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| author | Kees Cook <keescook@chromium.org> | 2015-02-17 13:48:00 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-17 14:34:55 -0800 |
| commit | 580c57f1076872ebc2427f898b927944ce170f2d (patch) | |
| tree | ae0b2110dbe5eeaf98778001bb1d320797c84140 /include | |
| parent | 3a9af0bd34410a255d27024ea1bc28dc4e3a0044 (diff) | |
| download | op-kernel-dev-580c57f1076872ebc2427f898b927944ce170f2d.zip op-kernel-dev-580c57f1076872ebc2427f898b927944ce170f2d.tar.gz | |
seccomp: cap SECCOMP_RET_ERRNO data to MAX_ERRNO
The value resulting from the SECCOMP_RET_DATA mask could exceed MAX_ERRNO
when setting errno during a SECCOMP_RET_ERRNO filter action. This makes
sure we have a reliable value being set, so that an invalid errno will not
be ignored by userspace.
Signed-off-by: Kees Cook <keescook@chromium.org>
Reported-by: Dmitry V. Levin <ldv@altlinux.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Will Drewry <wad@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions
