==8169== Memcheck, a memory error detector
==8169== Copyright (C) 2002-2022, and GNU GPL'd, by Julian Seward et al.
==8169== Using Valgrind-3.19.0 and LibVEX; rerun with -h for copyright info
==8169== Command: php -d zend_extension=xdebug.so -d xdebug.mode=coverage fibers.php
==8169== 
==8169== Warning: client switching stacks?  SP change: 0x1ffeffcd28 --> 0x8d12fb8
==8169==          to suppress, use: --max-stackframe=137274236272 or greater
==8169== Warning: client switching stacks?  SP change: 0x8d12b88 --> 0x8f13fb8
==8169==          to suppress, use: --max-stackframe=2102320 or greater
==8169== Warning: client switching stacks?  SP change: 0x8f13ee8 --> 0x8d12b88
==8169==          to suppress, use: --max-stackframe=2102112 or greater
==8169==          further instances of this message will not be shown.
bool(true)
==8169== Invalid read of size 8
==8169==    at 0x8633FBD: xdebug_code_coverage_end_of_function (code_coverage.c:729)
==8169==    by 0x86345AB: xdebug_coverage_execute_ex_end (code_coverage.c:1072)
==8169==    by 0x861E45A: xdebug_execute_user_code_end (base.c:814)
==8169==    by 0x6D08E5: zend_observer_fcall_end (in /usr/local/bin/php)
==8169==    by 0x34277B: ??? (in /usr/local/bin/php)
==8169==    by 0x69FB62: execute_ex (in /usr/local/bin/php)
==8169==    by 0x62D2BE: zend_call_function (in /usr/local/bin/php)
==8169==    by 0x6D253C: ??? (in /usr/local/bin/php)
==8169==    by 0x6D34CD: ??? (in /usr/local/bin/php)
==8169==    by 0x87BE44F: ???
==8169==  Address 0x88301b8 is 8 bytes inside a block of size 24 free'd
==8169==    at 0x484417B: free (vg_replace_malloc.c:872)
==8169==    by 0x8633FF6: xdebug_code_coverage_end_of_function (code_coverage.c:737)
==8169==    by 0x86345AB: xdebug_coverage_execute_ex_end (code_coverage.c:1072)
==8169==    by 0x861E45A: xdebug_execute_user_code_end (base.c:814)
==8169==    by 0x6D08E5: zend_observer_fcall_end (in /usr/local/bin/php)
==8169==    by 0x34277B: ??? (in /usr/local/bin/php)
==8169==    by 0x69FB62: execute_ex (in /usr/local/bin/php)
==8169==    by 0x62D2BE: zend_call_function (in /usr/local/bin/php)
==8169==    by 0x6D253C: ??? (in /usr/local/bin/php)
==8169==    by 0x6D34CD: ??? (in /usr/local/bin/php)
==8169==    by 0x882130F: ???
==8169==  Block was alloc'd at
==8169==    at 0x48465EF: calloc (vg_replace_malloc.c:1328)
==8169==    by 0x8631CF9: xdebug_path_new (branch_info.c:208)
==8169==    by 0x8633EB3: xdebug_code_coverage_start_of_function (code_coverage.c:701)
==8169==    by 0x863445D: xdebug_coverage_execute_ex (code_coverage.c:1051)
==8169==    by 0x861F71A: xdebug_execute_user_code_begin (base.c:784)
==8169==    by 0x6D05BA: ??? (in /usr/local/bin/php)
==8169==    by 0x62D2B0: zend_call_function (in /usr/local/bin/php)
==8169==    by 0x6D253C: ??? (in /usr/local/bin/php)
==8169==    by 0x6D34CD: ??? (in /usr/local/bin/php)
==8169==    by 0x882130F: ???
==8169== 
==8169== Invalid read of size 8
==8169==    at 0x8631D74: xdebug_path_free (branch_info.c:222)
==8169==    by 0x8633FF6: xdebug_code_coverage_end_of_function (code_coverage.c:737)
==8169==    by 0x86345AB: xdebug_coverage_execute_ex_end (code_coverage.c:1072)
==8169==    by 0x861E45A: xdebug_execute_user_code_end (base.c:814)
==8169==    by 0x6D08E5: zend_observer_fcall_end (in /usr/local/bin/php)
==8169==    by 0x34277B: ??? (in /usr/local/bin/php)
==8169==    by 0x69FB62: execute_ex (in /usr/local/bin/php)
==8169==    by 0x62D2BE: zend_call_function (in /usr/local/bin/php)
==8169==    by 0x6D253C: ??? (in /usr/local/bin/php)
==8169==    by 0x6D34CD: ??? (in /usr/local/bin/php)
==8169==    by 0x87BE44F: ???
==8169==  Address 0x88301b8 is 8 bytes inside a block of size 24 free'd
==8169==    at 0x484417B: free (vg_replace_malloc.c:872)
==8169==    by 0x8633FF6: xdebug_code_coverage_end_of_function (code_coverage.c:737)
==8169==    by 0x86345AB: xdebug_coverage_execute_ex_end (code_coverage.c:1072)
==8169==    by 0x861E45A: xdebug_execute_user_code_end (base.c:814)
==8169==    by 0x6D08E5: zend_observer_fcall_end (in /usr/local/bin/php)
==8169==    by 0x34277B: ??? (in /usr/local/bin/php)
==8169==    by 0x69FB62: execute_ex (in /usr/local/bin/php)
==8169==    by 0x62D2BE: zend_call_function (in /usr/local/bin/php)
==8169==    by 0x6D253C: ??? (in /usr/local/bin/php)
==8169==    by 0x6D34CD: ??? (in /usr/local/bin/php)
==8169==    by 0x882130F: ???
==8169==  Block was alloc'd at
==8169==    at 0x48465EF: calloc (vg_replace_malloc.c:1328)
==8169==    by 0x8631CF9: xdebug_path_new (branch_info.c:208)
==8169==    by 0x8633EB3: xdebug_code_coverage_start_of_function (code_coverage.c:701)
==8169==    by 0x863445D: xdebug_coverage_execute_ex (code_coverage.c:1051)
==8169==    by 0x861F71A: xdebug_execute_user_code_begin (base.c:784)
==8169==    by 0x6D05BA: ??? (in /usr/local/bin/php)
==8169==    by 0x62D2B0: zend_call_function (in /usr/local/bin/php)
==8169==    by 0x6D253C: ??? (in /usr/local/bin/php)
==8169==    by 0x6D34CD: ??? (in /usr/local/bin/php)
==8169==    by 0x882130F: ???
==8169== 
==8169== Invalid free() / delete / delete[] / realloc()
==8169==    at 0x484417B: free (vg_replace_malloc.c:872)
==8169==    by 0x8633FF6: xdebug_code_coverage_end_of_function (code_coverage.c:737)
==8169==    by 0x86345AB: xdebug_coverage_execute_ex_end (code_coverage.c:1072)
==8169==    by 0x861E45A: xdebug_execute_user_code_end (base.c:814)
==8169==    by 0x6D08E5: zend_observer_fcall_end (in /usr/local/bin/php)
==8169==    by 0x34277B: ??? (in /usr/local/bin/php)
==8169==    by 0x69FB62: execute_ex (in /usr/local/bin/php)
==8169==    by 0x62D2BE: zend_call_function (in /usr/local/bin/php)
==8169==    by 0x6D253C: ??? (in /usr/local/bin/php)
==8169==    by 0x6D34CD: ??? (in /usr/local/bin/php)
==8169==    by 0x87BE44F: ???
==8169==  Address 0x88301b0 is 0 bytes inside a block of size 24 free'd
==8169==    at 0x484417B: free (vg_replace_malloc.c:872)
==8169==    by 0x8633FF6: xdebug_code_coverage_end_of_function (code_coverage.c:737)
==8169==    by 0x86345AB: xdebug_coverage_execute_ex_end (code_coverage.c:1072)
==8169==    by 0x861E45A: xdebug_execute_user_code_end (base.c:814)
==8169==    by 0x6D08E5: zend_observer_fcall_end (in /usr/local/bin/php)
==8169==    by 0x34277B: ??? (in /usr/local/bin/php)
==8169==    by 0x69FB62: execute_ex (in /usr/local/bin/php)
==8169==    by 0x62D2BE: zend_call_function (in /usr/local/bin/php)
==8169==    by 0x6D253C: ??? (in /usr/local/bin/php)
==8169==    by 0x6D34CD: ??? (in /usr/local/bin/php)
==8169==    by 0x882130F: ???
==8169==  Block was alloc'd at
==8169==    at 0x48465EF: calloc (vg_replace_malloc.c:1328)
==8169==    by 0x8631CF9: xdebug_path_new (branch_info.c:208)
==8169==    by 0x8633EB3: xdebug_code_coverage_start_of_function (code_coverage.c:701)
==8169==    by 0x863445D: xdebug_coverage_execute_ex (code_coverage.c:1051)
==8169==    by 0x861F71A: xdebug_execute_user_code_begin (base.c:784)
==8169==    by 0x6D05BA: ??? (in /usr/local/bin/php)
==8169==    by 0x62D2B0: zend_call_function (in /usr/local/bin/php)
==8169==    by 0x6D253C: ??? (in /usr/local/bin/php)
==8169==    by 0x6D34CD: ??? (in /usr/local/bin/php)
==8169==    by 0x882130F: ???
==8169== 
bool(true)
==8169== 
==8169== HEAP SUMMARY:
==8169==     in use at exit: 6,908 bytes in 18 blocks
==8169==   total heap usage: 24,658 allocs, 24,641 frees, 3,685,051 bytes allocated
==8169== 
==8169== LEAK SUMMARY:
==8169==    definitely lost: 24 bytes in 1 blocks
==8169==    indirectly lost: 0 bytes in 0 blocks
==8169==      possibly lost: 0 bytes in 0 blocks
==8169==    still reachable: 6,884 bytes in 17 blocks
==8169==         suppressed: 0 bytes in 0 blocks
==8169== Rerun with --leak-check=full to see details of leaked memory
==8169== 
==8169== For lists of detected and suppressed errors, rerun with: -s
==8169== ERROR SUMMARY: 3 errors from 3 contexts (suppressed: 0 from 0)