[PATCH 0/2] s390: Improve handling for stack register corruption

From: Heiko Carstens

Date: Fri Oct 02 2026 - 11:23:57 EST


Two small improvements:

- Copy last breaking event address to correct pt_regs location

- Save lowcore on invalid kernel stack to have more accurate data for
crash dump analysis

Thanks,
Heiko

Heiko Carstens (2):
s390/entry: Last breaking event vs invalid kernel stack
s390/entry: Save lowcore on invalid kernel stack

arch/s390/kernel/entry.S | 17 ++++++++++++++++-
arch/s390/kernel/entry.h | 4 ++++
arch/s390/kernel/traps.c | 6 ++++++
3 files changed, 26 insertions(+), 1 deletion(-)

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2.53.0