panic: kernel diagnostic assertion "pg->wire_count != 0" failed: file "/syzkaller/managers/main/kernel/sys/uvm/uvm_page.c", line 1250 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8341666f) at panic+0x1cf sys/kern/subr_prf.c:198 __assert(ffffffff834502b5,ffffffff8343abe6,4e2,ffffffff833a985f) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageunwire(fffffd80079a3e80) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1249 uvm_fault_unwire_locked(fffffd806d7a0d08,82f4a9c4000,82f4a9c5000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790 uvm_unmap_kill_entry_withlock(fffffd806d7a0d08,fffffd806cce5be8,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1866 uvm_map_teardown(fffffd806d7a0d08) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd806d7a0d08) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497 exit1(ffff80003c90b4e0,0,0,1) at exit1+0x6e6 sys/kern/kern_exit.c:259 sys_exit(ffff80003c90b4e0,ffff80003c8f7670,ffff80003c8f75c0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c8f7670) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c8f7670) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x788c804952b0, count: 4 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs.