selftests: coredump: Add stackdump test

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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>

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Nam Cao 2025-01-02 09:22:57 +01:00 • committed by Christian Brauner

parent ab251dacfb

commit 15858da535

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7

tools/testing/selftests/coredump/Makefile

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50

tools/testing/selftests/coredump/README.rst

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14

tools/testing/selftests/coredump/stackdump Executable file

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151

tools/testing/selftests/coredump/stackdump_test.c

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