Messages in this thread | | | From | Alexander Potapenko <> | Date | Thu, 16 Feb 2023 17:34:33 +0100 | Subject | Re: next: x86_64: kunit test crashed and kernel panic |
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On Thu, Feb 16, 2023 at 1:13 PM Naresh Kamboju <naresh.kamboju@linaro.org> wrote: > > Following kernel panic noticed while running KUNIT testing on qemu-x86_64 > with KASAN enabled kernel. > > CONFIG_KASAN=y > CONFIG_KUNIT=y > CONFIG_KUNIT_ALL_TESTS=y >
This is reproducible for me locally, taking a look...
> <4>[ 38.796558] ? kmalloc_memmove_negative_size+0xeb/0x1f0 > <4>[ 38.797376] ? __pfx_kmalloc_memmove_negative_size+0x10/0x10
Most certainly kmalloc_memmove_negative_size() is related. Looks like we fail to intercept the call to memmove() in this test, passing -2 to the actual __memmove().
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