7fcd248c8000-7fcd249acfff: ffff88810fadbf00
    7fcd249ad000-7fcd249b5fff: ffff88810fadb820
    7fcd249b6000-7fcd249b9fff: 0000000000000000
    7fcd249ba000-7fcd249bbfff: ffff88810fadb280
    7fcd249bc000-7fcd249bdfff: ffff88810fadb320
    7fcd249be000-7fcd249bffff: ffff88810fadb780
    7fcd249c0000-7fcd2551dfff: ffff88810fadbe60
    7fcd2551e000-7ffc516a1fff: 0000000000000000
    7ffc516a2000-7ffc516c2fff: ffff88810fadbb40
    7ffc516c3000-ffffffffffffffff: 0000000000000000
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2896 at mm/vma.c:734 vma_merge_existing_range+0x625/0x690 mm/vma.c:734
Modules linked in:
CPU: 0 UID: 0 PID: 2896 Comm: syz.3.16 Not tainted 6.14.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:vma_merge_existing_range+0x625/0x690 mm/vma.c:734
Code: 6c 62 43 82 48 89 1c 24 4c 89 fb 41 89 ef 4c 89 ed 49 89 c5 e8 dc 4e fc ff 4c 89 e8 49 89 ed 44 89 fd 49 89 df 48 8b 1c 24 90 <0f> 0b 90 e9 92 fa ff ff 90 0f 0b 90 e9 14 fc ff ff 90 0f 0b 90 e9
RSP: 0018:ffffc90002277cf0 EFLAGS: 00010286
RAX: 0000200000000000 RBX: ffffc90002277d90 RCX: ffffffffffffffff
RDX: 0000000000000002 RSI: 00000000ffffdfff RDI: 00000000ffffffff
RBP: 0000000000000001 R08: 0000000000001fff R09: ffffffff82695020
R10: 0000000000005ffd R11: 00000000ffffdfff R12: 0000200000800000
R13: ffff88810fadb3c0 R14: 0000200000800001 R15: ffff88810fadb3c0
FS:  00007fcd2422f6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c45ffff CR3: 000000010f6e0000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 vma_modify+0x1b/0xc0 mm/vma.c:1517
 vma_modify_flags+0x93/0xc0 mm/vma.c:1551
 mlock_fixup+0xa3/0x130 mm/mlock.c:481
 apply_mlockall_flags+0x15b/0x190 mm/mlock.c:734
 __ia32_sys_munlockall+0x43/0xf0 mm/mlock.c:780
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xe2/0x210 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcd247be969
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:00007fcd2422f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000098
RAX: ffffffffffffffda RBX: 00007fcd249e5fa0 RCX: 00007fcd247be969
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fcd2422f090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007fcd249e5fa0 R15: 00007ffc516c0dd8
 </TASK>