We computed Start/EndPos after trimming line prefix,
this resulted in offsetted values which are not correct.
Fix that. Add more tests and checks for Start/EndPos.
* Revert "Revert "executor: add setuid sandbox for openbsd""
The problem is the low file descriptor limit.
This reverts commit 4093e33b1338f274ae0062f555de9d6af8640d61.
* executor/executor make sure the file descriptor limit is sufficient
Currently syz-runtest fails to start because -debug flag is defined
both in syz-runtest and ipcconfig.
But moving sandbox functions we prevent ipcconfig from being imported into syz-runtest.
Over time we relaxed parsing to handle all kinds of invalid programs
(excessive/missing args, wrong types, etc).
This is useful when reading old programs from corpus.
But this is harmful for e.g. reading test inputs as they can become arbitrary outdated.
For runtests which creates additional problem of executing not
what is actually written in the test (or at least what author meant).
Add strict parsing mode that does not tolerate any errors.
For now it just checks excessive syscall arguments.
Previously the config was generated directly, but testing multiple
configurations makes this cumbersome going forward. This makes
kernel_config a mandatory parameter.
This is needed for both tools/syz-db and tools/syz-trace2syz.
Also, remove code to resolve SHA1 collisions.
Also, don't set db version as we actually want to minimize
and smash these programs like anything else
(not minimizing nor smashing them is only useful during tool testing).
* build/openbsd: minor cleanup (use tuples instead of maps)
* Grammar nits in comments.
* Simplify openbsd.Create, will defer when there's more than one error exit.
* pkg/build: Support copying kernel into GCE image
* Simple test for openbsd image copy build.
* Cleanup in case something failed before.
* Support multi-processor VMs on GCE.
* More debug
* Reformat
* OpenBSD gce image needs to be raw.
* GC
* Force format to GNU directly on Go 1.10 or newer.
* Use vmType passed as a parameter inside openbsd.go
* gofmt
* more fmt
* Can't use GENERIC.mp just yet.
* capitalize
* Copyright
1. Use dashboard style.
2. Allow sorting of tables.
3. Show old crashes in grey.
4. Use tables instead of text output for more pages.
5. Show corpus inputs on a separate page to allow copy-pasting.
6. Use standard JS sorting instead of custom bubble sort (much faster).
7. Fix off-by one in table sorting.
Fixes#694
This patch add a new struct ProgInfo that for now holds info about each
call in a program []CallInfo, but in the future will be expanded with remote
coverage info. Update all the callers to use the new interface as well.
We started detecting all kernel reboots as corrupted,
because we considered that after any "Allocated" line
a stack trace should follow.
Kernel boot output now contains:
ima: Allocated hash algorithm: sha256
and there is no stack trace after that.
1. Refine stack trace regexps (we actually want to look for
"Allocated by task PID:" lines).
2. Don't check stacks if report format says that it
does not contain stacks.
Amusing that's another kernel failure mode that we are discovering after 3 years.
One can't even reliably understand when kernel has crashed.
I wonder if syzkaller never hit these, or just never recognized and reported them. We will see.
Don't even want to think about arm kernel output parsing.
