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| author | Andrey Konovalov <andreyknvl@google.com> | 2020-06-12 17:41:07 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-06-12 17:41:07 +0200 |
| commit | 3036d6fd0b555d5a50b3956cae9accc7f9b68909 (patch) | |
| tree | dd209227c566738c81a2a1a578826f619f3b89dc /docs/linux | |
| parent | df5902545c718f3a92f6423aae1f43d8144bd53c (diff) | |
Update external_fuzzing_usb.md
Diffstat (limited to 'docs/linux')
| -rw-r--r-- | docs/linux/external_fuzzing_usb.md | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/docs/linux/external_fuzzing_usb.md b/docs/linux/external_fuzzing_usb.md index 631d0b1b3..fae7f88de 100644 --- a/docs/linux/external_fuzzing_usb.md +++ b/docs/linux/external_fuzzing_usb.md @@ -8,10 +8,9 @@ This is still in development and things might change. USB fuzzing support consists of 3 parts: -1. Syzkaller changes that are now upstream, see the [Internals](/docs/linux/external_fuzzing_usb.md#Internals) section for details. -2. Kernel interface for USB device emulation called [Raw Gadget](https://github.com/xairy/raw-gadget), which is now upstream. -3. KCOV changes that allow to collect coverage from background threads and interrupts -(the former is now upstream, the latter part is optional and is currently in development). +1. Syzkaller changes that are now in the mainline, see the [Internals](/docs/linux/external_fuzzing_usb.md#Internals) section for details. +2. Kernel interface for USB device emulation called [Raw Gadget](https://github.com/xairy/raw-gadget), which is now in the mainline. +3. KCOV changes that allow to collect coverage from background threads and interrupts, that are now in the mainline. Some (partly outdated) details can be found in the OffensiveCon 2019 "Coverage-Guided USB Fuzzing with Syzkaller" talk ([slides](https://docs.google.com/presentation/d/1z-giB9kom17Lk21YEjmceiNUVYeI6yIaG5_gZ3vKC-M/edit?usp=sharing), [video](https://www.youtube.com/watch?v=1MD5JV6LfxA)). @@ -49,9 +48,8 @@ syzkaller USB runtests are [here](/sys/linux/test/) and start with `vusb` prefix A few major things that need to be done: -1. Upstream KCOV changes that allow to collect coverage from interrupts. -2. Implement a proper way for extracting relevant USB ids from the kernel ([discussion](https://www.spinics.net/lists/linux-usb/msg187915.html) is ongoing). -3. Add descriptions for all relevant USB classes and drivers. +1. Implement a proper way for extracting relevant USB ids from the kernel ([discussion](https://www.spinics.net/lists/linux-usb/msg187915.html) is ongoing). +2. Add descriptions for all relevant USB classes and drivers. Some ideas for things that can be done: |