On Fri, May 16, 2025 at 1:26 PM Christian Brauner <brauner@xxxxxxxxxx> wrote: > Extend the PIDFD_INFO_COREDUMP ioctl() with the new PIDFD_INFO_COREDUMP > mask flag. This adds the @coredump_mask field to struct pidfd_info. > > When a task coredumps the kernel will provide the following information > to userspace in @coredump_mask: > > * PIDFD_COREDUMPED is raised if the task did actually coredump. > * PIDFD_COREDUMP_SKIP is raised if the task skipped coredumping (e.g., > undumpable). > * PIDFD_COREDUMP_USER is raised if this is a regular coredump and > doesn't need special care by the coredump server. > * PIDFD_COREDUMP_ROOT is raised if the generated coredump should be > treated as sensitive and the coredump server should restrict to the > generated coredump to sufficiently privileged users. > > The kernel guarantees that by the time the connection is made the all > PIDFD_INFO_COREDUMP info is available. > > Acked-by: Luca Boccassi <luca.boccassi@xxxxxxxxx> > Reviewed-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@xxxxxxxxxxxxx> > Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx> Reviewed-by: Jann Horn <jannh@xxxxxxxxxx> Thanks for clarifying the comments!
