nsfs: raise SB_I_NODEV and SB_I_NOEXEC

There's zero need for nsfs to allow device nodes or execution.

Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-5-2e6f823ebdc0@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Christian Brauner 2025-10-29 13:20:18 +01:00
commit 4af033dad6
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