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SubjectINFO: rcu detected stall in ndisc_alloc_skb
From
Hello,

syzbot found the following crash on:

HEAD commit: ef4ab8447aa2 selftests: bpf: install script with_addr.sh
git tree: bpf-next
console output: https://syzkaller.appspot.com/x/log.txt?x=14a28b6e400000
kernel config: https://syzkaller.appspot.com/x/.config?x=7e7e2279c0020d5f
dashboard link: https://syzkaller.appspot.com/bug?extid=ea7d9cb314b4ab49a18a
compiler: gcc (GCC) 8.0.1 20180413 (experimental)

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+ea7d9cb314b4ab49a18a@syzkaller.appspotmail.com

CPU: 1 PID: 5702 Comm: rsyslogd Not tainted 4.19.0-rc6+ #118
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: (detected by 0, t=10712 jiffies, g=90369, q=135)
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
rcu: All QSes seen, last rcu_preempt kthread activity 10548
(4295003843-4294993295), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor0 R
running task
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
22896 7592 5826 0x8010000c
Call Trace:
<IRQ>
sched_show_task.cold.83+0x2b6/0x30a kernel/sched/core.c:5296
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
print_other_cpu_stall.cold.79+0xa83/0xba5 kernel/rcu/tree.c:1430
check_cpu_stall kernel/rcu/tree.c:1557 [inline]
__rcu_pending kernel/rcu/tree.c:3276 [inline]
rcu_pending kernel/rcu/tree.c:3319 [inline]
rcu_check_callbacks+0xafc/0x1990 kernel/rcu/tree.c:2665
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
update_process_times+0x2d/0x70 kernel/time/timer.c:1636
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
__run_hrtimer kernel/time/hrtimer.c:1398 [inline]
__hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1029 [inline]
smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1054
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node+0x247/0x730 mm/slab.c:3642
Code: 3f 7e 0f 85 32 ff ff ff e8 a5 7f 3e ff e9 28 ff ff ff e8 0c e3 c2 ff
48 83 3d 5c f4 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00
e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 23
RSP: 0000:ffff8801dae07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffffff8184e1ca
RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
RBP: ffff8801dae074c0 R08: ffff880193c38700 R09: fffffbfff12812c4
R10: ffff8801dae06098 R11: ffffffff89409623 R12: ffff8801d9a04040
R13: ffff8801d9a04040 R14: 0000000000000000 R15: 0000000000000286
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
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
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0xfdf/0x1160 kernel/printk/printk.c:2409
Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d cd 54 cd 07 00 0f
84 bc 00 00 00 e8 ca 37 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 3b d8 5d 00
RSP: 0000:ffff8801bccde450 EFLAGS: 00000293
ORIG_RAX: ffffffffffffff13
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
RAX: ffff8801bd36a180 RBX: 0000000000000200 RCX: ffffffff8184e1ca
RDX: 0000000000000000 RSI: ffffffff81649dc6 RDI: 0000000000000293
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
RBP: ffff8801bccde5b8 R08: ffff8801bd36a180 R09: fffffbfff12720c0
R10: fffffbfff12720c0 R11: ffffffff89390603 R12: dffffc0000000000
R13: ffffffff84885bf0 R14: dffffc0000000000 R15: ffffffff899428d0
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
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 60 3e ff e9 c5 fe ff ff e8 6d c3 c2 ff 48
83 3d bd d4 6f 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 62 23
RSP: 0000:ffff8801980a7748 EFLAGS: 00000286
vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
ORIG_RAX: ffffffffffffff13
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90001e5c000
printk+0xa7/0xcf kernel/printk/printk.c:1996
RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
RBP: ffff8801980a77b0 R08: ffff880193c38700 R09: fffffbfff12812c4
R10: ffff8801980a6390 R11: ffffffff89409623 R12: 0000000000000000
dump_unreclaimable_slab.cold.22+0xd8/0xe5 mm/slab_common.c:1371
R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
dump_header+0x7cc/0xf72 mm/oom_kill.c:447
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2079 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2066
bpf_prog_41f2bcae09cd4ac3+0x194/0x1000
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
rcu: rcu_preempt kthread starved for 10548 jiffies! g90369 f0x2
RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
schedule+0xfe/0x460 kernel/sched/core.c:3517
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
__do_cache_alloc mm/slab.c:3356 [inline]
slab_alloc mm/slab.c:3384 [inline]
kmem_cache_alloc_trace+0x214/0x750 mm/slab.c:3618
rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
kmalloc include/linux/slab.h:513 [inline]
syslog_print kernel/printk/printk.c:1297 [inline]
do_syslog+0xb9b/0x1690 kernel/printk/printk.c:1465
kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40
proc_reg_read+0x2a3/0x3d0 fs/proc/inode.c:231
__vfs_read+0x117/0x9b0 fs/read_write.c:416
vfs_read+0x17f/0x3c0 fs/read_write.c:452
ksys_read+0x101/0x260 fs/read_write.c:578
__do_sys_read fs/read_write.c:588 [inline]
__se_sys_read fs/read_write.c:586 [inline]
__x64_sys_read+0x73/0xb0 fs/read_write.c:586
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f5bbee581fd
Code: Bad RIP value.
RSP: 002b:00007f5bbc3f7e30 EFLAGS: 00000293
ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000001bc9ce0 RCX: 00007f5bbee581fd
RDX: 0000000000000fff RSI: 00007f5bbdc2c5a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000001bb5260 R09: 0000000000000000
R10: 6b205d3334383630 R11: 0000000000000293 R12: 000000000065e420
R13: 00007f5bbc3f89c0 R14: 00007f5bbf49d040 R15: 0000000000000003
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:48193 inactive_anon:137 isolated_anon:0
active_file:16 inactive_file:15 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9165 slab_unreclaimable:1475206
mapped:8194 shmem:144 pagetables:402 bounce:0
free:13771 free_pcp:443 free_cma:0
Node 0 active_anon:192772kB inactive_anon:548kB active_file:64kB
inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:32776kB dirty:0kB writeback:0kB shmem:576kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Node 0
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]:
0
2819
6323
6323
Node 0
DMA32 free:25264kB min:30060kB low:37572kB high:45084kB active_anon:0kB
inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2890736kB 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:13912kB min:37352kB low:46688kB high:56024kB
active_anon:192772kB inactive_anon:548kB active_file:60kB
inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB
managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1608kB
bounce:0kB free_pcp:1524kB local_pcp:1456kB free_cma:0kB
lowmem_reserve[]:
kthread+0x35a/0x420 kernel/kthread.c:246
0
0
0
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
0
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
(U)
syz-executor0 cpuset=
2*64kB
syz0
(U)
mems_allowed=0
1*128kB
CPU: 0 PID: 7592 Comm: syz-executor0 Not tainted 4.19.0-rc6+ #118
(U)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
1*256kB (U)
Call Trace:
0*512kB
<IRQ>
1*1024kB
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
(U)
1*2048kB
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
(M)
3*4096kB
(M)
= 15908kB
Node 0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
DMA32:
4*4kB
(UM)
2*8kB (M)
3*16kB
(M)
3*32kB
(M)
4*64kB
(UM)
4*128kB
(UM)
3*256kB
(M)
4*512kB
(UM)
3*1024kB
(UM)
3*2048kB
(M)
3*4096kB
(M)
= 25264kB
Node 0
Normal:
942*4kB
(UME)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
338*8kB
(UMEH)
149*16kB
(UME)
84*32kB
(UMEH)
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
25*64kB (UM)
2*128kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UH)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
0*256kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
1*512kB
(H)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
0*1024kB
0*2048kB 0*4096kB
= 13912kB
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
175 total pagecache pages
0 pages in swap cache
alloc_skb include/linux/skbuff.h:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
Swap cache stats: add 0, delete 0, find 0/0
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
Free swap = 0kB
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
Total swap = 0kB
1965979 pages RAM
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
0 pages HighMem/MovableOnly
342307 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
rsyslogd cpuset=
/
mems_allowed=0
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010: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 60 3e ff e9 c5 fe ff ff e8 6d c3 c2 ff 48
83 3d bd d4 6f 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 62 23
RSP: 0000:ffff8801980a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90001e5c000
RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
RBP: ffff8801980a77b0 R08: ffff880193c38700 R09: fffffbfff12812c4
R10: ffff8801980a6390 R11: ffffffff89409623 R12: 0000000000000000
R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2079 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2066
bpf_prog_41f2bcae09cd4ac3+0x194/0x1000
Mem-Info:
CPU: 1 PID: 5702 Comm: rsyslogd Not tainted 4.19.0-rc6+ #118
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
active_anon:48193 inactive_anon:137 isolated_anon:0
active_file:16 inactive_file:15 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9165 slab_unreclaimable:1475206
mapped:8194 shmem:144 pagetables:402 bounce:0
free:13771 free_pcp:443 free_cma:0
Call Trace:
Node 0 active_anon:192772kB inactive_anon:548kB active_file:64kB
inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:32776kB dirty:0kB writeback:0kB shmem:576kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 178176kB 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.119+0xb7/0x1bd mm/page_alloc.c:3426
0
2819
6323
6323
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
Node 0
DMA32 free:25264kB min:30060kB low:37572kB high:45084kB active_anon:0kB
inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB
free_cma:0kB
lowmem_reserve[]:
0
0
3503
3503
Node 0
Normal free:13912kB min:37352kB low:46688kB high:56024kB
active_anon:192772kB inactive_anon:548kB active_file:60kB
inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB
managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1608kB
bounce:0kB free_pcp:1524kB local_pcp:68kB 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:
__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
4*4kB
(UM)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
2*8kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
3*16kB
(M)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*32kB
(M)
4*64kB
(UM)
4*128kB
(UM)
3*256kB
alloc_skb include/linux/skbuff.h:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
(M)
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
4*512kB
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
(UM)
3*1024kB
(UM)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
3*2048kB
(M)
3*4096kB
(M)
= 25264kB
Node 0
Normal:
942*4kB
(UME)
338*8kB
(UMEH)
149*16kB
(UME)
84*32kB
(UMEH)
25*64kB
(UM)
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
2*128kB
(UH)
0*256kB
1*512kB
(H)
0*1024kB
0*2048kB
0*4096kB
= 13912kB
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
175 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
1965979 pages RAM
0 pages HighMem/MovableOnly
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
342307 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-executor0 cpuset=
syz0
mems_allowed=0
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0xfdf/0x1160 kernel/printk/printk.c:2409
Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d cd 54 cd 07 00 0f
84 bc 00 00 00 e8 ca 37 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 3b d8 5d 00
RSP: 0000:ffff8801bccde450 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bd36a180 RBX: 0000000000000200 RCX: ffffffff8184e1ca
RDX: 0000000000000000 RSI: ffffffff81649dc6 RDI: 0000000000000293
RBP: ffff8801bccde5b8 R08: ffff8801bd36a180 R09: fffffbfff12720c0
R10: fffffbfff12720c0 R11: ffffffff89390603 R12: dffffc0000000000
R13: ffffffff84885bf0 R14: dffffc0000000000 R15: ffffffff899428d0
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:1996
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:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages 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
__do_cache_alloc mm/slab.c:3356 [inline]
slab_alloc mm/slab.c:3384 [inline]
kmem_cache_alloc_trace+0x214/0x750 mm/slab.c:3618
kmalloc include/linux/slab.h:513 [inline]
syslog_print kernel/printk/printk.c:1297 [inline]
do_syslog+0xb9b/0x1690 kernel/printk/printk.c:1465
kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40
proc_reg_read+0x2a3/0x3d0 fs/proc/inode.c:231
__vfs_read+0x117/0x9b0 fs/read_write.c:416
vfs_read+0x17f/0x3c0 fs/read_write.c:452
ksys_read+0x101/0x260 fs/read_write.c:578
__do_sys_read fs/read_write.c:588 [inline]
__se_sys_read fs/read_write.c:586 [inline]
__x64_sys_read+0x73/0xb0 fs/read_write.c:586
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f5bbee581fd
Code: Bad RIP value.
RSP: 002b:00007f5bbc3f7e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000001bc9ce0 RCX: 00007f5bbee581fd
RDX: 0000000000000fff RSI: 00007f5bbdc2c5a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000001bb5260 R09: 0000000000000000
R10: 6b205d3334383630 R11: 0000000000000293 R12: 000000000065e420
R13: 00007f5bbc3f89c0 R14: 00007f5bbf49d040 R15: 0000000000000003
CPU: 0 PID: 7592 Comm: syz-executor0 Not tainted 4.19.0-rc6+ #118
Mem-Info:
active_anon:48193 inactive_anon:137 isolated_anon:0
active_file:16 inactive_file:15 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9165 slab_unreclaimable:1475206
mapped:8194 shmem:144 pagetables:402 bounce:0
free:13771 free_pcp:443 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:192772kB inactive_anon:548kB active_file:64kB
inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:32776kB dirty:0kB writeback:0kB shmem:576kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]:
0
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
2819
6323 6323
Node 0 DMA32 free:25264kB min:30060kB low:37572kB high:45084kB
active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB
unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB
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:13912kB min:37352kB low:46688kB high:56024kB
active_anon:192772kB inactive_anon:548kB active_file:60kB
inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB
managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1608kB
bounce:0kB free_pcp:1524kB local_pcp:1456kB 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
1*1024kB
(U)
1*2048kB
(M)
3*4096kB
(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
= 15908kB
Node 0
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
DMA32:
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
4*4kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UM)
2*8kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(M)
3*16kB
(M)
3*32kB
(M)
4*64kB
alloc_skb include/linux/skbuff.h:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
(UM)
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
4*128kB
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
(UM)
3*256kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(M)
4*512kB
(UM)
3*1024kB
(UM)
3*2048kB
(M)
3*4096kB
(M)
= 25264kB
Node 0
Normal:
942*4kB
(UME)
338*8kB
(UMEH)
149*16kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
(UME)
84*32kB
(UMEH)
25*64kB
(UM)
2*128kB
(UH)
0*256kB
1*512kB
(H)
0*1024kB
0*2048kB
0*4096kB
= 13912kB
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
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
175 total pagecache pages
0 pages in swap cache
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342307 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
rsyslogd cpuset=
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
mems_allowed=0
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 60 3e ff e9 c5 fe ff ff e8 6d c3 c2 ff 48
83 3d bd d4 6f 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 62 23
RSP: 0000:ffff8801980a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90001e5c000
RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
RBP: ffff8801980a77b0 R08: ffff880193c38700 R09: fffffbfff12812c4
R10: ffff8801980a6390 R11: ffffffff89409623 R12: 0000000000000000
R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2079 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2066
bpf_prog_41f2bcae09cd4ac3+0x194/0x1000
CPU: 1 PID: 5702 Comm: rsyslogd Not tainted 4.19.0-rc6+ #118
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor0 cpuset=
syz0
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:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0xfdf/0x1160 kernel/printk/printk.c:2409
Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d cd 54 cd 07 00 0f
84 bc 00 00 00 e8 ca 37 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 3b d8 5d 00
RSP: 0000:ffff8801bccde450 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bd36a180 RBX: 0000000000000200 RCX: ffffffff8184e1ca
RDX: 0000000000000000 RSI: ffffffff81649dc6 RDI: 0000000000000293
RBP: ffff8801bccde5b8 R08: ffff8801bd36a180 R09: fffffbfff12720c0
R10: fffffbfff12720c0 R11: ffffffff89390603 R12: dffffc0000000000
R13: ffffffff84885bf0 R14: dffffc0000000000 R15: ffffffff899428d0
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:1996
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:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages 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
__do_cache_alloc mm/slab.c:3356 [inline]
slab_alloc mm/slab.c:3384 [inline]
kmem_cache_alloc_trace+0x214/0x750 mm/slab.c:3618
kmalloc include/linux/slab.h:513 [inline]
syslog_print kernel/printk/printk.c:1297 [inline]
do_syslog+0xb9b/0x1690 kernel/printk/printk.c:1465
kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40
proc_reg_read+0x2a3/0x3d0 fs/proc/inode.c:231
__vfs_read+0x117/0x9b0 fs/read_write.c:416
vfs_read+0x17f/0x3c0 fs/read_write.c:452
ksys_read+0x101/0x260 fs/read_write.c:578
__do_sys_read fs/read_write.c:588 [inline]
__se_sys_read fs/read_write.c:586 [inline]
__x64_sys_read+0x73/0xb0 fs/read_write.c:586
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f5bbee581fd
Code: Bad RIP value.
RSP: 002b:00007f5bbc3f7e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000001bc9ce0 RCX: 00007f5bbee581fd
RDX: 0000000000000fff RSI: 00007f5bbdc2c5a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000001bb5260 R09: 0000000000000000
R10: 6b205d3334383630 R11: 0000000000000293 R12: 000000000065e420
R13: 00007f5bbc3f89c0 R14: 00007f5bbf49d040 R15: 0000000000000003
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 7592 Comm: syz-executor0 Not tainted 4.19.0-rc6+ #118
Mem-Info:
active_anon:48193 inactive_anon:137 isolated_anon:0
active_file:16 inactive_file:15 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9165 slab_unreclaimable:1475206
mapped:8194 shmem:144 pagetables:402 bounce:0
free:13771 free_pcp:443 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:192772kB inactive_anon:548kB active_file:64kB
inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:32776kB dirty:0kB writeback:0kB shmem:576kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]:
0
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
2819
6323
6323
Node 0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
DMA32 free:25264kB min:30060kB low:37572kB high:45084kB active_anon:0kB
inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2890736kB 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:13912kB min:37352kB low:46688kB high:56024kB
active_anon:192772kB inactive_anon:548kB active_file:60kB
inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB
managed:3588044kB mlocked:0kB kernel_stack:5248kB pagetables:1608kB
bounce:0kB free_pcp:1524kB local_pcp:1456kB 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)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
1*256kB
(U)
0*512kB
1*1024kB
(U)
1*2048kB
__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*4096kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(M) = 15908kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
Node 0
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
DMA32:
4*4kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM)
2*8kB
(M)
3*16kB
(M)
3*32kB
(M)
alloc_skb include/linux/skbuff.h:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
4*64kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(UM)
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
4*128kB
(UM)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
3*256kB
(M)
4*512kB
(UM)
3*1024kB
(UM)
3*2048kB
(M)
3*4096kB
(M)
= 25264kB
Node 0
Normal:
942*4kB
(UME)
338*8kB
(UMEH)
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
149*16kB
(UME)
84*32kB
(UMEH)
25*64kB
(UM)
2*128kB
(UH)
0*256kB
1*512kB
(H)
0*1024kB
0*2048kB
0*4096kB
= 13912kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=1048576kB
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=2048kB
175 total pagecache pages
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
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
342307 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
rsyslogd cpuset=
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
/
mems_allowed=0
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 60 3e ff e9 c5 fe ff ff e8 6d c3 c2 ff 48
83 3d bd d4 6f 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 62 23
RSP: 0000:ffff8801980a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90001e5c000
RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
RBP: ffff8801980a77b0 R08: ffff880193c38700 R09: fffffbfff12812c4
R10: ffff8801980a6390 R11: ffffffff89409623 R12: 0000000000000000
R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2079 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2066
bpf_prog_41f2bcae09cd4ac3+0x194/0x1000
CPU: 1 PID: 5702 Comm: rsyslogd Not tainted 4.19.0-rc6+ #118
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-executor0 cpuset=
syz0 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:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
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


---
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