| commit | dffd22aed2aa1e804bccf19b30a421e89ee2ae61 | [log] [tgz] |
|---|---|---|
| author | Jann Horn <jannh@google.com> | Wed Jun 20 18:33:45 2018 +0200 |
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | Tue Jun 26 16:48:23 2018 +0200 |
| tree | 527ee8d7048c5e0df7398273a7bac5cac5bda6c5 | |
| parent | ad9852af97587b8abe8102f9ddcb05c9769656f6 [diff] |
netfilter: nf_log: fix uninit read in nf_log_proc_dostring
When proc_dostring() is called with a non-zero offset in strict mode, it
doesn't just write to the ->data buffer, it also reads. Make sure it
doesn't read uninitialized data.
Fixes: c6ac37d8d884 ("netfilter: nf_log: fix error on write NONE to [...]")
Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>