Lennart Poettering
54a17e01de
Let's block access to the kernel keyring and a number of obsolete system calls. Also, update list of syscalls that may alter the system clock, and do raw IO access. Filter ptrace() if CAP_SYS_PTRACE is not passed to the container and acct() if CAP_SYS_PACCT is not passed. This also changes things so that kexec(), some profiling calls, the swap calls and quotactl() is never available to containers, not even if CAP_SYS_ADMIN is passed. After all we currently permit CAP_SYS_ADMIN to containers by default, but these calls should not be available, even then.
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