This is a note to let you know that I've just added the patch titled panic: Separate sysctl logic from CONFIG_SMP to the 6.1-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: panic-separate-sysctl-logic-from-config_smp.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 9360d035a579d95d1e76c471061b9065b18a0eb1 Mon Sep 17 00:00:00 2001 From: Kees Cook <keescook@xxxxxxxxxxxx> Date: Thu, 17 Nov 2022 15:43:21 -0800 Subject: panic: Separate sysctl logic from CONFIG_SMP From: Kees Cook <keescook@xxxxxxxxxxxx> commit 9360d035a579d95d1e76c471061b9065b18a0eb1 upstream. In preparation for adding more sysctls directly in kernel/panic.c, split CONFIG_SMP from the logic that adds sysctls. Cc: Petr Mladek <pmladek@xxxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: tangmeng <tangmeng@xxxxxxxxxxxxx> Cc: "Guilherme G. Piccoli" <gpiccoli@xxxxxxxxxx> Cc: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx> Cc: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Reviewed-by: Luis Chamberlain <mcgrof@xxxxxxxxxx> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> Link: https://lore.kernel.org/r/20221117234328.594699-1-keescook@xxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- kernel/panic.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/kernel/panic.c +++ b/kernel/panic.c @@ -75,8 +75,9 @@ ATOMIC_NOTIFIER_HEAD(panic_notifier_list EXPORT_SYMBOL(panic_notifier_list); -#if defined(CONFIG_SMP) && defined(CONFIG_SYSCTL) +#ifdef CONFIG_SYSCTL static struct ctl_table kern_panic_table[] = { +#ifdef CONFIG_SMP { .procname = "oops_all_cpu_backtrace", .data = &sysctl_oops_all_cpu_backtrace, @@ -86,6 +87,7 @@ static struct ctl_table kern_panic_table .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, +#endif { } }; Patches currently in stable-queue which might be from keescook@xxxxxxxxxxxx are queue-6.1/panic-consolidate-open-coded-panic_on_warn-checks.patch queue-6.1/exit-put-an-upper-limit-on-how-often-we-can-oops.patch queue-6.1/panic-introduce-warn_limit.patch queue-6.1/exit-allow-oops_limit-to-be-disabled.patch queue-6.1/panic-separate-sysctl-logic-from-config_smp.patch queue-6.1/exit-use-read_once-for-all-oops-warn-limit-reads.patch queue-6.1/exit-expose-oops_count-to-sysfs.patch queue-6.1/panic-expose-warn_count-to-sysfs.patch queue-6.1/docs-fix-path-paste-o-for-sys-kernel-warn_count.patch