This is a note to let you know that I've just added the patch titled seccomp: Fix CONFIG tests for Seccomp_filters to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: seccomp-fix-config-tests-for-seccomp_filters.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 54dd367489dee1f3c67c053044bd961d209b34dc Author: Kenta.Tada@xxxxxxxx <Kenta.Tada@xxxxxxxx> Date: Sun Mar 21 15:52:19 2021 +0000 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/$pid/status. Signed-off-by: Kenta Tada <Kenta.Tada@xxxxxxxx> Fixes: c818c03b661c ("seccomp: Report number of loaded filters in /proc/$pid/status") Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> Link: https://lore.kernel.org/r/OSBPR01MB26772D245E2CF4F26B76A989F5669@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> 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 @@ -341,8 +341,10 @@ 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)) { 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 };