BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 26394 Comm: syz-executor.4 Not tainted 5.8.0-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+0x18f/0x20d lib/dump_stack.c:118
 add_chain_cache kernel/locking/lockdep.c:3063 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3162 [inline]
 validate_chain kernel/locking/lockdep.c:3183 [inline]
 __lock_acquire.cold+0x11/0x3f8 kernel/locking/lockdep.c:4380
 lock_acquire+0x1f1/0xad0 kernel/locking/lockdep.c:4959
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:159
 stack_depot_save+0x1c6/0x400 lib/stackdepot.c:284
 save_stack+0x32/0x40 mm/kasan/common.c:50
 set_track mm/kasan/common.c:56 [inline]
 __kasan_kmalloc.constprop.0+0xc2/0xd0 mm/kasan/common.c:494
 slab_post_alloc_hook mm/slab.h:586 [inline]
 slab_alloc mm/slab.c:3320 [inline]
 kmem_cache_alloc+0x12c/0x3b0 mm/slab.c:3484
 kmem_cache_zalloc include/linux/slab.h:659 [inline]
 fq_classify net/sched/sch_fq.c:339 [inline]
 fq_enqueue+0x62b/0x2100 net/sched/sch_fq.c:473
 __dev_xmit_skb net/core/dev.c:3789 [inline]
 __dev_queue_xmit+0x1878/0x2d60 net/core/dev.c:4100
 neigh_resolve_output net/core/neighbour.c:1489 [inline]
 neigh_resolve_output+0x3fe/0x6a0 net/core/neighbour.c:1469
 neigh_output include/net/neighbour.h:509 [inline]
 ip6_finish_output2+0x8b6/0x17b0 net/ipv6/ip6_output.c:117
 __ip6_finish_output net/ipv6/ip6_output.c:143 [inline]
 __ip6_finish_output+0x447/0xab0 net/ipv6/ip6_output.c:128
 ip6_finish_output+0x34/0x1f0 net/ipv6/ip6_output.c:153
 NF_HOOK_COND include/linux/netfilter.h:296 [inline]
 ip6_output+0x1db/0x520 net/ipv6/ip6_output.c:176
 dst_output include/net/dst.h:443 [inline]
 ip6_local_out+0xaf/0x1a0 net/ipv6/output_core.c:179
 ip6_send_skb+0xb7/0x340 net/ipv6/ip6_output.c:1865
 ip6_push_pending_frames+0xbd/0xe0 net/ipv6/ip6_output.c:1885
 icmpv6_push_pending_frames+0x294/0x470 net/ipv6/icmp.c:304
 icmp6_send+0x1cec/0x2660 net/ipv6/icmp.c:617
 icmpv6_send+0xde/0x210 net/ipv6/ip6_icmp.c:43
 ip6_fragment+0xcbd/0x2490 net/ipv6/ip6_output.c:936
 __ip6_finish_output net/ipv6/ip6_output.c:141 [inline]
 __ip6_finish_output+0x578/0xab0 net/ipv6/ip6_output.c:128
 ip6_finish_output+0x34/0x1f0 net/ipv6/ip6_output.c:153
 NF_HOOK_COND include/linux/netfilter.h:296 [inline]
 ip6_output+0x1db/0x520 net/ipv6/ip6_output.c:176
 dst_output include/net/dst.h:443 [inline]
 ip6_local_out+0xaf/0x1a0 net/ipv6/output_core.c:179
 ip6_send_skb+0xb7/0x340 net/ipv6/ip6_output.c:1865
 udp_v6_send_skb+0x7c2/0x15d0 net/ipv6/udp.c:1175
 udp_v6_push_pending_frames+0x24e/0x360 net/ipv6/udp.c:1208
 udp_lib_setsockopt+0x74a/0xa10 net/ipv4/udp.c:2558
 udpv6_setsockopt net/ipv6/udp.c:1565 [inline]
 udpv6_setsockopt+0x90/0xa0 net/ipv6/udp.c:1561
 __sys_setsockopt+0x24a/0x480 net/socket.c:2127
 __do_sys_setsockopt net/socket.c:2143 [inline]
 __se_sys_setsockopt net/socket.c:2140 [inline]
 __x64_sys_setsockopt+0xba/0x150 net/socket.c:2140
 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45c1d9
Code: Bad RIP value.
RSP: 002b:00007efcfa869c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 000000000002cfc0 RCX: 000000000045c1d9
RDX: 0000000000000001 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 000000000078bf50 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020000000 R11: 0000000000000246 R12: 000000000078bf0c
R13: 00007ffee6491b9f R14: 00007efcfa86a9c0 R15: 000000000078bf0c