panic: ffs_blkfree: bad size
Starting stack trace...
panic(ffffffff834675a0) at panic+0x1d0 sys/kern/subr_prf.c:229
ffs_blkfree(fffffd807c1d8288,4,4000) at ffs_blkfree+0xd4c sys/ufs/ffs/ffs_alloc.c:1285
ffs_indirtrunc(fffffd807c1d8288,fffffffffffffff4,98800,15,0,ffff80002a2c9c28) at ffs_indirtrunc+0x7ca sys/ufs/ffs/ffs_inode.c:-1
ffs_truncate(fffffd807c1d8288,87fb9,0,fffffd80097fd6e8) at ffs_truncate+0x103f sys/ufs/ffs/ffs_inode.c:297
ffs_write(ffff80002a2c9df0) at ffs_write+0xb9a sys/ufs/ffs/ffs_vnops.c:401
VOP_WRITE(fffffd806e9a73b0,ffff80002a2c9ea0,3,fffffd80097fd6e8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
ktrwriteraw(ffff8000ffffd4c8,fffffd806e9a73b0,fffffd80097fd6e8,ffff80002a2c9f70,ffff80002a2c9f50) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691
ktrsysret(ffff8000ffffd4c8,89,0,ffff80002a2ca040) at ktrsysret+0x192 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrsysret(ffff8000ffffd4c8,89,0,ffff80002a2ca040) at ktrsysret+0x192 sys/kern/kern_ktrace.c:209
syscall(ffff80002a2ca0f0) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline]
syscall(ffff80002a2ca0f0) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7a9bb7dae3e0, count: 247
End of stack trace.