hammer2_mount: device="/dev/vn0" label="testvol" rdonly=0
hammer2_ondisk: "/dev/vn0" zone=0 id=0 offset=0x0000000000000000 size=0x0000000004000000
hammer2_mount: "/dev/vn0": no recovery needed
hammer2_mount: hmp=0xfffff80118548000 pmp=0xfffff80118e40000
HAMMER2: VOLDATA DUMP
HAMMER2: INITIATE SPANs
HAMMER2: CONN WAS TERMINATED
ADD LOCAL PFS (IOCTL): zz_pwn
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
v-chain 0xfffff801185c84c0 volume.0   0000000000000010 0000000000000000/0  mir=0000000000000011
      [00002000] (?) refs=1
f-chain 0xfffff801185c8640 freemap.0   0000000000000010 0000000000000000/0  mir=0000000000000011
      [00002000] (?) refs=1
ADD LOCAL PFS (IOCTL): zz_pwn
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
hammer2_mount: devstr="/dev/vn0@testvol"
hammer2_mount: device="/dev/vn0" label="testvol" rdonly=0
hammer2_ondisk: "/dev/vn0" zone=0 id=0 offset=0x0000000000000000 size=0x0000000004000000
hammer2_mount: "/dev/vn0": no recovery needed
hammer2_mount: hmp=0xfffff8011a1a0000 pmp=0xfffff80118702000
ADD LOCAL PFS (IOCTL): zz_pwn
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
v-chain 0xfffff8011a2204c0 volume.0   0000000000000010 0000000000000000/0  mir=0000000000000011
      [00002000] (?) refs=1
f-chain 0xfffff8011a220640 freemap.0   0000000000000010 0000000000000000/0  mir=0000000000000011
      [00002000] (?) refs=1
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
hammer2_mount: devstr="/dev/vn0@testvol"
hammer2_mount: device="/dev/vn0" label="testvol" rdonly=0
hammer2_ondisk: "/dev/vn0" zone=0 id=0 offset=0x0000000000000000 size=0x0000000004000000
hammer2_mount: "/dev/vn0": no recovery needed
hammer2_mount: hmp=0xfffff8011a1a0000 pmp=0xfffff80118902000
v-chain 0xfffff8011a2204c0 volume.0   0000000000000010 0000000000000000/0  mir=0000000000000011
      [00002000] (?) refs=1
f-chain 0xfffff8011a220640 freemap.0   0000000000000010 0000000000000000/0  mir=0000000000000011
      [00000000] (?) refs=1
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
hammer2_mount: devstr="/dev/vn0@testvol"
hammer2_mount: device="/dev/vn0" label="testvol" rdonly=0
hammer2_ondisk: "/dev/vn0" zone=0 id=0 offset=0x0000000000000000 size=0x0000000004000000
hammer2_mount: "/dev/vn0": no recovery needed
hammer2_mount: hmp=0xfffff8011a1a0000 pmp=0xfffff801199a0000
HAMMER2: VOLDATA DUMP
HAMMER2: INITIATE SPANs
HAMMER2: CONN WAS TERMINATED
panic: assertion "ripdata->meta.name_len < sizeof(pfs->name)" failed in hammer2_ioctl_pfs_get at /usr/src/sys/vfs/hammer2/hammer2_ioctl.c:494
cpuid = 3
Trace beginning at frame 0xfffff8011827f538
hammer2_ioctl() at hammer2_ioctl+0x22b8 0xffffffff80977c58 
hammer2_ioctl() at hammer2_ioctl+0x22b8 0xffffffff80977c58 
vop_ioctl() at vop_ioctl+0x63 0xffffffff8070a793 
vn_ioctl() at vn_ioctl+0xb1 0xffffffff807080e1 
mapped_ioctl() at mapped_ioctl+0x5fa 0xffffffff806a831a 
syscall2() at syscall2+0x11e 0xffffffff80bd6a0e 
Debugger("panic")

CPU3 stopping CPUs: 0x00000037
 stopped
Stopped at      Debugger+0x7c:  movb    $0,0xbdaf09(%rip)
db>