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be0d8f48ad
struct bkey has internal padding in a union, but it isn't always named the same (e.g. key ## _pad, key_p, etc). This makes it extremely hard for the compiler to reason about the available size of copies done against such keys. Use unsafe_memcpy() for now, to silence the many run-time false positive warnings: memcpy: detected field-spanning write (size 264) of single field "&i->j" at drivers/md/bcache/journal.c:152 (size 240) memcpy: detected field-spanning write (size 24) of single field "&b->key" at drivers/md/bcache/btree.c:939 (size 16) memcpy: detected field-spanning write (size 24) of single field "&temp.key" at drivers/md/bcache/extents.c:428 (size 16) Reported-by: Alexandre Pereira <alexpereira@disroot.org> Link: https://bugzilla.kernel.org/show_bug.cgi?id=216785 Acked-by: Coly Li <colyli@suse.de> Cc: Kent Overstreet <kent.overstreet@gmail.com> Cc: linux-bcache@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20230106060229.never.047-kees@kernel.org |
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| .. | ||
| alloc.c | ||
| bcache.h | ||
| bcache_ondisk.h | ||
| bset.c | ||
| bset.h | ||
| btree.c | ||
| btree.h | ||
| closure.c | ||
| closure.h | ||
| debug.c | ||
| debug.h | ||
| extents.c | ||
| extents.h | ||
| features.c | ||
| features.h | ||
| io.c | ||
| journal.c | ||
| journal.h | ||
| Kconfig | ||
| Makefile | ||
| movinggc.c | ||
| request.c | ||
| request.h | ||
| stats.c | ||
| stats.h | ||
| super.c | ||
| sysfs.c | ||
| sysfs.h | ||
| trace.c | ||
| util.c | ||
| util.h | ||
| writeback.c | ||
| writeback.h | ||