Subject: Re: BUG: using smp_processor_id() in preemptible code in tipc_crypto_xmit

From: syzbot <[email-masked]>
Date: Fri, 09 Oct 2020 03:58:09 -0700

syzbot suspects this issue was fixed by commit:

commit bb8872a1e6bc911869a729240781076ed950764b
Author: Tuong Lien <[email-masked]>
Date:   Sat Aug 29 19:37:55 2020 +0000

    tipc: fix using smp_processor_id() in preemptible

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=100f5bb8500000
start commit:   6a9dc5fd lib: Revert use of fallthrough pseudo-keyword in ..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=978db74cb30aa994
dashboard link: https://syzkaller.appspot.com/bug?extid=263f8c0d007dc09b2dda
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=131a8c96900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1747c605900000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: tipc: fix using smp_processor_id() in preemptible

For information about bisection process see: https://goo.gl/tpsmEJ#bisection