Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+a8e049cd3abd342936b6@xxxxxxxxxxxxxxxxxxxxxxxxx Tested on: commit: 573ae4f1 tee: add overflow check in register_shm_helpe.. 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=1334aaeb080000 kernel config: https://syzkaller.appspot.com/x/.config?x=d9d854f607a68b32 dashboard link: https://syzkaller.appspot.com/bug?extid=a8e049cd3abd342936b6 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=117e96d3080000 Note: testing is done by a robot and is best-effort only.
