BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 PID: 7663 Comm: syz-executor.0 Not tainted 5.6.0-rc5-syzkaller #0
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+0x188/0x20d lib/dump_stack.c:118
 add_chain_cache kernel/locking/lockdep.c:2840 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:2914 [inline]
 validate_chain kernel/locking/lockdep.c:2935 [inline]
 __lock_acquire.cold+0x263/0x288 kernel/locking/lockdep.c:3954
 lock_acquire+0x197/0x420 kernel/locking/lockdep.c:4484
 seqcount_lockdep_reader_access include/linux/seqlock.h:81 [inline]
 read_seqcount_begin include/linux/seqlock.h:164 [inline]
 read_seqbegin include/linux/seqlock.h:433 [inline]
 zone_span_seqbegin include/linux/memory_hotplug.h:75 [inline]
 page_outside_zone_boundaries mm/page_alloc.c:569 [inline]
 bad_range+0xc0/0x3c0 mm/page_alloc.c:598
 rmqueue mm/page_alloc.c:3302 [inline]
 get_page_from_freelist+0x2adb/0x3ee0 mm/page_alloc.c:3681
 __alloc_pages_nodemask+0x2a5/0x820 mm/page_alloc.c:4731
 alloc_pages_current+0xff/0x200 mm/mempolicy.c:2211
 alloc_pages include/linux/gfp.h:532 [inline]
 stack_depot_save+0x3c3/0x440 lib/stackdepot.c:267
 save_stack+0x4c/0x80 mm/kasan/common.c:74
 set_track mm/kasan/common.c:80 [inline]
 __kasan_kmalloc mm/kasan/common.c:515 [inline]
 __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:488
 slab_post_alloc_hook mm/slab.h:584 [inline]
 slab_alloc mm/slab.c:3320 [inline]
 kmem_cache_alloc+0x11b/0x730 mm/slab.c:3484
 skb_clone+0x14d/0x3c0 net/core/skbuff.c:1447
 dev_queue_xmit_nit+0x398/0xa10 net/core/dev.c:2244
 xmit_one net/core/dev.c:3473 [inline]
 dev_hard_start_xmit+0xbb/0x9b0 net/core/dev.c:3493
 sch_direct_xmit+0x345/0xc20 net/sched/sch_generic.c:313
 qdisc_restart net/sched/sch_generic.c:376 [inline]
 __qdisc_run+0x4d1/0x17b0 net/sched/sch_generic.c:384
 qdisc_run include/net/pkt_sched.h:126 [inline]
 qdisc_run include/net/pkt_sched.h:118 [inline]
 __dev_xmit_skb net/core/dev.c:3668 [inline]
 __dev_queue_xmit+0x2115/0x3090 net/core/dev.c:4021
 neigh_hh_output include/net/neighbour.h:499 [inline]
 neigh_output include/net/neighbour.h:508 [inline]
 ip6_finish_output2+0xfb5/0x25b0 net/ipv6/ip6_output.c:117
 __ip6_finish_output+0x442/0xab0 net/ipv6/ip6_output.c:143
 ip6_finish_output+0x34/0x1f0 net/ipv6/ip6_output.c:153
 NF_HOOK_COND include/linux/netfilter.h:296 [inline]
 ip6_output+0x239/0x810 net/ipv6/ip6_output.c:176
 dst_output include/net/dst.h:436 [inline]
 NF_HOOK include/linux/netfilter.h:307 [inline]
 ndisc_send_skb+0xf40/0x14b0 net/ipv6/ndisc.c:505
 ndisc_send_ns+0x3b0/0x860 net/ipv6/ndisc.c:647
 ndisc_solicit+0x2ed/0x470 net/ipv6/ndisc.c:739
 neigh_probe+0xcc/0x110 net/core/neighbour.c:1009
 __neigh_event_send+0x3d3/0x16d0 net/core/neighbour.c:1169
 neigh_event_send include/net/neighbour.h:444 [inline]
 neigh_resolve_output+0x590/0x930 net/core/neighbour.c:1471
 neigh_output include/net/neighbour.h:510 [inline]
 ip6_finish_output2+0x1091/0x25b0 net/ipv6/ip6_output.c:117
 __ip6_finish_output+0x442/0xab0 net/ipv6/ip6_output.c:143
 ip6_finish_output+0x34/0x1f0 net/ipv6/ip6_output.c:153
 NF_HOOK_COND include/linux/netfilter.h:296 [inline]
 ip6_output+0x239/0x810 net/ipv6/ip6_output.c:176
 dst_output include/net/dst.h:436 [inline]
 ip6_local_out+0xaf/0x1a0 net/ipv6/output_core.c:179
 ip6tunnel_xmit include/net/ip6_tunnel.h:160 [inline]
 udp_tunnel6_xmit_skb+0x6f4/0xcd0 net/ipv6/ip6_udp_tunnel.c:114
 geneve6_xmit_skb drivers/net/geneve.c:973 [inline]
 geneve_xmit+0x759/0x2d70 drivers/net/geneve.c:1001
 __netdev_start_xmit include/linux/netdevice.h:4524 [inline]
 netdev_start_xmit include/linux/netdevice.h:4538 [inline]
 xmit_one net/core/dev.c:3477 [inline]
 dev_hard_start_xmit+0x1a4/0x9b0 net/core/dev.c:3493
 __dev_queue_xmit+0x25e1/0x3090 net/core/dev.c:4052
 neigh_hh_output include/net/neighbour.h:499 [inline]
 neigh_output include/net/neighbour.h:508 [inline]
 ip_finish_output2+0x17b7/0x2610 net/ipv4/ip_output.c:228
 ip_do_fragment+0x9ba/0x1c80 net/ipv4/ip_output.c:905
 ip_fragment.constprop.0+0x171/0x240 net/ipv4/ip_output.c:573
 __ip_finish_output net/ipv4/ip_output.c:304 [inline]
 __ip_finish_output+0x4b5/0xbd0 net/ipv4/ip_output.c:288
 ip_finish_output+0x34/0x1f0 net/ipv4/ip_output.c:316
 NF_HOOK_COND include/linux/netfilter.h:296 [inline]
 ip_output+0x1fe/0x620 net/ipv4/ip_output.c:430
 dst_output include/net/dst.h:436 [inline]
 ip_local_out+0xaf/0x1a0 net/ipv4/ip_output.c:125
 iptunnel_xmit+0x619/0x9d0 net/ipv4/ip_tunnel_core.c:81
 ip_tunnel_xmit+0xf80/0x2a65 net/ipv4/ip_tunnel.c:818
 ipgre_xmit+0x4d7/0xa60 net/ipv4/ip_gre.c:632
 __netdev_start_xmit include/linux/netdevice.h:4524 [inline]
 netdev_start_xmit include/linux/netdevice.h:4538 [inline]
 xmit_one net/core/dev.c:3477 [inline]
 dev_hard_start_xmit+0x1a4/0x9b0 net/core/dev.c:3493
 __dev_queue_xmit+0x25e1/0x3090 net/core/dev.c:4052
 __bpf_tx_skb net/core/filter.c:2061 [inline]
 __bpf_redirect_common net/core/filter.c:2100 [inline]
 __bpf_redirect+0x769/0xc60 net/core/filter.c:2107
 ____bpf_clone_redirect net/core/filter.c:2140 [inline]
 bpf_clone_redirect+0x2b7/0x430 net/core/filter.c:2112
 bpf_prog_e2f29814702bf05a+0x5c/0x864
 bpf_dispatcher_nop_func include/linux/bpf.h:544 [inline]
 bpf_test_run+0x3c4/0xc70 net/bpf/test_run.c:49
 bpf_prog_test_run_skb+0xafc/0x1520 net/bpf/test_run.c:438
 bpf_prog_test_run kernel/bpf/syscall.c:2766 [inline]
 __do_sys_bpf+0xac0/0x4040 kernel/bpf/syscall.c:3615
 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c849
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f11c3c5ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f11c3c5f6d4 RCX: 000000000045c849
RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000059 R14: 00000000004c2f70 R15: 000000000076bf0c
syz-executor.0 (7663) used greatest stack depth: 18896 bytes left