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036375522b
Userspace needs access to the signal that caused the coredump before the coredumping process has been reaped. Expose it as part of the coredump information in struct pidfd_info. After the process has been reaped that info is also available as part of PIDFD_INFO_EXIT's exit_code field. Link: https://patch.msgid.link/20251028-work-coredump-signal-v1-8-ca449b7b7aa0@kernel.org Reviewed-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com> Reviewed-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Christian Brauner <brauner@kernel.org>