2000002af000-20000092ffff: ffff88803dac83c0
    200000930000-2000009fcfff: ffff88801288e280
    2000009fd000-200000ceafff: ffff88803dac8140
    200000ceb000-200000cecfff: 0000000000000000
    200000ced000-200000dc0fff: ffff88803dac8dc0
    200000dc1000-200000dc3fff: ffff88803dac8b40
    200000dc4000-200000fc6fff: ffff88803dac8a00
    200000fc7000-200000fc8fff: ffff88803dac8c80
    200000fc9000-200000ffcfff: ffff88803dac88c0
    200000ffd000-200000ffffff: ffff88803c8b5140
    200001000000-200001000fff: ffff888043fda8c0
  200001001000-7ff71f7f9fff: node ffff88804325f800 depth 1 type 1 parent ffff88801208c00e contents: 0000000000000000 555587D94FFF ffff888043fda780 555587DB6FFF 0000000000000000 7FF71E7F5FFF ffff888043fda640 7FF71E7F6FFF ffff888043fda500 7FF71EFF6FFF ffff888043fda3c0 7FF71EFF7FFF ffff888043fda280 7FF71F7F7FFF ffff888043fda140 7FF71F7F9FFF 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000000 0 0000000000000007
    200001001000-555587d94fff: 0000000000000000
    555587d95000-555587db6fff: ffff888043fda780
    555587db7000-7ff71e7f5fff: 0000000000000000
    7ff71e7f6000-7ff71e7f6fff: ffff888043fda640
    7ff71e7f7000-7ff71eff6fff: ffff888043fda500
    7ff71eff7000-7ff71eff7fff: ffff888043fda3c0
    7ff71eff8000-7ff71f7f7fff: ffff888043fda280
    7ff71f7f8000-7ff71f7f9fff: ffff888043fda140
  7ff71f7fa000-7ff7230edfff: node ffff888043c22a00 depth 1 type 1 parent ffff88801208c016 contents: ffff888043fda000 7FF71FFF9FFF ffff888043083000 7FF71FFFBFFF ffff888043083280 7FF7207FBFFF ffff888043083140 7FF7207FDFFF ffff888043083dc0 7FF720FFDFFF ffff888043083c80 7FF720FFEFFF ffff888043083b40 7FF721DFEFFF ffff888043083a00 7FF7221FFFFF ffff8880430838c0 7FF722248FFF ffff888043083780 7FF7223EAFFF ffff888043083640 7FF722497FFF ffff888043083500 7FF72257CFFF ffff8880430833c0 7FF722585FFF 0000000000000000 7FF72258FFFF ffff88803c8b5780 7FF7230EDFFF 000000000000000e
    7ff71f7fa000-7ff71fff9fff: ffff888043fda000
    7ff71fffa000-7ff71fffbfff: ffff888043083000
    7ff71fffc000-7ff7207fbfff: ffff888043083280
    7ff7207fc000-7ff7207fdfff: ffff888043083140
    7ff7207fe000-7ff720ffdfff: ffff888043083dc0
    7ff720ffe000-7ff720ffefff: ffff888043083c80
    7ff720fff000-7ff721dfefff: ffff888043083b40
    7ff721dff000-7ff7221fffff: ffff888043083a00
    7ff722200000-7ff722248fff: ffff8880430838c0
    7ff722249000-7ff7223eafff: ffff888043083780
    7ff7223eb000-7ff722497fff: ffff888043083640
    7ff722498000-7ff72257cfff: ffff888043083500
    7ff72257d000-7ff722585fff: ffff8880430833c0
    7ff722586000-7ff72258ffff: 0000000000000000
    7ff722590000-7ff7230edfff: ffff88803c8b5780
  7ff7230ee000-ffffffffffffffff: node ffff888000c9e000 depth 1 type 1 parent ffff88801208c01e contents: 0000000000000000 7FF723165FFF ffff88803c8b58c0 7FF723166FFF ffff88803c8b5b40 7FF723186FFF ffff88803c8b5640 7FF723187FFF ffff88803c8b5dc0 7FF7231A7FFF ffff88803c8b5500 7FF7231A8FFF ffff88803c8b5280 7FF7231ACFFF ffff88803c8b5000 7FF7231AEFFF ffff88803c8b5c80 7FF7231B0FFF 0000000000000000 7FFFB34B5FFF ffff88803c8b5a00 7FFFB34D6FFF 0000000000000000 FFFFFFFFFFFFFFFF 0000000000000000 0 0000000000000000 0 0000000000000000 0 000000000000000b
    7ff7230ee000-7ff723165fff: 0000000000000000
    7ff723166000-7ff723166fff: ffff88803c8b58c0
    7ff723167000-7ff723186fff: ffff88803c8b5b40
    7ff723187000-7ff723187fff: ffff88803c8b5640
    7ff723188000-7ff7231a7fff: ffff88803c8b5dc0
    7ff7231a8000-7ff7231a8fff: ffff88803c8b5500
    7ff7231a9000-7ff7231acfff: ffff88803c8b5280
    7ff7231ad000-7ff7231aefff: ffff88803c8b5000
    7ff7231af000-7ff7231b0fff: ffff88803c8b5c80
    7ff7231b1000-7fffb34b5fff: 0000000000000000
    7fffb34b6000-7fffb34d6fff: ffff88803c8b5a00
    7fffb34d7000-ffffffffffffffff: 0000000000000000
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5327 at mm/vma.c:768 vma_merge_existing_range+0x13c6/0x1750 mm/vma.c:768
Modules linked in:
CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.15.0-rc3-syzkaller-00008-ga33b5a08cbbd #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 49 dc a4 ff 90 0f 0b 90 e9 c8 ee ff ff e8 3b dc a4 ff 48 8b 3c 24 48 c7 c6 40 65 56 8c e8 0b 4d f1 ff 90 <0f> 0b 90 e9 4d ef ff ff e8 1d dc a4 ff e9 a8 f0 ff ff e8 13 dc a4
RSP: 0018:ffffc9000d3bfa60 EFLAGS: 00010286
RAX: ffffffff8c27cff5 RBX: 0000200000130000 RCX: ffff888000b42440
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff
RBP: ffffc9000d3bfb90 R08: ffffffff8c27cef0 R09: 1ffff11003f847d2
R10: dffffc0000000000 R11: ffffed1003f847d3 R12: 0000200000130000
R13: ffffffff93686020 R14: 1ffff92001a77f8c R15: 00002000002ab000
FS:  00007ff7231a76c0(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556de41e0208 CR3: 0000000043f18000 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: 0033:0x7ff72238e169
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:00007ff7231a7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000098
RAX: ffffffffffffffda RBX: 00007ff7225b5fa0 RCX: 00007ff72238e169
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ff7231a7090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007ff7225b5fa0 R15: 00007fffb34d46a8
 </TASK>