On Thu, Apr 24, 2025 at 08:46:43AM -0400, Stephen Smalley wrote: > The vfs has long had a fallback to obtain the security.* xattrs from the > LSM when the filesystem does not implement its own listxattr, but > shmem/tmpfs and kernfs later gained their own xattr handlers to support > other xattrs. Unfortunately, as a side effect, tmpfs and kernfs-based > filesystems like sysfs no longer return the synthetic security.* xattr > names via listxattr unless they are explicitly set by userspace or > initially set upon inode creation after policy load. coreutils has > recently switched from unconditionally invoking getxattr for security.* > for ls -Z via libselinux to only doing so if listxattr returns the xattr > name, breaking ls -Z of such inodes. > > Before: > $ getfattr -m.* /run/initramfs > <no output> > $ getfattr -m.* /sys/kernel/fscaps > <no output> > > After: > $ getfattr -m.* /run/initramfs > security.selinux > $ getfattr -m.* /sys/kernel/fscaps > security.selinux > > Link: https://lore.kernel.org/selinux/CAFqZXNtF8wDyQajPCdGn=iOawX4y77ph0EcfcqcUUj+T87FKyA@xxxxxxxxxxxxxx/ > Link: https://lore.kernel.org/selinux/20250423175728.3185-2-stephen.smalley.work@xxxxxxxxx/ > Signed-off-by: Stephen Smalley <stephen.smalley.work@xxxxxxxxx> As this "changed" in the past, shouldn't it have a "Fixes:" tag? thanks, greg k-h
