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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 07:38:50 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 07:38:50 -0800 |
| commit | 1557d33007f63dd96e5d15f33af389378e5f2e54 (patch) | |
| tree | 06d05722b2ba5d2a67532f779fa8a88efe3c88f1 /security/tomoyo/realpath.c | |
| parent | 6ec22f9b037fc0c2e00ddb7023fad279c365324d (diff) | |
| parent | c656ae95d1c5c8ed5763356263ace2d03087efec (diff) | |
| download | kernel-crypto-1557d33007f63dd96e5d15f33af389378e5f2e54.tar.gz kernel-crypto-1557d33007f63dd96e5d15f33af389378e5f2e54.tar.xz kernel-crypto-1557d33007f63dd96e5d15f33af389378e5f2e54.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/sysctl-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/sysctl-2.6: (43 commits)
security/tomoyo: Remove now unnecessary handling of security_sysctl.
security/tomoyo: Add a special case to handle accesses through the internal proc mount.
sysctl: Drop & in front of every proc_handler.
sysctl: Remove CTL_NONE and CTL_UNNUMBERED
sysctl: kill dead ctl_handler definitions.
sysctl: Remove the last of the generic binary sysctl support
sysctl net: Remove unused binary sysctl code
sysctl security/tomoyo: Don't look at ctl_name
sysctl arm: Remove binary sysctl support
sysctl x86: Remove dead binary sysctl support
sysctl sh: Remove dead binary sysctl support
sysctl powerpc: Remove dead binary sysctl support
sysctl ia64: Remove dead binary sysctl support
sysctl s390: Remove dead sysctl binary support
sysctl frv: Remove dead binary sysctl support
sysctl mips/lasat: Remove dead binary sysctl support
sysctl drivers: Remove dead binary sysctl support
sysctl crypto: Remove dead binary sysctl support
sysctl security/keys: Remove dead binary sysctl support
sysctl kernel: Remove binary sysctl logic
...
Diffstat (limited to 'security/tomoyo/realpath.c')
| -rw-r--r-- | security/tomoyo/realpath.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c index 917f564cdab..18369d497eb 100644 --- a/security/tomoyo/realpath.c +++ b/security/tomoyo/realpath.c @@ -110,6 +110,15 @@ int tomoyo_realpath_from_path2(struct path *path, char *newname, spin_unlock(&dcache_lock); path_put(&root); path_put(&ns_root); + /* Prepend "/proc" prefix if using internal proc vfs mount. */ + if (!IS_ERR(sp) && (path->mnt->mnt_parent == path->mnt) && + (strcmp(path->mnt->mnt_sb->s_type->name, "proc") == 0)) { + sp -= 5; + if (sp >= newname) + memcpy(sp, "/proc", 5); + else + sp = ERR_PTR(-ENOMEM); + } } if (IS_ERR(sp)) error = PTR_ERR(sp); |