panic: ffs_blkfree: bad size
Starting stack trace...
panic(ffffffff8342bc50) at panic+0x1ba sys/kern/subr_prf.c:229
ffs_blkfree(fffffd80634a4e00,1,4000) at ffs_blkfree+0xd4c sys/ufs/ffs/ffs_alloc.c:1285
ffs_indirtrunc(fffffd80634a4e00,fffffffffffffff4,206120,ffffffffffffffff,0,ffff80002a819308) at ffs_indirtrunc+0x7ba sys/ufs/ffs/ffs_inode.c:-1
ffs_truncate(fffffd80634a4e00,0,0,ffffffffffffffff) at ffs_truncate+0x1036 sys/ufs/ffs/ffs_inode.c:297
ufs_inactive(ffff80002a819460) at ufs_inactive+0x1ff sys/ufs/ufs/ufs_inode.c:84
VOP_INACTIVE(fffffd806df25440,ffff80003c9b9788) at VOP_INACTIVE+0xfb sys/kern/vfs_vops.c:498
vrele(fffffd806df25440) at vrele+0x120 sys/kern/vfs_subr.c:837
ktrsettrace(ffff80002a764008,80000c10,fffffd805edf6628,fffffd8007ffd7b8) at ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122
ktrops(ffff80003c9b9788,ffff80002a764008,0,80000c10,fffffd805edf6628,fffffd8007ffd7b8) at ktrops+0x26c sys/kern/kern_ktrace.c:573
doktrace(fffffd805edf6628,4,c10,0,ffff80003c9b9788) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline]
doktrace(fffffd805edf6628,4,c10,0,ffff80003c9b9788) at doktrace+0x6bd sys/kern/kern_ktrace.c:517
sys_ktrace(ffff80003c9b9788,ffff80002a8198c0,ffff80002a819810) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558
syscall(ffff80002a8198c0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a8198c0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x123f021b700, count: 244
End of stack trace.