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DAVEM TPF Grant#2 March 2017 report

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Dave Mitchell
April 3, 2017 08:33
DAVEM TPF Grant#2 March 2017 report
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The main things I did last month were:

* working on fuzzer-related tickets in the security queue;

* working on tickets in the 5.26 blocker queue;

* investigating the possibility of storing short strings directly in the
head of an SV, eliminating the need for an SV body or malloced string
buffer. The short conclusion was that it probably wont work robustly.

* reducing the size of my p5p mailbox, which had grown to 14,000 emails
over the years. It's now down to a few hundred. This was achieved firstly
by simply deleting any threads more than 3 years old, then
reading/processing/deleting any threads/tickets newer than that.

      0:30 "do ''" warnings
      2:53 RT ##131083 Bleadperl breaks App-PDF-Link-0.18
      0:15 RT #130841 AddressSanitizer: heap-buffer-overflow
      2:38 RT #130841 heap-buffer-overflow in Perl_newSVpvn_flags
      1:18 RT #130861 AddressSanitizer: heap-use-after-free in Perl_pp_rv2sv
     11:52 RT #130915 AddressSanitizer: heap-buffer-overflow in Perl_do_vecget
      2:39 RT #130916 heap-buffer-overflow in S_ckwarn_common
      0:33 RT #130918 heap-buffer-overflow in Perl_pad_free
      2:42 RT #130921 BBC re-engine-GNU-0.021
      1:18 RT #130934 heap-use-after-free in Perl_yyparse
      0:44 RT #130981 Confusing B::Deparse output with unless/elsif
      0:44 RT #131033 t/op/range.t fails
      1:53 RT #32714 Objects destroyed in the wrong order during global destruction
      1:30 fix build warnings and smoke failures
     17:31 investigate short-string PVs
     31:12 process p5p mailbox
      1:04 revert @INC changes
      4:57 review blocker tickets
      6:01 review security tickets
     92:14 TOTAL (HH::MM)

 180.7 weeks
2549.0 total hours
  14.1 average hours per week

There are 251 hours left on the grant

The Enterprise successfully ferries an alien VIP from one place to another
without serious incident.
    -- Things That Never Happen in "Star Trek" #7

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