dumpstack.c:258
show_stack+0x38/0x3a arch/x86/kernel/dumpstack.c:293
__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
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
__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
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
____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
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
Code: 7e 0f 85 cf fe ff ff e8 36 c1 3e ff e9 c5 fe ff ff e8 8d 04 c3 ff 48
83 3d 6d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00
e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e
RSP: 0000:ffff8801bae47748 EFLAGS: 00000286
ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000426e000
RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286
RBP: ffff8801bae477b0 R08: ffff8801d742a580 R09: fffffbfff12811f4
R10: ffff8801bae46390 R11: ffffffff89408fa3 R12: 0000000000000000
R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
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
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_d9cbba4354f274cf+0x325/0x1000
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 36 c1 3e ff e9 c5 fe ff ff e8 8d 04 c3 ff 48
83 3d 6d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00
e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e
RSP: 0000:ffff8801bae47748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000426e000
RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286
RBP: ffff8801bae477b0 R08: ffff8801d742a580 R09: fffffbfff12811f4
R10: ffff8801bae46390 R11: ffffffff89408fa3 R12: 0000000000000000
R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280

Lost 50 message(s)!
rcu: rcu_preempt kthread starved for 10502 jiffies! g101581 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
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
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:43661 inactive_anon:1532 isolated_anon:0
active_file:16 inactive_file:17 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9668 slab_unreclaimable:1479122
mapped:40962 shmem:1539 pagetables:573 bounce:0
free:13657 free_pcp:168 free_cma:0
Node 0 active_anon:174644kB inactive_anon:6128kB active_file:64kB
inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:163848kB dirty:0kB writeback:0kB shmem:6156kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
Node 0
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]:
0 2819
6323 6323
rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
Node 0 DMA32 free:25128kB 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:13592kB min:37352kB low:46688kB high:56024kB
active_anon:174644kB inactive_anon:6128kB active_file:64kB
inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB
managed:3588044kB mlocked:0kB kernel_stack:5312kB pagetables:2292kB
bounce:0kB free_pcp:672kB local_pcp:260kB free_cma:0kB
lowmem_reserve[]: 0 0
0 0
Node 0
DMA: 1*4kB (U)
0*8kB
0*16kB
1*32kB
(U) 2*64kB
(U) 1*128kB (U)
1*256kB (U)
0*512kB
1*1024kB (U) 1*2048kB
(M) 3*4096kB (M)
= 15908kB
Node 0
DMA32:
4*4kB
(M)
1*8kB (U) 3*16kB
(UM)
3*32kB (UM)
4*64kB
(M)
3*128kB
(M)
3*256kB
(M)
4*512kB
(UM)
3*1024kB
(UM)
3*2048kB
(M)
3*4096kB
(M)
= 25128kB
Node 0 Normal:
992*4kB
(UME)
425*8kB (UME)
169*16kB (ME)
86*32kB (UME) 12*64kB
(UM) 0*128kB 0*256kB
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 13592kB
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
1572 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
kthread+0x35a/0x420 kernel/kthread.c:246
342307 pages reserved
0 pages cma reserved
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.644
msecs
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
aoe: skb alloc failure
syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-executor1 cpuset=
syz-fuzzer cpuset=
syz1 mems_allowed=0
/ mems_allowed=0
CPU: 0 PID: 12129 Comm: syz-executor1 Not tainted 4.19.0-rc5+ #61
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
__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]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
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:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 36 c1 3e ff e9 c5 fe ff ff e8 8d 04 c3 ff 48
83 3d 6d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00
e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e
RSP: 0000:ffff8801bae47748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000426e000
RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286
RBP: ffff8801bae477b0 R08: ffff8801d742a580 R09: fffffbfff12811f4
R10: ffff8801bae46390 R11: ffffffff89408fa3 R12: 0000000000000000
R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_d9cbba4354f274cf+0x325/0x1000
CPU: 1 PID: 5828 Comm: syz-fuzzer Not tainted 4.19.0-rc5+ #61
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-executor1 cpuset=
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
syz1
mems_allowed=0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h: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
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:console_unlock+0xfdf/0x1160 kernel/printk/printk.c:2409
Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 5d 74 cd 07 00 0f
84 bc 00 00 00 e8 ca 37 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 1b 97 5d 00
RSP: 0000:ffff8801d7d654c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d7d6e640 RBX: 0000000000000200 RCX: ffffffff8184c1ba
RDX: 0000000000000000 RSI: ffffffff81647db6 RDI: 0000000000000293
RBP: ffff8801d7d65630 R08: ffff8801d7d6e640 R09: fffffbfff12720b0
R10: fffffbfff12720b0 R11: ffffffff89390583 R12: dffffc0000000000
R13: ffffffff8487f1f0 R14: dffffc0000000000 R15: ffffffff899424f0
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:1996
show_migration_types mm/page_alloc.c:4841 [inline]
show_free_areas.cold.120+0x1f34/0x215d mm/page_alloc.c:5031
show_mem+0x34/0x17b lib/show_mem.c:18
dump_header+0x2f1/0xf72 mm/oom_kill.c:445
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
page_cache_read mm/filemap.c:2385 [inline]
filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259
__do_fault+0x100/0x6b0 mm/memory.c:3240
do_read_fault mm/memory.c:3652 [inline]
do_fault mm/memory.c:3752 [inline]
handle_pte_fault mm/memory.c:3983 [inline]
__handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
__do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x45ddf3
Code: Bad RIP value.
RSP: 002b:000000c4200236a0 EFLAGS: 00010206
RAX: ffffffffffffff92 RBX: 000000003b98ab82 RCX: 000000000045ddf3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980
RBP: 000000c4200236e8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c4200236d8 R11: 0000000000000206 R12: 0000000000000001
R13: 000000c4274cc300 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 12129 Comm: syz-executor1 Not tainted 4.19.0-rc5+ #61
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:
<IRQ>
__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)
syz-fuzzer cpuset=
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
/
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]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
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:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 36 c1 3e ff e9 c5 fe ff ff e8 8d 04 c3 ff 48
83 3d 6d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00
e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e
RSP: 0000:ffff8801bae47748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000426e000
RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286
RBP: ffff8801bae477b0 R08: ffff8801d742a580 R09: fffffbfff12811f4
R10: ffff8801bae46390 R11: ffffffff89408fa3 R12: 0000000000000000
R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_d9cbba4354f274cf+0x325/0x1000
warn_alloc_show_mem: 2 callbacks suppressed
CPU: 1 PID: 5828 Comm: syz-fuzzer Not tainted 4.19.0-rc5+ #61
Mem-Info:
active_anon:43661 inactive_anon:1532 isolated_anon:0
active_file:16 inactive_file:17 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9668 slab_unreclaimable:1479122
mapped:40962 shmem:1539 pagetables:573 bounce:0
free:13657 free_pcp:168 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:174644kB inactive_anon:6128kB active_file:64kB
inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:163848kB dirty:0kB writeback:0kB shmem:6156kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]:
0 2819
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
6323
6323
Node 0
DMA32 free:25128kB 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:13592kB min:37352kB low:46688kB high:56024kB
active_anon:174644kB inactive_anon:6128kB active_file:64kB
inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB
managed:3588044kB mlocked:0kB kernel_stack:5312kB pagetables:2292kB
bounce:0kB free_pcp:672kB local_pcp:260kB free_cma:0kB
lowmem_reserve[]:
0
0
0
0
Node 0
DMA:
1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U)
2*64kB
(U)
1*128kB
(U)
1*256kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(U)
0*512kB
1*1024kB
(U)
1*2048kB
(M)
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
3*4096kB
(M)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
= 15908kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
Node 0
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
DMA32:
4*4kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(M)
1*8kB
(U)
3*16kB
(UM)
3*32kB
(UM)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
4*64kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(M)
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
3*128kB
(M)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
3*256kB
(M) 4*512kB
(UM)
3*1024kB
(UM)
3*2048kB
(M)
3*4096kB
(M)
= 25128kB
Node 0
Normal:
992*4kB
(UME)
425*8kB
(UME)
169*16kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
(ME)
86*32kB
(UME)
12*64kB
(UM)
0*128kB
0*256kB
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 13592kB
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
1572 total pagecache pages
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
Free swap = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342307 pages reserved
0 pages cma reserved
aoe: skb alloc failure
syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-executor1 cpuset=
syz1
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
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0xfdf/0x1160 kernel/printk/printk.c:2409
Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 5d 74 cd 07 00 0f
84 bc 00 00 00 e8 ca 37 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 1b 97 5d 00
RSP: 0000:ffff8801d7d654c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d7d6e640 RBX: 0000000000000200 RCX: ffffffff8184c1ba
RDX: 0000000000000000 RSI: ffffffff81647db6 RDI: 0000000000000293
RBP: ffff8801d7d65630 R08: ffff8801d7d6e640 R09: fffffbfff12720b0
R10: fffffbfff12720b0 R11: ffffffff89390583 R12: dffffc0000000000
R13: ffffffff8487f1f0 R14: dffffc0000000000 R15: ffffffff899424f0
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:1996
show_migration_types mm/page_alloc.c:4841 [inline]
show_free_areas.cold.120+0x1f34/0x215d mm/page_alloc.c:5031
show_mem+0x34/0x17b lib/show_mem.c:18
dump_header+0x2f1/0xf72 mm/oom_kill.c:445
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
page_cache_read mm/filemap.c:2385 [inline]
filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259
__do_fault+0x100/0x6b0 mm/memory.c:3240
do_read_fault mm/memory.c:3652 [inline]
do_fault mm/memory.c:3752 [inline]
handle_pte_fault mm/memory.c:3983 [inline]
__handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
__do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x45ddf3
Code: Bad RIP value.
RSP: 002b:000000c4200236a0 EFLAGS: 00010206
RAX: ffffffffffffff92 RBX: 000000003b98ab82 RCX: 000000000045ddf3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980
RBP: 000000c4200236e8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c4200236d8 R11: 0000000000000206 R12: 0000000000000001
R13: 000000c4274cc300 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 12129 Comm: syz-executor1 Not tainted 4.19.0-rc5+ #61
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:
<IRQ>
__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.119+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]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
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:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 36 c1 3e ff e9 c5 fe ff ff e8 8d 04 c3 ff 48
83 3d 6d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00
e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e
RSP: 0000:ffff8801bae47748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000426e000
RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286
RBP: ffff8801bae477b0 R08: ffff8801d742a580 R09: fffffbfff12811f4
R10: ffff8801bae46390 R11: ffffffff89408fa3 R12: 0000000000000000
R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_d9cbba4354f274cf+0x325/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5828 Comm: syz-fuzzer Not tainted 4.19.0-rc5+ #61
Mem-Info:
active_anon:43661 inactive_anon:1532 isolated_anon:0
active_file:16 inactive_file:17 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9668 slab_unreclaimable:1479122
mapped:40962 shmem:1539 pagetables:573 bounce:0
free:13657 free_pcp:168 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:174644kB inactive_anon:6128kB active_file:64kB
inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:163848kB dirty:0kB writeback:0kB shmem:6156kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]:
0
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
2819
6323
6323
Node 0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
DMA32 free:25128kB 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:13592kB min:37352kB low:46688kB high:56024kB
active_anon:174644kB inactive_anon:6128kB active_file:64kB
inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB
managed:3588044kB mlocked:0kB kernel_stack:5312kB pagetables:2292kB
bounce:0kB free_pcp:672kB local_pcp:260kB free_cma:0kB
lowmem_reserve[]:
0
0
0
0
Node 0
DMA:
1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U)
2*64kB
(U)
1*128kB
(U)
1*256kB
(U)
0*512kB
1*1024kB
(U)
1*2048kB
(M)
3*4096kB
(M)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
= 15908kB
Node 0
DMA32:
4*4kB
(M)
1*8kB
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
(U)
3*16kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UM)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
3*32kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UM)
4*64kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(M)
3*128kB
(M)
3*256kB
(M)
4*512kB
(UM)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
3*1024kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(UM)
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
3*2048kB
(M)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
3*4096kB
(M)
= 25128kB
Node 0
Normal:
992*4kB
(UME)
425*8kB
(UME)
169*16kB
(ME)
86*32kB
(UME)
12*64kB
(UM) 0*128kB
0*256kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 13592kB
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
1572 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


---
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