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authorKees Cook <keescook@chromium.org>2022-12-02 12:59:11 -0800
committerKees Cook <keescook@chromium.org>2022-12-02 13:04:39 -0800
commitde92f65719cd672f4b48397540b9f9eff67eca40 (patch)
tree0e389c36fc7652f61d8b9133833d8d0d358ae17f /kernel
parent9db89b41117024f80b38b15954017fb293133364 (diff)
exit: Allow oops_limit to be disabled
In preparation for keeping oops_limit logic in sync with warn_limit, have oops_limit == 0 disable checking the Oops counter. Cc: Jann Horn <jannh@google.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: "Jason A. Donenfeld" <Jason@zx2c4.com> Cc: Eric Biggers <ebiggers@google.com> Cc: Huang Ying <ying.huang@intel.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: linux-doc@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/exit.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index dc1a32149f94..deffb8e4b1b2 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -954,7 +954,7 @@ void __noreturn make_task_dead(int signr)
* To make sure this can't happen, place an upper bound on how often the
* kernel may oops without panic().
*/
- if (atomic_inc_return(&oops_count) >= READ_ONCE(oops_limit))
+ if (atomic_inc_return(&oops_count) >= READ_ONCE(oops_limit) && oops_limit)
panic("Oopsed too often (kernel.oops_limit is %d)", oops_limit);
/*