On Mon, Dec 23, 2024 at 11:34:58AM +0800, wzs wrote: > Hello, > when fuzzing the Linux Kernel, > i encountered several rare kernel warnings. > It seems that the warning is related to the kernel stack. > The versions in which this appeared are from Linux-6.8.0 to 6.13-rc3. > > The two warning messages I provide below are both from the latest > kernel version, Linux-6.13-rc3. > If you need warnings from other versions, I would be happy to provide > them as well. > > kernel config :https://pastebin.com/hGFvz9vz > console output1 :https://pastebin.com/7vBkDAvK > console output2 : https://pastebin.com/T8h3Hnrr I assume you booted with unwind_debug on the cmdline? This "warning" is harmless, in fact it's not a real WARNING, it's only a stack dump which is useful for debugging stack tracing issues. Can you share the dissassembly of vmw_send_msg? e.g. something like objdump -r --disassemble=vmw_send_msg vmwgfx.ko -- Josh
