ffff9e882000-ffffeb6aefff: 0000000000000000
    ffffeb6af000-ffffeb6cffff: ffff0000d63e2640
    ffffeb6d0000-ffffffffffffffff: 0000000000000000
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7979 at mm/vma.c:768 vma_merge_existing_range+0x14a8/0x1964 mm/vma.c:768
Modules linked in:
CPU: 0 UID: 0 PID: 7979 Comm: syz.3.304 Not tainted 6.15.0-rc4-syzkaller-ge0f4c8dd9d2d #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : vma_merge_existing_range+0x14a8/0x1964 mm/vma.c:768
lr : vma_merge_existing_range+0x14a8/0x1964 mm/vma.c:768
sp : ffff80009d357910
x29: ffff80009d357990 x28: dfff800000000000 x27: 0000000000000001
x26: 0000000020ffc000 x25: ffff80009d357a80 x24: 0000000020ffc000
x23: 1ffff00013a6af50 x22: ffff0000d01e6a00 x21: 0000000020ffe000
x20: ffff0000d01e6a00 x19: ffff80009d357a60 x18: 1fffe0003670d276
x17: 0000000000000000 x16: ffff80008ad0f308 x15: ffff700011e6ff40
x14: 1ffff00011e6ff40 x13: 0000000000000004 x12: ffffffffffffffff
x11: ffff700011e6ff40 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000ebd03d00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80009d356ef8 x4 : ffff80008f3f4fa0 x3 : ffff80008053fd64
x2 : 0000000000000000 x1 : ffffffffffffffff x0 : ffffffffffffffff
Call trace:
 vma_merge_existing_range+0x14a8/0x1964 mm/vma.c:768 (P)
 vma_modify+0x7c/0x424 mm/vma.c:1564
 vma_modify_flags+0x18c/0x1dc mm/vma.c:1605
 mlock_fixup+0x18c/0x2c4 mm/mlock.c:483
 apply_mlockall_flags+0x290/0x344 mm/mlock.c:736
 __arm64_sys_munlockall+0x11c/0x238 mm/mlock.c:782
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 3854
hardirqs last  enabled at (3853): [<ffff80008ada379c>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline]
hardirqs last  enabled at (3853): [<ffff80008ada379c>] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:95
hardirqs last disabled at (3854): [<ffff80008ada1368>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (3852): [<ffff8000803c671c>] softirq_handle_end kernel/softirq.c:425 [inline]
softirqs last  enabled at (3852): [<ffff8000803c671c>] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607
softirqs last disabled at (3847): [<ffff800080020efc>] __do_softirq+0x14/0x20 kernel/softirq.c:613
---[ end trace 0000000000000000 ]---