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authorMickaël Salaün <mic@linux.microsoft.com>2021-04-22 17:41:16 +0200
committerJames Morris <jamorris@linux.microsoft.com>2021-04-22 12:22:11 -0700
commit83e804f0bfee2247b1c0aa64845c81a38562da7a (patch)
tree18a47335116fa823fc6a29cb67c92e412064b583 /arch/alpha/kernel/syscalls/syscall.tbl
parentcb2c7d1a1776057c9a1f48ed1250d85e94d4850d (diff)
fs,security: Add sb_delete hook
The sb_delete security hook is called when shutting down a superblock, which may be useful to release kernel objects tied to the superblock's lifetime (e.g. inodes). This new hook is needed by Landlock to release (ephemerally) tagged struct inodes. This comes from the unprivileged nature of Landlock described in the next commit. Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: James Morris <jmorris@namei.org> Signed-off-by: Mickaël Salaün <mic@linux.microsoft.com> Reviewed-by: Jann Horn <jannh@google.com> Acked-by: Serge Hallyn <serge@hallyn.com> Reviewed-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20210422154123.13086-7-mic@digikod.net Signed-off-by: James Morris <jamorris@linux.microsoft.com>
Diffstat (limited to 'arch/alpha/kernel/syscalls/syscall.tbl')
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