On Thu, Jun 19, 2025 at 12:38:25PM +0200, Christian Brauner wrote: > On Thu, Jun 19, 2025 at 11:13:49AM +0200, Vlastimil Babka wrote: > > On 6/19/25 09:31, Shivank Garg wrote: > > > Export anon_inode_make_secure_inode() to allow KVM guest_memfd to create > > > anonymous inodes with proper security context. This replaces the current > > > pattern of calling alloc_anon_inode() followed by > > > inode_init_security_anon() for creating security context manually. > > > > > > This change also fixes a security regression in secretmem where the > > > S_PRIVATE flag was not cleared after alloc_anon_inode(), causing > > > LSM/SELinux checks to be bypassed for secretmem file descriptors. > > > > > > As guest_memfd currently resides in the KVM module, we need to export this > > > > Could we use the new EXPORT_SYMBOL_GPL_FOR_MODULES() thingy to make this > > explicit for KVM? > > Oh? Enlighten me about that, if you have a second, please.