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[Octave-bug-tracker] [bug #55287] Memory leak in graphics subsystem

From: Dmitri A. Sergatskov
Subject: [Octave-bug-tracker] [bug #55287] Memory leak in graphics subsystem
Date: Thu, 27 Dec 2018 15:32:58 -0500 (EST)
User-agent: Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:64.0) Gecko/20100101 Firefox/64.0

Follow-up Comment #9, bug #55287 (project octave):

I compiled octave with leak sanitizer flags. Running the loop 
with LSAN_OPTIONS=leak_check_at_exit=0 gives no errors. Running
without this flag produces lots of errors and at the top I see
something like that (after 100 cycles):

==20132==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 26500000 byte(s) in 331250 object(s) allocated from:
    #0 0x7f64fa95579f in __interceptor_malloc (/lib64/liblsan.so.0+0xf79f)
    #1 0x7f64f7f59d37  (/lib64/libfreetype.so.6+0x15d37)

Number of bytes seems to increase linearly with number of cycles:

#i      bytes           objects
1       43200           540
2       310480          3881
3       577680          7221
10      2448400         30605
30      7793200         97415
100     26500000        331250



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