Module Name: src Committed By: martin Date: Mon Apr 18 10:54:21 UTC 2022
Modified Files: src/sys/fs/udf [netbsd-9]: udf_allocation.c Log Message: Pull up following revision(s) (requested by reinoud in ticket #1437): sys/fs/udf/udf_allocation.c: revision 1.46 Revere modification of initializer; it can lead to race conditions where two allocation would pick the `empty' space causing a panic later on. To generate a diff of this commit: cvs rdiff -u -r1.40.4.1 -r1.40.4.2 src/sys/fs/udf/udf_allocation.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/fs/udf/udf_allocation.c diff -u src/sys/fs/udf/udf_allocation.c:1.40.4.1 src/sys/fs/udf/udf_allocation.c:1.40.4.2 --- src/sys/fs/udf/udf_allocation.c:1.40.4.1 Sun Mar 13 09:48:32 2022 +++ src/sys/fs/udf/udf_allocation.c Mon Apr 18 10:54:21 2022 @@ -1,4 +1,4 @@ -/* $NetBSD: udf_allocation.c,v 1.40.4.1 2022/03/13 09:48:32 martin Exp $ */ +/* $NetBSD: udf_allocation.c,v 1.40.4.2 2022/04/18 10:54:21 martin Exp $ */ /* * Copyright (c) 2006, 2008 Reinoud Zandijk @@ -28,7 +28,7 @@ #include <sys/cdefs.h> #ifndef lint -__KERNEL_RCSID(0, "$NetBSD: udf_allocation.c,v 1.40.4.1 2022/03/13 09:48:32 martin Exp $"); +__KERNEL_RCSID(0, "$NetBSD: udf_allocation.c,v 1.40.4.2 2022/04/18 10:54:21 martin Exp $"); #endif /* not lint */ @@ -863,8 +863,8 @@ udf_search_free_vatloc(struct udf_mount ump->vat_entries++; } - /* mark entry with initialiser just in case */ - lb_map = udf_rw32(0xffffffff); + /* mark entry with non free-space initialiser just in case */ + lb_map = udf_rw32(0xfffffffe); udf_vat_write(ump->vat_node, (uint8_t *) &lb_map, 4, ump->vat_offset + lb_num *4); ump->vat_last_free_lb = lb_num;