SMB3: Kernel oops mounting a encryptData share with CONFIG_DEBUG_VIRTUAL (ee9d6618) · Commits · 戴 / test

Fix kernel oops when mounting a encryptData CIFS share with CONFIG_DEBUG_VIRTUAL Signed-off-by:

fs/cifs/smb2ops.c

+9 −1

Original line number	Diff line number	Diff line
		@@ -3489,7 +3489,15 @@ fill_transform_hdr(struct smb2_transform_hdr *tr_hdr, unsigned int orig_len,
		static inline void smb2_sg_set_buf(struct scatterlist sg, const void buf,
		unsigned int buflen)
		{
		sg_set_page(sg, virt_to_page(buf), buflen, offset_in_page(buf));
		void *addr;
		/*
		* VMAP_STACK (at least) puts stack into the vmalloc address space
		*/
		if (is_vmalloc_addr(buf))
		addr = vmalloc_to_page(buf);
		else
		addr = virt_to_page(buf);
		sg_set_page(sg, addr, buflen, offset_in_page(buf));
		}

		/* Assumes the first rqst has a transform header as the first iov.