kernel BUG at mm/vmalloc.c:3206!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 6646 Comm: syz.0.219 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__get_vm_area_node+0x2d2/0x330 mm/vmalloc.c:3206
Code: 03 80 3c 11 00 75 5c 48 89 43 08 e9 4b ff ff ff e8 43 a8 a4 ff 48 89 df e8 db 98 05 00 31 db e9 37 ff ff ff e8 2f a8 a4 ff 90 <0f> 0b e8 77 6b 11 00 e9 9e fe ff ff e8 6d 6b 11 00 e9 71 fe ff ff
RSP: 0018:ffffc90006e2e9e8 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000000200 RCX: ffffc90026ad3000
RDX: 0000000000080000 RSI: ffffffff82633fb1 RDI: ffff8880287d2500
RBP: 000000000000000c R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000022
R13: 0000000000002080 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88809727d000(0063) knlGS:00000000f53c4b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f72eec50 CR3: 000000005981b000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 __vmalloc_node_range_noprof+0x228/0x1630 mm/vmalloc.c:4024
 __kvmalloc_node_noprof+0x3de/0xa00 mm/slub.c:6860
 bucket_table_alloc.isra.0+0x88/0x460 lib/rhashtable.c:186
 rhashtable_insert_rehash lib/rhashtable.c:493 [inline]
 rhashtable_try_insert lib/rhashtable.c:661 [inline]
 rhashtable_insert_slow+0x16ab/0x1de0 lib/rhashtable.c:674
 __rhashtable_insert_fast include/linux/rhashtable.h:788 [inline]
 rhashtable_lookup_insert_fast include/linux/rhashtable.h:965 [inline]
 fdb_create+0x13cf/0x1920 net/bridge/br_fdb.c:415
 fdb_add_local net/bridge/br_fdb.c:450 [inline]
 fdb_add_local+0x155/0x1c0 net/bridge/br_fdb.c:430
 br_fdb_add_local+0x39/0x60 net/bridge/br_fdb.c:960
 __vlan_add+0x17f3/0x2e10 net/bridge/br_vlan.c:340
 nbp_vlan_add+0x258/0x3e0 net/bridge/br_vlan.c:1348
 br_vlan_info+0x159/0x3d0 net/bridge/br_netlink.c:705
 br_process_vlan_info+0x404/0x8f0 net/bridge/br_netlink.c:768
 br_afspec+0x422/0x650 net/bridge/br_netlink.c:836
 br_setlink+0x376/0x630 net/bridge/br_netlink.c:1135
 rtnl_bridge_setlink+0x56d/0x740 net/core/rtnetlink.c:5571
 rtnetlink_rcv_msg+0x3c9/0xe90 net/core/rtnetlink.c:7004
 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2550
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:787 [inline]
 __sock_sendmsg net/socket.c:802 [inline]
 ____sys_sendmsg+0x9e1/0xb70 net/socket.c:2698
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2752
 __sys_sendmsg+0x170/0x220 net/socket.c:2784
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xe7/0x950 arch/x86/entry/syscall_32.c:307
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f43fcc
Code: d2 74 05 c1 e8 0c 89 02 8b 5d fc 31 c0 c9 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 2e 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 58 b8
RSP: 002b:00000000f53c450c EFLAGS: 00000292 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 000000000000000a RCX: 0000000080000040
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__get_vm_area_node+0x2d2/0x330 mm/vmalloc.c:3206
Code: 03 80 3c 11 00 75 5c 48 89 43 08 e9 4b ff ff ff e8 43 a8 a4 ff 48 89 df e8 db 98 05 00 31 db e9 37 ff ff ff e8 2f a8 a4 ff 90 <0f> 0b e8 77 6b 11 00 e9 9e fe ff ff e8 6d 6b 11 00 e9 71 fe ff ff
RSP: 0018:ffffc90006e2e9e8 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000000200 RCX: ffffc90026ad3000
RDX: 0000000000080000 RSI: ffffffff82633fb1 RDI: ffff8880287d2500
RBP: 000000000000000c R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000022
R13: 0000000000002080 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88809727d000(0063) knlGS:00000000f53c4b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f72eec50 CR3: 000000005981b000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	d2 74 05 c1          	shlb   %cl,-0x3f(%rbp,%rax,1)
   4:	e8 0c 89 02 8b       	call   0x8b028915
   9:	5d                   	pop    %rbp
   a:	fc                   	cld
   b:	31 c0                	xor    %eax,%eax
   d:	c9                   	leave
   e:	c3                   	ret
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	0f 1f 00             	nopl   (%rax)
  21:	51                   	push   %rcx
  22:	52                   	push   %rdx
  23:	55                   	push   %rbp
  24:	89 e5                	mov    %esp,%ebp
  26:	0f 34                	sysenter
  28:	cd 80                	int    $0x80
* 2a:	5d                   	pop    %rbp <-- trapping instruction
  2b:	5a                   	pop    %rdx
  2c:	59                   	pop    %rcx
  2d:	c3                   	ret
  2e:	90                   	nop
  2f:	2e 8d b4 26 00 00 00 	cs lea 0x0(%rsi,%riz,1),%esi
  36:	00
  37:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  3e:	58                   	pop    %rax
  3f:	b8                   	.byte 0xb8