Author: jhb
Date: Thu Nov 1 20:42:54 2018
New Revision: 340017
URL: https://svnweb.freebsd.org/changeset/base/340017
Log:
MFC 338813: Clear all of the VFP state in fill_fpregs().
Zero the entire FP register set structure returned for ptrace() if a
thread hasn't used FP registers rather than leaking garbage in the
fp_sr and fp_cr fields.
Modified:
stable/11/sys/arm64/arm64/machdep.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/arm64/arm64/machdep.c
==============================================================================
--- stable/11/sys/arm64/arm64/machdep.c Thu Nov 1 18:34:26 2018
(r340016)
+++ stable/11/sys/arm64/arm64/machdep.c Thu Nov 1 20:42:54 2018
(r340017)
@@ -222,7 +222,7 @@ fill_fpregs(struct thread *td, struct fpreg *regs)
regs->fp_sr = pcb->pcb_fpsr;
} else
#endif
- memset(regs->fp_q, 0, sizeof(regs->fp_q));
+ memset(regs, 0, sizeof(*regs));
return (0);
}
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