`make test-busybox` fails at Macbook m5 air

[devarajabc]

On Apple M5 / macOS 26.4.1 (Darwin 25.4.0), every guest crashes on the first EL1 shim instruction.

━━━ Busybox 1.37.0 applet smoke tests ━━━

── Core utilities ──
echo           [ OK ]
printf         [ OK ]
cat            [ FAIL ] (pattern 'hello world' not found, rc=128)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

head           [ FAIL ] (pattern 'line1' not found, rc=128)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

tail           [ FAIL ] (pattern 'line5' not found, rc=128)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

wc             [ OK ]
sort           [ FAIL ] (pattern 'apple' not found, rc=128)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

uniq           [ OK ]
cut            [ OK ]
tr             [ FAIL ] (pattern 'HELLO' not found, rc=127)
  /Users/devaraja/Work/elfuse/tests/lib/test-runner.sh: line 169: timeout: command not found
sed            [ FAIL ] (pattern 'HELLO' not found, rc=127)
  /Users/devaraja/Work/elfuse/tests/lib/test-runner.sh: line 169: timeout: command not found
awk            [ OK ]
grep           [ FAIL ] (pattern 'hello' not found, rc=127)
  /Users/devaraja/Work/elfuse/tests/lib/test-runner.sh: line 169: timeout: command not found
true           [ FAIL ] (got 128, expected 0)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

false          [ FAIL ] (got 128, expected 1)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

sleep          [ FAIL ] (got 128, expected 0)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5


── File operations ──
cp             [ FAIL ] (got 128, expected 0)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

mv             [ FAIL ] (got 128, expected 0)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

rm             [ FAIL ] (got 128, expected 0)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

ln             [ FAIL ] (got 128, expected 0)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

mkdir          [ FAIL ] (got 128, expected 0)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

rmdir          [ FAIL ] (got 128, expected 0)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

touch          [ FAIL ] (got 128, expected 0)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

chmod          [ FAIL ] (got 128, expected 0)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

ls             [ FAIL ] (pattern 'hello.txt' not found, rc=128)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

stat           [ FAIL ] (pattern 'File:' not found, rc=128)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

du             [ OK ]
df             [ FAIL ] (pattern 'Filesystem' not found, rc=128)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

readlink       [ FAIL ] (pattern '/var/folders/n3/lfl52rq91zd_n25v6jmcpqf00000gn/T/tmp.ua1IwEXIgW/hello.txt' not found, rc=128)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

realpath       [ OK ]
basename       [ OK ]
dirname        [ OK ]
pwd            [ OK ]
dd             [ FAIL ] (got 128, expected 0)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

sync           [ FAIL ] (got 128, expected 0)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5


── Text processing ──
md5sum         [ OK ]
sha1sum        [ OK ]
sha256sum      [ OK ]
sha512sum      [ OK ]
od             [ OK ]
hexdump        [ OK ]
xxd            [ OK ]
base64         [ FAIL ] (pattern 'aGVsbG8gd29ybGQ' not found, rc=128)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

fold           [ OK ]
nl             [ OK ]
expand         [ OK ]
unexpand       [ OK ]
paste          [ OK ]
tac            [ FAIL ] (pattern 'line5' not found, rc=128)
  19:33:54 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

rev            [ FAIL ] (pattern 'dlrow olleh' not found, rc=128)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

comm           [ OK ]

── Math / misc ──
seq            [ OK ]
expr           [ OK ]
factor         [ FAIL ] (pattern '2 2 3' not found, rc=128)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

date           [ OK ]
uname          [ FAIL ] (pattern 'Linux' not found, rc=128)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

id             [ FAIL ] (pattern 'uid=' not found, rc=128)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

whoami         [ FAIL ] (pattern 'user' not found, rc=128)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

hostname       [ OK ]
env            [ FAIL ] (pattern 'PATH' not found, rc=128)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

test           [ OK ]

── Proc-backed applets ──
ps             [ FAIL ] (pattern 'COMMAND' not found, rc=128)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

uptime         [ FAIL ] (pattern 'load average' not found, rc=128)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

top            [ FAIL ] (pattern 'PID' not found, rc=128)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5


── Archive / compression ──
gzip           [ FAIL ] (got 128, expected 0)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

zcat           [ FAIL ] (pattern 'hello world' not found, rc=128)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

gunzip         [ FAIL ] (got 128, expected 0)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

tar            [ FAIL ] (got 128, expected 0)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

tar            [ FAIL ] (pattern 'tar-file.txt' not found, rc=128)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

bzip2          [ FAIL ] (got 128, expected 0)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

bzcat          [ FAIL ] (pattern 'bzip test data' not found, rc=128)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

bunzip2        [ FAIL ] (got 128, expected 0)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5


── Additional utilities ──
bc             [ OK ]
cmp            [ FAIL ] (got 128, expected 0)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

diff           [ FAIL ] (got 128, expected 1)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

strings        [ OK ]
find           [ OK ]

── Networking ──
nslookup       [ FAIL ] (pattern 'Address' not found, rc=128)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

wget           [ FAIL ] (pattern 'Example' not found, rc=128)
  19:33:55 ERROR src/syscall/proc.c:1699: elfuse: guest exception vec=0x100 ESR=0x2000000 FAR=0x0 ELR=0x100000 SPSR=0x3c5

ping           [ SKIP ] (needs raw socket / setuid)
nc             [ FAIL ] (pattern 'HTTP' not found, rc=127)
  tests/test-busybox.sh: line 85: timeout: command not found
telnet         [ SKIP ] (needs interactive terminal)

── Shell ──
ash            [ FAIL ] (pattern 'hello' not found, rc=127)
  /Users/devaraja/Work/elfuse/tests/lib/test-runner.sh: line 169: timeout: command not found
sh             [ FAIL ] (pattern 'hello' not found, rc=127)
  /Users/devaraja/Work/elfuse/tests/lib/test-runner.sh: line 169: timeout: command not found

make test-busybox fails 50/84;

Results: 32 passed, 50 failed, 2 skipped (of 84)
make: *** [test-busybox] Error 1

make check` unrunnable.

devaraja@Chi-Kuans-MacBook-Air-3 elfuse % make check
  AS      tests/hello.S
make: aarch64-none-elf-as: No such file or directory
make: *** [build/test-hello] Error 1