16 Feb
2023
16 Feb
'23
4:34 p.m.
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().