Ben Wiederhake
00131d244e
Kernel: Expose sysctl 'ubsan_is_deadly' to panic the Kernel on UB
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This makes it easier to find UB, for example when fuzzing the Kernel.
This can be enabled by default, thanks to @boricj's work in
32e1354b9b
2021-03-07 17:31:25 +01:00
Andreas Kling
99cd0d3ffb
Kernel: Improve KUBSAN logging for "type mismatch" errors
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Parse out some more information about the error from the data we get.
2021-02-24 14:27:06 +01:00
Hendiadyoin1
4d5496b2b2
KUBSAN: Add nearly all missing -fsanitize handlers ( #5254 )
2021-02-11 20:58:01 +01:00
Brian Gianforcaro
c95d48c8d6
Kernel: KUBSAN implementation of returns-nonnull-attribute
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This didn't find anything in the current source.
2021-02-07 10:22:03 +01:00
Andreas Kling
04ff46bff4
Kernel: And some more KUBSAN checks :^)
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Here comes a few more:
* enum
* object-size
* vptr
2021-02-06 17:39:49 +01:00
Andreas Kling
fad0332898
Kernel: Implement some more KUBSAN checks :^)
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This patch enables the following -fsanitize sub-options:
* bounds
* bounds-strict
* integer-divide-by-zero
* return
* shift
* shift-base
* shift-exponent
2021-02-06 17:39:49 +01:00
Andreas Kling
d164f89ada
Kenrel: Implement two more KUBSAN checks
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This patch adds the following UndefinedBehaviorSanitizer sub-options:
* signed-integer-overflow
* vla-bound
2021-02-05 21:23:11 +01:00
Andreas Kling
d44be96893
Kernel: KUBSAN! (Kernel Undefined Behavior SANitizer) :^)
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We now build the kernel with partial UBSAN support.
The following -fsanitize sub-options are enabled:
* nonnull-attribute
* bool
If the kernel detects UB at runtime, it will now print a debug message
with a stack trace. This is very cool! I'm leaving it on by default for
now, but we'll probably have to re-evaluate this as more options are
enabled and slowdown increases.
2021-02-05 21:23:11 +01:00
