SYZFAIL: setns(netns) failed

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 6228b488 ANDROID: ABI: update symbols to unisoc whitelist
git tree: android12-5.4
console output: https://syzkaller.appspot.com/x/log.txt?x=1328da82d00000
kernel config: https://syzkaller.appspot.com/x/.config?x=3c48afe0b88b8679
dashboard link: https://syzkaller.appspot.com/bug?extid=3e74c44a38cc247ba8a7
compiler: Debian clang version 11.0.1-2
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17efc4bcd00000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+3e74c4...@syzkaller.appspotmail.com

2021/02/23 03:11:01 result: hanged=false err=executor 5: 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)
SYZFAIL: setns(netns) failed
(errno 0: Success)
SYZFAIL: child failed
loop exited with status 67
[K[ [0;31m* [0;1;31m* [0m [0;31m* [0m] A start job is running for dev-ttyS0.device (23s / 1min 30s)[ 29.254524][ T767] cgroup1: Unknown subsys name 'perf_event'
[K[ [0;31m* [0;1;31m* [0m [0;31m* [0m] A start job is running for dev-ttyS0.device (23s / 1min 30s)[ 29.369916][ T767] bridge0: port 1(bridge_slave_0) entered blocking state
2021/02/23 03:11:03 executed programs: 423
2021/02/23 03:11:08 executed programs: 1457
2021/02/23 03:11:10 result: hanged=false err=executor 5: 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
[K[ [0;31m* [0;1;31m* [0m [0;31m* [0m] A start job is running for dev-ttyS0.device (24s / 1min 30s) [K[ [0;1;31m* [0m [0;31m* [0m] A start job is running for dev-ttyS0.device (24s / 1min 30s) [K[ [0m [0;31m* [0m] A start job is running for dev-ttyS0.device (25s / 1min 30s) [K[ [0;1;31m* [0m [0;31m* [0m] A start job is running for dev-ttyS0.device (26s / 1min 30s) [K[ [0;31m* [0;1;31m* [0m [0;31m* [0m] A start job is running for dev-ttyS0.device (26s / 1min 30s) [K[ [0;31m* [0;1;31m* [0m [0;31m* [0m] A start job is running for dev-ttyS0.device (27s / 1min 30s) [K[ [0;31m* [0;1;31m* [0m [0;31m* [0m] A start job is running for dev-ttyS0.device (27s / 1min 30s) [K[ [0;31m* [0;1;31m* [0m [0;31m* [0m] A start job is running for dev-ttyS0.device (28s / 1min 30s) [K[ [0;31m* [0;1;31m* [0m] A start job is running for dev-ttyS0.device (29s / 1min 30s) [K[ [0;31m* [0m] A start job is running for dev-ttyS0.device (29s / 1min 30s) [K[ [0;31m* [0;1;31m* [0m] A start job is running for dev-ttyS0.device (30s / 1min 30s) [K[ [0;31m* [0;1;31m* [0m [0;31m* [0m] A start job is running for dev-ttyS0.device (31s / 1min 30s) [K[ [0;31m* [0;1;31m* [0m [0;31m* [0m] A start job is running for dev-ttyS0.device (31s / 1min 30s) [K[ [0;31m* [0;1;31m* [0m [0;31m* [0m] A start job is running for dev-ttyS0.device (32s / 1min 30s)[ 38.077049][ T5880] cgroup1: Unknown subsys name 'perf_event'
[K[ [0;31m* [0;1;31m* [0m [0;31m* [0m] A start job is running for dev-ttyS0.device (32s / 1min 30s)[ 38.563778][ T90] device bridge_slave_0 left promiscuous mode


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