uvm_fault(0xfffff9006fbd67W8, 0x98,S0, 1) >OT LOWfERaD OpNa gSeY SCALlt i9 sup0 Eisor0 3 oStopped at savectx+0xae: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND *296711 21379 0 0 0 0 syz-executor 365123 21379 0 0 0x4000000 1 syz-executor savectx() at savectx+0xae end of kernel end trace frame: 0x6ffc728788c0, count: 14 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}>