test-ptrace01.c test fails with exit status 1 (waitpid(): No child processes)

[Apteryks]

Expected Behavior

The test should pass.

Actual Behavior

The test seems to fail due to waitpid(): No child processes. See the output below.

Steps to Reproduce the Problem

1. Run the test suite with: make check -C test V=1 -j 4.

Specifications

• Proot/Care version: v5.2.0-alpha tag
• Kernel version: 5.12.9-gnu x86_64
• Host distribution: Guix System
• Guest distribution: N/A

Using the following build inputs:

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Command Output

if [ -e /tmp/guix-build-proot-5.2.0-alpha.drv-0/source/test//rootfs/bin/test-ptrace01 ]; then /tmp/guix-build-proot-5.2.0-alpha.drv-0/source/test//../src/proot -b /proc -r /tmp/guix-build-proot-5.2.0-alpha.drv-0/source/test//rootfs /bin/test-ptrace01 ; case "$?" in 0)   echo "  CHECK	test-ptrace01 ok";; 125) echo "  CHECK	test-ptrace01 skipped";; *)   echo "  CHECK	test-ptrace01 FAILED"; touch failure ;; esac else echo "  CHECK	test-ptrace01 skipped"; fi
+ cat_result=1
+ readlink dl1/r3/.
+ readlink_result=1
+ echo 'dl1/r3/., 1, 1, 1'
+ for c in ${x4} ""
+ x=dl1/r3/..
++ cd dl1/r3/..
+ cd_result=1
+ cat dl1/r3/..
+ cat_result=1
+ readlink dl1/r3/..
+ readlink_result=1
+ echo 'dl1/r3/.., 1, 1, 1'
+ for c in ${x4} ""
+ x=dl1/r3
++ cd dl1/r3
+ cd_result=1
+ cat dl1/r3
+ cat_result=1
+ readlink dl1/r3
+ readlink_result=1
+ echo 'dl1/r3, 1, 1, 1'
+ for b in ${x3}
+ make_tests dl1/d3
+ for c in ${x4} ""
+ x=dl1/d3/
++ cd dl1/d3/
+ cd_result=1
+ cat dl1/d3/
waitpid(): No child processes
+ cat_result=1
+ readlink dl1/d3/

[oxr463]

@Apteryks can you test again on the latest v5.3.0 release?

[Apteryks]

See: https://github.com/proot-me/proot/issues/286#issuecomment-1019532072.