Opened 17 months ago

Last modified 6 months ago

#18117 new bug

MMAP: KDL merging incompatible cache with VMAnonymousCache

Reported by: cocobean Owned by: nobody
Priority: normal Milestone: Unscheduled
Component: System/POSIX Version: R1/Development
Keywords: mmap Cc:
Blocked By: Blocking:
Platform: All

Description

KDL occurs. Merging incompatible cache with VMAnonymousCache at 0x82d78430 

Test Steps:

 * 1. Create a shared memory object.
 * 2. mmap the shared memory object into memory, setting MAP_PRIVATE.
 * 3. Modify the mapped memory.
 * 4. Fork a child process.
 * 5. Child process mmap the same shared memory object into memory.
 * 6. Check whether the change in step 3 is visible to the child.

Ref: ​https://github.com/haiku/open_posix_testsuite/blob/master/conformance/interfaces/mmap/7-3.c

Tested on: Haiku hrev56627 x86

Attachments (1)

Haiku_MMAP_7_3_bug.jpg​ (3.0 MB ) - added by cocobean 17 months ago.
MMAP-7_3-openposix test on Haiku hrev56627 x86

Change History (3)

comment:1 by waddlesplash, 17 months ago

Screenshot of KDL, please.

by cocobean, 17 months ago

Attachment: Haiku_MMAP_7_3_bug.jpg​ added

MMAP-7_3-openposix test on Haiku hrev56627 x86

comment:2 by cocobean, 6 months ago

No change. Updated for Haiku R1B4 (hrev56768+93) x86_64.

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