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2025-01-04selftests: coredump: Add stackdump testNam Cao
Add a test which checks that the kstkesp field in /proc/pid/stat can be read for all threads of a coredumping process. For full details including the motivation for this test and how it works, see the README file added by this commit. Reviewed-by: John Ogness <john.ogness@linutronix.de> Signed-off-by: Nam Cao <namcao@linutronix.de> Link: https://lore.kernel.org/r/50e737b6576208566d14efcf1934fe840de6b1f4.1735805772.git.namcao@linutronix.de Signed-off-by: Christian Brauner <brauner@kernel.org>