7fe819d8c000-7fe819d8cfff: ffff88823be0a000
    7fe819d8d000-7fe819dacfff: ffff88802f3ef5d0
    7fe819dad000-7fe819daefff: ffff88802f3efaa8
    7fe819daf000-7fe819db0fff: ffff88802f3ef1f0
    7fe819db1000-7fe819db2fff: ffff88802f3ef0f8
    7fe819db3000-7ffe7341ffff: 0000000000000000
    7ffe73420000-7ffe73440fff: ffff88802f3ef9b0
    7ffe73441000-ffffffffffffffff: 0000000000000000
------------[ cut here ]------------
WARNING: CPU: 1 PID: 31950 at mm/vma.c:734 vma_merge_existing_range+0x86f/0x2070 mm/vma.c:734
Modules linked in:
CPU: 1 UID: 0 PID: 31950 Comm: syz.5.6026 Not tainted 6.14.0-rc6-syzkaller-00016-g0fed89a961ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:vma_merge_existing_range+0x86f/0x2070 mm/vma.c:734
Code: f6 4c 89 ff 48 8d 54 24 78 e8 2d c2 ff ff 89 c5 e9 f3 05 00 00 e8 71 38 ac ff 48 c7 c6 e0 6d 7b 8b 48 89 df e8 12 86 f3 ff 90 <0f> 0b 90 e9 08 fa ff ff e8 54 38 ac ff 48 8b 54 24 18 48 b8 00 00
RSP: 0018:ffffc90003737b20 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffc90003737c80 RCX: ffffffff8b4e5503
RDX: ffff88802bc74880 RSI: ffffffff820db87e RDI: 0000000000000006
RBP: 0000400000800000 R08: 0000000000000006 R09: ffffffffffffffff
R10: ffffffffffffffff R11: 0000000000000001 R12: 0000000000000001
R13: ffffc90003737ca0 R14: ffff88802f3ef8b8 R15: 0000400000000000
FS:  00007fe819dac6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558f2b55c8 CR3: 00000000638f6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 vma_modify.constprop.0+0x87/0x410 mm/vma.c:1517
 vma_modify_flags+0x231/0x2d0 mm/vma.c:1551
 mlock_fixup+0x282/0xfc0 mm/mlock.c:481
 apply_mlockall_flags+0x2d5/0x480 mm/mlock.c:734
 __do_sys_munlockall+0xc5/0x280 mm/mlock.c:780
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe818f8d169
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:00007fe819dac038 EFLAGS: 00000246 ORIG_RAX: 0000000000000098
RAX: ffffffffffffffda RBX: 00007fe8191a5fa0 RCX: 00007fe818f8d169
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fe819dac090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007fe8191a5fa0 R15: 00007ffe7343ed48
 </TASK>