SYZFAIL: setns(netns) 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=167f4b88d00000
kernel config: https://syzkaller.appspot.com/x/.config?x=83f668f81cfc5600
dashboard link: https://syzkaller.appspot.com/bug?extid=50102bd3d2ddb583f69d
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=109866cad00000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+50102b...@syzkaller.appspotmail.com

2021/02/21 18:37:26 result: hanged=false err=executor 0: exit status 67
(errno 9: Bad file descriptor)
SYZFAIL: setns(netns) failed
(errno 0: Success)
SYZFAIL: child failed
loop exited with status 67


(errno 9: Bad file descriptor)
SYZFAIL: setns(netns) failed
(errno 0: Success)
SYZFAIL: child failed
loop exited with status 67
2021/02/21 18:37:28 executed programs: 41
2021/02/21 18:37:29 result: hanged=false err=executor 0: exit status 67
(errno 22: Invalid argument)
(errno 22: Invalid argument)
(errno 9: Bad file descriptor)
SYZFAIL: setns(netns) failed
(errno 0: Success)
SYZFAIL: child failed
loop exited with status 67


(errno 22: Invalid argument)
(errno 22: Invalid argument)
(errno 9: Bad file descriptor)
SYZFAIL: setns(netns) failed
(errno 0: Success)
SYZFAIL: child failed
loop exited with status 67
2021/02/21 18:37:33 executed programs: 357
2021/02/21 18:37:35 result: hanged=false err=executor 0: exit status 67
(errno 22: Invalid argument)
(errno 22: Invalid argument)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 22: Invalid argument)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 22: Invalid argument)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
SYZFAIL: setns(netns) failed
(errno 0: Success)
SYZFAIL: child failed
loop exited with status 67


(errno 22: Invalid argument)
(errno 22: Invalid argument)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 22: Invalid argument)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
(errno 22: Invalid argument)
(errno 9: Bad file descriptor)
(errno 9: Bad file descriptor)
SYZFAIL: setns(netns) failed
(errno 0: Success)
SYZFAIL: child failed
loop exited with status 67


---
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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=12055c0cd00000
kernel config: https://syzkaller.appspot.com/x/.config?x=b270830ae46c1d6f
dashboard link: https://syzkaller.appspot.com/bug?extid=cf2dc9da2fd40ee05f16
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=171b1cccd00000

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

Reported-by: syzbot+cf2dc9...@syzkaller.appspotmail.com

2021/02/22 00:48:59 executed programs: 183
2021/02/22 00:49:04 executed programs: 802
2021/02/22 00:49:08 result: hanged=false err=executor 0: exit status 67
(errno 22: Invalid argument)

SYZFAIL: setns(netns) failed
(errno 0: Success)
SYZFAIL: child failed
loop exited with status 67


(errno 22: Invalid argument)