metag/ptrace: Provide default TXSTATUS for short NT_PRSTATUS

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commit 5fe81fe981 upstream.

Ensure that if userspace supplies insufficient data to PTRACE_SETREGSET
to fill TXSTATUS, a well-defined default value is used, based on the
task's current value.

Suggested-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Dave Martin 2017-03-27 15:10:56 +01:00 • committed by Greg Kroah-Hartman

parent 2739b48741

commit 2d6532ceb4

1 changed files with 12 additions and 3 deletions

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arch/metag/kernel/ptrace.c

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