diff options
| author | Alexey Dobriyan <adobriyan@gmail.com> | 2006-08-27 01:23:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-08-27 11:01:28 -0700 |
| commit | a2e0b56316fa90e137802fdad6a7c6a9b85c86c3 (patch) | |
| tree | b9ea6534c1e1e1dd6a0e24bdadebc9e4be147590 /Documentation/sysctl | |
| parent | cc36e7f124da139a819ad316c39d9dbcb5ba1897 (diff) | |
| download | op-kernel-dev-a2e0b56316fa90e137802fdad6a7c6a9b85c86c3.zip op-kernel-dev-a2e0b56316fa90e137802fdad6a7c6a9b85c86c3.tar.gz | |
[PATCH] Fix docs for fs.suid_dumpable
Sergey Vlasov noticed that there is not kernel.suid_dumpable, but
fs.suid_dumpable.
How KERN_SETUID_DUMPABLE ended up in fs_table[]? Hell knows...
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'Documentation/sysctl')
| -rw-r--r-- | Documentation/sysctl/fs.txt | 20 | ||||
| -rw-r--r-- | Documentation/sysctl/kernel.txt | 20 |
2 files changed, 20 insertions, 20 deletions
diff --git a/Documentation/sysctl/fs.txt b/Documentation/sysctl/fs.txt index 0b62c62..5c3a519 100644 --- a/Documentation/sysctl/fs.txt +++ b/Documentation/sysctl/fs.txt @@ -25,6 +25,7 @@ Currently, these files are in /proc/sys/fs: - inode-state - overflowuid - overflowgid +- suid_dumpable - super-max - super-nr @@ -131,6 +132,25 @@ The default is 65534. ============================================================== +suid_dumpable: + +This value can be used to query and set the core dump mode for setuid +or otherwise protected/tainted binaries. The modes are + +0 - (default) - traditional behaviour. Any process which has changed + privilege levels or is execute only will not be dumped +1 - (debug) - all processes dump core when possible. The core dump is + owned by the current user and no security is applied. This is + intended for system debugging situations only. Ptrace is unchecked. +2 - (suidsafe) - any binary which normally would not be dumped is dumped + readable by root only. This allows the end user to remove + such a dump but not access it directly. For security reasons + core dumps in this mode will not overwrite one another or + other files. This mode is appropriate when adminstrators are + attempting to debug problems in a normal environment. + +============================================================== + super-max & super-nr: These numbers control the maximum number of superblocks, and diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt index 7345c33..89bf8c2 100644 --- a/Documentation/sysctl/kernel.txt +++ b/Documentation/sysctl/kernel.txt @@ -50,7 +50,6 @@ show up in /proc/sys/kernel: - shmmax [ sysv ipc ] - shmmni - stop-a [ SPARC only ] -- suid_dumpable - sysrq ==> Documentation/sysrq.txt - tainted - threads-max @@ -310,25 +309,6 @@ kernel. This value defaults to SHMMAX. ============================================================== -suid_dumpable: - -This value can be used to query and set the core dump mode for setuid -or otherwise protected/tainted binaries. The modes are - -0 - (default) - traditional behaviour. Any process which has changed - privilege levels or is execute only will not be dumped -1 - (debug) - all processes dump core when possible. The core dump is - owned by the current user and no security is applied. This is - intended for system debugging situations only. Ptrace is unchecked. -2 - (suidsafe) - any binary which normally would not be dumped is dumped - readable by root only. This allows the end user to remove - such a dump but not access it directly. For security reasons - core dumps in this mode will not overwrite one another or - other files. This mode is appropriate when adminstrators are - attempting to debug problems in a normal environment. - -============================================================== - tainted: Non-zero if the kernel has been tainted. Numeric values, which |
