ffffb2225000-ffffc5b67fff: 0000000000000000
    ffffc5b68000-ffffc5b88fff: ffff0000d5362000
    ffffc5b89000-ffffffffffffffff: 0000000000000000
------------[ cut here ]------------
WARNING: CPU: 0 PID: 10600 at mm/vma.c:768 vma_merge_existing_range+0x14a8/0x1964 mm/vma.c:768
Modules linked in:
CPU: 0 UID: 0 PID: 10600 Comm: syz.2.894 Not tainted 6.15.0-rc5-syzkaller-gc32f8dc5aaf9 #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 : ffff80009cf27910
x29: ffff80009cf27990 x28: dfff800000000000 x27: 0000000000000001
x26: 0000000020000000 x25: ffff80009cf27a80 x24: 0000000020000000
x23: 1ffff000139e4f50 x22: ffff0000f73693c0 x21: 0000000020800000
x20: ffff0000f73693c0 x19: ffff80009cf27a60 x18: 1fffe0003386ce76
x17: 0000000000000000 x16: ffff80008ad1d588 x15: ffff700011e720b4
x14: 1ffff00011e720b4 x13: 0000000000000004 x12: ffffffffffffffff
x11: ffff700011e720b4 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000cf96bd00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80009cf26ef8 x4 : ffff80008f405b40 x3 : ffff8000805456dc
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+0x58/0x17c arch/arm64/kernel/entry-common.c:767
 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 1728
hardirqs last  enabled at (1727): [<ffff80008054cc08>] __up_console_sem kernel/printk/printk.c:344 [inline]
hardirqs last  enabled at (1727): [<ffff80008054cc08>] __console_unlock+0x70/0xc4 kernel/printk/printk.c:2885
hardirqs last disabled at (1728): [<ffff80008adaf5e0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511
softirqs last  enabled at (8): [<ffff8000801fbf10>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (6): [<ffff8000801fbedc>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---