Re: "kernel BUG in update_and_free_pages_bulk" in Linux Kernel v6.12-rc4

[Muchun Song]

> On Jan 15, 2025, at 10:17, cheung wall <zzqq0103.hey@xxxxxxxxx> wrote:
> 
> Hello,
> 
> I am writing to report a potential vulnerability identified in the
> Linux Kernel version v6.12-rc4. This vulnerability was discovered
> while i was testing the kernel.

Thanks for your report. I'll fix it later.

Thanks,
Muchun

> 
> Linux Kernel Repository Git Commit:
> 42f7652d3eb527d03665b09edac47f85fb600924 (tag: v6.12-rc4)
> 
> Bug Location: update_and_free_pages_bulk+0x657/0x810 mm/hugetlb.c:1860
> 
> Bug report: https://pastebin.com/q8J3z5Gq
> 
> Entire Log: https://pastebin.com/AQF101kq
> 
> Thank you for your time and attention.
> 
> Best regards
> 
> Wall