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The alignment is passed into contigmalloc_domainset in the 7th argument.

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KUBSAN was complaining the pointer contigmalloc_domainset returned was
misaligned. Fix this by using the correct argument to find the alignment
in the function signature.

Reported by:	KUBSAN
MFC after:	2 weeks
Sponsored by:	DARPA, AFRL
This commit is contained in:
Andrew Turner 2019-05-28 10:55:59 +00:00
parent 5393cbce3d
commit 51db930589
1 changed files with 1 additions and 1 deletions
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2
sys/sys/malloc.h
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@ -177,7 +177,7 @@ void *contigmalloc(unsigned long size, struct malloc_type *type, int flags,
void *contigmalloc_domainset(unsigned long size, struct malloc_type *type,
struct domainset *ds, int flags, vm_paddr_t low, vm_paddr_t high,
unsigned long alignment, vm_paddr_t boundary)
__malloc_like __result_use_check __alloc_size(1) __alloc_align(6);
__malloc_like __result_use_check __alloc_size(1) __alloc_align(7);
void free(void *addr, struct malloc_type *type);
void free_domain(void *addr, struct malloc_type *type);
void *malloc(size_t size, struct malloc_type *type, int flags) __malloc_like