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| author | Tiezhu Yang <yangtiezhu@loongson.cn> | 2022-03-23 16:06:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-23 19:00:35 -0700 |
| commit | d83ce027a54068fabb70d2c252e1ce2da86784a4 (patch) | |
| tree | df1da8f04aa0630ee723aa73a1e1ffc7c693c92c | |
| parent | 1a2383e8b84c0451fd9b1eec3b9aab16f30b597c (diff) | |
| download | linux-stable-d83ce027a54068fabb70d2c252e1ce2da86784a4.tar.gz linux-stable-d83ce027a54068fabb70d2c252e1ce2da86784a4.tar.bz2 linux-stable-d83ce027a54068fabb70d2c252e1ce2da86784a4.zip | |
ubsan: no need to unset panic_on_warn in ubsan_epilogue()
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>
| -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) |