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| author | Andy Lutomirski <luto@kernel.org> | 2016-10-31 18:11:43 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-11-01 09:39:17 +0300 |
| commit | 405c0759712f57b680f66aee9c55cd06ad1cbdef (patch) | |
| tree | 3a93cb428043131fd231b348dbe469be9dfadc30 /security | |
| parent | 0c183d92b20b5c84ca655b45ef57b3318b83eb9e (diff) | |
| download | linux-405c0759712f57b680f66aee9c55cd06ad1cbdef.tar.xz | |
fork: Add task stack refcounting sanity check and prevent premature task stack freeing
If something goes wrong with task stack refcounting and a stack
refcount hits zero too early, warn and leak it rather than
potentially freeing it early (and silently).
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/f29119c783a9680a4b4656e751b6123917ace94b.1477926663.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'security')
0 files changed, 0 insertions, 0 deletions