halfempty: Hangs when using musl libc

When using halfempty 0.40 on Linux 5.9.8/musl 1.1.24/glib 2.66.2 from Void Linux, the test suite gets stuck, e.g. on the grep example.

Valgrind shows that close(-1) is executed, which points me to cleanup_orphaned_tasks.

Sample run with debugging output (limited to one thread for clarity):

G_MESSAGES_DEBUG=all ../halfempty -P 1 --cleanup-threads=1 grep.sh grep.in 
$ G_MESSAGES_DEBUG=all ../halfempty -P 1 --cleanup-threads=1 grep.sh grep.in
** (process:18916): DEBUG: 22:49:07.296: configuring default rlimits for child process
** (process:18916): DEBUG: 22:49:07.296: Configured rlimit RLIMIT_CPU => { 18446744073709551615, 18446744073709551615 }
** (process:18916): DEBUG: 22:49:07.296: Configured rlimit RLIMIT_FSIZE => { 18446744073709551615, 18446744073709551615 }
** (process:18916): DEBUG: 22:49:07.296: Configured rlimit RLIMIT_DATA => { 18446744073709551615, 18446744073709551615 }
** (process:18916): DEBUG: 22:49:07.296: Configured rlimit RLIMIT_STACK => { 8388608, 18446744073709551615 }
** (process:18916): DEBUG: 22:49:07.296: Configured rlimit RLIMIT_CORE => { 0, 18446744073709551615 }
** (process:18916): DEBUG: 22:49:07.296: Configured rlimit RLIMIT_RSS => { 18446744073709551615, 18446744073709551615 }
** (process:18916): DEBUG: 22:49:07.296: Configured rlimit RLIMIT_NPROC => { 62081, 62081 }
** (process:18916): DEBUG: 22:49:07.296: Configured rlimit RLIMIT_NOFILE => { 4096, 4096 }
** (process:18916): DEBUG: 22:49:07.296: Configured rlimit RLIMIT_MEMLOCK => { 65536, 65536 }
** (process:18916): DEBUG: 22:49:07.296: Configured rlimit RLIMIT_AS => { 18446744073709551615, 18446744073709551615 }
** (process:18916): DEBUG: 22:49:07.296: Configured rlimit RLIMIT_LOCKS => { 18446744073709551615, 18446744073709551615 }
** (process:18916): DEBUG: 22:49:07.297: Configured rlimit RLIMIT_SIGPENDING => { 62081, 62081 }
** (process:18916): DEBUG: 22:49:07.297: Configured rlimit RLIMIT_MSGQUEUE => { 819200, 819200 }
** (process:18916): DEBUG: 22:49:07.297: Configured rlimit RLIMIT_NICE => { 0, 0 }
** (process:18916): DEBUG: 22:49:07.297: Configured rlimit RLIMIT_RTPRIO => { 0, 0 }
** INFO: 22:49:07.297: Initializing 2 strategies...
** INFO: 22:49:07.297: Strategy 1: "bisect", Remove consecutively larger chunks of data from the file
** INFO: 22:49:07.297: Strategy 2: "zero", Zero consecutively larger chunks of data from the file
╭│   │ ── halfempty ───────────────────────────────────────────────── v0.40 ──
╰│  8│ A fast, parallel testcase minimization tool
 ╰───╯ ───────────────────────────────────────────────────────── by @taviso ──

Input file "grep.in" is now 1191359 bytes, starting strategy "bisect"...
Verifying the original input executes successfully... (skip with --noverify)
** (halfempty:18916): DEBUG: 22:49:07.298: thread 0x55b2a74dce60 processing task 0x55b2a74dcce0, size 1191359, fd 3, status TASK_STATUS_PENDING
** (halfempty:18916): DEBUG: 22:49:07.299: writing data to child 18918 pipefd=5
** (halfempty:18916): DEBUG: 22:49:07.302: Broken pipe received from 18916
** (halfempty:18916): DEBUG: 22:49:07.302: failed to splice all data into pipe, 1191359 remaining
** (halfempty:18916): DEBUG: 22:49:07.302: finished writing data to child, about to waitid(18918)
** (halfempty:18916): DEBUG: 22:49:07.302: child 18918 exited with code 0
** (halfempty:18916): DEBUG: 22:49:07.302: thread 0x55b2a74dce60, child returned 0 after 0.004 seconds, size 1191359
** (halfempty:18916): DEBUG: 22:49:07.302: task 0x55b2a74dcce0 success, aborting mispredicted jobs
** (halfempty:18916): DEBUG: 22:49:07.302: abort_pending_tasks() called, but no child nodes to traverse
** INFO: 22:49:07.302: thread 0x55b2a74dce60 found task 0x55b2a74dcce0 succeeded after 0.004 seconds, size 1191359, depth 1
** (halfempty:18916): DEBUG: 22:49:07.302: thread 0x55b2a74dce60 completed workunit 0x55b2a74dcce0
The original input file succeeded after 0.0 seconds.
(halfempty:18916): bisect-DEBUG: 22:49:07.303: strategy_bisect_data(0x55b2a74dce00)
(halfempty:18916): bisect-DEBUG: 22:49:07.303: initializing a new root node size 1191359
** (halfempty:18916): DEBUG: 22:49:07.303: generator thread obtained treelock, finding next leaf
New finalized size: 1191359 (depth=2) real=0.0s, user=0.0s, speedup=~-0.0s
** (halfempty:18916): DEBUG: 22:49:07.303: found a TASK_STATUS_SUCCESS task, size 1191359 
(halfempty:18916): bisect-DEBUG: 22:49:07.303: strategy_bisect_data(0x55b2a74dce00)
(halfempty:18916): bisect-DEBUG: 22:49:07.303: parent succeeded, not incrementing offset from 0
(halfempty:18916): bisect-DEBUG: 22:49:07.303: creating task for 0x55b2a74dce00 with parent 0x55b2a74dcce0 and source 0x55b2a74dcce0
** (halfempty:18916): DEBUG: 22:49:07.303: node is a leaf node, generating children
** (halfempty:18916): DEBUG: 22:49:07.303: generator thread releasing tree lock
** (halfempty:18916): DEBUG: 22:49:07.303: generator thread obtained treelock, finding next leaf
** (halfempty:18916): DEBUG: 22:49:07.303: thread 0x7f7c167af460 processing task 0x55b2a74dd940, size 0, fd 4, status TASK_STATUS_PENDING
** (halfempty:18916): DEBUG: 22:49:07.304: found a TASK_STATUS_SUCCESS task, size 1191359 
** (halfempty:18916): DEBUG: 22:49:07.304: node is not a leaf, traversing
** (halfempty:18916): DEBUG: 22:49:07.304:  found a TASK_STATUS_PENDING task, size 0 
(halfempty:18916): bisect-DEBUG: 22:49:07.304: strategy_bisect_data(0x55b2a74dcec0)
bisect-INFO: 22:49:07.304: reached end of cycle (offset 0 + chunksize 1191359 > size 0)
(halfempty:18916): bisect-DEBUG: 22:49:07.304: creating task for 0x55b2a74dcec0 with parent 0x55b2a74dd940 and source 0x55b2a74dcce0
** (halfempty:18916): DEBUG: 22:49:07.305: writing data to child 18920 pipefd=6
** (halfempty:18916): DEBUG: 22:49:07.305: finished writing data to child, about to waitid(18920)
** (halfempty:18916): DEBUG: 22:49:07.307: child 18920 exited with code 1
** (halfempty:18916): DEBUG: 22:49:07.307: thread 0x7f7c167af460, child returned 1 after 0.004 seconds, size 0
** (halfempty:18916): DEBUG: 22:49:07.307: task 0x55b2a74dd940 failed, fd 4, pid 18920
** (halfempty:18916): DEBUG: 22:49:07.308: thread 0x7f7c167af460 completed workunit 0x55b2a74dd940
** (halfempty:18916): DEBUG: 22:49:07.308: thread 0x7f7c166826a0 cleaning up task 0x55b2a74dd940 (pid=18920), now attempting to lock
** (halfempty:18916): DEBUG: 22:49:07.308: thread 0x7f7c166826a0 acquired lock on task 0x55b2a74dd940, state TASK_STATUS_FAILURE
** (halfempty:18916): DEBUG: 22:49:07.308: task 0x55b2a74dd940 unlocked by 0x7f7c166826a0, now discarded
** (halfempty:18916): DEBUG: 22:49:07.311:  node is a leaf node, generating children
** (halfempty:18916): DEBUG: 22:49:07.311: generator thread releasing tree lock
** (halfempty:18916): DEBUG: 22:49:07.311: generator thread obtained treelock, finding next leaf
** (halfempty:18916): DEBUG: 22:49:07.311: thread 0x7f7c167af460 processing task 0x55b2a74dd9a0, size 595680, fd 8, status TASK_STATUS_PENDING
** (halfempty:18916): DEBUG: 22:49:07.312: found a TASK_STATUS_SUCCESS task, size 1191359 
** (halfempty:18916): DEBUG: 22:49:07.312: node is not a leaf, traversing
** (halfempty:18916): DEBUG: 22:49:07.312:  found a TASK_STATUS_FAILURE task, size 0 
** (halfempty:18916): DEBUG: 22:49:07.312:  node is not a leaf, traversing
** (halfempty:18916): DEBUG: 22:49:07.312:   found a TASK_STATUS_PENDING task, size 595680 
(halfempty:18916): bisect-DEBUG: 22:49:07.313: strategy_bisect_data(0x55b2a74dcef0)
(halfempty:18916): bisect-DEBUG: 22:49:07.313: parent failed or pending, trying next offset 0 => 595679
(halfempty:18916): bisect-DEBUG: 22:49:07.313: creating task for 0x55b2a74dcef0 with parent 0x55b2a74dd9a0 and source 0x55b2a74dcce0
** (halfempty:18916): DEBUG: 22:49:07.322:   node is a leaf node, generating children
** (halfempty:18916): DEBUG: 22:49:07.322: generator thread releasing tree lock
** (halfempty:18916): DEBUG: 22:49:07.322: generator thread obtained treelock, finding next leaf
** (halfempty:18916): DEBUG: 22:49:07.322: found a TASK_STATUS_SUCCESS task, size 1191359 
** (halfempty:18916): DEBUG: 22:49:07.322: node is not a leaf, traversing
** (halfempty:18916): DEBUG: 22:49:07.322:  found a TASK_STATUS_FAILURE task, size 0 
** (halfempty:18916): DEBUG: 22:49:07.322:  node is not a leaf, traversing
** (halfempty:18916): DEBUG: 22:49:07.322:   found a TASK_STATUS_PENDING task, size 595680 
** (halfempty:18916): DEBUG: 22:49:07.322:   node is not a leaf, traversing
** (halfempty:18916): DEBUG: 22:49:07.322:    found a TASK_STATUS_PENDING task, size 595680 
(halfempty:18916): bisect-DEBUG: 22:49:07.323: strategy_bisect_data(0x55b2a74dcf50)
bisect-INFO: 22:49:07.323: reached end of cycle (offset 595679 + chunksize 595679 > size 595680)
(halfempty:18916): bisect-DEBUG: 22:49:07.323: creating task for 0x55b2a74dcf50 with parent 0x55b2a74e1300 and source 0x55b2a74dcce0
** (halfempty:18916): DEBUG: 22:49:07.333:    node is a leaf node, generating children
** (halfempty:18916): DEBUG: 22:49:07.333: generator thread releasing tree lock
** (halfempty:18916): DEBUG: 22:49:07.333: generator thread obtained treelock, finding next leaf
** (halfempty:18916): DEBUG: 22:49:07.333: found a TASK_STATUS_SUCCESS task, size 1191359 
** (halfempty:18916): DEBUG: 22:49:07.333: node is not a leaf, traversing
** (halfempty:18916): DEBUG: 22:49:07.333:  found a TASK_STATUS_FAILURE task, size 0 
** (halfempty:18916): DEBUG: 22:49:07.334:  node is not a leaf, traversing
** (halfempty:18916): DEBUG: 22:49:07.334:   found a TASK_STATUS_PENDING task, size 595680 
** (halfempty:18916): DEBUG: 22:49:07.334:   node is not a leaf, traversing
** (halfempty:18916): DEBUG: 22:49:07.334:    found a TASK_STATUS_PENDING task, size 595680 
** (halfempty:18916): DEBUG: 22:49:07.334:    node is not a leaf, traversing
** (halfempty:18916): DEBUG: 22:49:07.334:     found a TASK_STATUS_PENDING task, size 893520 
(halfempty:18916): bisect-DEBUG: 22:49:07.334: strategy_bisect_data(0x55b2a74dd210)
(halfempty:18916): bisect-DEBUG: 22:49:07.334: parent failed or pending, trying next offset 0 => 297839
(halfempty:18916): bisect-DEBUG: 22:49:07.334: creating task for 0x55b2a74dd210 with parent 0x55b2a74e1360 and source 0x55b2a74dcce0
** (halfempty:18916): DEBUG: 22:49:07.339:     node is a leaf node, generating children
** (halfempty:18916): DEBUG: 22:49:07.339: generator thread releasing tree lock

Interestingly, under valgrind it manages to finish, but does these invalid close calls (which also seem to occur on glibc!):

valgrind ../halfempty -P 1 --cleanup-threads=1 grep.sh grep.in 
valgrind ../halfempty -P 1 --cleanup-threads=1 grep.sh grep.in
==19081== Memcheck, a memory error detector
==19081== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==19081== Using Valgrind-3.16.1 and LibVEX; rerun with -h for copyright info
==19081== Command: ../halfempty -P 1 --cleanup-threads=1 grep.sh grep.in
==19081== 
╭│   │ ── halfempty ───────────────────────────────────────────────── v0.40 ──
╰│  8│ A fast, parallel testcase minimization tool
 ╰───╯ ───────────────────────────────────────────────────────── by @taviso ──

Input file "grep.in" is now 1191359 bytes, starting strategy "bisect"...
--19081-- WARNING: unhandled amd64-linux syscall: 315
--19081-- You may be able to write your own handler.
--19081-- Read the file README_MISSING_SYSCALL_OR_IOCTL.
--19081-- Nevertheless we consider this a bug.  Please report
--19081-- it at http://valgrind.org/support/bug_reports.html.
Verifying the original input executes successfully... (skip with --noverify)
The original input file succeeded after 0.0 seconds.
New finalized size: 1191359 (depth=2) real=0.0s, user=0.0s, speedup=~-0.0s
New finalized size: 595680 (depth=5) real=0.1s, user=0.0s, speedup=~-0.0s
New finalized size: 297841 (depth=7) real=0.1s, user=0.1s, speedup=~-0.0s
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
New finalized size: 148922 (depth=9) real=0.2s, user=0.1s, speedup=~-0.1s
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
New finalized size: 74463 (depth=11) real=0.3s, user=0.1s, speedup=~-0.1s
New finalized size: 37234 (depth=13) real=0.3s, user=0.2s, speedup=~-0.1s
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
New finalized size: 18620 (depth=14) real=0.4s, user=0.2s, speedup=~-0.2s
New finalized size: 9313 (depth=17) real=0.5s, user=0.2s, speedup=~-0.2s
New finalized size: 4660 (depth=19) real=0.5s, user=0.3s, speedup=~-0.2s
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
New finalized size: 2334 (depth=20) real=0.6s, user=0.3s, speedup=~-0.2s
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
New finalized size: 1171 (depth=23) real=0.7s, user=0.4s, speedup=~-0.3s
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
New finalized size: 590 (depth=25) real=0.8s, user=0.4s, speedup=~-0.3s
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
New finalized size: 300 (depth=26) real=0.9s, user=0.4s, speedup=~-0.4s
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
New finalized size: 155 (depth=29) real=1.0s, user=0.5s, speedup=~-0.5s
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
New finalized size: 83 (depth=30) real=1.0s, user=0.5s, speedup=~-0.5s
==19081== Warning: invalid file descriptor -1 in syscall close()
New finalized size: 47 (depth=33) real=1.1s, user=0.5s, speedup=~-0.5s
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
New finalized size: 29 (depth=34) real=1.2s, user=0.6s, speedup=~-0.6s
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
New finalized size: 20 (depth=37) real=1.3s, user=0.6s, speedup=~-0.6s
New finalized size: 11 (depth=38) real=1.3s, user=0.6s, speedup=~-0.6s
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
New finalized size: 9 (depth=45) real=1.5s, user=0.7s, speedup=~-0.7s
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
New finalized size: 8 (depth=46) real=1.5s, user=0.8s, speedup=~-0.7s
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
New finalized size: 7 (depth=53) real=1.7s, user=0.9s, speedup=~-0.7s
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
Reached the end of our path through tree, all nodes were finalized
45 nodes failed, 44 worked, 21 discarded, 1 collapsed
1.636 seconds of compute was required for final path
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()

Strategy "bisect" complete, output 7 bytes
Input file "grep.in" is now 7 bytes, starting strategy "zero"...
Verifying the original input executes successfully... (skip with --noverify)
The original input file succeeded after 0.0 seconds.
New finalized size: 7 (depth=2) real=0.0s, user=0.0s, speedup=~-0.0s
New finalized size: 7 (depth=5) real=0.0s, user=0.0s, speedup=~-0.0s
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
Reached the end of our path through tree, all nodes were finalized
11 nodes failed, 2 worked, 0 discarded, 1 collapsed
0.230 seconds of compute was required for final path
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()
==19081== Warning: invalid file descriptor -1 in syscall close()

Strategy "zero" complete, output 7 bytes
All work complete, generating output halfempty.out (size: 7)
==19081== 
==19081== HEAP SUMMARY:
==19081==     in use at exit: 24,758 bytes in 37 blocks
==19081==   total heap usage: 9,966 allocs, 9,929 frees, 538,679 bytes allocated
==19081== 
==19081== LEAK SUMMARY:
==19081==    definitely lost: 0 bytes in 0 blocks
==19081==    indirectly lost: 0 bytes in 0 blocks
==19081==      possibly lost: 0 bytes in 0 blocks
==19081==    still reachable: 24,758 bytes in 37 blocks
==19081==         suppressed: 0 bytes in 0 blocks
==19081== Rerun with --leak-check=full to see details of leaked memory
==19081== 
==19081== For lists of detected and suppressed errors, rerun with: -s
==19081== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)

I hope this is enough detail for someone familiar with the code to debug it.

About this issue

  • Original URL
  • State: closed
  • Created 4 years ago
  • Comments: 20

Commits related to this issue

Most upvoted comments

The setenv seems to be the culprit. Now the tests pass. Thanks!

+1
leahneukirchen on Dec 24, 2020
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