INFO: rcu detected stall in __run_timers (2)
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syzbot
Sep 13, 2018, 9:43:04 AM9/13/18
to syzkaller-upst...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: 4b1c5d917d34 bpf: btf: Fix end boundary calculation for ty..
git tree: bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=121a3d9e400000
kernel config: https://syzkaller.appspot.com/x/.config?x=ae23ea8dbf4c4206
dashboard link: https://syzkaller.appspot.com/bug?extid=9ffdd3cba36a76442881
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
CC: [da...@davemloft.net kuz...@ms2.inr.ac.ru
linux-...@vger.kernel.org net...@vger.kernel.org yosh...@linux-ipv6.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+9ffdd3...@syzkaller.appspotmail.com
RDX: 0000000000000000 RSI: 00007ffed83c5e60 RDI: 000000000000000b
RBP: 00007ffed83c5e60 R08: 00007ffed83c5ee0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffed83c6240 R14: 0000000000000000 R15: 0000000000000000
CPU: 0 PID: 13806 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #52
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:
<IRQ>
(detected by 1, t=10716 jiffies, g=27701, q=16)
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
rcu: All QSes seen, last rcu_preempt kthread activity 10666
(4294978900-4294968234), jiffies_till_next_fqs=1, root ->qsmask 0x0
init R
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
running task
10984 1 0 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
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_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
update_process_times+0x2d/0x70 kernel/time/timer.c:1636
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
__run_hrtimer kernel/time/hrtimer.c:1398 [inline]
__hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
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
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
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 a5 c3 3e ff e9 28 ff ff ff e8 bc 20 c3 ff
48 83 3d 5c 6f 90 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 da 44
RSP: 0018:ffff8801daf07450 EFLAGS: 00000282
ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b34812b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282
RBP: ffff8801daf074c0 R08: ffff8801d9a40958 R09: 0000000000000002
R10: 0000000000000000 R11: ffff8801d9a40040 R12: ffff8801d9be8800
R13: ffff8801d9be8800 R14: 0000000000000000 R15: 0000000000000282
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__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]
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
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
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
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 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48
83 3d bd 4f 90 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 da 44
RSP: 0000:ffff8801c447f748 EFLAGS: 00000282
ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801a388ce80 RDI: 0000000000000282
RBP: ffff8801c447f7b0 R08: ffff8801a388c600 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be8800 R14: ffff8801d9be8800 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
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_3d1649e183dc2cc1+0x7e8/0x1000
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_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:preempt_schedule_irq+0x7d/0x110 kernel/sched/core.c:3699
Code: 00 e8 b7 4b 97 f9 e8 32 9d c6 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00
75 7b 48 83 3d d4 eb 93 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00
e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d aa eb
RSP: 0018:ffff8801d9a4e150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12a4537 RBX: 0000000000000000 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d9a408bc
RBP: ffff8801d9a4e178 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000
R13: fffffbfff12a4536 R14: ffffffff895229b8 R15: ffffffff895229b0
retint_kernel+0x1b/0x2d
RIP: 0010:arch_local_irq_restore+0x4a/0x52
arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 69 26 0a fa 48 83 3d 69 1d 9a 01 00
75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00
5b 5d c3 4c 89 45 d0 e8 1d 26 0a fa 4c 8b 45 d0 e9
RSP: 0018:ffff8801d9a4e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
RAX: ffff8801d9a40040 RBX: 0000000000000293 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
RBP: ffff8801d9a4e240 R08: ffff8801d9a40930 R09: 0000000000000006
active_anon:43472 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:18 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9028 slab_unreclaimable:1483639
mapped:32946 shmem:379 pagetables:539 bounce:0
free:13696 free_pcp:148 free_cma:0
R10: 0000000000000000 R11: ffff8801d9a40040 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
Node 0 active_anon:173888kB inactive_anon:1484kB active_file:60kB
inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:131784kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Node 0
dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
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
2817 6321
6321
dump_header+0x27b/0xf72 mm/oom_kill.c:441
Node 0
DMA32 free:24976kB min:30048kB low:37560kB high:45072kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2889304kB 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:13900kB min:37364kB low:46704kB high:56044kB
active_anon:173888kB inactive_anon:1484kB active_file:60kB
inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5344kB pagetables:2156kB
bounce:0kB free_pcp:592kB 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: 2*4kB
(M)
1*8kB (U)
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:952
4*16kB (UM)
2*32kB (UM)
2*64kB (M)
3*128kB
(M)
3*256kB (UM)
4*512kB
(UM)
3*1024kB (M)
3*2048kB (UM)
3*4096kB (M)
= 24976kB
Node 0
Normal: 865*4kB
(UMEH)
out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112
343*8kB (UMEH)
179*16kB (MEH)
75*32kB (MEH)
20*64kB (M)
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
3*128kB
(M)
1*256kB (U)
1*512kB (U)
0*1024kB 0*2048kB
0*4096kB = 13900kB
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
412 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
342744 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-executor0 cpuset=
syz0
mems_allowed=0
CPU: 0 PID: 13806 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #52
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.118+0xb7/0x1bd mm/page_alloc.c:3426
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
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
page_cache_read mm/filemap.c:2385 [inline]
filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6257
__do_fault+0x100/0x6b0 mm/memory.c:3240
__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
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
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
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
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x7fad0ae3ddd3
Code: Bad RIP value.
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
RSP: 002b:00007ffed83c5b08 EFLAGS: 00010246
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
RAX: 0000000000000000 RBX: 00007ffed83c5cb0 RCX: 00007fad0ae3ddd3
RDX: 0000000000000000 RSI: 00007ffed83c5e60 RDI: 000000000000000b
RBP: 00007ffed83c5e60 R08: 00007ffed83c5ee0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffed83c6240 R14: 0000000000000000 R15: 0000000000000000
rcu: rcu_preempt kthread starved for 10666 jiffies! g27701 f0x2
RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task 22872 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2825 [inline]
__schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
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
schedule+0xfe/0x460 kernel/sched/core.c:3517
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
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 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48
83 3d bd 4f 90 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 da 44
rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
RSP: 0000:ffff8801c447f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801a388ce80 RDI: 0000000000000282
RBP: ffff8801c447f7b0 R08: ffff8801a388c600 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be8800 R14: ffff8801d9be8800 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_3d1649e183dc2cc1+0x7e8/0x1000
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
kthread+0x35a/0x420 kernel/kthread.c:246
syz-executor0 cpuset=
syz0
mems_allowed=0
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
CPU: 0 PID: 13806 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #52
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:
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
<IRQ>
init cpuset=
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
/
mems_allowed=0
warn_alloc.cold.118+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]
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
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 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48
83 3d bd 4f 90 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 da 44
RSP: 0000:ffff8801c447f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801a388ce80 RDI: 0000000000000282
RBP: ffff8801c447f7b0 R08: ffff8801a388c600 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be8800 R14: ffff8801d9be8800 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_3d1649e183dc2cc1+0x7e8/0x1000
CPU: 1 PID: 1 Comm: init Not tainted 4.19.0-rc2+ #52
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
active_anon:43472 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:18 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9028 slab_unreclaimable:1483639
mapped:32946 shmem:379 pagetables:539 bounce:0
free:13696 free_pcp:148 free_cma:0
Call Trace:
Node 0 active_anon:173888kB inactive_anon:1484kB active_file:60kB
inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:131784kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
<IRQ>
Node 0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]: 0
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
2817
6321
6321
Node 0
DMA32 free:24976kB min:30048kB low:37560kB high:45072kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2889304kB 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:13900kB min:37364kB low:46704kB high:56044kB
active_anon:173888kB inactive_anon:1484kB active_file:60kB
inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5344kB pagetables:2156kB
bounce:0kB free_pcp:592kB 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)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
= 15908kB
Node 0
DMA32:
2*4kB
(M)
1*8kB (U)
4*16kB
(UM)
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
2*32kB
(UM)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
2*64kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
3*128kB
(M)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*256kB
(UM)
4*512kB
(UM)
3*1024kB
(M)
3*2048kB
(UM)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
3*4096kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(M)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
= 24976kB
Node 0
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
Normal: 865*4kB
(UMEH)
343*8kB
(UMEH)
179*16kB
(MEH)
75*32kB (MEH)
20*64kB
(M)
3*128kB
(M)
1*256kB (U)
1*512kB
(U)
0*1024kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*2048kB
0*4096kB
= 13900kB
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
412 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
342744 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-executor0 cpuset=
syz0
mems_allowed=0
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_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:preempt_schedule_irq+0x7d/0x110 kernel/sched/core.c:3699
Code: 00 e8 b7 4b 97 f9 e8 32 9d c6 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00
75 7b 48 83 3d d4 eb 93 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00
e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d aa eb
RSP: 0018:ffff8801d9a4e150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12a4537 RBX: 0000000000000000 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d9a408bc
RBP: ffff8801d9a4e178 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000
R13: fffffbfff12a4536 R14: ffffffff895229b8 R15: ffffffff895229b0
retint_kernel+0x1b/0x2d
RIP: 0010:arch_local_irq_restore+0x4a/0x52
arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 69 26 0a fa 48 83 3d 69 1d 9a 01 00
75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00
5b 5d c3 4c 89 45 d0 e8 1d 26 0a fa 4c 8b 45 d0 e9
RSP: 0018:ffff8801d9a4e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
RAX: ffff8801d9a40040 RBX: 0000000000000293 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293
RBP: ffff8801d9a4e240 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
dump_header+0x27b/0xf72 mm/oom_kill.c:441
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:952
out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112
__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: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: 0033:0x7fad0ae3ddd3
Code: Bad RIP value.
RSP: 002b:00007ffed83c5b08 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffed83c5cb0 RCX: 00007fad0ae3ddd3
RDX: 0000000000000000 RSI: 00007ffed83c5e60 RDI: 000000000000000b
RBP: 00007ffed83c5e60 R08: 00007ffed83c5ee0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffed83c6240 R14: 0000000000000000 R15: 0000000000000000
CPU: 0 PID: 13806 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #52
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:
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
<IRQ>
init cpuset=
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
/
mems_allowed=0
warn_alloc.cold.118+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]
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
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 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48
83 3d bd 4f 90 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 da 44
RSP: 0000:ffff8801c447f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801a388ce80 RDI: 0000000000000282
RBP: ffff8801c447f7b0 R08: ffff8801a388c600 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be8800 R14: ffff8801d9be8800 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_3d1649e183dc2cc1+0x7e8/0x1000
CPU: 1 PID: 1 Comm: init Not tainted 4.19.0-rc2+ #52
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
active_anon:43472 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:18 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9028 slab_unreclaimable:1483639
mapped:32946 shmem:379 pagetables:539 bounce:0
free:13696 free_pcp:148 free_cma:0
<IRQ>
Node 0 active_anon:173888kB inactive_anon:1484kB active_file:60kB
inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:131784kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
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
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
lowmem_reserve[]: 0
2817
6321
6321
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
Node 0
DMA32 free:24976kB min:30048kB low:37560kB high:45072kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2889304kB 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:13900kB min:37364kB low:46704kB high:56044kB
active_anon:173888kB inactive_anon:1484kB active_file:60kB
inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5344kB pagetables:2156kB
bounce:0kB free_pcp:592kB 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(M)
3*4096kB
(M) = 15908kB
Node 0
DMA32: 2*4kB
(M)
1*8kB (U)
4*16kB (UM)
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
2*32kB (UM)
2*64kB (M)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
3*128kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
3*256kB (UM)
4*512kB (UM)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*1024kB (M)
3*2048kB
(UM)
3*4096kB (M)
= 24976kB
Node 0
Normal:
865*4kB
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
(UMEH)
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
343*8kB (UMEH)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
179*16kB (MEH)
75*32kB (MEH)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
20*64kB
(M)
3*128kB (M)
1*256kB (U)
1*512kB
(U)
0*1024kB 0*2048kB
0*4096kB
= 13900kB
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
412 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342744 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-executor0 cpuset=
syz0
mems_allowed=0
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_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:preempt_schedule_irq+0x7d/0x110 kernel/sched/core.c:3699
Code: 00 e8 b7 4b 97 f9 e8 32 9d c6 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00
75 7b 48 83 3d d4 eb 93 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00
e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d aa eb
RSP: 0018:ffff8801d9a4e150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12a4537 RBX: 0000000000000000 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d9a408bc
RBP: ffff8801d9a4e178 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000
R13: fffffbfff12a4536 R14: ffffffff895229b8 R15: ffffffff895229b0
retint_kernel+0x1b/0x2d
RIP: 0010:arch_local_irq_restore+0x4a/0x52
arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 69 26 0a fa 48 83 3d 69 1d 9a 01 00
75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00
5b 5d c3 4c 89 45 d0 e8 1d 26 0a fa 4c 8b 45 d0 e9
RSP: 0018:ffff8801d9a4e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
RAX: ffff8801d9a40040 RBX: 0000000000000293 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293
RBP: ffff8801d9a4e240 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
dump_header+0x27b/0xf72 mm/oom_kill.c:441
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:952
out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112
__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: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: 0033:0x7fad0ae3ddd3
Code: Bad RIP value.
RSP: 002b:00007ffed83c5b08 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffed83c5cb0 RCX: 00007fad0ae3ddd3
RDX: 0000000000000000 RSI: 00007ffed83c5e60 RDI: 000000000000000b
RBP: 00007ffed83c5e60 R08: 00007ffed83c5ee0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffed83c6240 R14: 0000000000000000 R15: 0000000000000000
CPU: 0 PID: 13806 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #52
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
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
init 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
---
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: 4b1c5d917d34 bpf: btf: Fix end boundary calculation for ty..
git tree: bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=121a3d9e400000
kernel config: https://syzkaller.appspot.com/x/.config?x=ae23ea8dbf4c4206
dashboard link: https://syzkaller.appspot.com/bug?extid=9ffdd3cba36a76442881
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
CC: [da...@davemloft.net kuz...@ms2.inr.ac.ru
linux-...@vger.kernel.org net...@vger.kernel.org yosh...@linux-ipv6.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+9ffdd3...@syzkaller.appspotmail.com
RDX: 0000000000000000 RSI: 00007ffed83c5e60 RDI: 000000000000000b
RBP: 00007ffed83c5e60 R08: 00007ffed83c5ee0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffed83c6240 R14: 0000000000000000 R15: 0000000000000000
CPU: 0 PID: 13806 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #52
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:
<IRQ>
(detected by 1, t=10716 jiffies, g=27701, q=16)
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
rcu: All QSes seen, last rcu_preempt kthread activity 10666
(4294978900-4294968234), jiffies_till_next_fqs=1, root ->qsmask 0x0
init R
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
running task
10984 1 0 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
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_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
update_process_times+0x2d/0x70 kernel/time/timer.c:1636
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
__run_hrtimer kernel/time/hrtimer.c:1398 [inline]
__hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
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
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
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 a5 c3 3e ff e9 28 ff ff ff e8 bc 20 c3 ff
48 83 3d 5c 6f 90 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 da 44
RSP: 0018:ffff8801daf07450 EFLAGS: 00000282
ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b34812b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282
RBP: ffff8801daf074c0 R08: ffff8801d9a40958 R09: 0000000000000002
R10: 0000000000000000 R11: ffff8801d9a40040 R12: ffff8801d9be8800
R13: ffff8801d9be8800 R14: 0000000000000000 R15: 0000000000000282
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__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]
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
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
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
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 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48
83 3d bd 4f 90 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 da 44
RSP: 0000:ffff8801c447f748 EFLAGS: 00000282
ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801a388ce80 RDI: 0000000000000282
RBP: ffff8801c447f7b0 R08: ffff8801a388c600 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be8800 R14: ffff8801d9be8800 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
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_3d1649e183dc2cc1+0x7e8/0x1000
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_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:preempt_schedule_irq+0x7d/0x110 kernel/sched/core.c:3699
Code: 00 e8 b7 4b 97 f9 e8 32 9d c6 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00
75 7b 48 83 3d d4 eb 93 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00
e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d aa eb
RSP: 0018:ffff8801d9a4e150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12a4537 RBX: 0000000000000000 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d9a408bc
RBP: ffff8801d9a4e178 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000
R13: fffffbfff12a4536 R14: ffffffff895229b8 R15: ffffffff895229b0
retint_kernel+0x1b/0x2d
RIP: 0010:arch_local_irq_restore+0x4a/0x52
arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 69 26 0a fa 48 83 3d 69 1d 9a 01 00
75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00
5b 5d c3 4c 89 45 d0 e8 1d 26 0a fa 4c 8b 45 d0 e9
RSP: 0018:ffff8801d9a4e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
RAX: ffff8801d9a40040 RBX: 0000000000000293 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
RBP: ffff8801d9a4e240 R08: ffff8801d9a40930 R09: 0000000000000006
active_anon:43472 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:18 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9028 slab_unreclaimable:1483639
mapped:32946 shmem:379 pagetables:539 bounce:0
free:13696 free_pcp:148 free_cma:0
R10: 0000000000000000 R11: ffff8801d9a40040 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
Node 0 active_anon:173888kB inactive_anon:1484kB active_file:60kB
inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:131784kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Node 0
dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
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
2817 6321
6321
dump_header+0x27b/0xf72 mm/oom_kill.c:441
Node 0
DMA32 free:24976kB min:30048kB low:37560kB high:45072kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2889304kB 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:13900kB min:37364kB low:46704kB high:56044kB
active_anon:173888kB inactive_anon:1484kB active_file:60kB
inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5344kB pagetables:2156kB
bounce:0kB free_pcp:592kB 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: 2*4kB
(M)
1*8kB (U)
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:952
4*16kB (UM)
2*32kB (UM)
2*64kB (M)
3*128kB
(M)
3*256kB (UM)
4*512kB
(UM)
3*1024kB (M)
3*2048kB (UM)
3*4096kB (M)
= 24976kB
Node 0
Normal: 865*4kB
(UMEH)
out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112
343*8kB (UMEH)
179*16kB (MEH)
75*32kB (MEH)
20*64kB (M)
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
3*128kB
(M)
1*256kB (U)
1*512kB (U)
0*1024kB 0*2048kB
0*4096kB = 13900kB
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
412 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
342744 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-executor0 cpuset=
syz0
mems_allowed=0
CPU: 0 PID: 13806 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #52
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.118+0xb7/0x1bd mm/page_alloc.c:3426
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
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
page_cache_read mm/filemap.c:2385 [inline]
filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6257
__do_fault+0x100/0x6b0 mm/memory.c:3240
__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
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
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
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
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x7fad0ae3ddd3
Code: Bad RIP value.
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
RSP: 002b:00007ffed83c5b08 EFLAGS: 00010246
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
RAX: 0000000000000000 RBX: 00007ffed83c5cb0 RCX: 00007fad0ae3ddd3
RDX: 0000000000000000 RSI: 00007ffed83c5e60 RDI: 000000000000000b
RBP: 00007ffed83c5e60 R08: 00007ffed83c5ee0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffed83c6240 R14: 0000000000000000 R15: 0000000000000000
rcu: rcu_preempt kthread starved for 10666 jiffies! g27701 f0x2
RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task 22872 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2825 [inline]
__schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
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
schedule+0xfe/0x460 kernel/sched/core.c:3517
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
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 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48
83 3d bd 4f 90 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 da 44
rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
RSP: 0000:ffff8801c447f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801a388ce80 RDI: 0000000000000282
RBP: ffff8801c447f7b0 R08: ffff8801a388c600 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be8800 R14: ffff8801d9be8800 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_3d1649e183dc2cc1+0x7e8/0x1000
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
kthread+0x35a/0x420 kernel/kthread.c:246
syz-executor0 cpuset=
syz0
mems_allowed=0
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
CPU: 0 PID: 13806 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #52
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:
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
<IRQ>
init cpuset=
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
/
mems_allowed=0
warn_alloc.cold.118+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]
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
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 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48
83 3d bd 4f 90 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 da 44
RSP: 0000:ffff8801c447f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801a388ce80 RDI: 0000000000000282
RBP: ffff8801c447f7b0 R08: ffff8801a388c600 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be8800 R14: ffff8801d9be8800 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_3d1649e183dc2cc1+0x7e8/0x1000
CPU: 1 PID: 1 Comm: init Not tainted 4.19.0-rc2+ #52
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
active_anon:43472 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:18 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9028 slab_unreclaimable:1483639
mapped:32946 shmem:379 pagetables:539 bounce:0
free:13696 free_pcp:148 free_cma:0
Call Trace:
Node 0 active_anon:173888kB inactive_anon:1484kB active_file:60kB
inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:131784kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
<IRQ>
Node 0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]: 0
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
2817
6321
6321
Node 0
DMA32 free:24976kB min:30048kB low:37560kB high:45072kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2889304kB 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:13900kB min:37364kB low:46704kB high:56044kB
active_anon:173888kB inactive_anon:1484kB active_file:60kB
inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5344kB pagetables:2156kB
bounce:0kB free_pcp:592kB 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)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
= 15908kB
Node 0
DMA32:
2*4kB
(M)
1*8kB (U)
4*16kB
(UM)
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
2*32kB
(UM)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
2*64kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
3*128kB
(M)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*256kB
(UM)
4*512kB
(UM)
3*1024kB
(M)
3*2048kB
(UM)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
3*4096kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(M)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
= 24976kB
Node 0
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
Normal: 865*4kB
(UMEH)
343*8kB
(UMEH)
179*16kB
(MEH)
75*32kB (MEH)
20*64kB
(M)
3*128kB
(M)
1*256kB (U)
1*512kB
(U)
0*1024kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*2048kB
0*4096kB
= 13900kB
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
412 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
342744 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-executor0 cpuset=
syz0
mems_allowed=0
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_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:preempt_schedule_irq+0x7d/0x110 kernel/sched/core.c:3699
Code: 00 e8 b7 4b 97 f9 e8 32 9d c6 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00
75 7b 48 83 3d d4 eb 93 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00
e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d aa eb
RSP: 0018:ffff8801d9a4e150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12a4537 RBX: 0000000000000000 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d9a408bc
RBP: ffff8801d9a4e178 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000
R13: fffffbfff12a4536 R14: ffffffff895229b8 R15: ffffffff895229b0
retint_kernel+0x1b/0x2d
RIP: 0010:arch_local_irq_restore+0x4a/0x52
arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 69 26 0a fa 48 83 3d 69 1d 9a 01 00
75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00
5b 5d c3 4c 89 45 d0 e8 1d 26 0a fa 4c 8b 45 d0 e9
RSP: 0018:ffff8801d9a4e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
RAX: ffff8801d9a40040 RBX: 0000000000000293 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293
RBP: ffff8801d9a4e240 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
dump_header+0x27b/0xf72 mm/oom_kill.c:441
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:952
out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112
__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: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: 0033:0x7fad0ae3ddd3
Code: Bad RIP value.
RSP: 002b:00007ffed83c5b08 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffed83c5cb0 RCX: 00007fad0ae3ddd3
RDX: 0000000000000000 RSI: 00007ffed83c5e60 RDI: 000000000000000b
RBP: 00007ffed83c5e60 R08: 00007ffed83c5ee0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffed83c6240 R14: 0000000000000000 R15: 0000000000000000
CPU: 0 PID: 13806 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #52
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:
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
<IRQ>
init cpuset=
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
/
mems_allowed=0
warn_alloc.cold.118+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]
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
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 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48
83 3d bd 4f 90 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 da 44
RSP: 0000:ffff8801c447f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801a388ce80 RDI: 0000000000000282
RBP: ffff8801c447f7b0 R08: ffff8801a388c600 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be8800 R14: ffff8801d9be8800 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_3d1649e183dc2cc1+0x7e8/0x1000
CPU: 1 PID: 1 Comm: init Not tainted 4.19.0-rc2+ #52
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
active_anon:43472 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:18 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9028 slab_unreclaimable:1483639
mapped:32946 shmem:379 pagetables:539 bounce:0
free:13696 free_pcp:148 free_cma:0
<IRQ>
Node 0 active_anon:173888kB inactive_anon:1484kB active_file:60kB
inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:131784kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
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
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
lowmem_reserve[]: 0
2817
6321
6321
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
Node 0
DMA32 free:24976kB min:30048kB low:37560kB high:45072kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2889304kB 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:13900kB min:37364kB low:46704kB high:56044kB
active_anon:173888kB inactive_anon:1484kB active_file:60kB
inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5344kB pagetables:2156kB
bounce:0kB free_pcp:592kB 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(M)
3*4096kB
(M) = 15908kB
Node 0
DMA32: 2*4kB
(M)
1*8kB (U)
4*16kB (UM)
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
2*32kB (UM)
2*64kB (M)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
3*128kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
3*256kB (UM)
4*512kB (UM)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*1024kB (M)
3*2048kB
(UM)
3*4096kB (M)
= 24976kB
Node 0
Normal:
865*4kB
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
(UMEH)
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
343*8kB (UMEH)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
179*16kB (MEH)
75*32kB (MEH)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
20*64kB
(M)
3*128kB (M)
1*256kB (U)
1*512kB
(U)
0*1024kB 0*2048kB
0*4096kB
= 13900kB
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
412 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342744 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-executor0 cpuset=
syz0
mems_allowed=0
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_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:preempt_schedule_irq+0x7d/0x110 kernel/sched/core.c:3699
Code: 00 e8 b7 4b 97 f9 e8 32 9d c6 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00
75 7b 48 83 3d d4 eb 93 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00
e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d aa eb
RSP: 0018:ffff8801d9a4e150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12a4537 RBX: 0000000000000000 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d9a408bc
RBP: ffff8801d9a4e178 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000
R13: fffffbfff12a4536 R14: ffffffff895229b8 R15: ffffffff895229b0
retint_kernel+0x1b/0x2d
RIP: 0010:arch_local_irq_restore+0x4a/0x52
arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 69 26 0a fa 48 83 3d 69 1d 9a 01 00
75 07 e8 ea c2 c6 f9 0f 0b e8 e3 c2 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00
5b 5d c3 4c 89 45 d0 e8 1d 26 0a fa 4c 8b 45 d0 e9
RSP: 0018:ffff8801d9a4e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
RAX: ffff8801d9a40040 RBX: 0000000000000293 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: ffffffff87b80c4d RDI: 0000000000000293
RBP: ffff8801d9a4e240 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
dump_header+0x27b/0xf72 mm/oom_kill.c:441
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:952
out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112
__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: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: 0033:0x7fad0ae3ddd3
Code: Bad RIP value.
RSP: 002b:00007ffed83c5b08 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffed83c5cb0 RCX: 00007fad0ae3ddd3
RDX: 0000000000000000 RSI: 00007ffed83c5e60 RDI: 000000000000000b
RBP: 00007ffed83c5e60 R08: 00007ffed83c5ee0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffed83c6240 R14: 0000000000000000 R15: 0000000000000000
CPU: 0 PID: 13806 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #52
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
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
init 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
---
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