0-200001000fff: node ffff888011c62000 depth 1 type 1 parent ffff888000b83c06 contents: 0000000000000000 1FFFFFFFEFFF ffff888011d39780 1FFFFFFFFFFF ffff88801ae9ca00 20000012FFFF ffff88801f436c80 2000007FFFFF ffff88801211d500 20000092FFFF ffff88801f436b40 200000A92FFF ffff888011f67a00 200000A95FFF 0000000000000000 200000A96FFF ffff88801ae9c780 200000FFFFFF ffff888011d393c0 200001000FFF 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000009
    0-1fffffffefff: 0000000000000000
    1ffffffff000-1fffffffffff: ffff888011d39780
    200000000000-20000012ffff: ffff88801ae9ca00
    200000130000-2000007fffff: ffff88801f436c80
    200000800000-20000092ffff: ffff88801211d500
    200000930000-200000a92fff: ffff88801f436b40
    200000a93000-200000a95fff: ffff888011f67a00
    200000a96000-200000a96fff: 0000000000000000
    200000a97000-200000ffffff: ffff88801ae9c780
    200001000000-200001000fff: ffff888011d393c0
  200001001000-7fbea3df9fff: node ffff888000b83800 depth 1 type 1 parent ffff888000b83c0e contents: 0000000000000000 55558FC6FFFF ffff888044108780 55558FC91FFF 0000000000000000 7FBEA2DF5FFF ffff8880441088c0 7FBEA2DF6FFF ffff888044108dc0 7FBEA35F6FFF ffff888044108b40 7FBEA35F7FFF ffff888044108c80 7FBEA3DF7FFF ffff888044108a00 7FBEA3DF9FFF 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000007
    200001001000-55558fc6ffff: 0000000000000000
    55558fc70000-55558fc91fff: ffff888044108780
    55558fc92000-7fbea2df5fff: 0000000000000000
    7fbea2df6000-7fbea2df6fff: ffff8880441088c0
    7fbea2df7000-7fbea35f6fff: ffff888044108dc0
    7fbea35f7000-7fbea35f7fff: ffff888044108b40
    7fbea35f8000-7fbea3df7fff: ffff888044108c80
    7fbea3df8000-7fbea3df9fff: ffff888044108a00
  7fbea3dfa000-7fbea76edfff: node ffff888033a01800 depth 1 type 1 parent ffff888000b83c16 contents: ffff888044108640 7FBEA45F9FFF ffff88801ae7bdc0 7FBEA45FBFFF ffff88801ae7b640 7FBEA4DFBFFF ffff8880126e28c0 7FBEA4DFDFFF ffff8880126e2dc0 7FBEA55FDFFF ffff8880126e23c0 7FBEA55FEFFF ffff88801d181c80 7FBEA63FEFFF ffff88801d181a00 7FBEA67FFFFF ffff88801f435a00 7FBEA6848FFF ffff88801f435000 7FBEA69EAFFF ffff88801f0dfb40 7FBEA6A97FFF ffff88801f0df8c0 7FBEA6B7CFFF ffff88801f0df000 7FBEA6B85FFF 0000000000000000 7FBEA6B8FFFF ffff88801f0df780 7FBEA76EDFFF 000000000000000e
    7fbea3dfa000-7fbea45f9fff: ffff888044108640
    7fbea45fa000-7fbea45fbfff: ffff88801ae7bdc0
    7fbea45fc000-7fbea4dfbfff: ffff88801ae7b640
    7fbea4dfc000-7fbea4dfdfff: ffff8880126e28c0
    7fbea4dfe000-7fbea55fdfff: ffff8880126e2dc0
    7fbea55fe000-7fbea55fefff: ffff8880126e23c0
    7fbea55ff000-7fbea63fefff: ffff88801d181c80
    7fbea63ff000-7fbea67fffff: ffff88801d181a00
    7fbea6800000-7fbea6848fff: ffff88801f435a00
    7fbea6849000-7fbea69eafff: ffff88801f435000
    7fbea69eb000-7fbea6a97fff: ffff88801f0dfb40
    7fbea6a98000-7fbea6b7cfff: ffff88801f0df8c0
    7fbea6b7d000-7fbea6b85fff: ffff88801f0df000
    7fbea6b86000-7fbea6b8ffff: 0000000000000000
    7fbea6b90000-7fbea76edfff: ffff88801f0df780
  7fbea76ee000-ffffffffffffffff: node ffff888033a01e00 depth 1 type 1 parent ffff888000b83c1e contents: 0000000000000000 7FBEA783FFFF ffff888011d36780 7FBEA7840FFF ffff888011d36c80 7FBEA7860FFF ffff88801afe0b40 7FBEA7861FFF ffff888011d36140 7FBEA7881FFF ffff88801f0df280 7FBEA7882FFF ffff88801f0dfdc0 7FBEA7886FFF ffff888011c8a140 7FBEA7888FFF ffff888011c8ab40 7FBEA788AFFF 0000000000000000 7FFCA9E8EFFF ffff8880121e2a00 7FFCA9EAFFFF 0000000000000000 FFFFFFFFFFFFFFFF 0000000000000000 0 0000000000000000 0 0000000000000000 0 000000000000000b
    7fbea76ee000-7fbea783ffff: 0000000000000000
    7fbea7840000-7fbea7840fff: ffff888011d36780
    7fbea7841000-7fbea7860fff: ffff888011d36c80
    7fbea7861000-7fbea7861fff: ffff88801afe0b40
    7fbea7862000-7fbea7881fff: ffff888011d36140
    7fbea7882000-7fbea7882fff: ffff88801f0df280
    7fbea7883000-7fbea7886fff: ffff88801f0dfdc0
    7fbea7887000-7fbea7888fff: ffff888011c8a140
    7fbea7889000-7fbea788afff: ffff888011c8ab40
    7fbea788b000-7ffca9e8efff: 0000000000000000
    7ffca9e8f000-7ffca9eaffff: ffff8880121e2a00
    7ffca9eb0000-ffffffffffffffff: 0000000000000000
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5330 at mm/vma.c:768 vma_merge_existing_range+0x13c6/0x1750 mm/vma.c:768
Modules linked in:
CPU: 0 UID: 0 PID: 5330 Comm: syz.0.0 Not tainted 6.15.0-rc2-syzkaller-00471-g119009db2674 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:vma_merge_existing_range+0x13c6/0x1750 mm/vma.c:768
Code: 90 e9 e0 ef ff ff e8 69 d9 a4 ff 90 0f 0b 90 e9 c8 ee ff ff e8 5b d9 a4 ff 48 8b 3c 24 48 c7 c6 60 64 56 8c e8 9b 4b f1 ff 90 <0f> 0b 90 e9 4d ef ff ff e8 3d d9 a4 ff e9 a8 f0 ff ff e8 33 d9 a4
RSP: 0018:ffffc9000d347a60 EFLAGS: 00010286
RAX: ffffffff8c27cff5 RBX: 0000200000130000 RCX: ffff888000abc880
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff
RBP: ffffc9000d347b90 R08: ffffffff8c27cef0 R09: 1ffff11003f847d2
R10: dffffc0000000000 R11: ffffed1003f847d3 R12: 0000200000130000
R13: ffffffff93686020 R14: 1ffff92001a68f8c R15: 0000200000800000
FS:  00007fbea78816c0(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005579970de1c8 CR3: 0000000041444000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vma_modify+0x76/0x450 mm/vma.c:1564
 vma_modify_flags+0x3b2/0x430 mm/vma.c:1605
 mlock_fixup+0x21a/0x350 mm/mlock.c:483
 apply_mlockall_flags+0x309/0x410 mm/mlock.c:736
 __do_sys_munlockall+0x10a/0x220 mm/mlock.c:782
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbea698e169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbea7881038 EFLAGS: 00000246 ORIG_RAX: 0000000000000098
RAX: ffffffffffffffda RBX: 00007fbea6bb5fa0 RCX: 00007fbea698e169
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fbea7881090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007fbea6bb5fa0 R15: 00007ffca9eaed78
 </TASK>