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seccomp: Fix CONFIG tests for Seccomp_filters

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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: c818c03b66 ("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
This commit is contained in:
Kenta.Tada@sony.com 2021-03-21 15:52:19 +00:00 committed by Kees Cook
parent a38fd87484
commit 64bdc02440
2 changed files with 3 additions and 1 deletions
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2
fs/proc/array.c
View File

@ -342,8 +342,10 @@ 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)) {

2
init/init_task.c
View File

@ -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
};