Re: [syzbot] [mm?] possible deadlock in free_pcppages_bulk

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It is not safe to call printk() with zone->lock held.

Closing this report because "mm: page_alloc: consolidate free page accounting"
was removed from linux-next tree.

#syz invalid

On 2023/09/22 2:08, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    dfa449a58323 Add linux-next specific files for 20230915
> git tree:       linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=110f76f8680000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=e204dda2e58397ec
> dashboard link: https://syzkaller.appspot.com/bug?extid=27f8c9169772defbdde9
> compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
> 
> Unfortunately, I don't have any reproducer for this issue yet.
> 
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/34f9995871ed/disk-dfa449a5.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/95e2e1c3ab9e/vmlinux-dfa449a5.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/cfc6db9684d4/bzImage-dfa449a5.xz
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+27f8c9169772defbdde9@xxxxxxxxxxxxxxxxxxxxxxxxx





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