803386 - Valgrind on tbpl detects mismatched free with mozilla::gfx::Scale on the stack

Status: RESOLVED WORKSFORME

(Core :: Graphics, defect)

Description

[Gary Kwong [:gkw] [:nth10sd] (NOT official MoCo now)]

Attachment: Valgrind stack

Valgrind detects a Mismatched free() / delete / delete [] error with mozilla::gfx::Scale on the stack, see attached snippet which comes from:

https://tbpl.mozilla.org/php/getParsedLog.php?id=16234543&tree=Firefox&full=1

Guessing Core: Graphics, please change component if necessary.

Comment 1

[Gary Kwong [:gkw] [:nth10sd] (NOT official MoCo now)]

Regression window:

https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=8f145599e4bf&tochange=cb573b9307e5

Comment 2

[Gary Kwong [:gkw] [:nth10sd] (NOT official MoCo now)]

This has been suppressed in https://hg.mozilla.org/mozilla-central/rev/98597b6316d1

Comment 3

[Kyle Huey (Exited; not receiving bugmail, old account, do not use)]

Is this a skia bug?

Comment 4

[Julian Seward [:jseward]]

Either a dup of, or very closely related to, bug 795855.

Comment 5

[Nicholas Nethercote [inactive]]

This is no longer occurring in Valgrind-on-TBPL runs.