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tools: ynl: handle calloc failure in ynl_ntf_parse

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Check the return value of calloc() before dereferencing the allocated
response structure in ynl_ntf_parse().

Signed-off-by: Triet Hoang <triet.hoang.dev@gmail.com>
Link: https://patch.msgid.link/20260818132739.469624-1-triet.hoang.dev@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Triet Hoang
2026-08-18 13:27:39 +00:00
committed by Jakub Kicinski
parent 4c660ee8c8
commit 25b863cd6d
1 changed files with 3 additions and 0 deletions
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3
tools/net/ynl/lib/ynl.c
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@@ -889,6 +889,9 @@ static int ynl_ntf_parse(struct ynl_sock *ys, const struct nlmsghdr *nlh)
return YNL_PARSE_CB_ERROR;
rsp = calloc(1, info->alloc_sz);
if (!rsp)
return YNL_PARSE_CB_ERROR;
rsp->free = info->free;
yarg.data = rsp->data;
yarg.rsp_policy = info->policy;