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-----BEGIN PGP SIGNATURE----- iQJIBAABCgAyFiEES0KozwfymdVUl37v6iDy2pc3iXMFAmrSkXAUHHBhdWxAcGF1 bC1tb29yZS5jb20ACgkQ6iDy2pc3iXOXTQ/+LcghZOG72DOeZwDkXIzdD+Ex5Xkf kV3EiZ+l6LCy2sGePC5PdHJaX1wQE5N0bHCHh8TMIsfE5b0nbdKJsDiFJVkayTJz CE4SpAm8Tup+CBDkwMJ1x3aGYgh4RxbgTR9klsrH2zsehI80sGLE3SYp9+lO3BFp Eyf+INgF2GrcBNH3ozQBtME5b0086UC/uWif1vQ3HK4RU6QxWlQg5VB68+XJv9GY /wZyJ4bIet8QQ1S2boMQN/RGQHih1qYs8hOeuL+R0Inh6pk59ucgM3qfj9OILWbD x4u9ptO7ICvoKlkrzWIfvt+ydM5q9mHozN1qi2i+dy4IiDyBicZ75YCFWIeSOld+ UGL73NB08g/KT1fOo7WE3lfm/ZAMoR8F0IUScDvMeVLv06NU/rCccPKl+z8bYBuo vSbctpHsnSPxpZew1U1FiTavwTUZVTHgPnuGrM28wfV1qsj+y9jebM35GNETolDi 6fcsVh6Fw/8qCG/V1TVQzahqI0xuA2/BDQE7vFKO87Mmu7EJqNr1J3lgFdmMk7tD cZqHhHhSF7MgQz8qkuCB8t2edukXV1Fyzm8tUmA9MeurfQHrhLkwZuRPzKmEz0RB HssTyKhmo9cwgLgRFzspnoDIOXcSYqxUNSmz4BOVb9yUMi/d5bRhiZ6JFym19rRr 9IjSU2ud7x3fXqw= =7Dpp -----END PGP SIGNATURE----- Merge tag 'lsm-pr-20261016' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm Pull lsm updates from Paul Moore: - Add LSM hooks, object blobs, and audit records for namespaces Add the necessary bits to enable LSMs to enforce access controls on the management of various kernel namespaces. While this pull request does not contain any in-tree users of these hooks, the Landlock pull request for Linux v7.4 will include Landlock support and the next merge window will likely include SELinux support as well. Considering the development behind these hooks, I expect that BPF LSM developers will also be making use of the namespace hooks, if they haven't already. - Update the inode LSM hooks to include mount idmaps This allows LSMs to incorporate the mount ID mapping into their access control decisions. While there are no current in-tree users of this, it was requested by those developing BPF LSM programs and this pull request includes a BPF LSM selftest. - Preserve the full 32-bit ioctl command in LSM audit records Previously only the low 16 bits were logged, ignoring the direction and size information in the upper 16 bits. The pull request also includes a Landlock based selftest to verify the full 32-bit ioctl value. - Ensure we don't call security_backing_file_free() multiple times Thankfully we don't have a problem with the current code base, but we want to fix this behavior now before it becomes a problem. - Clarify that only the current task may access current->cred The current code is a bit misleading around safely accessing the cred field in a task struct. Through comment and code corrections, this pull request clarifies that only the task itself may access its cred field. - Add SLAB_NO_MERGE to the credential object cache Harden the credential cache by ensuring credential objects live on dedicated slab pages. - Make use of safe memory zero'ing in the LSM Rust bindings - Update the docs for the current behavior of /sys/kernel/security/lsm - Update the docs for CONFIG_LSM and the "lsm=" command line option - Remove unnecessary code * tag 'lsm-pr-20261016' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm: lsm: remove redundant NULL check in security_init() selftests/landlock: Check full ioctl commands in audit records lsm: Preserve full ioctl commands in audit records doc: fix LSM ordering description for /sys/kernel/security/lsm doc: describe CONFIG_LSM and lsm= as the selection mechanism selftests/bpf: verify mount idmaps reach inode hooks lsm: expose mount idmaps to inode hooks rust: lsm: replace `core::mem::zeroed` with `pin_init::zeroed` cred: prevent slab cache merging for cred_jar lsm: don't call security_backing_file_free() multiple times lsm: delete duplicate assignment in lsm_prepare() lsm: update the BUILD_BUG_ON() in audit_log_lsm_data() lsm: add LSM_AUDIT_DATA_NS for namespace audit records lsm: add LSM blob and hooks for namespaces ns: Free anonymous mount namespaces via ns_common_free() cred: clarify that task_struct::cred is only for the current task |
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| ioctl.c | ||
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