s390/ptrace: fix PTRACE_GET_LAST_BREAK error handling

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[ Upstream commit f9bbf25e7b ]

Return -EFAULT if put_user() for the PTRACE_GET_LAST_BREAK
request fails, instead of silently ignoring it.

Reviewed-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Heiko Carstens 2023-03-06 12:31:30 +01:00 • committed by Greg Kroah-Hartman

parent ba64861922

commit 3059a67e02

1 changed files with 2 additions and 6 deletions

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arch/s390/kernel/ptrace.c

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