xenbus: Fix handling of requests with xsd_sockmsg.len = 0 for socket connections - #30
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…connections Following the report at https://lore.kernel.org/xen-devel/CAFLBxZaeTMcF4tcV45MJdCVx4A6qbzQdjKei_Quh_iLrtARVFA@mail.gmail.com/ Without this fix, the backend would be stuck waiting on the zero-sized body until the next request comes in. Instead return the request immediately after reading the header, there's no need to wait for another call to .has_more_input and .input Reported-by: George Dunlap <dunlapg@umich.edu> Signed-off-by: Andrii Sultanov <andriy.sultanov@vates.tech>
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corresponding patch to the xen tree posted here: https://lore.kernel.org/xen-devel/1783598431.8631fc262581453bbf619ec5b2062170.19f46c03b15000edb5@vates.tech/T/#u |
psafont
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Jul 9, 2026
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Following the report at https://lore.kernel.org/xen-devel/CAFLBxZaeTMcF4tcV45MJdCVx4A6qbzQdjKei_Quh_iLrtARVFA@mail.gmail.com/
Without this fix, the backend would be stuck waiting on the zero-sized body until the next request comes in.
Instead return the request immediately after reading the header, there's no need to wait for another call to .has_more_input and .input