SYZFAIL: netlink_send_ext: netlink read failed

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 29c52025 Linux 4.14.221
git tree: linux-4.14.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1334cc46d00000
kernel config: https://syzkaller.appspot.com/x/.config?x=83f668f81cfc5600
dashboard link: https://syzkaller.appspot.com/bug?extid=1eb40bc37200013752ad
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=161022cad00000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+1eb40b...@syzkaller.appspotmail.com

2021/02/21 20:20:39 result: hanged=false err=executor 0: exit status 67
(errno 9: Bad file descriptor)
SYZFAIL: netlink_send_ext: netlink read failed
(errno 0: Success)
SYZFAIL: child failed
loop exited with status 67


(errno 9: Bad file descriptor)
SYZFAIL: netlink_send_ext: netlink read failed
(errno 0: Success)
SYZFAIL: child failed
loop exited with status 67
2021/02/21 20:20:42 executed programs: 36
2021/02/21 20:20:46 result: hanged=false err=executor 0: exit status 67
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
SYZFAIL: netlink_send_ext: netlink read failed
(errno 0: Success)
SYZFAIL: child failed
loop exited with status 67


(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
SYZFAIL: netlink_send_ext: netlink read failed
(errno 0: Success)
SYZFAIL: child failed
loop exited with status 67
2021/02/21 20:20:48 executed programs: 339


---
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[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 255b58a2 Linux 4.19.176
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1228f8bcd00000
kernel config: https://syzkaller.appspot.com/x/.config?x=b270830ae46c1d6f
dashboard link: https://syzkaller.appspot.com/bug?extid=a101d18bc94b5551eca6
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17ac0fa6d00000

IMPORTANT: if you fix the issue, please add the following tag to the commit:

Reported-by: syzbot+a101d1...@syzkaller.appspotmail.com

2021/02/22 10:50:52 result: hanged=false err=executor 0: exit status 67
wrote=-1, want=40 (errno 9: Bad file descriptor)

(errno 9: Bad file descriptor)
SYZFAIL: netlink_send_ext: netlink read failed
(errno 0: Success)
SYZFAIL: child failed
loop exited with status 67

wrote=-1, want=40 (errno 9: Bad file descriptor)

(errno 9: Bad file descriptor)
SYZFAIL: netlink_send_ext: netlink read failed
(errno 0: Success)
SYZFAIL: child failed
loop exited with status 67

2021/02/22 10:50:59 executed programs: 125