Re: [syzbot] [net?] BUG: sleeping function called from invalid context in pcpu_alloc_noprof

[syzbot]

syzbot has bisected this issue to:

commit 169fd62799e8acabbfb4760799be11138ced949c
Author: Kuniyuki Iwashima <kuniyu@xxxxxxxxxx>
Date:   Fri Apr 18 00:03:56 2025 +0000

    ipv6: Get rid of RTNL for SIOCADDRT and RTM_NEWROUTE.

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=169578d4580000
start commit:   836b313a14a3 ipv4: Honor "ignore_routes_with_linkdown" sys..
git tree:       net-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=159578d4580000
console output: https://syzkaller.appspot.com/x/log.txt?x=119578d4580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=734b5f968169d82b
dashboard link: https://syzkaller.appspot.com/bug?extid=bcc12d6799364500fbec
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=147be0f4580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=127be0f4580000

Reported-by: syzbot+bcc12d6799364500fbec@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 169fd62799e8 ("ipv6: Get rid of RTNL for SIOCADDRT and RTM_NEWROUTE.")

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