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/match.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/match.c')
-rw-r--r-- | src/expr/match.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/expr/match.c b/src/expr/match.c index 68288dc..8c1bc74 100644 --- a/src/expr/match.c +++ b/src/expr/match.c @@ -46,7 +46,7 @@ nftnl_expr_match_set(struct nftnl_expr *e, uint16_t type, (const char *)data); break; case NFTNL_EXPR_MT_REV: - memcpy(&mt->rev, data, sizeof(mt->rev)); + memcpy(&mt->rev, data, data_len); break; case NFTNL_EXPR_MT_INFO: if (e->flags & (1 << NFTNL_EXPR_MT_INFO)) |