WARNING: can't dereference registers at (null) for ip ret_from_intr

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 13d2ce42 Linux 4.19.163
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=13f92287500000
kernel config: https://syzkaller.appspot.com/x/.config?x=fac7c3360835a4e0
dashboard link: https://syzkaller.appspot.com/bug?extid=f6bee1585c1f0ccd8ef4
compiler: gcc (GCC) 10.1.0-syz 20200507

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+f6bee1...@syzkaller.appspotmail.com

WARNING: can't dereference registers at (null) for ip ret_from_intr+0xb/0x1e
Started in network mode
Own node identity 9d8, cluster identity 4711
32-bit node address hash set to 9d8


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[syzbot]

syzbot has found a reproducer for the following issue on:

HEAD commit: 13d2ce42 Linux 4.19.163
git tree: linux-4.19.y

console output: https://syzkaller.appspot.com/x/log.txt?x=17ff5123500000

kernel config: https://syzkaller.appspot.com/x/.config?x=fac7c3360835a4e0
dashboard link: https://syzkaller.appspot.com/bug?extid=f6bee1585c1f0ccd8ef4
compiler: gcc (GCC) 10.1.0-syz 20200507

syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14b43487500000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=115a2f17500000