Re: [syzbot] [mm?] kernel panic: corrupted stack end in userfaultfd_ioctl

From: syzbot
Date: Tue Jun 04 2024 - 09:04:13 EST


Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+5a1cb2c00e895afca87e@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 2ab79514 Merge tag 'cxl-fixes-6.10-rc3' of git://git.k..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=108249bc980000
kernel config: https://syzkaller.appspot.com/x/.config?x=48aeb395bedeb71f
dashboard link: https://syzkaller.appspot.com/bug?extid=5a1cb2c00e895afca87e
compiler: aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64
patch: https://syzkaller.appspot.com/x/patch.diff?x=14d60c26980000

Note: testing is done by a robot and is best-effort only.