7 Aug
2024
7 Aug
'24
6:58 p.m.
On Wed, 7 Aug 2024 18:33:35 +0100 Pedro Falcato pedro.falcato@gmail.com wrote:
is_madv_discard did its check wrong. MADV_ flags are not bitwise, they're normal sequential numbers. So, for instance: behavior & (/* ... */ | MADV_REMOVE)
tagged both MADV_REMOVE and MADV_RANDOM (bit 0 set) as discard operations. This is obviously incorrect, so use a switch statement instead.
Please describe the userspace-visible runtime effects of this bug?