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* [PATCH] scripts/decode_stacktrace: Match basepath using shell prefix operator, not regex
@ 2019-05-18  5:59 Nicolas Boichat
  0 siblings, 0 replies; only message in thread
From: Nicolas Boichat @ 2019-05-18  5:59 UTC (permalink / raw)
  To: Andrew Morton
  Cc: Konstantin Khlebnikov, Nicolas Boichat, Marc Zyngier,
	Stephen Boyd, linux-kernel

The basepath may contain special characters, which would confuse
the regex matcher. ${var#prefix} does the right thing.

Fixes: 67a28de47faa8358 ("scripts/decode_stacktrace: only strip base path when a prefix of the path")
Signed-off-by: Nicolas Boichat <>
Reviewed-by: Stephen Boyd <>

I'm not sure how people normally use this script, but this seems to break
even with a simple full path as parameter (e.g. /home/.../kernel/).

 scripts/ | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/ b/scripts/
index bcdd45df3f5127a..e042acedcc0332c 100755
--- a/scripts/
+++ b/scripts/
@@ -85,7 +85,7 @@ parse_symbol() {
 	# Strip out the base of the path
-	code=${code//^$basepath/""}
+	code=${code#$basepath/}
 	# In the case of inlines, move everything to same line
 	code=${code//$'\n'/' '}

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2019-05-18  5:59 [PATCH] scripts/decode_stacktrace: Match basepath using shell prefix operator, not regex Nicolas Boichat

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