7f4579a05000-7f4579a06fff: ffff88807ff3c280
    7f4579a07000-7ffe5ecb5fff: 0000000000000000
    7ffe5ecb6000-7ffe5ecd6fff: ffff88807ff3c640
    7ffe5ecd7000-ffffffffffffffff: 0000000000000000
------------[ cut here ]------------
WARNING: CPU: 0 PID: 9876 at mm/vma.c:759 vma_merge_existing_range+0x1390/0x16c0 mm/vma.c:759
Modules linked in:
CPU: 0 UID: 0 PID: 9876 Comm: syz.1.1097 Not tainted 6.14.0-syzkaller-12456-gacc4d5ff0b61 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:vma_merge_existing_range+0x1390/0x16c0 mm/vma.c:759
Code: e9 ff ef ff ff e8 e0 f0 a4 ff 90 0f 0b 90 e9 f3 ee ff ff e8 d2 f0 a4 ff 48 8b 7c 24 08 48 c7 c6 a0 64 56 8c e8 51 4e f1 ff 90 <0f> 0b 90 e9 68 ef ff ff e8 b3 f0 a4 ff e9 cc f0 ff ff e8 a9 f0 a4
RSP: 0018:ffffc90004987a60 EFLAGS: 00010286
RAX: ffffffff8c27eff5 RBX: 0000200000000000 RCX: ffff88802809da00
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff
RBP: ffffc90004987b90 R08: ffffffff8c27eef0 R09: 1ffffffff20bf80e
R10: dffffc0000000000 R11: fffffbfff20bf80f R12: 0000200000800000
R13: ffffc90004987c40 R14: ffffc90004987c60 R15: 0000200000000000
FS:  00007f45799dd6c0(0000) GS:ffff888124f99000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3d2539 CR3: 0000000049c56000 CR4: 00000000003526f0
DR0: 0000000000000007 DR1: 0000000000000002 DR2: 0000000000000008
DR3: 1000000100000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vma_modify+0x76/0x390 mm/vma.c:1531
 vma_modify_flags+0x3b2/0x430 mm/vma.c:1565
 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+0xf3/0x230 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4578b8d169
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:00007f45799dd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000098
RAX: ffffffffffffffda RBX: 00007f4578da6080 RCX: 00007f4578b8d169
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f45799dd090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000001 R14: 00007f4578da6080 R15: 00007f4578ecfa28
 </TASK>