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: 5336 Comm: syz-executor5 Not tainted 4.19.0-rc4+ #104
rcu: INFO: rcu_preempt self-detected stall on CPU
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
rcu: 1-...!: (111 ticks this GP) idle=ee6/1/0x4000000000000002 softirq=21846/21846 fqs=1
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
rcu:
(t=10542 jiffies g=23449 q=3)
rcu: rcu_preempt kthread starved for 10325 jiffies! g23449 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task
22960 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
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
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
NMI backtrace for cpu 1
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:__raw_write_unlock_irq include/linux/rwlock_api_smp.h:267 [inline]
RIP: 0010:_raw_write_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:336
Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 8b 6e 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 c0 b1 95 f9 65 8b 05 49 32 42 78 85 c0 74 05 5b
RSP: 0000:ffff8801cbc7f350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000
RDX: 1ffffffff12a453f RSI: 0000000000000001 RDI: ffffffff895229f8
RBP: ffff8801cbc7f358 R08: ffff8801ce47c140 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d5331140
R13: ffff8801cbc7f490 R14: 0000000000000000 R15: ffff8801ce47c6c0
exit_notify kernel/exit.c:733 [inline]
do_exit+0x11ef/0x2610 kernel/exit.c:887
do_group_exit+0x177/0x440 kernel/exit.c:970
get_signal+0x8b0/0x1980 kernel/signal.c:2513
do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816
exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4110ba
Code: Bad RIP value.
RSP: 002b:00007ffc3e985698 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000014df RCX: 00000000004110ba
RDX: 0000000040000000 RSI: 00007ffc3e9856a4 RDI: ffffffffffffffff
RBP: 0000000000930b28 R08: 00000000000014d8 R09: 0000000000fa9940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
R13: 0000000000412cc0 R14: 0000000000000000 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc4+ #104
Mem-Info:
active_anon:50613 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:18 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9270 slab_unreclaimable:1472370
mapped:41138 shmem:379 pagetables:597 bounce:0
free:13728 free_pcp:120 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:202452kB inactive_anon:1484kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:164552kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
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
2817
nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101
6321
6321
nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
Node 0
trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline]
rcu_dump_cpu_stacks+0x175/0x1c2 kernel/rcu/tree.c:1340
DMA32 free:25140kB min:30048kB low:37560kB high:45072kB active_anon:188kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
print_cpu_stall.cold.78+0x2d3/0x524 kernel/rcu/tree.c:1478
0
0 3503
3503
Node 0
Normal free:13864kB min:37364kB low:46704kB high:56044kB active_anon:202264kB inactive_anon:1484kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5184kB pagetables:2388kB bounce:0kB free_pcp:480kB local_pcp:212kB free_cma:0kB
lowmem_reserve[]: 0
0
0
0
check_cpu_stall kernel/rcu/tree.c:1550 [inline]
__rcu_pending kernel/rcu/tree.c:3276 [inline]
rcu_pending kernel/rcu/tree.c:3319 [inline]
rcu_check_callbacks+0xfd9/0x1990 kernel/rcu/tree.c:2665
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
(UM)
3*8kB
(UM)
update_process_times+0x2d/0x70 kernel/time/timer.c:1636
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
3*16kB (UM)
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
1*32kB (M)
__run_hrtimer kernel/time/hrtimer.c:1398 [inline]
__hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
1*64kB
(M)
5*128kB
(UM)
3*256kB
(M)
4*512kB
(M)
3*1024kB
(UM)
3*2048kB (UM)
3*4096kB
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
(M)
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
= 25140kB
Node 0
Normal:
894*4kB
(UME)
400*8kB
(ME)
203*16kB
(ME)
78*32kB
(ME)
15*64kB (M)
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
3*128kB
(UM)
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
0*256kB
Code: 40 7e 0f 85 32 ff ff ff e8 45 c1 3e ff e9 28 ff ff ff e8 7c 23 c3 ff 48 83 3d 3c 6d 90 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 4b
0*512kB
RSP: 0000:ffff8801d9b571a0 EFLAGS: 00000286
0*1024kB
ORIG_RAX: ffffffffffffff13
0*2048kB
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b367db1
0*4096kB = 13864kB
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
RBP: ffff8801d9b57210 R08: ffff8801d9b3ed88 R09: 0000000000000002
R10: 0000000000000000 R11: ffff8801d9b3e4c0 R12: ffff8801d9be7680
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000286
412 total pagecache pages
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
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
342745 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
alloc_skb include/linux/skbuff.h:995 [inline]
nlmsg_new include/net/netlink.h:511 [inline]
__br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:377
syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor5 cpuset=
/
mems_allowed=0
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:410
br_multicast_del_pg+0x3df/0x790 net/bridge/br_multicast.c:292
br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316
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: 5336 Comm: syz-executor5 Not tainted 4.19.0-rc4+ #104
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
ksoftirqd/1 cpuset=
Call Trace:
/
mems_allowed=0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:__raw_write_unlock_irq include/linux/rwlock_api_smp.h:267 [inline]
RIP: 0010:_raw_write_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:336
Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 8b 6e 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 c0 b1 95 f9 65 8b 05 49 32 42 78 85 c0 74 05 5b
RSP: 0000:ffff8801cbc7f350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000
RDX: 1ffffffff12a453f RSI: 0000000000000001 RDI: ffffffff895229f8
RBP: ffff8801cbc7f358 R08: ffff8801ce47c140 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d5331140
R13: ffff8801cbc7f490 R14: 0000000000000000 R15: ffff8801ce47c6c0
exit_notify kernel/exit.c:733 [inline]
do_exit+0x11ef/0x2610 kernel/exit.c:887
do_group_exit+0x177/0x440 kernel/exit.c:970
get_signal+0x8b0/0x1980 kernel/signal.c:2513
do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816
exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4110ba
Code: Bad RIP value.
RSP: 002b:00007ffc3e985698 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000014df RCX: 00000000004110ba
RDX: 0000000040000000 RSI: 00007ffc3e9856a4 RDI: ffffffffffffffff
RBP: 0000000000930b28 R08: 00000000000014d8 R09: 0000000000fa9940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
R13: 0000000000412cc0 R14: 0000000000000000 R15: 0000000000000000
Mem-Info:
CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc4+ #104
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:50613 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:18 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9270 slab_unreclaimable:1472370
mapped:41138 shmem:379 pagetables:597 bounce:0
free:13728 free_pcp:120 free_cma:0
Call Trace:
Node 0 active_anon:202452kB inactive_anon:1484kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:164552kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
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
2817
6321
6321
Node 0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
DMA32 free:25140kB min:30048kB low:37560kB high:45072kB active_anon:188kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB 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:202264kB inactive_anon:1484kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5184kB pagetables:2388kB bounce:0kB free_pcp:480kB local_pcp:212kB 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)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
0*512kB
1*1024kB
(U)
1*2048kB
(M)
3*4096kB
(M)
= 15908kB
__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
Node 0
DMA32: 3*4kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UM)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
3*8kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UM)
3*16kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM)
1*32kB
(M)
1*64kB
(M)
5*128kB
(UM)
alloc_skb include/linux/skbuff.h:995 [inline]
nlmsg_new include/net/netlink.h:511 [inline]
__br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:377
3*256kB
(M) 4*512kB
(M)
3*1024kB
(UM)
3*2048kB
(UM)
3*4096kB
(M)
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:410
= 25140kB
Node 0
br_multicast_del_pg+0x3df/0x790 net/bridge/br_multicast.c:292
Normal:
894*4kB
(UME) 400*8kB
(ME)
br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316
203*16kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(ME)
78*32kB
(ME)
15*64kB
(M)
3*128kB
(UM) 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
412 total pagecache pages
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
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
342745 pages reserved
0 pages cma reserved
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)
syz-executor5 cpuset=
/
mems_allowed=0
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: 5336 Comm: syz-executor5 Not tainted 4.19.0-rc4+ #104
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
ksoftirqd/1 cpuset=
Call Trace:
/
mems_allowed=0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:__raw_write_unlock_irq include/linux/rwlock_api_smp.h:267 [inline]
RIP: 0010:_raw_write_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:336
Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 8b 6e 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 c0 b1 95 f9 65 8b 05 49 32 42 78 85 c0 74 05 5b
RSP: 0000:ffff8801cbc7f350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000
RDX: 1ffffffff12a453f RSI: 0000000000000001 RDI: ffffffff895229f8
RBP: ffff8801cbc7f358 R08: ffff8801ce47c140 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d5331140
R13: ffff8801cbc7f490 R14: 0000000000000000 R15: ffff8801ce47c6c0
exit_notify kernel/exit.c:733 [inline]
do_exit+0x11ef/0x2610 kernel/exit.c:887
do_group_exit+0x177/0x440 kernel/exit.c:970
get_signal+0x8b0/0x1980 kernel/signal.c:2513
do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816
exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4110ba
Code: Bad RIP value.
RSP: 002b:00007ffc3e985698 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000014df RCX: 00000000004110ba
RDX: 0000000040000000 RSI: 00007ffc3e9856a4 RDI: ffffffffffffffff
RBP: 0000000000930b28 R08: 00000000000014d8 R09: 0000000000fa9940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
R13: 0000000000412cc0 R14: 0000000000000000 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc4+ #104
Mem-Info:
active_anon:50613 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:18 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9270 slab_unreclaimable:1472370
mapped:41138 shmem:379 pagetables:597 bounce:0
free:13728 free_pcp:120 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:202452kB inactive_anon:1484kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:164552kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
Node 0
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
lowmem_reserve[]:
0
2817 6321
6321
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
Node 0
DMA32 free:25140kB min:30048kB low:37560kB high:45072kB active_anon:188kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB 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:202264kB inactive_anon:1484kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5184kB pagetables:2388kB bounce:0kB free_pcp:480kB local_pcp:212kB 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 (M)
3*4096kB
(M) = 15908kB
Node 0
__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
DMA32:
3*4kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UM)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
3*8kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UM)
3*16kB (UM)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
1*32kB (M)
1*64kB
(M)
5*128kB
(UM)
3*256kB
(M)
alloc_skb include/linux/skbuff.h:995 [inline]
nlmsg_new include/net/netlink.h:511 [inline]
__br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:377
4*512kB
(M)
3*1024kB
(UM)
3*2048kB (UM)
3*4096kB
(M)
= 25140kB
Node 0
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:410
Normal:
894*4kB
br_multicast_del_pg+0x3df/0x790 net/bridge/br_multicast.c:292
(UME)
400*8kB
(ME)
203*16kB (ME)
br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316
78*32kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(ME)
15*64kB
(M)
3*128kB
(UM)
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
412 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
342745 pages reserved
0 pages cma reserved
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)
syz-executor5 cpuset=
/
mems_allowed=0
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: 5336 Comm: syz-executor5 Not tainted 4.19.0-rc4+ #104
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
ksoftirqd/1 cpuset=
/
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
mems_allowed=0
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:__raw_write_unlock_irq include/linux/rwlock_api_smp.h:267 [inline]
RIP: 0010:_raw_write_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:336
Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 8b 6e 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 c0 b1 95 f9 65 8b 05 49 32 42 78 85 c0 74 05 5b
RSP: 0000:ffff8801cbc7f350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000
RDX: 1ffffffff12a453f RSI: 0000000000000001 RDI: ffffffff895229f8
RBP: ffff8801cbc7f358 R08: ffff8801ce47c140 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d5331140
R13: ffff8801cbc7f490 R14: 0000000000000000 R15: ffff8801ce47c6c0
exit_notify kernel/exit.c:733 [inline]
do_exit+0x11ef/0x2610 kernel/exit.c:887
do_group_exit+0x177/0x440 kernel/exit.c:970
get_signal+0x8b0/0x1980 kernel/signal.c:2513
do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816
exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4110ba
Code: Bad RIP value.
RSP: 002b:00007ffc3e985698 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000014df RCX: 00000000004110ba
RDX: 0000000040000000 RSI: 00007ffc3e9856a4 RDI: ffffffffffffffff
RBP: 0000000000930b28 R08: 00000000000014d8 R09: 0000000000fa9940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
R13: 0000000000412cc0 R14: 0000000000000000 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc4+ #104
Mem-Info:
active_anon:50613 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:18 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9270 slab_unreclaimable:1472370
mapped:41138 shmem:379 pagetables:597 bounce:0
free:13728 free_pcp:120 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:202452kB inactive_anon:1484kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:164552kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
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.119+0xb7/0x1bd mm/page_alloc.c:3426
2817 6321
6321
Node 0
DMA32 free:25140kB min:30048kB low:37560kB high:45072kB active_anon:188kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB 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:202264kB inactive_anon:1484kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5184kB pagetables:2388kB bounce:0kB free_pcp:480kB local_pcp:212kB free_cma:0kB
lowmem_reserve[]:
0
0 0
0
Node 0
DMA:
1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U)
2*64kB
(U)
1*128kB
(U)
1*256kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(U)
0*512kB
1*1024kB
(U)
1*2048kB
(M)
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
3*4kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UM)
3*8kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM)
3*16kB
(UM)
1*32kB
(M)
1*64kB
(M)
alloc_skb include/linux/skbuff.h:995 [inline]
nlmsg_new include/net/netlink.h:511 [inline]
__br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:377
5*128kB (UM)
3*256kB
(M)
4*512kB (M)
3*1024kB
(UM)
3*2048kB
(UM)
3*4096kB (M)
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:410
= 25140kB
Node 0
br_multicast_del_pg+0x3df/0x790 net/bridge/br_multicast.c:292
Normal: 894*4kB
(UME)
400*8kB (ME)
203*16kB
br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316
(ME)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
78*32kB (ME)
15*64kB
(M)
3*128kB (UM)
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
412 total pagecache pages
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
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
342745 pages reserved
0 pages cma reserved
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)
syz-executor5 cpuset=
/
mems_allowed=0
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: 5336 Comm: syz-executor5 Not tainted 4.19.0-rc4+ #104
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
ksoftirqd/1 cpuset=
/
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
mems_allowed=0
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:__raw_write_unlock_irq include/linux/rwlock_api_smp.h:267 [inline]
RIP: 0010:_raw_write_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:336
Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 8b 6e 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 c0 b1 95 f9 65 8b 05 49 32 42 78 85 c0 74 05 5b
RSP: 0000:ffff8801cbc7f350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000
RDX: 1ffffffff12a453f RSI: 0000000000000001 RDI: ffffffff895229f8
RBP: ffff8801cbc7f358 R08: ffff8801ce47c140 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d5331140
R13: ffff8801cbc7f490 R14: 0000000000000000 R15: ffff8801ce47c6c0
exit_notify kernel/exit.c:733 [inline]
do_exit+0x11ef/0x2610 kernel/exit.c:887
do_group_exit+0x177/0x440 kernel/exit.c:970
get_signal+0x8b0/0x1980 kernel/signal.c:2513
do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816
exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4110ba
Code: Bad RIP value.
RSP: 002b:00007ffc3e985698 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000014df RCX: 00000000004110ba
RDX: 0000000040000000 RSI: 00007ffc3e9856a4 RDI: ffffffffffffffff
RBP: 0000000000930b28 R08: 00000000000014d8 R09: 0000000000fa9940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
R13: 0000000000412cc0 R14: 0000000000000000 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc4+ #104
Mem-Info:
active_anon:50613 inactive_anon:371 isolated_anon:0
active_file:15 inactive_file:18 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9270 slab_unreclaimable:1472370
mapped:41138 shmem:379 pagetables:597 bounce:0
free:13728 free_pcp:120 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:202452kB inactive_anon:1484kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:164552kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
Node 0
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
lowmem_reserve[]:
0
2817
6321 6321
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
Node 0
DMA32 free:25140kB min:30048kB low:37560kB high:45072kB active_anon:188kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB 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:202264kB inactive_anon:1484kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5184kB pagetables:2388kB bounce:0kB free_pcp:480kB local_pcp:212kB 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(U)
1*256kB
(U)
0*512kB
1*1024kB
(U) 1*2048kB
(M)
3*4096kB
__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)
= 15908kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
Node 0
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
DMA32:
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
3*4kB
(UM)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*8kB
(UM)