diff options
author | Florian Westphal <fw@strlen.de> | 2019-08-13 20:44:08 +0200 |
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committer | Florian Westphal <fw@strlen.de> | 2019-08-13 21:37:49 +0200 |
commit | 463811e9681188813264f572aca230273ccd1375 (patch) | |
tree | d3e09e9ae86e616d87474eae4c8be16164a46cea /src/mnl.c | |
parent | c9bd0aa99876ca6a6d24f6c135d732c3ad69fdc0 (diff) |
src: mnl: fix setting rcvbuffer size
Kernel expects socklen_t (int).
Using size_t causes kernel to read upper 0-bits.
This caused tests/shell/testcases/transactions/0049huge_0
to fail on s390x -- it uses 'echo' mode and will quickly
overrun the tiny buffer size set due to this bug.
Fixes: 89c82c261bb5 ("mnl: estimate receiver buffer size")
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/mnl.c')
-rw-r--r-- | src/mnl.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -240,7 +240,7 @@ static void mnl_set_sndbuffer(const struct mnl_socket *nl, static unsigned int nlsndbufsiz; -static int mnl_set_rcvbuffer(const struct mnl_socket *nl, size_t bufsiz) +static int mnl_set_rcvbuffer(const struct mnl_socket *nl, socklen_t bufsiz) { socklen_t len = sizeof(nlsndbufsiz); int ret; |