CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
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: 0-...!: (1 GPs behind) idle=cfa/1/0x4000000000000004 softirq=17075/17076 fqs=2
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
rcu: (t=10630 jiffies g=21721 q=29)
rcu: rcu_preempt kthread starved for 10407 jiffies! g21721 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt R running task 22568 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2831 [inline]
__schedule+0x8cf/0x21d0 kernel/sched/core.c:3472
schedule+0xfe/0x460 kernel/sched/core.c:3516
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934
__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+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 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]
nlmsg_new include/net/netlink.h:654 [inline]
__br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
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
kthread+0x35a/0x440 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
NMI backtrace for cpu 0
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x308/0xb7e kernel/softirq.c:292
run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x440 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
Mem-Info:
active_anon:31844 inactive_anon:1934 isolated_anon:0
active_file:133 inactive_file:117 isolated_file:0
unevictable:0 dirty:3 writeback:0 unstable:0
slab_reclaimable:8490 slab_unreclaimable:1475443
mapped:49346 shmem:1990 pagetables:666 bounce:0
free:13727 free_pcp:164 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
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
Call Trace:
lowmem_reserve[]: 0 2818 6321 6321
Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]: 0 0 3503 3503
Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB 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
nmi_cpu_backtrace.cold.2+0x5c/0xa1 lib/nmi_backtrace.c:101
Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
nmi_trigger_cpumask_backtrace+0x1e8/0x22a lib/nmi_backtrace.c:62
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_dump_cpu_stacks+0x16f/0x1bc kernel/rcu/tree.c:1195
2220 total pagecache pages
print_cpu_stall.cold.67+0x1f3/0x3c7 kernel/rcu/tree.c:1334
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
342854 pages reserved
0 pages cma reserved
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/1 cpuset=/ mems_allowed=0
check_cpu_stall kernel/rcu/tree.c:1408 [inline]
rcu_pending kernel/rcu/tree.c:2961 [inline]
rcu_check_callbacks+0xf3b/0x13f0 kernel/rcu/tree.c:2506
update_process_times+0x2d/0x70 kernel/time/timer.c:1636
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
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1034 [inline]
smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1059
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [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 35 0d 3e ff e9 28 ff ff ff e8 ec 42 c3 ff 48 83 3d 74 8b 8f 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 1a c2
RSP: 0000:ffff8881dae07450 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff110373c5921
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282
RBP: ffff8881dae074c0 R08: ffff8881b9e2c908 R09: 0000000000000002
R10: 0000000000000000 R11: ffff8881b9e2c040 R12: ffff8881d9bee600
R13: ffff8881d9bee600 R14: 0000000000000000 R15: 0000000000000282
__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:3840
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+0x308/0xb7e kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [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 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2
RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
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+0x244/0x39d lib/dump_stack.c:113
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor2 cpuset=syz2 mems_allowed=0
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__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+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 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]
nlmsg_new include/net/netlink.h:654 [inline]
__br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
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+0x308/0xb7e kernel/softirq.c:292
run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x440 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Mem-Info:
CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:31844 inactive_anon:1934 isolated_anon:0
active_file:133 inactive_file:117 isolated_file:0
unevictable:0 dirty:3 writeback:0 unstable:0
slab_reclaimable:8490 slab_unreclaimable:1475443
mapped:49346 shmem:1990 pagetables:666 bounce:0
free:13727 free_pcp:164 free_cma:0
Call Trace:
Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
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
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]: 0 2818 6321 6321
Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 3503 3503
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB 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 (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
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
2220 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
342854 pages reserved
0 pages cma reserved
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/1 cpuset=/ mems_allowed=0
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__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+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 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:3840
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+0x308/0xb7e kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [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 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2
RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
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+0x244/0x39d lib/dump_stack.c:113
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
syz-executor2 cpuset=syz2 mems_allowed=0
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__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+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 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]
nlmsg_new include/net/netlink.h:654 [inline]
__br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
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+0x308/0xb7e kernel/softirq.c:292
run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x440 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
Mem-Info:
active_anon:31844 inactive_anon:1934 isolated_anon:0
active_file:133 inactive_file:117 isolated_file:0
unevictable:0 dirty:3 writeback:0 unstable:0
slab_reclaimable:8490 slab_unreclaimable:1475443
mapped:49346 shmem:1990 pagetables:666 bounce:0
free:13727 free_pcp:164 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
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
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]: 0 2818 6321 6321
Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 3503 3503
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB 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 (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
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
2220 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
342854 pages reserved
0 pages cma reserved
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/1 cpuset=/ mems_allowed=0
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__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+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 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]
nlmsg_new include/net/netlink.h:654 [inline]
__br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
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+0x308/0xb7e kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [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 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2
RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
syz-executor2: 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
syz-executor2 cpuset=syz2 mems_allowed=0
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__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+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 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]
nlmsg_new include/net/netlink.h:654 [inline]
__br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
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+0x308/0xb7e kernel/softirq.c:292
run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x440 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
Mem-Info:
active_anon:31844 inactive_anon:1934 isolated_anon:0
active_file:133 inactive_file:117 isolated_file:0
unevictable:0 dirty:3 writeback:0 unstable:0
slab_reclaimable:8490 slab_unreclaimable:1475443
mapped:49346 shmem:1990 pagetables:666 bounce:0
free:13727 free_pcp:164 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
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 2818 6321 6321
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB 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:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
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 (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
2220 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
342854 pages reserved
0 pages cma reserved
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/1 cpuset=/ mems_allowed=0
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__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+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 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]
nlmsg_new include/net/netlink.h:654 [inline]
__br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
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+0x308/0xb7e kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [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 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2
RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
syz-executor2: 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
syz-executor2 cpuset=syz2 mems_allowed=0
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__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+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 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:3840
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+0x308/0xb7e kernel/softirq.c:292
run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x440 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
Mem-Info:
active_anon:31844 inactive_anon:1934 isolated_anon:0
active_file:133 inactive_file:117 isolated_file:0
unevictable:0 dirty:3 writeback:0 unstable:0
slab_reclaimable:8490 slab_unreclaimable:1475443
mapped:49346 shmem:1990 pagetables:666 bounce:0
free:13727 free_pcp:164 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
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 2818 6321 6321
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB 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:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
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 (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
2220 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
342854 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
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__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+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 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]
nlmsg_new include/net/netlink.h:654 [inline]
__br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
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+0x308/0xb7e kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [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 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2
RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
syz-executor2: 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
syz-executor2 cpuset=syz2 mems_allowed=0
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__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+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 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:3840
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+0x308/0xb7e kernel/softirq.c:292
run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x440 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
Mem-Info:
active_anon:31844 inactive_anon:1934 isolated_anon:0
active_file:133 inactive_file:117 isolated_file:0
unevictable:0 dirty:3 writeback:0 unstable:0
slab_reclaimable:8490 slab_unreclaimable:1475443
mapped:49346 shmem:1990 pagetables:666 bounce:0
free:13727 free_pcp:164 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
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
Call Trace:
lowmem_reserve[]: 0 2818 6321 6321
Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]: 0 0 3503 3503
Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
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 (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
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
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
2220 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
342854 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb