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	Commit message (Collapse)	Author	Age	Files	Lines
*	all: support extra coverage	Andrey Konovalov	2019-01-16	1	-2/+2
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	Right now syzkaller only supports coverage collected from the threads that execute syscalls. However some useful things happen in background threads, and it would be nice to collect coverage from those threads as well. This change adds extra coverage support to syzkaller. This coverage is not associated with a particular syscall, but rather with the whole program. Executor passes extra coverage over the same ipc mechanism to syz-fuzzer with syscall number set to -1. syz-fuzzer then passes this coverage to syz-manager with the call name "extra". This change requires the following kcov patch: https://github.com/xairy/linux/pull/2
*	executor: overhaul	Dmitry Vyukov	2018-07-24	1	-0/+30
	Make as much code as possible shared between all OSes. In particular main is now common across all OSes. Make more code shared between executor and csource (in particular, loop function and threaded execution logic). Also make loop and threaded logic shared across all OSes. Make more posix/unix code shared across OSes (e.g. signal handling, pthread creation, etc). Plus other changes along similar lines. Also support test OS in executor (based on portable posix) and add 4 arches that cover all execution modes (fork server/no fork server, shmem/no shmem). This change paves way for testing of executor code and allows to preserve consistency across OSes and executor/csource.