diff options
author | Phil Sutter <phil@nwl.cc> | 2024-03-07 14:49:08 +0100 |
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committer | Phil Sutter <phil@nwl.cc> | 2024-04-11 01:27:07 +0200 |
commit | be0bae0ad31b0adb506f96de083f52a2bd0d4fbf (patch) | |
tree | 378a1a3ffc541149493c184f0e3c21dfb675cebf /src/expr/range.c | |
parent | c48ac8cba8716a8bc4ff713ee965eee2643cfc31 (diff) |
With attr_policy in place, data_len has an upper boundary but it may be
lower than the attribute's storage area in which case memcpy() would
read garbage.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Diffstat (limited to 'src/expr/range.c')
-rw-r--r-- | src/expr/range.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/expr/range.c b/src/expr/range.c index 6310b79..96bb140 100644 --- a/src/expr/range.c +++ b/src/expr/range.c @@ -34,10 +34,10 @@ static int nftnl_expr_range_set(struct nftnl_expr *e, uint16_t type, switch(type) { case NFTNL_EXPR_RANGE_SREG: - memcpy(&range->sreg, data, sizeof(range->sreg)); + memcpy(&range->sreg, data, data_len); break; case NFTNL_EXPR_RANGE_OP: - memcpy(&range->op, data, sizeof(range->op)); + memcpy(&range->op, data, data_len); break; case NFTNL_EXPR_RANGE_FROM_DATA: return nftnl_data_cpy(&range->data_from, data, data_len); |