Comment 5 for bug 1997764

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Stefan Battmer (stefanbat) wrote (last edit ):

Since we observed a similar issue I would like to add, that it actually seems like the actual content of the network packet towards the last bytes seems to cause this issue. As stated by Felix it seems to matter that the last 32 or so bytes of the packet contain zeros. One crashdump we observed actually showed one of these zeros on the instruction stack thus it looked to me as the processor tried to execute one of these zeros as a cpu instruction. This can also be seen on the dmesg output of Felix's kernel_bug.txt:

invalid opcode: 0000 [#1] SMP NOPTI