"C#DT9o|{>'sb/8)*2DEX@?6.t KVfqoi١`ےVJ=뽩OJ(]08#Q3Ez~H@[!"C#DT9o|{>'sb/8)*2DEX@?6.t KVfqoi١`ےVJ=뽩OJ(]08#Q3Ez~H@[!panic: pool_do_get: vmsppl free list modified: page 0xfffffd806e8e9000; item addr 0xfffffd80c8cf8303; offset 0x0=0xffffffffffffffff != 0xb18362a0b4afa7ff Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *236162 21921 0 0x2 0 0K syz-executor.1 54568 1136 0 0x2 0x4000000 1 syz-fuzzer db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff824912bf) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828d94f8,9,ffff800021efb438) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828d94f8,9) at pool_get+0xeb sys/kern/subr_pool.c:581 uvmspace_fork(ffff800020dfcf80) at uvmspace_fork+0x64 uvmspace_alloc sys/uvm/uvm_map.c:3479 [inline] uvmspace_fork(ffff800020dfcf80) at uvmspace_fork+0x64 sys/uvm/uvm_map.c:4060 process_new(ffff800020e469d8,ffff800020dfcf80,1) at process_new+0x16f sys/kern/kern_fork.c:258 fork1(ffff800020e47ae8,1,ffffffff81c58340,0,ffff800021efb690,0) at fork1+0x31b sys/kern/kern_fork.c:377 syscall(ffff800021efb710) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021efb710) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbc6a0, count: 6 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs.