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| author | Kees Cook <keescook@chromium.org> | 2023-01-24 11:29:59 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-02-01 08:23:20 +0100 |
| commit | 530cdae5c2b2cc30bd09054edd75abf515564354 (patch) | |
| tree | 24c14e841dd25216100aa89e330970fe8fcad9e9 /kernel | |
| parent | 7cffbcd68f1c1579173e6d4d6fdfd5c99a4f5ba5 (diff) | |
| download | linux-stable-530cdae5c2b2cc30bd09054edd75abf515564354.tar.gz linux-stable-530cdae5c2b2cc30bd09054edd75abf515564354.tar.bz2 linux-stable-530cdae5c2b2cc30bd09054edd75abf515564354.zip | |
exit: Allow oops_limit to be disabled
commit de92f65719cd672f4b48397540b9f9eff67eca40 upstream.
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>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/exit.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index b519abee2c54..8c820aa7b9c5 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -927,7 +927,7 @@ 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); do_exit(signr); |