7f38b3790000-7f38b37affff: ffff88806a8bf640
    7f38b37b0000-7f38b37b3fff: ffff88805a6bc140
    7f38b37b4000-7f38b37b5fff: ffff88805a6bc500
    7f38b37b6000-7f38b37b7fff: ffff88806a8bf8c0
    7f38b37b8000-7ffdbee0bfff: 0000000000000000
    7ffdbee0c000-7ffdbee2cfff: ffff88806a8bf140
    7ffdbee2d000-ffffffffffffffff: 0000000000000000
------------[ cut here ]------------
WARNING: CPU: 1 PID: 17124 at mm/vma.c:768 vma_merge_existing_range+0x1257/0x15b0 mm/vma.c:768
Modules linked in:
CPU: 1 UID: 0 PID: 17124 Comm: syz.4.3035 Not tainted 6.15.0-rc4-syzkaller-00147-gebd297a2affa #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:vma_merge_existing_range+0x1257/0x15b0 mm/vma.c:768
Code: 0b 90 e9 52 f0 ff ff e8 b7 02 ae ff 90 0f 0b 90 e9 87 ef ff ff e8 a9 02 ae ff 48 89 df 48 c7 c6 c0 4f 76 8b e8 1a 20 f3 ff 90 <0f> 0b 90 e9 ff ef ff ff e8 8c 02 ae ff e9 04 f1 ff ff e8 82 02 ae
RSP: 0018:ffffc900039cfaf8 EFLAGS: 00010286
RAX: ffffffff8b4785fd RBX: ffffc900039cfc40 RCX: ffff88801c3d8000
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff
RBP: 0000200000800000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bba4b4 R12: ffff888058c5eb40
R13: 1ffff92000739f8c R14: 0000200000000000 R15: 0000200000000000
FS:  00007f38b378e6c0(0000) GS:ffff888126200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3f24f6 CR3: 0000000059a3e000 CR4: 00000000003526f0
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: 0033:0x7f38b298e969
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:00007f38b378e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000098
RAX: ffffffffffffffda RBX: 00007f38b2bb6080 RCX: 00007f38b298e969
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f38b378e090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f38b2bb6080 R15: 00007ffdbee2b7c8
 </TASK>