diff options
| -rw-r--r-- | include/sys/dnode.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/sys/dnode.h b/include/sys/dnode.h index 2d741ea36..dbe7350d4 100644 --- a/include/sys/dnode.h +++ b/include/sys/dnode.h @@ -120,7 +120,11 @@ extern "C" { #define DN_MAX_LEVELS (DIV_ROUND_UP(DN_MAX_OFFSET_SHIFT - SPA_MINBLOCKSHIFT, \ DN_MIN_INDBLKSHIFT - SPA_BLKPTRSHIFT) + 1) -#define DN_BONUS(dnp) ((void*)((dnp)->dn_bonus + \ +/* + * Use the flexible array instead of the fixed length one dn_bonus + * to address memcpy/memmove fortify error + */ +#define DN_BONUS(dnp) ((void*)((dnp)->dn_bonus_flexible + \ (((dnp)->dn_nblkptr - 1) * sizeof (blkptr_t)))) #define DN_MAX_BONUS_LEN(dnp) \ ((dnp->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ? \ @@ -266,6 +270,10 @@ typedef struct dnode_phys { sizeof (blkptr_t)]; blkptr_t dn_spill; }; + struct { + blkptr_t __dn_ignore4; + uint8_t dn_bonus_flexible[]; + }; }; } dnode_phys_t; |