Re: KASAN: stack-out-of-bounds Write in end_buffer_read_sync

[Matthew Wilcox]

On Mon, Aug 19, 2024 at 08:50:48PM +0800, Hui Guo wrote:
> Hi Kernel Maintainers,
> Our tool found the following kernel bug "KASAN: stack-out-of-bounds
> Write in end_buffer_read_sync" on:
> HEAD Commit: 6b0f8db921abf0520081d779876d3a41069dab95 Merge tag
> 'execve-v6.11-rc4' of
> git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
> kernel config: https://github.com/androidAppGuard/KernelBugs/blob/main/6b0f8db921abf0520081d779876d3a41069dab95/.config
> repro log: https://github.com/androidAppGuard/KernelBugs/blob/main/6b0f8db921abf0520081d779876d3a41069dab95/d41d191102504ccfea2e8408a29f03973e4ccc81/repro.log
> syz repro: https://github.com/androidAppGuard/KernelBugs/blob/main/6b0f8db921abf0520081d779876d3a41069dab95/d41d191102504ccfea2e8408a29f03973e4ccc81/repro.prog
> 
> Please let me know if there is anything I can help.

You could bisect it to the commit that introduced the problem