[syzbot] No message after snapshot operation.

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Tetsuo Handa

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Jan 5, 2019, 5:34:25 AM1/5/19
to Dmitry Vyukov, syzkaller
One of reports from "no output from test machine (2)"
( https://syzkaller.appspot.com/text?tag=CrashLog&x=148fb4d3400000 )
says that the last output is from snapshot operation
(open("/dev/snapshot") and snapshot_ioctl(SNAPSHOT_FREEZE)).
I think that this action should be excluded from test targets.

Dmitry Vyukov

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Jan 6, 2019, 11:41:56 AM1/6/19
to Tetsuo Handa, syzkaller
Should be fixed by:
https://github.com/google/syzkaller/commit/ee332608e9ebc1d77675662fd8511ff94fd49acd
Identifying and fixing such cases is very important. Thanks.
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