[haiku-bugs] Re: [Haiku] #15804: WebKit: crash in incrementPageOccupancy

  • From: "Haiku" <trac@xxxxxxxxxxxx>
  • To: undisclosed-recipients: ;
  • Date: Sun, 22 Mar 2020 00:23:43 -0000

#15804: WebKit: crash in incrementPageOccupancy
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   Reporter:  X512                      |      Owner:  pulkomandy
       Type:  bug                       |     Status:  new
   Priority:  normal                    |  Milestone:  Unscheduled
  Component:  Applications/WebPositive  |    Version:  R1/Development
 Resolution:                            |   Keywords:
 Blocked By:                            |   Blocking:
Has a Patch:  0                         |   Platform:  All
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Comment (by X512):

 Replying to [comment:6 KapiX]:

1. create_area/delete_area is tricky because WebKit MetaAllocator can
 commit 3 pages from address X, then decommit 2 pages from address X, which
 leaves you with one leftover page. decommit implemented with delete_area
 would dealloc all 3. Without additional bookkeeping that won't work.

 Can resize_area help?
-- 
Ticket URL: <https://dev.haiku-os.org/ticket/15804#comment:7>
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