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| author | rwatson <rwatson@FreeBSD.org> | 2003-08-14 15:26:44 +0000 |
|---|---|---|
| committer | rwatson <rwatson@FreeBSD.org> | 2003-08-14 15:26:44 +0000 |
| commit | 941eda46ed7265c222950da5f31fad99560efa06 (patch) | |
| tree | b13da3bdd531dc7de4c1cdb360680f715a8eec50 /sys/fs | |
| parent | 30892cac87d9df43868e7472d8dfc5aac4cd25b4 (diff) | |
| download | FreeBSD-src-941eda46ed7265c222950da5f31fad99560efa06.zip FreeBSD-src-941eda46ed7265c222950da5f31fad99560efa06.tar.gz | |
Add p_candebug() check to access a process map file in procfs; limit
access to map information for processes that you wouldn't otherwise
have debug rights on.
Tested by: bms
Diffstat (limited to 'sys/fs')
| -rw-r--r-- | sys/fs/procfs/procfs_map.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/fs/procfs/procfs_map.c b/sys/fs/procfs/procfs_map.c index cae1fc4..3808145 100644 --- a/sys/fs/procfs/procfs_map.c +++ b/sys/fs/procfs/procfs_map.c @@ -80,6 +80,12 @@ procfs_doprocmap(PFS_FILL_ARGS) GIANT_REQUIRED; + PROC_LOCK(p); + error = p_candebug(td, p); + PROC_UNLOCK(p); + if (error) + return (error); + if (uio->uio_rw != UIO_READ) return (EOPNOTSUPP); |
