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02-Mar-2016 |
Michael Ellerman <mpe@ellerman.id.au> |
selftests/powerpc: Fix out of bounds access in TM signal test
Gcc helpfully points out that we're accessing past the end of the gprs
array:
tm-signal-msr-resv.c: In function 'signal_usr1':
tm-signal-msr-resv.c:43:37: error: array subscript is above array bounds [-Werror=array-bounds]
ucp->uc_mcontext.regs->gpr[PT_MSR] |= (7ULL);
We haven't noticed previously because -flto was hiding it somehow.
The code is confused, PT_MSR isn't a gpr, instead it's in
uc_regs->gregs, so fix it.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
/external/linux-kselftest/tools/testing/selftests/powerpc/tm/tm-signal-msr-resv.c
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