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Add p_candebug() check to access a process map file in procfs; limit

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access to map information for processes that you wouldn't otherwise
have debug rights on.

Tested by:	bms
This commit is contained in:
Robert Watson 2003-08-14 15:26:44 +00:00
parent 7bc56ec444
commit 946e86b7e1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=118907
1 changed files with 6 additions and 0 deletions
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6
sys/fs/procfs/procfs_map.c
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@ -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);