git: e0649a35a670 - main - libnvmf: Zero controller data template for I/O controllers
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Date: Fri, 19 Jul 2024 21:06:55 UTC
The branch main has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=e0649a35a670c4b625d1de289b3886d9b3c9654f commit e0649a35a670c4b625d1de289b3886d9b3c9654f Author: John Baldwin <jhb@FreeBSD.org> AuthorDate: 2024-07-19 21:06:47 +0000 Commit: John Baldwin <jhb@FreeBSD.org> CommitDate: 2024-07-19 21:06:47 +0000 libnvmf: Zero controller data template for I/O controllers This prevents stack garbage from leaking into the cdata used for the userspace I/O controller in nvmfd(8). Sponsored by: Chelsio Communications --- lib/libnvmf/nvmf_controller.c | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/libnvmf/nvmf_controller.c b/lib/libnvmf/nvmf_controller.c index 554e5e769ded..0e0126040ee4 100644 --- a/lib/libnvmf/nvmf_controller.c +++ b/lib/libnvmf/nvmf_controller.c @@ -425,6 +425,7 @@ nvmf_init_io_controller_data(struct nvmf_qpair *qp, const char *serial, uname(&utsname); + memset(cdata, 0, sizeof(*cdata)); _nvmf_init_io_controller_data(qp->nq_cntlid, na->na_params.max_io_qsize, serial, utsname.sysname, utsname.release, subnqn, nn, ioccsz, sizeof(struct nvme_completion), cdata);