------------[ cut here ]------------
WARNING: CPU: 1 PID: 29105 at mm/vma.c:1240 vms_complete_munmap_vmas+0x544/0x7c0 mm/vma.c:1239
Modules linked in:
CPU: 1 UID: 0 PID: 29105 Comm: syz.2.8674 Not tainted 6.15.0-rc5-syzkaller-00277-g345030986df8 #0 PREEMPT 
Hardware name: linux,dummy-virt (DT)
pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : vms_complete_munmap_vmas+0x544/0x7c0 mm/vma.c:1240
lr : vms_complete_munmap_vmas+0x178/0x7c0 mm/vma.c:1233
sp : ffff80008f407740
x29: ffff80008f407740 x28: ffff000017f8ccc0 x27: 0000000000002131
x26: 1fffe00002ff19de x25: 0000000000000004 x24: 1ffff00011e80f25
x23: 00000000000002e2 x22: ffff80008f40792c x21: ffff80008f407870
x20: ffff000017f8cc80 x19: ffff80008f4078e0 x18: 1ffff00011e80ef0
x17: 1ffff00011e80f64 x16: 0000000000000000 x15: 0000000000000004
x14: 00000000f3000000 x13: 0000000000000000 x12: ffff600002ff1a74
x11: 1fffe00002ff1a73 x10: ffff600002ff1a73 x9 : ffff000017f8cef0
x8 : ffff80008f407948 x7 : ffff000017f8cef8 x6 : ffff80008f407950
x5 : ffff000017f8d39c x4 : ffff600002ff1a74 x3 : 1ffff00011e80f29
x2 : 1fffe00002ff19df x1 : 1ffff00011e80f2a x0 : 0000000000000021
Call trace:
 vms_complete_munmap_vmas+0x544/0x7c0 mm/vma.c:1239 (P)
 do_vmi_align_munmap+0x258/0x28c mm/vma.c:1492
 do_vmi_munmap+0xdc/0x288 mm/vma.c:1540
 do_munmap+0xc8/0x108 mm/mmap.c:1072
 mremap_to mm/mremap.c:1403 [inline]
 do_mremap mm/mremap.c:1728 [inline]
 __do_sys_mremap+0x6e0/0xdf0 mm/mremap.c:1785
 __se_sys_mremap mm/mremap.c:1753 [inline]
 __arm64_sys_mremap+0xa4/0x170 mm/mremap.c:1753
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:49
 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x40/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x50/0x180 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x10c/0x138 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 2394
hardirqs last  enabled at (2393): [<ffff80008039a240>] __call_rcu_common.constprop.0+0x308/0x908 kernel/rcu/tree.c:3107
hardirqs last disabled at (2394): [<ffff80008545dec0>] el1_dbg+0x24/0x9c arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (2368): [<ffff80008001c2ac>] fpsimd_restore_current_state+0x44/0xe4 arch/arm64/kernel/fpsimd.c:1781
softirqs last disabled at (2366): [<ffff80008001c27c>] alternative_has_cap_likely arch/arm64/include/asm/alternative-macros.h:232 [inline]
softirqs last disabled at (2366): [<ffff80008001c27c>] system_supports_fpsimd arch/arm64/include/asm/cpufeature.h:720 [inline]
softirqs last disabled at (2366): [<ffff80008001c27c>] fpsimd_restore_current_state+0x14/0xe4 arch/arm64/kernel/fpsimd.c:1774
---[ end trace 0000000000000000 ]---