0-200001000fff: node ffff888041782000 depth 1 type 1 parent ffff88804174a006 contents: 0000000000000000 1FFFFFFFEFFF ffff88801d19fc80 1FFFFFFFFFFF ffff88801d19c140 20000012FFFF ffff88801d19c500 2000007FFFFF ffff8880116eec80 20000092FFFF ffff88801d19c280 200000A92FFF ffff8880116eea00 200000A95FFF 0000000000000000 200000A96FFF ffff88801d19ca00 200000FFFFFF ffff88801fbf8dc0 200001000FFF 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000009
    0-1fffffffefff: 0000000000000000
    1ffffffff000-1fffffffffff: ffff88801d19fc80
    200000000000-20000012ffff: ffff88801d19c140
    200000130000-2000007fffff: ffff88801d19c500
    200000800000-20000092ffff: ffff8880116eec80
    200000930000-200000a92fff: ffff88801d19c280
    200000a93000-200000a95fff: ffff8880116eea00
    200000a96000-200000a96fff: 0000000000000000
    200000a97000-200000ffffff: ffff88801d19ca00
    200001000000-200001000fff: ffff88801fbf8dc0
  200001001000-7f101b9f9fff: node ffff88804174a800 depth 1 type 1 parent ffff88804174a00e contents: 0000000000000000 55558C07AFFF ffff88801fbf8780 55558C09CFFF 0000000000000000 7F101A9F5FFF ffff88801fbf8000 7F101A9F6FFF ffff88801fbf8280 7F101B1F6FFF ffff88801fbf8500 7F101B1F7FFF ffff88801fbf8640 7F101B9F7FFF ffff88801fbf8a00 7F101B9F9FFF 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000007
    200001001000-55558c07afff: 0000000000000000
    55558c07b000-55558c09cfff: ffff88801fbf8780
    55558c09d000-7f101a9f5fff: 0000000000000000
    7f101a9f6000-7f101a9f6fff: ffff88801fbf8000
    7f101a9f7000-7f101b1f6fff: ffff88801fbf8280
    7f101b1f7000-7f101b1f7fff: ffff88801fbf8500
    7f101b1f8000-7f101b9f7fff: ffff88801fbf8640
    7f101b9f8000-7f101b9f9fff: ffff88801fbf8a00
  7f101b9fa000-7f101f2edfff: node ffff88803af35600 depth 1 type 1 parent ffff88804174a016 contents: ffff88801fbf8b40 7F101C1F9FFF ffff88801fbf8c80 7F101C1FBFFF ffff88801fbf88c0 7F101C9FBFFF ffff88801f799000 7F101C9FDFFF ffff88801f799140 7F101D1FDFFF ffff88801f799280 7F101D1FEFFF ffff88801f799dc0 7F101DFFEFFF ffff88801f799b40 7F101E3FFFFF ffff88801f799c80 7F101E448FFF ffff88801f799a00 7F101E5EAFFF ffff88801f799500 7F101E697FFF ffff88801f799640 7F101E77CFFF ffff88801f799780 7F101E785FFF 0000000000000000 7F101E78FFFF ffff88801f7998c0 7F101F2EDFFF 000000000000000e
    7f101b9fa000-7f101c1f9fff: ffff88801fbf8b40
    7f101c1fa000-7f101c1fbfff: ffff88801fbf8c80
    7f101c1fc000-7f101c9fbfff: ffff88801fbf88c0
    7f101c9fc000-7f101c9fdfff: ffff88801f799000
    7f101c9fe000-7f101d1fdfff: ffff88801f799140
    7f101d1fe000-7f101d1fefff: ffff88801f799280
    7f101d1ff000-7f101dffefff: ffff88801f799dc0
    7f101dfff000-7f101e3fffff: ffff88801f799b40
    7f101e400000-7f101e448fff: ffff88801f799c80
    7f101e449000-7f101e5eafff: ffff88801f799a00
    7f101e5eb000-7f101e697fff: ffff88801f799500
    7f101e698000-7f101e77cfff: ffff88801f799640
    7f101e77d000-7f101e785fff: ffff88801f799780
    7f101e786000-7f101e78ffff: 0000000000000000
    7f101e790000-7f101f2edfff: ffff88801f7998c0
  7f101f2ee000-ffffffffffffffff: node ffff888044d95a00 depth 1 type 1 parent ffff88804174a01e contents: 0000000000000000 7F101F492FFF ffff88801d19c780 7F101F493FFF ffff88801d19cdc0 7F101F4B3FFF ffff88801d19c8c0 7F101F4B4FFF ffff88801d19c3c0 7F101F4D4FFF ffff88801fc4e140 7F101F4D5FFF ffff88801fc4e500 7F101F4D9FFF ffff88801fc4ea00 7F101F4DBFFF ffff88801fc4e780 7F101F4DDFFF 0000000000000000 7FFE79A0CFFF ffff88801d19c640 7FFE79A2DFFF 0000000000000000 FFFFFFFFFFFFFFFF 0000000000000000 0 0000000000000000 0 0000000000000000 0 000000000000000b
    7f101f2ee000-7f101f492fff: 0000000000000000
    7f101f493000-7f101f493fff: ffff88801d19c780
    7f101f494000-7f101f4b3fff: ffff88801d19cdc0
    7f101f4b4000-7f101f4b4fff: ffff88801d19c8c0
    7f101f4b5000-7f101f4d4fff: ffff88801d19c3c0
    7f101f4d5000-7f101f4d5fff: ffff88801fc4e140
    7f101f4d6000-7f101f4d9fff: ffff88801fc4e500
    7f101f4da000-7f101f4dbfff: ffff88801fc4ea00
    7f101f4dc000-7f101f4ddfff: ffff88801fc4e780
    7f101f4de000-7ffe79a0cfff: 0000000000000000
    7ffe79a0d000-7ffe79a2dfff: ffff88801d19c640
    7ffe79a2e000-ffffffffffffffff: 0000000000000000
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5313 at mm/vma.c:768 vma_merge_existing_range+0x1257/0x15b0 mm/vma.c:768
Modules linked in:
CPU: 0 UID: 0 PID: 5313 Comm: syz.0.0 Not tainted 6.15.0-rc4-syzkaller-00011-gf15d97df5afa #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+0x1257/0x15b0 mm/vma.c:768
Code: 0b 90 e9 52 f0 ff ff e8 97 dd ab ff 90 0f 0b 90 e9 87 ef ff ff e8 89 dd ab ff 48 89 df 48 c7 c6 a0 62 76 8b e8 ea ff f2 ff 90 <0f> 0b 90 e9 ff ef ff ff e8 6c dd ab ff e9 04 f1 ff ff e8 62 dd ab
RSP: 0018:ffffc9000d41faf8 EFLAGS: 00010286
RAX: ffffffff8b4e55fd RBX: ffffc9000d41fc40 RCX: ffff888000688000
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff
RBP: 0000200000800000 R08: ffff88801fe23e93 R09: 1ffff11003fc47d2
R10: dffffc0000000000 R11: ffffed1003fc47d3 R12: ffff88801d19c500
R13: 1ffff92001a83f8c R14: 0000200000130000 R15: 0000200000130000
FS:  00007f101f4d46c0(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561912cbf1f8 CR3: 000000003ffcb000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vma_modify+0x76/0x460 mm/vma.c:1564
 vma_modify_flags+0x1e8/0x230 mm/vma.c:1605
 mlock_fixup+0x22a/0x360 mm/mlock.c:483
 apply_mlockall_flags+0x2f0/0x3c0 mm/mlock.c:736
 __ia32_sys_munlockall+0x10a/0x220 mm/mlock.c:782
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f101e58e969
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:00007f101f4d4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000098
RAX: ffffffffffffffda RBX: 00007f101e7b5fa0 RCX: 00007f101e58e969
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f101f4d4090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f101e7b5fa0 R15: 00007ffe79a2c0d8
 </TASK>