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* tools: add a syz-diff toolAleksandr Nogikh2024-10-251-2/+2
| | | | | | | | | | | | | | This is the prototype version of the patch series fuzzing functionality based on the syzkaller fuzzing engine. The tool takes two syzkaller configs -- one for the base kernel, one for the patched kernel. Optionally the patch itself can be also provided. syz-diff will consider a bug patched-only if: 1) It happened while fuzzing the patched kernel. 2) It was never observed on the base kernel. 3) The tool found a repro on the patched kernel. 4) The repro did not crash the base kernel.
* pkg/manager: tolerate empty crash directoryAleksandr Nogikh2024-10-221-0/+9
| | | | It's okay if there have been no crashes yet.
* pkg/manager: factor out the crash storage functionalityAleksandr Nogikh2024-10-111-0/+106
It reduces the size of the syz-manager/ code and makes it testable. Use it in syz-testbed.