syzbot

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WARNING: CPU: 0 PID: 6486 at mm/vma.c:1240 vms_complete_munmap_vmas+0x694/0x7e4 mm/vma.c:1240
Modules linked in:
CPU: 0 UID: 0 PID: 6486 Comm: syz-executor697 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 : ffff8000a45f7510
x29: ffff8000a45f7560 x28: ffff0000c99d0000 x27: 0000000000000336
x26: ffff0000c99d0278 x25: ffff8000a45f77a0 x24: ffff0000c99d0270
x23: ffff8000a45f7798 x22: 0000000000000021 x21: 00000000000010e1
x20: 1ffff000148beef0 x19: dfff800000000000 x18: 00000000ffffffff
x17: ffff0001fea8a870 x16: ffff80008adbeaf4 x15: 0000000000000001
x14: 1ffff00011e63d53 x13: 0000000000000000 x12: 0000000000000000
x11: ffff700011e63d54 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000dd5b9e80 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 00000000000000ff x4 : ffff0000db715a00 x3 : ffff8000809799f4
x2 : 0000000000000001 x1 : 0000000000000021 x0 : 0000000000000336
Call trace:
 vms_complete_munmap_vmas+0x694/0x7e4 mm/vma.c:1240 (P)
 __mmap_complete mm/vma.c:2469 [inline]
 __mmap_region mm/vma.c:2535 [inline]
 mmap_region+0x10b4/0x1a24 mm/vma.c:2597
 do_mmap+0x968/0xf78 mm/mmap.c:561
 vm_mmap_pgoff+0x2b8/0x43c mm/util.c:579
 ksys_mmap_pgoff+0xd0/0x5b8 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: 434
hardirqs last  enabled at (433): [<ffff8000805a9be0>] __call_rcu_common kernel/rcu/tree.c:3107 [inline]
hardirqs last  enabled at (433): [<ffff8000805a9be0>] call_rcu+0x650/0x96c kernel/rcu/tree.c:3202
hardirqs last disabled at (434): [<ffff80008adb9eb8>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511
softirqs last  enabled at (360): [<ffff8000803cf71c>] softirq_handle_end kernel/softirq.c:425 [inline]
softirqs last  enabled at (360): [<ffff8000803cf71c>] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607
softirqs last disabled at (355): [<ffff800080020efc>] __do_softirq+0x14/0x20 kernel/softirq.c:613
---[ end trace 0000000000000000 ]---