Fixing runc panic during hugetlb pages #1116
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Signed-off-by: rajasec <rajasec79@gmail.com> Fixing runc panic during hugetlb pages Signed-off-by: rajasec <rajasec79@gmail.com>
cyphar
reviewed
Oct 15, 2016
| Pagesize: *l.Pagesize, | ||
| Limit: *l.Limit, | ||
| }) | ||
| if l.Pagesize != nil && l.Limit != nil { |
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I feel like "hugepage_limits": [{}] should be an error, not just ignored. But I'm not really sure.
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Maybe just error out when only one of l.Pagesize and l.Limit is defined.
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LGTM |
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LGTM |
This was referenced Jan 6, 2017
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When hugetlb ( either pageSize or limit) configs were missing, runc panics. Added nil check to fix.
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xb code=0x1 addr=0x0 pc=0x56b09c]
goroutine 1 [running]:
panic(0x7ca4e0, 0xc8200100e0)
/home/raj/go/src/runtime/panic.go:481 +0x3e6
github.com/urfave/cli.HandleAction.func1(0xc8200a72f8)
/home/raj/go/pkg/src/github.com/opencontainers/runc/Godeps/_workspace/src/github.com/urfave/cli/app.go:478 +0x38e
panic(0x7ca4e0, 0xc8200100e0)
/home/raj/go/src/runtime/panic.go:443 +0x4e9
github.com/opencontainers/runc/libcontainer/specconv.createCgroupConfig(0x7ffea64bc585, 0x2, 0x0, 0xc8200c8000, 0xc8200c4860, 0x0, 0x0)
/home/raj/go/pkg/src/github.com/opencontainers/runc/Godeps/_workspace/src/github.com/opencontainers/runc/libcontainer/specconv/spec_linux.go:443 +0x15ec
github.com/opencontainers/runc/libcontainer/specconv.CreateLibcontainerConfig(0xc8200a6b88, 0x855bc0, 0x0, 0x0)
/home/raj/go/pkg/src/github.com/opencontainers/runc/Godeps/_workspace/src/github.com/opencontainers/runc/libcontainer/specconv/spec_linux.go:208 +0x10a0
main.createContainer(0xc820088a00, 0x7ffea64bc585, 0x2, 0xc8200c8000, 0x0, 0x0, 0x0, 0x0)
/home/raj/go/pkg/src/github.com/opencontainers/runc/utils_linux.go:177 +0x144
main.startContainer(0xc820088a00, 0xc8200c8000, 0x0, 0x0, 0x0, 0x0)
/home/raj/go/pkg/src/github.com/opencontainers/runc/utils_linux.go:294 +0x189
main.glob.func13(0xc820088a00, 0x0, 0x0)
/home/raj/go/pkg/src/github.com/opencontainers/runc/run.go:66 +0x77
reflect.Value.call(0x74cc40, 0x8fdc08, 0x13, 0x8446b0, 0x4, 0xc8200a7278, 0x1, 0x1, 0x0, 0x0, ...)
/home/raj/go/src/reflect/value.go:435 +0x120d
reflect.Value.Call(0x74cc40, 0x8fdc08, 0x13, 0xc8200a7278, 0x1, 0x1, 0x0, 0x0, 0x0)
/home/raj/go/src/reflect/value.go:303 +0xb1
github.com/urfave/cli.HandleAction(0x74cc40, 0x8fdc08, 0xc820088a00, 0x0, 0x0)
/home/raj/go/pkg/src/github.com/opencontainers/runc/Godeps/_workspace/src/github.com/urfave/cli/app.go:487 +0x2ee
github.com/urfave/cli.Command.Run(0x848538, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x89c7e0, 0x1a, 0x0, ...)
/home/raj/go/pkg/src/github.com/opencontainers/runc/Godeps/_workspace/src/github.com/urfave/cli/command.go:191 +0xfec
github.com/urfave/cli.(*App).Run(0xc820001800, 0xc82000a180, 0x3, 0x3, 0x0, 0x0)
/home/raj/go/pkg/src/github.com/opencontainers/runc/Godeps/_workspace/src/github.com/urfave/cli/app.go:240 +0xaa4
main.main()
/home/raj/go/pkg/src/github.com/opencontainers/runc/main.go:137 +0xe24
Signed-off-by: rajasec rajasec79@gmail.com