net/core: BUG in copy_net_ns()

net/core: BUG in copy_net_ns() (net_namespace.c) Hello, I've got the following error report while fuzzing the kernel with syzkaller. On commit 1bdbe227492075d058e37cb3d400e6468d0095b5 Syzkaller hit 'WARNING in __alloc_pages_slowpath' bug. syz-executor561 (17453) used greatest stack depth: 2505

Encrypted Message

binNgjZ2AfInN.bin Description: PGP/MIME version identification encrypted.asc Description: OpenPGP encrypted message

Encrypted Message

binEdyZ3JhedZ.bin Description: PGP/MIME version identification encrypted.asc Description: OpenPGP encrypted message

Encrypted Message

binZQ58TGMoIf.bin Description: PGP/MIME version identification encrypted.asc Description: OpenPGP encrypted message