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| author |  peterz@infradead.org <peterz@infradead.org>
| 2023-09-21 12:45:09 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org>
| 2023-09-21 19:22:06 +0200 |
| commit | 698eb826383616ce0e817d2384da6413d1439fb6 (patch) | |
| tree | bd22f2fa7f6a8a57253b9040778f5d12f5c43228 /arch/x86/entry | |
| parent | futex: Flag conversion (diff) | |
| download | linux-698eb826383616ce0e817d2384da6413d1439fb6.tar.gz linux-698eb826383616ce0e817d2384da6413d1439fb6.tar.bz2 linux-698eb826383616ce0e817d2384da6413d1439fb6.zip | |
futex: Validate futex value against futex size
Ensure the futex value fits in the given futex size. Since this adds a
constraint to an existing syscall, it might possibly change behaviour.
Currently the value would be truncated to a u32 and any high bits
would get silently lost.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20230921105247.828934099@noisy.programming.kicks-ass.net
Diffstat (limited to 'arch/x86/entry')
0 files changed, 0 insertions, 0 deletions