INFO: rcu detected stall in ext4_filemap_fault
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syzbot
Sep 14, 2018, 2:23:05 PM9/14/18
to syzkaller-upst...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: 28619527b8a7 Merge git://git.kernel.org/pub/scm/linux/kern..
git tree: bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=118fcd49400000
kernel config: https://syzkaller.appspot.com/x/.config?x=8f59875069d721b6
dashboard link: https://syzkaller.appspot.com/bug?extid=54b42be3e78ab73fca73
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
CC: [linux-...@vger.kernel.org pml...@suse.com
ros...@goodmis.org sergey.se...@gmail.com]
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+54b42b...@syzkaller.appspotmail.com
RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004
RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c429a77ea8
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c426010b40 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
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:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
rcu: 0-...!: (75 ticks this GP) idle=c0e/1/0x4000000000000000
softirq=14310/14310 fqs=0
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
rcu:
(detected by 1, t=10666 jiffies, g=17237, q=5)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
RIP: 0010:write_comp_data+0x1/0x70 kernel/kcov.c:116
Code: a5 64 43 00 e9 a6 fc ff ff 4c 89 f7 e8 f8 63 43 00 e9 6f fc ff ff e8
5e ef c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 <65> 4c 8b 04 25
40 ee 01 00 65 8b 05 ff 1e 83 7e a9 00 01 1f 00 48
RSP: 0000:ffff8801d9aae1f8 EFLAGS: 00000006
RAX: 0000000000000102 RBX: 0000000000000006 RCX: ffffffff87bb9639
RDX: 0000000000000075 RSI: 000000000000006f RDI: 0000000000000001
RBP: ffff8801d9aae230 R08: ffff8801d9aa0240 R09: fffffbfff166f4e4
R10: fffffbfff166f4e4 R11: ffffffff8b37a720 R12: ffffffff88c6b000
R13: 0000000000000075 R14: 0000000000000001 R15: 000000000000000a
FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000045db60 CR3: 00000001c887d000 CR4: 00000000001406f0
DR0: 00000000200001c0 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
format_decode+0x3a9/0xaf0 lib/vsprintf.c:2104
vsnprintf+0x185/0x1b60 lib/vsprintf.c:2245
sprintf+0xb0/0xe0 lib/vsprintf.c:2495
print_time kernel/printk/printk.c:1225 [inline]
print_prefix+0x26a/0x3f0 kernel/printk/printk.c:1248
msg_print_text+0xcc/0x1d0 kernel/printk/printk.c:1275
console_unlock+0x673/0x11a0 kernel/printk/printk.c:2381
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1926
vprintk_default+0x28/0x30 kernel/printk/printk.c:1967
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:2000
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.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
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
rcu: rcu_preempt kthread starved for 10666 jiffies! g17237 f0x0
RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task
22736 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2825 [inline]
__schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
schedule+0xfe/0x460 kernel/sched/core.c:3517
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h: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
kthread+0x35a/0x420 kernel/kthread.c:246
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
kthread+0x35a/0x420 kernel/kthread.c:246
syz-fuzzer cpuset=
/
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
mems_allowed=0
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
CPU: 1 PID: 5315 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
active_anon:47513 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8993 slab_unreclaimable:1480734
mapped:32946 shmem:379 pagetables:591 bounce:0
free:13690 free_pcp:130 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:190052kB inactive_anon:1484kB active_file:60kB
inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:131784kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 176128kB 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
2817
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
6321
6321
Node 0
DMA32 free:24988kB 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[]:
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
0
0 3503
3503
Node 0
Normal free:13864kB min:37364kB low:46704kB high:56044kB
active_anon:190052kB inactive_anon:1484kB active_file:60kB
inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5152kB pagetables:2364kB
bounce:0kB free_pcp:520kB local_pcp:296kB 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: 3*4kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(MH)
2*8kB
(UH)
4*16kB (UM)
2*32kB
(UM)
2*64kB
(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*128kB
(M)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
3*256kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(UM)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
4*512kB
(MH)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*1024kB
(M)
3*2048kB
(UM)
3*4096kB (M)
= 24988kB
Node 0
Normal: 1042*4kB
(UMEH)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
448*8kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(UMEH)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
150*16kB
(MEH)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
50*32kB
(MEH)
11*64kB (MH)
5*128kB
(UH) 1*256kB
(U)
1*512kB (U)
0*1024kB
0*2048kB 0*4096kB
= 13864kB
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
408 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
Free swap = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342744 pages reserved
0 pages cma reserved
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.997
msecs
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=
/
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_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0x1017/0x11a0 kernel/printk/printk.c:2411
Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f
84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80
RSP: 0000:ffff8801bac2deb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d935a100 RBX: 0000000000000200 RCX: 1ffff1003b26b543
RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293
RBP: ffff8801bac2e010 R08: ffff8801d935aa18 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d935a100 R12: dffffc0000000000
R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1926
vprintk_default+0x28/0x30 kernel/printk/printk.c:1967
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:2000
dump_unreclaimable_slab.cold.22+0xd8/0xe5 mm/slab_common.c:1371
dump_header+0x7cc/0xf72 mm/oom_kill.c:447
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: 0033:0x45df89
Code: Bad RIP value.
RSP: 002b:000000c420031850 EFLAGS: 00010246
RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004
RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c429a77ea8
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c426010b40 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-fuzzer cpuset=
/
mems_allowed=0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
CPU: 1 PID: 5315 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
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:47513 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8993 slab_unreclaimable:1480734
mapped:32946 shmem:379 pagetables:591 bounce:0
free:13690 free_pcp:130 free_cma:0
Call Trace:
Node 0 active_anon:190052kB inactive_anon:1484kB active_file:60kB
inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:131784kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 176128kB 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[]:
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
0
2817
6321
6321
Node 0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
DMA32 free:24988kB 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:13864kB min:37364kB low:46704kB high:56044kB
active_anon:190052kB inactive_anon:1484kB active_file:60kB
inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5152kB pagetables:2364kB
bounce:0kB free_pcp:520kB local_pcp:296kB 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(U)
1*2048kB
(M)
3*4096kB
(M)
= 15908kB
Node 0 DMA32:
3*4kB
(MH)
__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*8kB
(UH)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
4*16kB (UM)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
2*32kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UM)
2*64kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(M)
3*128kB (M)
3*256kB
(UM)
4*512kB
(MH)
3*1024kB
(M)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
3*2048kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(UM) 3*4096kB
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
(M)
= 24988kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
Node 0
Normal:
1042*4kB
(UMEH)
448*8kB (UMEH)
150*16kB
(MEH)
50*32kB
(MEH)
11*64kB
(MH)
5*128kB (UH)
1*256kB
(U)
1*512kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
(U)
0*1024kB
0*2048kB
0*4096kB
= 13864kB
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
408 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
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=
/
mems_allowed=0
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0x1017/0x11a0 kernel/printk/printk.c:2411
Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f
84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80
RSP: 0000:ffff8801bac2deb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d935a100 RBX: 0000000000000200 RCX: 1ffff1003b26b543
RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293
RBP: ffff8801bac2e010 R08: ffff8801d935aa18 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d935a100 R12: dffffc0000000000
R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1926
vprintk_default+0x28/0x30 kernel/printk/printk.c:1967
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:2000
dump_unreclaimable_slab.cold.22+0xd8/0xe5 mm/slab_common.c:1371
dump_header+0x7cc/0xf72 mm/oom_kill.c:447
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: 0033:0x45df89
Code: Bad RIP value.
RSP: 002b:000000c420031850 EFLAGS: 00010246
RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004
RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c429a77ea8
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c426010b40 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-fuzzer cpuset=
/
warn_alloc.cold.118+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]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
CPU: 1 PID: 5315 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
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:47513 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8993 slab_unreclaimable:1480734
mapped:32946 shmem:379 pagetables:591 bounce:0
free:13690 free_pcp:130 free_cma:0
Call Trace:
Node 0 active_anon:190052kB inactive_anon:1484kB active_file:60kB
inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:131784kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 176128kB 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:24988kB 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:13864kB min:37364kB low:46704kB high:56044kB
active_anon:190052kB inactive_anon:1484kB active_file:60kB
inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5152kB pagetables:2364kB
bounce:0kB free_pcp:520kB local_pcp:296kB 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)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
1*2048kB
(M)
3*4096kB
(M)
= 15908kB
Node 0
DMA32:
3*4kB
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
(MH)
2*8kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UH)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
4*16kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UM)
2*32kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM)
2*64kB
(M)
3*128kB
(M)
3*256kB
(UM)
4*512kB
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
(MH)
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
3*1024kB
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
(M)
3*2048kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(UM)
3*4096kB
(M) = 24988kB
Node 0
Normal:
1042*4kB
(UMEH)
448*8kB
(UMEH)
150*16kB
(MEH)
50*32kB
(MEH)
11*64kB
(MH)
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
5*128kB
(UH) 1*256kB
(U)
1*512kB
(U)
0*1024kB 0*2048kB
0*4096kB
= 13864kB
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
408 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342744 pages reserved
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=
/
mems_allowed=0
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0x1017/0x11a0 kernel/printk/printk.c:2411
Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f
84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80
RSP: 0000:ffff8801bac2deb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d935a100 RBX: 0000000000000200 RCX: 1ffff1003b26b543
RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293
RBP: ffff8801bac2e010 R08: ffff8801d935aa18 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d935a100 R12: dffffc0000000000
R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1926
vprintk_default+0x28/0x30 kernel/printk/printk.c:1967
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:2000
dump_unreclaimable_slab.cold.22+0xd8/0xe5 mm/slab_common.c:1371
dump_header+0x7cc/0xf72 mm/oom_kill.c:447
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: 0033:0x45df89
Code: Bad RIP value.
RSP: 002b:000000c420031850 EFLAGS: 00010246
RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004
RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c429a77ea8
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c426010b40 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-fuzzer cpuset=
/
mems_allowed=0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5315 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
Mem-Info:
active_anon:47513 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8993 slab_unreclaimable:1480734
mapped:32946 shmem:379 pagetables:591 bounce:0
free:13690 free_pcp:130 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
Node 0 active_anon:190052kB inactive_anon:1484kB active_file:60kB
inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:131784kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 176128kB 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:24988kB 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:13864kB min:37364kB low:46704kB high:56044kB
active_anon:190052kB inactive_anon:1484kB active_file:60kB
inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5152kB pagetables:2364kB
bounce:0kB free_pcp:520kB local_pcp:296kB 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)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
3*4096kB (M)
= 15908kB
Node 0
DMA32:
3*4kB
(MH)
2*8kB (UH)
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 (M)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
3*128kB (M)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
3*256kB (UM)
4*512kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(MH)
3*1024kB (M)
3*2048kB
(UM)
3*4096kB
(M)
= 24988kB
Node 0
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
Normal:
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
1042*4kB
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
(UMEH)
448*8kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(UMEH)
150*16kB
(MEH)
50*32kB (MEH)
11*64kB (MH)
5*128kB (UH)
1*256kB
(U)
1*512kB (U)
0*1024kB 0*2048kB
0*4096kB
= 13864kB
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
408 total pagecache pages
0 pages in swap cache
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342744 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=
/
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_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0x1017/0x11a0 kernel/printk/printk.c:2411
Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f
84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80
RSP: 0000:ffff8801bac2deb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d935a100 RBX: 0000000000000200 RCX: 1ffff1003b26b543
RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293
RBP: ffff8801bac2e010 R08: ffff8801d935aa18 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d935a100 R12: dffffc0000000000
R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000
---
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: 28619527b8a7 Merge git://git.kernel.org/pub/scm/linux/kern..
git tree: bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=118fcd49400000
kernel config: https://syzkaller.appspot.com/x/.config?x=8f59875069d721b6
dashboard link: https://syzkaller.appspot.com/bug?extid=54b42be3e78ab73fca73
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
CC: [linux-...@vger.kernel.org pml...@suse.com
ros...@goodmis.org sergey.se...@gmail.com]
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+54b42b...@syzkaller.appspotmail.com
RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004
RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c429a77ea8
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c426010b40 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
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:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
rcu: 0-...!: (75 ticks this GP) idle=c0e/1/0x4000000000000000
softirq=14310/14310 fqs=0
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
rcu:
(detected by 1, t=10666 jiffies, g=17237, q=5)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
RIP: 0010:write_comp_data+0x1/0x70 kernel/kcov.c:116
Code: a5 64 43 00 e9 a6 fc ff ff 4c 89 f7 e8 f8 63 43 00 e9 6f fc ff ff e8
5e ef c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 <65> 4c 8b 04 25
40 ee 01 00 65 8b 05 ff 1e 83 7e a9 00 01 1f 00 48
RSP: 0000:ffff8801d9aae1f8 EFLAGS: 00000006
RAX: 0000000000000102 RBX: 0000000000000006 RCX: ffffffff87bb9639
RDX: 0000000000000075 RSI: 000000000000006f RDI: 0000000000000001
RBP: ffff8801d9aae230 R08: ffff8801d9aa0240 R09: fffffbfff166f4e4
R10: fffffbfff166f4e4 R11: ffffffff8b37a720 R12: ffffffff88c6b000
R13: 0000000000000075 R14: 0000000000000001 R15: 000000000000000a
FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000045db60 CR3: 00000001c887d000 CR4: 00000000001406f0
DR0: 00000000200001c0 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
format_decode+0x3a9/0xaf0 lib/vsprintf.c:2104
vsnprintf+0x185/0x1b60 lib/vsprintf.c:2245
sprintf+0xb0/0xe0 lib/vsprintf.c:2495
print_time kernel/printk/printk.c:1225 [inline]
print_prefix+0x26a/0x3f0 kernel/printk/printk.c:1248
msg_print_text+0xcc/0x1d0 kernel/printk/printk.c:1275
console_unlock+0x673/0x11a0 kernel/printk/printk.c:2381
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1926
vprintk_default+0x28/0x30 kernel/printk/printk.c:1967
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:2000
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.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
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
rcu: rcu_preempt kthread starved for 10666 jiffies! g17237 f0x0
RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task
22736 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2825 [inline]
__schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
schedule+0xfe/0x460 kernel/sched/core.c:3517
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h: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
kthread+0x35a/0x420 kernel/kthread.c:246
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
kthread+0x35a/0x420 kernel/kthread.c:246
syz-fuzzer cpuset=
/
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
mems_allowed=0
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
CPU: 1 PID: 5315 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
active_anon:47513 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8993 slab_unreclaimable:1480734
mapped:32946 shmem:379 pagetables:591 bounce:0
free:13690 free_pcp:130 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:190052kB inactive_anon:1484kB active_file:60kB
inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:131784kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 176128kB 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
2817
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
6321
6321
Node 0
DMA32 free:24988kB 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[]:
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
0
0 3503
3503
Node 0
Normal free:13864kB min:37364kB low:46704kB high:56044kB
active_anon:190052kB inactive_anon:1484kB active_file:60kB
inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5152kB pagetables:2364kB
bounce:0kB free_pcp:520kB local_pcp:296kB 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: 3*4kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(MH)
2*8kB
(UH)
4*16kB (UM)
2*32kB
(UM)
2*64kB
(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*128kB
(M)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
3*256kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(UM)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
4*512kB
(MH)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*1024kB
(M)
3*2048kB
(UM)
3*4096kB (M)
= 24988kB
Node 0
Normal: 1042*4kB
(UMEH)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
448*8kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(UMEH)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
150*16kB
(MEH)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
50*32kB
(MEH)
11*64kB (MH)
5*128kB
(UH) 1*256kB
(U)
1*512kB (U)
0*1024kB
0*2048kB 0*4096kB
= 13864kB
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
408 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
Free swap = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342744 pages reserved
0 pages cma reserved
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.997
msecs
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=
/
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_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0x1017/0x11a0 kernel/printk/printk.c:2411
Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f
84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80
RSP: 0000:ffff8801bac2deb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d935a100 RBX: 0000000000000200 RCX: 1ffff1003b26b543
RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293
RBP: ffff8801bac2e010 R08: ffff8801d935aa18 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d935a100 R12: dffffc0000000000
R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1926
vprintk_default+0x28/0x30 kernel/printk/printk.c:1967
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:2000
dump_unreclaimable_slab.cold.22+0xd8/0xe5 mm/slab_common.c:1371
dump_header+0x7cc/0xf72 mm/oom_kill.c:447
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: 0033:0x45df89
Code: Bad RIP value.
RSP: 002b:000000c420031850 EFLAGS: 00010246
RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004
RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c429a77ea8
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c426010b40 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-fuzzer cpuset=
/
mems_allowed=0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
CPU: 1 PID: 5315 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
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:47513 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8993 slab_unreclaimable:1480734
mapped:32946 shmem:379 pagetables:591 bounce:0
free:13690 free_pcp:130 free_cma:0
Call Trace:
Node 0 active_anon:190052kB inactive_anon:1484kB active_file:60kB
inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:131784kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 176128kB 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[]:
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
0
2817
6321
6321
Node 0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
DMA32 free:24988kB 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:13864kB min:37364kB low:46704kB high:56044kB
active_anon:190052kB inactive_anon:1484kB active_file:60kB
inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5152kB pagetables:2364kB
bounce:0kB free_pcp:520kB local_pcp:296kB 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(U)
1*2048kB
(M)
3*4096kB
(M)
= 15908kB
Node 0 DMA32:
3*4kB
(MH)
__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*8kB
(UH)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
4*16kB (UM)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
2*32kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UM)
2*64kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(M)
3*128kB (M)
3*256kB
(UM)
4*512kB
(MH)
3*1024kB
(M)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
3*2048kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(UM) 3*4096kB
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
(M)
= 24988kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
Node 0
Normal:
1042*4kB
(UMEH)
448*8kB (UMEH)
150*16kB
(MEH)
50*32kB
(MEH)
11*64kB
(MH)
5*128kB (UH)
1*256kB
(U)
1*512kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
(U)
0*1024kB
0*2048kB
0*4096kB
= 13864kB
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
408 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
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=
/
mems_allowed=0
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0x1017/0x11a0 kernel/printk/printk.c:2411
Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f
84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80
RSP: 0000:ffff8801bac2deb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d935a100 RBX: 0000000000000200 RCX: 1ffff1003b26b543
RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293
RBP: ffff8801bac2e010 R08: ffff8801d935aa18 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d935a100 R12: dffffc0000000000
R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1926
vprintk_default+0x28/0x30 kernel/printk/printk.c:1967
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:2000
dump_unreclaimable_slab.cold.22+0xd8/0xe5 mm/slab_common.c:1371
dump_header+0x7cc/0xf72 mm/oom_kill.c:447
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: 0033:0x45df89
Code: Bad RIP value.
RSP: 002b:000000c420031850 EFLAGS: 00010246
RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004
RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c429a77ea8
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c426010b40 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-fuzzer cpuset=
/
warn_alloc.cold.118+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]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
CPU: 1 PID: 5315 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
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:47513 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8993 slab_unreclaimable:1480734
mapped:32946 shmem:379 pagetables:591 bounce:0
free:13690 free_pcp:130 free_cma:0
Call Trace:
Node 0 active_anon:190052kB inactive_anon:1484kB active_file:60kB
inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:131784kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 176128kB 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:24988kB 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:13864kB min:37364kB low:46704kB high:56044kB
active_anon:190052kB inactive_anon:1484kB active_file:60kB
inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5152kB pagetables:2364kB
bounce:0kB free_pcp:520kB local_pcp:296kB 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)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
1*2048kB
(M)
3*4096kB
(M)
= 15908kB
Node 0
DMA32:
3*4kB
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
(MH)
2*8kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UH)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
4*16kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UM)
2*32kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM)
2*64kB
(M)
3*128kB
(M)
3*256kB
(UM)
4*512kB
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
(MH)
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
3*1024kB
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
(M)
3*2048kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(UM)
3*4096kB
(M) = 24988kB
Node 0
Normal:
1042*4kB
(UMEH)
448*8kB
(UMEH)
150*16kB
(MEH)
50*32kB
(MEH)
11*64kB
(MH)
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
5*128kB
(UH) 1*256kB
(U)
1*512kB
(U)
0*1024kB 0*2048kB
0*4096kB
= 13864kB
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
408 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342744 pages reserved
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=
/
mems_allowed=0
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0x1017/0x11a0 kernel/printk/printk.c:2411
Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f
84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80
RSP: 0000:ffff8801bac2deb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d935a100 RBX: 0000000000000200 RCX: 1ffff1003b26b543
RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293
RBP: ffff8801bac2e010 R08: ffff8801d935aa18 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d935a100 R12: dffffc0000000000
R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1926
vprintk_default+0x28/0x30 kernel/printk/printk.c:1967
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:2000
dump_unreclaimable_slab.cold.22+0xd8/0xe5 mm/slab_common.c:1371
dump_header+0x7cc/0xf72 mm/oom_kill.c:447
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: 0033:0x45df89
Code: Bad RIP value.
RSP: 002b:000000c420031850 EFLAGS: 00010246
RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
RDX: 0000000000000080 RSI: 000000c420031890 RDI: 0000000000000004
RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c429a77ea8
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c426010b40 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-fuzzer cpuset=
/
mems_allowed=0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5315 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
Mem-Info:
active_anon:47513 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8993 slab_unreclaimable:1480734
mapped:32946 shmem:379 pagetables:591 bounce:0
free:13690 free_pcp:130 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
Node 0 active_anon:190052kB inactive_anon:1484kB active_file:60kB
inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:131784kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 176128kB 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:24988kB 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:13864kB min:37364kB low:46704kB high:56044kB
active_anon:190052kB inactive_anon:1484kB active_file:60kB
inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5152kB pagetables:2364kB
bounce:0kB free_pcp:520kB local_pcp:296kB 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)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
3*4096kB (M)
= 15908kB
Node 0
DMA32:
3*4kB
(MH)
2*8kB (UH)
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 (M)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
3*128kB (M)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
3*256kB (UM)
4*512kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(MH)
3*1024kB (M)
3*2048kB
(UM)
3*4096kB
(M)
= 24988kB
Node 0
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
Normal:
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
1042*4kB
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
(UMEH)
448*8kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(UMEH)
150*16kB
(MEH)
50*32kB (MEH)
11*64kB (MH)
5*128kB (UH)
1*256kB
(U)
1*512kB (U)
0*1024kB 0*2048kB
0*4096kB
= 13864kB
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
408 total pagecache pages
0 pages in swap cache
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342744 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=
/
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_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0x1017/0x11a0 kernel/printk/printk.c:2411
Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f
84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80
RSP: 0000:ffff8801bac2deb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d935a100 RBX: 0000000000000200 RCX: 1ffff1003b26b543
RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293
RBP: ffff8801bac2e010 R08: ffff8801d935aa18 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d935a100 R12: dffffc0000000000
R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000
---
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