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Commits on Sep 22, 2015

• Cleanup: Remove commented-out assertion

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• Disallow open() calls with side effects

  

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• Start whitelisting syscalls based on arguments (as well as syscall number)

  

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• Factor out mapping of registers to syscall args into a helper class

  

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• Add a targeted test to check that mknod() is not whitelisted

  

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• Fix inline assembly in restore.cc

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Commits on Jul 11, 2015

• Update TODO list, given the recent change implementing syscall whitelisting

  

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• Implement handling of set_tid_address()

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Commits on Jul 9, 2015

• Start whitelisting syscalls

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• Test that the program got snapshotted at the syscall we expected

  

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• Replace the last use of SIGUSR1 with getpid(), for triggering snapshotting

  

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• Use unhandled syscall (mknod()) instead of SIGUSR1 in Python example

  

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• Start to use an unrecognised syscall to trigger snapshotting

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• Add a TODO item

  

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Commits on Jul 3, 2015

• Enable mapping a stack guard page

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• Handle restoring MAP_ANON+PROT_NONE mappings that have never been writable

  

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• Restore: Fix the buffer size limit

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• save_restore_tests.cc: Finish splitting into separate test cases

  

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• save_restore_tests.cc: Start splitting into separate test cases

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• Move some test-running logic to a Python script

  

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Commits on Jul 2, 2015

• Ptracer: Reduce verbosity for now

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Commits on Jul 1, 2015

• Add a "Credits" section to the README file

  

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Commits on Jun 21, 2015

• Give this project a name

  

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• Add copyright licence notices

  

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• Add comments about what elf_loader.c and its linker script are based on

  

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• Add a to-do list

  

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• Add a README.md file

  

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• Add a minimal example/test that uses Python

  

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• Rename run.sh to make.sh

  

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• Add a comment

  

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Commits on Jun 20, 2015

• Fix gettimeofday() by disabling access to the VDSO

  

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• Disable brk() before the snapshot so that malloc()'d blocks are restored

  

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• Convert "restore" program to being libc-free

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• Restore: Avoid using MAP_FIXED so that we don't clobber existing mappings

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Commits on Jun 19, 2015

• mmap: Record overwriting of existing mappings when MAP_FIXED is used

  

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