[PATCH] kernel/panic: increase buffer size for verbose taint logging

[Rio <rioo.tsukatsukii@gmail.com>]

The verbose 'Tainted: ...' string in print_tainted_seq
can total to 327 characters while the buffer defined in
_print_tainted is 320 bytes. Increase its size to 350
characters to hold all flags, along with some headroom.

Signed-off-by: Rio <rioo.tsukatsukii@gmail.com>
---
 kernel/panic.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/kernel/panic.c b/kernel/panic.c
index c78600212b6c..42b03fdd6ffa 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -854,10 +854,12 @@ static void print_tainted_seq(struct seq_buf *s, bool verbose)
 	}
 }
 
+/* 350 can accomadate all taint flags in verbose mode, with some headroom */
+#define TAINT_BUF_MAX 350
+
 static const char *_print_tainted(bool verbose)
 {
-	/* FIXME: what should the size be? */
-	static char buf[sizeof(taint_flags)];
+	static char buf[TAINT_BUF_MAX];
 	struct seq_buf s;
 
 	BUILD_BUG_ON(ARRAY_SIZE(taint_flags) != TAINT_FLAGS_COUNT);
-- 
2.52.0