libc: lib_malloc_aligned(): add a missing NULL check

For some reason return value of the __je_bootstrap_malloc()
is not checked and then de-referenced few lines below, causing
a SEGV if an early allocation fails.

MFC after:      1 month

This commit is contained in:

Maxim Sobolev

2024-12-08 11:08:43 -08:00

parent ae316d1d1c

commit 1e99be5dcd

1 changed files with 2 additions and 0 deletions

									
										lib/libc/gen/tls.c
									
		+2
		
												View File
												
				@@ -113,6 +113,8 @@ libc_malloc_aligned(size_t size, size_t align)

						align = sizeof(void *);

					mem = __je_bootstrap_malloc(size + sizeof(void *) + align - 1);

					if (mem == NULL)

						return (NULL);

					res = (void *)roundup2((uintptr_t)mem + sizeof(void *), align);

					*(void **)((uintptr_t)res - sizeof(void *)) = mem;

					return (res);