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6952a4f646
We recently regressed (cf. [1] and its corresponding fix in [2]) returning ENOMEM when trying to create a process in a pid namespace whose init process/child subreaper has already died. This has caused confusion at least once before that (cf. [3]). Let's add a simple regression test to catch this in the future. [1]:49cb2fc42c("fork: extend clone3() to support setting a PID") [2]:b26ebfe12f("pid: Fix error return value in some cases") [3]:35f71bc0a0("fork: report pid reservation failure properly") Cc: Corey Minyard <cminyard@mvista.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Adrian Reber <areber@redhat.com> Cc: Dmitry Safonov <0x7f454c46@gmail.com> Cc: Andrei Vagin <avagin@gmail.com> Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
3 lines
33 B
Plaintext
3 lines
33 B
Plaintext
CONFIG_PID_NS=y
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CONFIG_USER_NS=y
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