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Potential Vulnerability in Cloned Code #110

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Potential Vulnerability in Cloned Code #110

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5 changes: 3 additions & 2 deletions u-boot-2021.10/lib/zlib/trees.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1029,8 +1029,9 @@ int ZLIB_INTERNAL _tr_tally (s, dist, lc)
unsigned dist; /* distance of matched string */
unsigned lc; /* match length-MIN_MATCH or unmatched char (if dist==0) */
{
s->d_buf[s->last_lit] = (ush)dist;
s->l_buf[s->last_lit++] = (uch)lc;
s->sym_buf[s->sym_next++] = dist;
s->sym_buf[s->sym_next++] = dist >> 8;
s->sym_buf[s->sym_next++] = lc;
if (dist == 0) {
/* lc is the unmatched char */
s->dyn_ltree[lc].Freq++;
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