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authorPhilippe Mathieu-Daudé <philmd@linaro.org>2024-06-06 12:39:43 +0200
committerStefan Hajnoczi <stefanha@redhat.com>2024-06-10 13:05:27 -0400
commit4c2b6f328742084a5bd770af7c3a2ef07828c41c (patch)
tree5d7631b761c3d5fb5718d6d5ee8e4ccdff32a745 /scripts/tracetool/__init__.py
parent956f63f87826fcd96d256bdbca17d31b060940e0 (diff)
downloadfocaccia-qemu-4c2b6f328742084a5bd770af7c3a2ef07828c41c.tar.gz
focaccia-qemu-4c2b6f328742084a5bd770af7c3a2ef07828c41c.zip
tracetool: Forbid newline character in event format
Events aren't designed to be multi-lines. Multiple events
can be used instead. Prevent that format using multi-lines
by forbidding the newline character.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Mads Ynddal <mads@ynddal.dk>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20240606103943.79116-6-philmd@linaro.org
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'scripts/tracetool/__init__.py')
-rw-r--r--scripts/tracetool/__init__.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/scripts/tracetool/__init__.py b/scripts/tracetool/__init__.py
index 7237abe0e8..bc03238c0f 100644
--- a/scripts/tracetool/__init__.py
+++ b/scripts/tracetool/__init__.py
@@ -301,6 +301,8 @@ class Event(object):
         if fmt.endswith(r'\n"'):
             raise ValueError("Event format must not end with a newline "
                              "character")
+        if '\\n' in fmt:
+            raise ValueError("Event format must not use new line character")
 
         if len(fmt_trans) > 0:
             fmt = [fmt_trans, fmt]