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fix off-by-one error that caused uninitialized memory read in floatscan
[musl]
/
src
/
internal
/
floatscan.c
diff --git
a/src/internal/floatscan.c
b/src/internal/floatscan.c
index
f80db38
..
4b335f5
100644
(file)
--- a/
src/internal/floatscan.c
+++ b/
src/internal/floatscan.c
@@
-244,7
+244,7
@@
static long double decfloat(FILE *f, int c, int bits, int emin, int sign, int po
/* Assemble desired bits into floating point variable */
for (y=i=0; i<LD_B1B_DIG; i++) {
- if ((a+i & MASK)==z) x[
z=(z+1 & MASK)
] = 0;
+ if ((a+i & MASK)==z) x[
(z=(z+1 & MASK))-1
] = 0;
y = 1000000000.0L * y + x[a+i & MASK];
}