On Thu, May 15, 2025 at 08:15:32PM +0800, Shung-Hsi Yu wrote:
On Wed, May 14, 2025 at 03:04:16PM +0200, Greg Kroah-Hartman wrote:
This is the start of the stable review cycle for the 6.14.7 release. There are 197 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.
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Kees Cook kees@kernel.org mm: vmalloc: support more granular vrealloc() sizing
The above is causing a slow down in BPF verifier[1]. Assuming BPF selftests are somewhat representing of real world BPF programs, the slow down would be around 2x on average, but for an unrealistic worth-case it could go as high as 40x[2].
1: https://lore.kernel.org/stable/20250515041659.smhllyarxdwp7cav@desk/ 2: https://lore.kernel.org/stable/g4fpslyse2s6hnprgkbp23ykxn67q5wabbkpivuc3rro5...
Is this slowdown also in 6.15-rc right now? If so, let's work on fixing it there first.
thanks,
greg k-h