Re: [syzbot] UBSAN: shift-out-of-bounds in profile_init

From: syzbot
Date: Fri Jul 16 2021 - 12:19:20 EST


Hello,

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

Reported-and-tested-by: syzbot+e68c89a9510c159d9684@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: d936eb23 Revert "Makefile: Enable -Wimplicit-fallthrou..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=7d53336580099d6
dashboard link: https://syzkaller.appspot.com/bug?extid=e68c89a9510c159d9684
compiler:
patch: https://syzkaller.appspot.com/x/patch.diff?x=16750fe2300000

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