diff options
| author | Tiezhu Yang <yangtiezhu@loongson.cn> | 2023-01-24 10:50:54 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-02-01 08:27:20 +0100 |
| commit | b5c967dc682209d820e4f71a6f48467a648bfac3 (patch) | |
| tree | 26b0426fbceade277a632ff506bdb2c0e33c0b1e /lib | |
| parent | e4cd2100324e29a336358f12be6c1bb622ac9125 (diff) | |
| download | linux-stable-b5c967dc682209d820e4f71a6f48467a648bfac3.tar.gz linux-stable-b5c967dc682209d820e4f71a6f48467a648bfac3.tar.bz2 linux-stable-b5c967dc682209d820e4f71a6f48467a648bfac3.zip | |
ubsan: no need to unset panic_on_warn in ubsan_epilogue()
commit d83ce027a54068fabb70d2c252e1ce2da86784a4 upstream.
panic_on_warn is unset inside panic(), so no need to unset it before
calling panic() in ubsan_epilogue().
Link: https://lkml.kernel.org/r/1644324666-15947-5-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Xuefeng Li <lixuefeng@loongson.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/ubsan.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/lib/ubsan.c b/lib/ubsan.c index bdc380ff5d5c..36bd75e33426 100644 --- a/lib/ubsan.c +++ b/lib/ubsan.c @@ -154,16 +154,8 @@ static void ubsan_epilogue(void) current->in_ubsan--; - if (panic_on_warn) { - /* - * This thread may hit another WARN() in the panic path. - * Resetting this prevents additional WARN() from panicking the - * system on this thread. Other threads are blocked by the - * panic_mutex in panic(). - */ - panic_on_warn = 0; + if (panic_on_warn) panic("panic_on_warn set ...\n"); - } } void __ubsan_handle_divrem_overflow(void *_data, void *lhs, void *rhs) |