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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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575a0ae974
As suggested by Andrew Morton in [1] add selftests for the new sys_pidfd_send_signal() syscall: /* test_pidfd_send_signal_syscall_support */ Test whether the pidfd_send_signal() syscall is supported and the tests can be run or need to be skipped. /* test_pidfd_send_signal_simple_success */ Test whether sending a signal via a pidfd works. /* test_pidfd_send_signal_exited_fail */ Verify that sending a signal to an already exited process fails with ESRCH. /* test_pidfd_send_signal_recycled_pid_fail */ Verify that a recycled pid cannot be signaled via a pidfd referring to an already exited process that had the same pid (cf. [2], [3]). [1]: https://lore.kernel.org/lkml/20181228152012.dbf0508c2508138efc5f2bbe@linux-foundation.org/ [2]: https://lore.kernel.org/lkml/20181230210245.GA30252@mail.hallyn.com/ [3]: https://lore.kernel.org/lkml/20181230232711.7aayb7vnhogbv4co@brauner.io/ Cc: Arnd Bergmann <arnd@arndb.de> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Kees Cook <keescook@chromium.org> Cc: Jann Horn <jannh@google.com> Cc: Andy Lutomirsky <luto@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Aleksa Sarai <cyphar@cyphar.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Florian Weimer <fweimer@redhat.com> Signed-off-by: Christian Brauner <christian@brauner.io> Reviewed-by: Tycho Andersen <tycho@tycho.ws> Acked-by: Serge Hallyn <serge@hallyn.com> |
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