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| author | dyson <dyson@FreeBSD.org> | 1996-07-27 18:28:10 +0000 |
|---|---|---|
| committer | dyson <dyson@FreeBSD.org> | 1996-07-27 18:28:10 +0000 |
| commit | 3695a870502202d13641117fb57133ae5673a942 (patch) | |
| tree | 99d9cf47f52053ca0ce75820829a029a1256187c /sys/fs/procfs | |
| parent | 2fbfe9777527db14a4afa673e11a9d9a438b4c4a (diff) | |
| download | FreeBSD-src-3695a870502202d13641117fb57133ae5673a942.zip FreeBSD-src-3695a870502202d13641117fb57133ae5673a942.tar.gz | |
Under certain circumstances, reading the /proc/*/map file can
crash the system. Nonexistant objects were not handled correctly.
Diffstat (limited to 'sys/fs/procfs')
| -rw-r--r-- | sys/fs/procfs/procfs_map.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/fs/procfs/procfs_map.c b/sys/fs/procfs/procfs_map.c index 0a586bf..ef71909 100644 --- a/sys/fs/procfs/procfs_map.c +++ b/sys/fs/procfs/procfs_map.c @@ -36,7 +36,7 @@ * * @(#)procfs_status.c 8.3 (Berkeley) 2/17/94 * - * $Id: procfs_map.c,v 1.1 1996/06/17 22:53:27 dyson Exp $ + * $Id: procfs_map.c,v 1.2 1996/06/18 05:15:59 dyson Exp $ */ #include <sys/param.h> @@ -128,7 +128,7 @@ procfs_domap(curp, p, pfs, uio) for( lobj = tobj = obj; tobj; tobj = tobj->backing_object) lobj = tobj; - switch(lobj->type) { + if (lobj) switch(lobj->type) { default: case OBJT_DEFAULT: @@ -143,7 +143,10 @@ case OBJT_SWAP: case OBJT_DEVICE: type = "device"; break; + } else { + type = "none"; } + /* * format: |
