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811808d365
Faults from copy_from_kernel_nofault() need to be handled by fixup table and should not be handled by kfence. Otherwise while reading /proc/kcore which uses copy_from_kernel_nofault(), kfence can generate false negatives. This can happen when /proc/kcore ends up reading an unmapped address from kfence pool. Let's add a testcase to cover this case. Link: https://lkml.kernel.org/r/210e561f7845697a32de44b643393890f180069f.1729272697.git.ritesh.list@gmail.com Signed-off-by: Nirjhar Roy <nirjhar@linux.ibm.com> Co-developed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com> Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com> Tested-by: Marco Elver <elver@google.com> Reviewed-by: Marco Elver <elver@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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| .. | ||
| .kunitconfig | ||
| core.c | ||
| kfence_test.c | ||
| kfence.h | ||
| Makefile | ||
| report.c | ||