login: ¹j¼õ¬|ÿ ž¨E1\…:uvm_fault(0xffffffff83976e78, 0xffff8000246f2004, 0, 1) -> d kernel: page fault trap, code=0 Stopped at ffs_nodealloccg+0x13c: movl 0x4(%rbx),%r15d TID PID UID PRFLAGS PFLAGS CPU COMMAND 12614 45927 0 0x2 0 1 syz-executor *446535 57664 0 0x2 0 0K syz-executor ffs_nodealloccg(fffffd806f894978,0,0,41c0) at ffs_nodealloccg+0x13c ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_nodealloccg(fffffd806f894978,0,0,41c0) at ffs_nodealloccg+0x13c sys/ufs/ffs/ffs_alloc.c:1106 ffs_inode_alloc(fffffd806f894978,41c0,fffffd80097fd888,ffff80002a2ba2b8) at ffs_inode_alloc+0x20a ffs_hashalloc sys/ufs/ffs/ffs_alloc.c:814 [inline] ffs_inode_alloc(fffffd806f894978,41c0,fffffd80097fd888,ffff80002a2ba2b8) at ffs_inode_alloc+0x20a sys/ufs/ffs/ffs_alloc.c:390 ufs_mkdir(ffff80002a2ba320) at ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 VOP_MKDIR(fffffd806f78e978,ffff80002a2ba480,ffff80002a2ba4b0,ffff80002a2ba3b0) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 domkdirat(ffff80003c3e7a20,ffffff9c,7ab43bcb4590,1c0) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 syscall(ffff80002a2ba630) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2ba630) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ab43bcb4550, count: 8 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}> show panic *cpu0: uvm_fault(0xffffffff83976e78, 0xffff8000246f2004, 0, 1) -> d ddb{0}> trace ffs_nodealloccg(fffffd806f894978,0,0,41c0) at ffs_nodealloccg+0x13c ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_nodealloccg(fffffd806f894978,0,0,41c0) at ffs_nodealloccg+0x13c sys/ufs/ffs/ffs_alloc.c:1106 ffs_inode_alloc(fffffd806f894978,41c0,fffffd80097fd888,ffff80002a2ba2b8) at ffs_inode_alloc+0x20a ffs_hashalloc sys/ufs/ffs/ffs_alloc.c:814 [inline] ffs_inode_alloc(fffffd806f894978,41c0,fffffd80097fd888,ffff80002a2ba2b8) at ffs_inode_alloc+0x20a sys/ufs/ffs/ffs_alloc.c:390 ufs_mkdir(ffff80002a2ba320) at ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 VOP_MKDIR(fffffd806f78e978,ffff80002a2ba480,ffff80002a2ba4b0,ffff80002a2ba3b0) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 domkdirat(ffff80003c3e7a20,ffffff9c,7ab43bcb4590,1c0) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 syscall(ffff80002a2ba630) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2ba630) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ab43bcb4550, count: -7 ddb{0}>