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Groups > linux.kernel > #1248250
| From | Doug Anderson <dianders@chromium.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2] usb: dwc2: host: Fix use after free w/ simultaneous irqs |
| Date | 2015-10-16 01:40 +0200 |
| Message-ID | <qk0hP-555-1@gated-at.bofh.it> (permalink) |
| References | <qjDbA-4sf-3@gated-at.bofh.it> <qk08a-4Qv-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
John, On Thu, Oct 15, 2015 at 4:21 PM, John Youn <John.Youn@synopsys.com> wrote: > Passing a NULL qtd to some of the subcases will lead to a NULL > pointer dereference in that function or some function that it > calls. > > I think you could just check the qtd after each call and bail if > it's not ok. I worry a little bit about ignoring an interrupt that we've already acknowledged, but if you think that's safer I can certainly change the patch. -Doug -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH v2] usb: dwc2: host: Fix use after free w/ simultaneous irqs Douglas Anderson <dianders@chromium.org> - 2015-10-15 01:00 +0200
Re: [PATCH v2] usb: dwc2: host: Fix use after free w/ simultaneous irqs John Youn <John.Youn@synopsys.com> - 2015-10-16 01:30 +0200
Re: [PATCH v2] usb: dwc2: host: Fix use after free w/ simultaneous irqs Doug Anderson <dianders@chromium.org> - 2015-10-16 01:40 +0200
Re: [PATCH v2] usb: dwc2: host: Fix use after free w/ simultaneous irqs John Youn <John.Youn@synopsys.com> - 2015-10-16 10:00 +0200
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