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prog: intermittent test failure #1097

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ajdlinux opened this issue Mar 31, 2019 · 2 comments

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commented Mar 31, 2019

The following was observed once when building and testing on a ppc64le host, but didn't occur when tested for a second time. (Host running: Ubuntu 18.04.2, go 1.11.5 (gophers PPA), gcc 7.3.0 (distro))

panic: call ioctl$BIOCGETIF: pointer arg 'buffer' has output direction [recovered]
        panic: call ioctl$BIOCGETIF: pointer arg 'buffer' has output direction

goroutine 249 [running]:
testing.tRunner.func1(0xc0007a2600)
        /usr/lib/go-1.11/src/testing/testing.go:792 +0x344
panic(0x1fc6a0, 0xc00099bd10)
        /usr/lib/go-1.11/src/runtime/panic.go:513 +0x1bc
github.com/google/syzkaller/prog.(*Prog).debugValidate(0xc0014a6bc0)
        /home/ajd/syzkaller/gopath/src/github.com/google/syzkaller/prog/validation.go:19 +0x70
github.com/google/syzkaller/prog.(*Target).Generate(0xc000087860, 0x3ba360, 0xc002bc7500, 0xa, 0x0, 0xc0014a6300)
        /home/ajd/syzkaller/gopath/src/github.com/google/syzkaller/prog/generation.go:25 +0x2ac
github.com/google/syzkaller/prog.TestMutateRandom.func1(0xc0007a2600, 0xc000087860, 0x3ba360, 0xc002bc7500, 0x6)
        /home/ajd/syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation_test.go:31 +0x1a0
github.com/google/syzkaller/prog.testEachTargetRandom.func1(0xc0007a2600)
        /home/ajd/syzkaller/gopath/src/github.com/google/syzkaller/prog/export_test.go:88 +0x90
testing.tRunner(0xc0007a2600, 0xc0011a1d70)
        /usr/lib/go-1.11/src/testing/testing.go:827 +0xc0
created by testing.(*T).Run
        /usr/lib/go-1.11/src/testing/testing.go:878 +0x2e8
FAIL    github.com/google/syzkaller/prog        9.506s
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commented Mar 31, 2019

@dvyukov dvyukov closed this in 162bd26 Apr 1, 2019

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commented Apr 1, 2019

Thanks for the report! Should be fixed now.

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