uvm_fault(0xffffef806cf1ab88, 0x44, 0, 2) -> e fatal page fault in supervisor mode trap type 6 code 2 rip ffffffff826f4c39 cs 8 rflags 10246 cr2 44 cpl 9 rsp ffff80003c411d00 gsbase 0xffffffff83934ff0 kgsbase 0x0 panic: trap type 6, code=2, pc=ffffffff826f4c39 Starting stack trace... panic(ffffffff834f0256) at panic+0x1d0 sys/kern/subr_prf.c:229 kerntrap(ffff80003c411c50) at kerntrap+0x30b alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b in_pcbhash_insert(ffffef800d33ca50) at in_pcbhash_insert+0x159 sys/netinet/in_pcb.c:1096 in_pcballoc(ffff8000015acc60,ffffffff83af89d8,1) at in_pcballoc+0x24c sys/netinet/in_pcb.c:269 rip_attach(ffff8000015acc60,1,1) at rip_attach+0x117 sys/netinet/raw_ip.c:489 socreate(2,ffff80003c411ef0,3,1) at socreate+0x238 pru_attach sys/sys/protosw.h:275 [inline] socreate(2,ffff80003c411ef0,3,1) at socreate+0x238 sys/kern/uipc_socket.c:220 sys_socket(ffff80002a22b4d8,ffff80003c412040,ffff80003c411f90) at sys_socket+0x124 sys/kern/uipc_syscalls.c:102 syscall(ffff80003c412040) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c412040) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8970f523bd0, count: 247 End of stack trace. WARNING: SPL NOT LOWERED ON SYSCALL 83 334415616 EXIT 0 9 Stopped at savectx+0xae: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND * 31673 20952 0 0 0 0 syz-executor savectx() at savectx+0xae end of kernel end trace frame: 0x7f230a9cda70, 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}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}>