libtraceevent: Account for events with newlines in print fmt

Commit Message

Steven Rostedt Feb. 21, 2022, 8:46 p.m. UTC

From: "Steven Rostedt (Google)" <[e-mail]>

Some events in the kernel have a newline in the print fmt. Even though
that really is a bug in the kernel, libtraceevent should also be able
to handle it when it does happen.

Link: http://lore.kernel.org/linux-trace-devel/[e-mail]

Signed-off-by: Steven Rostedt (Google) <[e-mail]>
---
 src/event-parse.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/src/event-parse.c b/src/event-parse.c
index 2b346a5..7a84789 100644
--- a/src/event-parse.c
+++ b/src/event-parse.c
@@ -1248,7 +1248,7 @@  static enum tep_event_type __read_token(char **tok)
 			if (ch == '\\' && last_ch == '\\')
 				last_ch = 0;
 			/* Break out if the file is corrupted and giving non print chars */
-		} while ((ch != quote_ch && isprint(ch)) || last_ch == '\\');
+		} while ((ch != quote_ch && isprint(ch)) || last_ch == '\\' || ch == '\n');
 		/* remove the last quote */
 		i--;