Module Name: src Committed By: maxv Date: Fri Aug 16 10:41:35 UTC 2019
Modified Files: src/sys/kern: subr_pool.c Log Message: Initialize pp->pr_redzone to false. For some reason with KUBSAN GCC does not eliminate the unused branch in pr_item_linkedlist_put(), and this leads to a unused uninitialized access which triggers KUBSAN messages. To generate a diff of this commit: cvs rdiff -u -r1.254 -r1.255 src/sys/kern/subr_pool.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/kern/subr_pool.c diff -u src/sys/kern/subr_pool.c:1.254 src/sys/kern/subr_pool.c:1.255 --- src/sys/kern/subr_pool.c:1.254 Sat Aug 3 09:31:07 2019 +++ src/sys/kern/subr_pool.c Fri Aug 16 10:41:35 2019 @@ -1,4 +1,4 @@ -/* $NetBSD: subr_pool.c,v 1.254 2019/08/03 09:31:07 maxv Exp $ */ +/* $NetBSD: subr_pool.c,v 1.255 2019/08/16 10:41:35 maxv Exp $ */ /* * Copyright (c) 1997, 1999, 2000, 2002, 2007, 2008, 2010, 2014, 2015, 2018 @@ -33,7 +33,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: subr_pool.c,v 1.254 2019/08/03 09:31:07 maxv Exp $"); +__KERNEL_RCSID(0, "$NetBSD: subr_pool.c,v 1.255 2019/08/16 10:41:35 maxv Exp $"); #ifdef _KERNEL_OPT #include "opt_ddb.h" @@ -767,6 +767,7 @@ pool_init(struct pool *pp, size_t size, pp->pr_drain_hook = NULL; pp->pr_drain_hook_arg = NULL; pp->pr_freecheck = NULL; + pp->pr_redzone = false; pool_redzone_init(pp, size); pool_quarantine_init(pp);