------------[ cut here ]------------
WARNING: CPU: 1 PID: 6999 at mm/vma.c:1240 vms_complete_munmap_vmas+0x694/0x7e4 mm/vma.c:1240
Modules linked in:
CPU: 1 UID: 0 PID: 6999 Comm: syz.4.155 Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : vms_complete_munmap_vmas+0x694/0x7e4 mm/vma.c:1240
lr : vms_complete_munmap_vmas+0x694/0x7e4 mm/vma.c:1240
sp : ffff8000a1be7510
x29: ffff8000a1be7560 x28: ffff0000c71f4400 x27: 0000000000000600
x26: ffff0000c71f4678 x25: ffff8000a1be77a0 x24: ffff0000c71f4670
x23: ffff8000a1be7798 x22: 0000000000000021 x21: 0000000000006337
x20: 1ffff0001437cef0 x19: dfff800000000000 x18: 00000000ffffffff
x17: ffff800080a5ed84 x16: ffff80008adbe9e4 x15: 0000000000000001
x14: 0000000000000002 x13: 0000000000000003 x12: 0000000000ff0100
x11: 0000000000080000 x10: 000000000000565d x9 : ffff8000a50fd000
x8 : 000000000000565e x7 : ffff80008022b53c x6 : ffff80008022b738
x5 : ffff0000f07735a8 x4 : ffff8000a1be6bc8 x3 : 0000000000000000
x2 : 0000000000000001 x1 : 0000000000000021 x0 : 0000000000000600
Call trace:
 vms_complete_munmap_vmas+0x694/0x7e4 mm/vma.c:1240 (P)
 vms_abort_munmap_vmas mm/vma.c:2272 [inline]
 __mmap_region mm/vma.c:2544 [inline]
 mmap_region+0x674/0x1a24 mm/vma.c:2597
 do_mmap+0x968/0xf78 mm/mmap.c:561
 vm_mmap_pgoff+0x2b8/0x43c mm/util.c:579
 ksys_mmap_pgoff+0x400/0x5b8 mm/mmap.c:607
 __do_sys_mmap arch/arm64/kernel/sys.c:28 [inline]
 __se_sys_mmap arch/arm64/kernel/sys.c:21 [inline]
 __arm64_sys_mmap+0xf8/0x110 arch/arm64/kernel/sys.c:21
 __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: 912
hardirqs last  enabled at (911): [<ffff8000805a9be0>] __call_rcu_common kernel/rcu/tree.c:3107 [inline]
hardirqs last  enabled at (911): [<ffff8000805a9be0>] call_rcu+0x650/0x96c kernel/rcu/tree.c:3202
hardirqs last disabled at (912): [<ffff80008adb9eb8>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511
softirqs last  enabled at (772): [<ffff8000801fbf10>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (770): [<ffff8000801fbedc>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---