INFO: rcu detected stall in skb_clone

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syzbot

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Sep 10, 2018, 4:31:06 AM9/10/18
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=1790acbe400000
kernel config: https://syzkaller.appspot.com/x/.config?x=8f59875069d721b6
dashboard link: https://syzkaller.appspot.com/bug?extid=95e1ccf7b4c6aafb9e38
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
CC: [a...@kernel.org dan...@iogearbox.net da...@davemloft.net
linux-...@vger.kernel.org net...@vger.kernel.org]

Unfortunately, I don't have any reproducer for this crash yet.

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+95e1cc...@syzkaller.appspotmail.com

CPU: 1 PID: 18 Comm: ksoftirqd/1 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:
rcu: 1-...!: (1 GPs behind) idle=94a/1/0x4000000000000000
softirq=9030/9031 fqs=241
__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
rcu:
(detected by 0, t=10512 jiffies, g=10513, q=15)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #51
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 kernel/kcov.c:146
Code: 14 dd 28 00 00 00 4d 39 d0 72 1b 49 83 c1 01 4a 89 7c 10 e0 4a 89 74
10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 <55> 48 89 e5 65
48 8b 04 25 40 ee 01 00 65 8b 15 8c 1e 83 7e 81 e2
RSP: 0000:ffff8801d9b561c0 EFLAGS: 00000046
RAX: 0000000000000102 RBX: ffff8801d9b56240 RCX: ffffffff87bb788c
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8801d9b562e8 R08: ffff8801d9b3e4c0 R09: fffffbfff166f4e4
R10: fffffbfff166f4e4 R11: ffffffff8b37a720 R12: 0000000000000000
R13: 000000000000000a R14: ffffffff880c3005 R15: ffffffff8b37a721
FS: 0000000000000000(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000045ddc9 CR3: 00000001bdeeb000 CR4: 00000000001406e0
Call Trace:
vsnprintf+0x13d0/0x1b60 lib/vsprintf.c:2359
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 10030 jiffies! g10513 f0x0
RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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
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
rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
__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
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
run_ksoftirqd+0x94/0x100 kernel/softirq.c:653
syz-executor5 cpuset=
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
syz5
mems_allowed=0
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: 0 PID: 7579 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #51
Mem-Info:
active_anon:39583 inactive_anon:2750 isolated_anon:0
active_file:20 inactive_file:15 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8610 slab_unreclaimable:1465714
mapped:57522 shmem:2758 pagetables:675 bounce:0
free:13757 free_pcp:218 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:158332kB inactive_anon:11000kB active_file:80kB
inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:230088kB dirty:0kB writeback:0kB shmem:11032kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 147456kB 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:25256kB min:30048kB low:37560kB high:45072kB active_anon:4kB
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:248kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]: 0
0 3503
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
3503
Node 0
Normal free:13864kB min:37364kB low:46704kB high:56044kB
active_anon:158328kB inactive_anon:11000kB active_file:80kB
inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5344kB pagetables:2700kB
bounce:0kB free_pcp:624kB local_pcp:160kB free_cma:0kB
lowmem_reserve[]: 0
0 0
0
Node 0
DMA:
1*4kB
(U)
0*8kB
0*16kB
1*32kB (U)
2*64kB (U)
1*128kB (U)
1*256kB
(U)
0*512kB
1*1024kB
(U) 1*2048kB
(M)
3*4096kB (M)
= 15908kB
Node 0
DMA32: 4*4kB
(UM) 1*8kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(M) 5*16kB
(UM)
2*32kB
(M) 4*64kB
(UM)
2*128kB
(M)
2*256kB
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
(M)
3*512kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(M)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
4*1024kB (UM)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
3*2048kB
(UM)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*4096kB (M)
= 25256kB
Node 0
Normal: 1000*4kB
(UME)
403*8kB
(ME)
201*16kB (UME)
67*32kB
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
(UME) 16*64kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(UM)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
2*128kB
(U)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
0*256kB
0*512kB
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
2793 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
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.318
msecs
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/1 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: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 9a 42
RSP: 0018:ffff8801a1cb7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801a1caed00 RDI: 0000000000000282
RBP: ffff8801a1cb77b0 R08: ffff8801a1cae480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_3aea14b1f6cd0d8b+0xee/0x1000
CPU: 1 PID: 18 Comm: ksoftirqd/1 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-executor5: 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-executor5 cpuset=
syz5
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: 0 PID: 7579 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #51
Mem-Info:
active_anon:39583 inactive_anon:2750 isolated_anon:0
active_file:20 inactive_file:15 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8610 slab_unreclaimable:1465714
mapped:57522 shmem:2758 pagetables:675 bounce:0
free:13757 free_pcp:218 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
Node 0 active_anon:158332kB inactive_anon:11000kB active_file:80kB
inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:230088kB dirty:0kB writeback:0kB shmem:11032kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 147456kB 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
DMA32 free:25256kB min:30048kB low:37560kB high:45072kB active_anon:4kB
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:248kB 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:158328kB inactive_anon:11000kB active_file:80kB
inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5344kB pagetables:2700kB
bounce:0kB free_pcp:624kB local_pcp:160kB free_cma:0kB
lowmem_reserve[]:
0 0
0 0
Node 0
DMA: 1*4kB
(U)
0*8kB 0*16kB
1*32kB (U)
2*64kB (U)
1*128kB
(U)
1*256kB (U)
0*512kB 1*1024kB
(U) 1*2048kB
(M)
3*4096kB
(M)
= 15908kB
Node 0
DMA32:
4*4kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(UM)
1*8kB
(M)
5*16kB
(UM) 2*32kB
(M)
4*64kB (UM)
2*128kB
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
(M)
2*256kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(M)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
3*512kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M)
4*1024kB (UM)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*2048kB
(UM)
3*4096kB (M)
= 25256kB
Node 0
Normal: 1000*4kB
(UME)
403*8kB
(ME)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
201*16kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(UME)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
67*32kB
(UME)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
16*64kB
(UM)
2*128kB
(U) 0*256kB
0*512kB
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
2793 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
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/1 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: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 9a 42
RSP: 0018:ffff8801a1cb7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801a1caed00 RDI: 0000000000000282
RBP: ffff8801a1cb77b0 R08: ffff8801a1cae480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_3aea14b1f6cd0d8b+0xee/0x1000
CPU: 1 PID: 18 Comm: ksoftirqd/1 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
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-executor5 cpuset=
syz5
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: 0 PID: 7579 Comm: syz-executor5 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:39583 inactive_anon:2750 isolated_anon:0
active_file:20 inactive_file:15 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8610 slab_unreclaimable:1465714
mapped:57522 shmem:2758 pagetables:675 bounce:0
free:13757 free_pcp:218 free_cma:0
Call Trace:
Node 0 active_anon:158332kB inactive_anon:11000kB active_file:80kB
inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:230088kB dirty:0kB writeback:0kB shmem:11032kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 147456kB 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:25256kB min:30048kB low:37560kB high:45072kB active_anon:4kB
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:248kB 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:158328kB inactive_anon:11000kB active_file:80kB
inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5344kB pagetables:2700kB
bounce:0kB free_pcp:624kB local_pcp:160kB free_cma:0kB
lowmem_reserve[]:
0 0
0
0
Node 0
DMA: 1*4kB
(U)
0*8kB 0*16kB
1*32kB
(U)
2*64kB (U)
1*128kB
(U)
1*256kB (U)
0*512kB
1*1024kB
(U) 1*2048kB
(M)
3*4096kB
(M)
= 15908kB
Node 0
DMA32: 4*4kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(UM)
1*8kB
(M)
5*16kB (UM)
2*32kB
(M)
4*64kB
(UM) 2*128kB
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
(M)
2*256kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(M)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
3*512kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M) 4*1024kB
(UM)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*2048kB
(UM)
3*4096kB
(M) = 25256kB
Node 0
Normal:
1000*4kB
(UME)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
403*8kB (ME)
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
201*16kB (UME)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
67*32kB
(UME)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
16*64kB (UM)
2*128kB (U)
0*256kB
0*512kB 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
2793 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
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0 pages HighMem/MovableOnly
342744 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/1 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: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 9a 42
RSP: 0018:ffff8801a1cb7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801a1caed00 RDI: 0000000000000282
RBP: ffff8801a1cb77b0 R08: ffff8801a1cae480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_3aea14b1f6cd0d8b+0xee/0x1000
CPU: 1 PID: 18 Comm: ksoftirqd/1 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-executor5: 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-executor5 cpuset=
syz5
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
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 7579 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #51
Mem-Info:
active_anon:39583 inactive_anon:2750 isolated_anon:0
active_file:20 inactive_file:15 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8610 slab_unreclaimable:1465714
mapped:57522 shmem:2758 pagetables:675 bounce:0
free:13757 free_pcp:218 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
Node 0 active_anon:158332kB inactive_anon:11000kB active_file:80kB
inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:230088kB dirty:0kB writeback:0kB shmem:11032kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 147456kB 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:25256kB min:30048kB low:37560kB high:45072kB active_anon:4kB
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:248kB 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:158328kB inactive_anon:11000kB active_file:80kB
inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5344kB pagetables:2700kB
bounce:0kB free_pcp:624kB local_pcp:160kB 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:
4*4kB
(UM)
1*8kB
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
(M)
5*16kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(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
(M)
4*64kB (UM)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
2*128kB
(M)
2*256kB
(M)
3*512kB
(M) 4*1024kB
(UM) 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
= 25256kB
Node 0
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
Normal:
1000*4kB
(UME)
403*8kB (ME)
201*16kB
(UME)
67*32kB
(UME)
16*64kB
(UM)
2*128kB
(U)
0*256kB
0*512kB
0*1024kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*2048kB
0*4096kB = 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
2793 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
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/1 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: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 9a 42
RSP: 0018:ffff8801a1cb7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801a1caed00 RDI: 0000000000000282
RBP: ffff8801a1cb77b0 R08: ffff8801a1cae480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_3aea14b1f6cd0d8b+0xee/0x1000
CPU: 1 PID: 18 Comm: ksoftirqd/1 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-executor5: 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-executor5 cpuset=
syz5
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
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 7579 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #51
Mem-Info:
active_anon:39583 inactive_anon:2750 isolated_anon:0
active_file:20 inactive_file:15 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8610 slab_unreclaimable:1465714
mapped:57522 shmem:2758 pagetables:675 bounce:0
free:13757 free_pcp:218 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:158332kB inactive_anon:11000kB active_file:80kB
inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:230088kB dirty:0kB writeback:0kB shmem:11032kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 147456kB 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
6321
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
6321
Node 0
DMA32 free:25256kB min:30048kB low:37560kB high:45072kB active_anon:4kB
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:248kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]: 0
0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
3503
3503
Node 0
Normal free:13864kB min:37364kB low:46704kB high:56044kB
active_anon:158328kB inactive_anon:11000kB active_file:80kB
inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5344kB pagetables:2700kB
bounce:0kB free_pcp:624kB local_pcp:160kB free_cma:0kB
lowmem_reserve[]: 0
0 0
0
Node 0
DMA: 1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U)
2*64kB
(U)
1*128kB
(U)
1*256kB
(U)
0*512kB
1*1024kB
(U)
1*2048kB
(M)
3*4096kB
(M)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
= 15908kB
Node 0
DMA32:
4*4kB
(UM)
1*8kB
(M)
5*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
(M) 4*64kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UM)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
2*128kB (M)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
2*256kB
(M) 3*512kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(M)
4*1024kB (UM)
3*2048kB
(UM)
3*4096kB
(M)
= 25256kB
Node 0
Normal:
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
1000*4kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(UME)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
403*8kB (ME)
201*16kB (UME)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
67*32kB (UME)
16*64kB (UM)
2*128kB (U)
0*256kB 0*512kB
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
2793 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
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0 pages HighMem/MovableOnly
342744 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/1 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


---
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Dmitry Vyukov

unread,
Sep 11, 2018, 5:34:19 AM9/11/18
to syzbot, 'Dmitry Vyukov' via syzkaller-upstream-moderation
looks totally corrupted

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