33 lines
1.0 KiB
Diff
33 lines
1.0 KiB
Diff
From 3ec01f287b0b61c0e6d885a7e96dcfa5afa800b8 Mon Sep 17 00:00:00 2001
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From: Phil Sutter <phil@nwl.cc>
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Date: Fri, 11 Jun 2021 16:46:48 +0200
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Subject: [PATCH] netlink: Avoid memleak in error path of
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netlink_delinearize_obj()
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If parsing udata fails, 'obj' has to be freed before returning to
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caller.
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Fixes: 293c9b114faef ("src: add comment support for objects")
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Signed-off-by: Phil Sutter <phil@nwl.cc>
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(cherry picked from commit 97b5d4bbcac4d3237f114c1c6a57c37968ebe0fc)
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Signed-off-by: Phil Sutter <psutter@redhat.com>
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---
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src/netlink.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/src/netlink.c b/src/netlink.c
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index fd82b16cb9f6e..4c03baeff5d66 100644
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--- a/src/netlink.c
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+++ b/src/netlink.c
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@@ -1445,6 +1445,7 @@ struct obj *netlink_delinearize_obj(struct netlink_ctx *ctx,
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udata = nftnl_obj_get_data(nlo, NFTNL_OBJ_USERDATA, &ulen);
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if (nftnl_udata_parse(udata, ulen, obj_parse_udata_cb, ud) < 0) {
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netlink_io_error(ctx, NULL, "Cannot parse userdata");
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+ obj_free(obj);
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return NULL;
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}
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if (ud[NFTNL_UDATA_OBJ_COMMENT])
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--
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2.31.1
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