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04e403e662
Unfortunately, __builtin_dynamic_object_size() does not take into account
flexible array sizes, even when they are sized by __counted_by. As a
result, the size tests for the flexible arrays need to be separated to
get an accurate check of the compiler's behavior. While at it, fully test
sizeof, __struct_size (bdos(..., 0)), and __member_size (bdos(..., 1)).
I still think this is a compiler design issue, but there's not much to
be done about it currently beyond adjusting these tests. GCC and Clang
agree on this behavior at least. :)
Reported-by: "Thomas Weißschuh" <linux@weissschuh.net>
Closes: https://lore.kernel.org/lkml/e1a1531d-6968-4ae8-a3b5-5ea0547ec4b3@t-8ch.de/
Fixes:
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||
|---|---|---|
| .. | ||
| module | ||
| bitfield_kunit.c | ||
| checksum_kunit.c | ||
| cmdline_kunit.c | ||
| cpumask_kunit.c | ||
| crc_kunit.c | ||
| fortify_kunit.c | ||
| hashtable_test.c | ||
| is_signed_type_kunit.c | ||
| kfifo_kunit.c | ||
| kunit_iov_iter.c | ||
| list-test.c | ||
| Makefile | ||
| memcpy_kunit.c | ||
| overflow_kunit.c | ||
| siphash_kunit.c | ||
| slub_kunit.c | ||
| stackinit_kunit.c | ||
| string_helpers_kunit.c | ||
| string_kunit.c | ||
| test_bits.c | ||
| test_fprobe.c | ||
| test_hash.c | ||
| test_kprobes.c | ||
| test_linear_ranges.c | ||
| test_list_sort.c | ||
| test_sort.c | ||
| usercopy_kunit.c | ||
| util_macros_kunit.c | ||