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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-01-27 16:09:12 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-01-27 16:09:12 -0800 |
| commit | 28cca23da7240df597240a492a7a7d4ce990026b (patch) | |
| tree | 0490910cf152460aa88d1aa0e3863064a718de26 /drivers | |
| parent | d786f0fe5e5490682cc05dce6bea0b32964d5088 (diff) | |
| parent | be0d8f48ad97f5b775b0af3310343f676dbf318a (diff) | |
Merge tag 'hardening-v6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening fixes from Kees Cook:
- Split slow memcpy tests into MEMCPY_SLOW_KUNIT_TEST
- Reorganize gcc-plugin includes for GCC 13
- Silence bcache memcpy run-time false positive warnings
* tag 'hardening-v6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
bcache: Silence memcpy() run-time false positive warnings
gcc-plugins: Reorganize gimple includes for GCC 13
kunit: memcpy: Split slow memcpy tests into MEMCPY_SLOW_KUNIT_TEST
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/bcache/bcache_ondisk.h | 3 | ||||
| -rw-r--r-- | drivers/md/bcache/journal.c | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/md/bcache/bcache_ondisk.h b/drivers/md/bcache/bcache_ondisk.h index 97413586195b..f96034e0ba4f 100644 --- a/drivers/md/bcache/bcache_ondisk.h +++ b/drivers/md/bcache/bcache_ondisk.h @@ -106,7 +106,8 @@ static inline unsigned long bkey_bytes(const struct bkey *k) return bkey_u64s(k) * sizeof(__u64); } -#define bkey_copy(_dest, _src) memcpy(_dest, _src, bkey_bytes(_src)) +#define bkey_copy(_dest, _src) unsafe_memcpy(_dest, _src, bkey_bytes(_src), \ + /* bkey is always padded */) static inline void bkey_copy_key(struct bkey *dest, const struct bkey *src) { diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index e5da469a4235..c182c21de2e8 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -149,7 +149,8 @@ add: bytes, GFP_KERNEL); if (!i) return -ENOMEM; - memcpy(&i->j, j, bytes); + unsafe_memcpy(&i->j, j, bytes, + /* "bytes" was calculated by set_bytes() above */); /* Add to the location after 'where' points to */ list_add(&i->list, where); ret = 1; |