panic: kernel diagnostic assertion "next != NULL && next->start <= entry->end" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1806 Starting stack trace... panic(ffffffff83371aaf) at panic+0x1d0 sys/kern/subr_prf.c:229 __assert(ffffffff833aba2c,ffffffff833081e6,70e,ffffffff83388de6) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_fault_unwire_locked(fffffd8065d5f218,200000000000,200000002000) at uvm_fault_unwire_locked+0x444 sys/uvm/uvm_fault.c:1803 uvm_fault_wire(fffffd8065d5f218,200000000000,200000010000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline] uvm_fault_wire(fffffd8065d5f218,200000000000,200000010000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748 uvm_vslock_device(ffff80002a38fa40,200000000000,10000,3,ffff80003c459048) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff82822000,d02,8000,ffffffff82822850,ffff80003c459328) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80003c459180) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd8078b32648,ffff80003c459328,0,fffffd80097fb478) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd806b8145e0,ffff80003c459328,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80002a38fa40,3,ffff80003c459328,1,ffff80003c4593e0) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff80002a38fa40,ffff80003c459490,ffff80003c4593e0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303 syscall(ffff80003c459490) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c459490) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x36e9875f660, count: 244 End of stack trace.