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author | Kenta.Tada@sony.com <Kenta.Tada@sony.com> | 2021-03-21 18:52:19 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-14 10:50:24 +0300 |
commit | 7456cc7c9fd5e551f462287b0d105e8cd1ffc9ec (patch) | |
tree | 0e69b170a822d54b208cddd363b01065ce2a12dd | |
parent | 4f53ef0f7841b015c39698590b39fc98b209cbbc (diff) | |
download | linux-7456cc7c9fd5e551f462287b0d105e8cd1ffc9ec.tar.xz |
seccomp: Fix CONFIG tests for Seccomp_filters
[ Upstream commit 64bdc0244054f7d4bb621c8b4455e292f4e421bc ]
Strictly speaking, seccomp filters are only used
when CONFIG_SECCOMP_FILTER.
This patch fixes the condition to enable "Seccomp_filters"
in /proc/$pid/status.
Signed-off-by: Kenta Tada <Kenta.Tada@sony.com>
Fixes: c818c03b661c ("seccomp: Report number of loaded filters in /proc/$pid/status")
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/OSBPR01MB26772D245E2CF4F26B76A989F5669@OSBPR01MB2677.jpnprd01.prod.outlook.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r-- | fs/proc/array.c | 2 | ||||
-rw-r--r-- | init/init_task.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c index 65ec2029fa80..18a4588c35be 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -341,9 +341,11 @@ static inline void task_seccomp(struct seq_file *m, struct task_struct *p) seq_put_decimal_ull(m, "NoNewPrivs:\t", task_no_new_privs(p)); #ifdef CONFIG_SECCOMP seq_put_decimal_ull(m, "\nSeccomp:\t", p->seccomp.mode); +#ifdef CONFIG_SECCOMP_FILTER seq_put_decimal_ull(m, "\nSeccomp_filters:\t", atomic_read(&p->seccomp.filter_count)); #endif +#endif seq_puts(m, "\nSpeculation_Store_Bypass:\t"); switch (arch_prctl_spec_ctrl_get(p, PR_SPEC_STORE_BYPASS)) { case -EINVAL: diff --git a/init/init_task.c b/init/init_task.c index 16d14c2ebb55..5fa18ed59d33 100644 --- a/init/init_task.c +++ b/init/init_task.c @@ -210,7 +210,7 @@ struct task_struct init_task #ifdef CONFIG_SECURITY .security = NULL, #endif -#ifdef CONFIG_SECCOMP +#ifdef CONFIG_SECCOMP_FILTER .seccomp = { .filter_count = ATOMIC_INIT(0) }, #endif }; |