DF-3157 / run.2.log
# DF-3157 PATCHED-kernel (fix.diff, kernel #3) verification matrix -- all # commands identical to baseline run.log probes. $ uname -v DragonFly 6.5-DEVELOPMENT #3: Mon Sep 7 09:32:17 UTC 2026 root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC $ for k in "3 0" "3 480" "3 481" "3 511" "0 32" "0 480" "0 481" "0 511" "0 8192" "100 0" "4294967295 0"; do /tmp/fhtest $k; done fhstat(3,0) = 0 -> ino=4384 size=1145258561 mode=100555 ... # in-range: still readable (documented residual) fhstat(3,480) = 0 -> ino=357968 size=1024 mode=40755 ... # last fully-in-cluster entry: OK fhstat(3,481) = -1 errno=22(Invalid argument) # OOB read: REJECTED fhstat(3,511) = -1 errno=22(Invalid argument) # OOB read: REJECTED fhstat(0,32) = 0 -> ino=4113 size=512 mode=100755 ... # real dirent: OK fhstat(0,480) = 0 -> ino=4127 size=0 mode=100755 ... # in-range root entry: OK fhstat(0,481) = -1 errno=22(Invalid argument) # OOB (root path): REJECTED fhstat(0,511) = -1 errno=22(Invalid argument) # OOB (root path): REJECTED fhstat(0,8192) = -1 errno=22(Invalid argument) # beyond root area: REJECTED fhstat(100,0) = 0 -> ino=5936 size=1024 mode=40755 ... # in-range cluster: still readable (residual) fhstat(4294967295,0) = -1 errno=22(Invalid argument) # cluster range: REJECTED $ /tmp/fhtest 0 32 write # in-range write must keep working futimes = 0 errno=0 / fchmod = 0 errno=0 $ /tmp/fhtest 0 32 ... mtime=1599999998 # legit dirent updated correctly $ /tmp/fhtest 3 511 write fhopen(3,511) errno=22(Invalid argument) # OOB WRITE: REJECTED $ DF3157_SRCPORT=800 /tmp/df3157 getattr 0 32 # baseline: PANIC 3/3 getattr: NFS status=70 # clean ESTALE, guest UP $ DF3157_SRCPORT=800 /tmp/df3157 setattr 0 511 1599999999 # baseline: nfsd wedge (no wedge; no crash) $ DF3157_SRCPORT=800 /tmp/df3157 null NULL -> OK (off=24) # nfsd healthy afterwards $ vm.sh status -> up (console clean, no dscheck, no traps)