From: kelunik
Operating system: Linux
PHP version: 7.2.24
Package: Reproducible crash
Bug Type: Bug
Bug description:Segfault in lex_scan
Description:
------------
Clone
https://github.com/amphp/http-client/tree/f0facd7100b240407ce7aec9817d56febf97618e
Run composer install
Run vendor/bin/phpunit
Note: The version paths below indicate 7.3.9, but the same applies to
7.3.11. It's not 100% reproducible, but most runs result in a segfault.
Expected result:
----------------
No segfault.
Actual result:
--------------
Segfault: https://travis-ci.org/amphp/http-client/builds/603057296
â phpgdb
phpenv v0.0.4-dev
GNU gdb (Ubuntu 8.2.91.20190405-0ubuntu3) 8.2.91.20190405-git
Copyright (C) 2019 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /home/kelunik/.phpenv/versions/7.3.9/bin/php...
(gdb) r Quit
(gdb) r vendor/bin/phpunit
Starting program: /home/kelunik/.phpenv/versions/7.3.9/bin/php
vendor/bin/phpunit
[Thread debugging using libthread_db enabled]
Using host libthread_db library
"/lib/x86_64-linux-gnu/libthread_db.so.1".
[Detaching after vfork from child process 1591]
PHPUnit 8.4.1 by Sebastian Bergmann and contributors.
.........................[Detaching after fork from child process 1594]
.[Detaching after fork from child process 1625]
[Detaching after fork from child process 1627]
.........E........................... 63 / 128 ( 49%)
.......[Detaching after fork from child process 1663]
...
Program received signal SIGSEGV, Segmentation fault.
zend_mm_alloc_small (bin_num=17, size=336, heap=0x7ffff4000040)
at /home/kelunik/.php-build/release/Zend/zend_alloc.c:1289
1289 /home/kelunik/.php-build/release/Zend/zend_alloc.c: Datei oder
Verzeichnis nicht gefunden.
(gdb) bt
#0 zend_mm_alloc_small (bin_num=17, size=336, heap=0x7ffff4000040)
at /home/kelunik/.php-build/release/Zend/zend_alloc.c:1289
#1 zend_mm_alloc_heap (size=336, heap=0x7ffff4000040)
at /home/kelunik/.php-build/release/Zend/zend_alloc.c:1360
#2 _emalloc (size=size@entry=336) at
/home/kelunik/.php-build/release/Zend/zend_alloc.c:2500
#3 0x0000555555b0116b in zend_string_alloc (persistent=0, len=308)
at /home/kelunik/.php-build/release/Zend/zend_string.h:155
#4 zend_string_init (persistent=0, len=308,
str=0x7ffff7fb001b "/**\n * This Logger can be used to avoid
conditional log calls.\n *\n * Logging should always be optional, and if
no logger is provided to your\n * library creating a NullLogger instance
to have something"...) at
/home/kelunik/.php-build/release/Zend/zend_string.h:155
#5 lex_scan (zendlval=zendlval@entry=0x7fffffff8e70,
elem=0x7fffffff8ef8)
at Zend/zend_language_scanner.l:2108
#6 0x0000555555b14bda in zendlex (elem=elem@entry=0x7fffffff8ef8)
at /home/kelunik/.php-build/release/Zend/zend_compile.c:1702
#7 0x0000555555afa45e in zendparse ()
at
/home/kelunik/.php-build/release/Zend/zend_language_parser.c:4215
#8 0x0000555555afc95a in zend_compile (type=type@entry=2) at
Zend/zend_language_scanner.l:586
#9 0x0000555555afe13a in compile_file (file_handle=0x7fffffff9be0,
type=2)
at Zend/zend_language_scanner.l:636
#10 0x00005555559bc692 in phar_compile_file (file_handle=0x7fffffff9be0,
type=2)
at /home/kelunik/.php-build/release/ext/phar/phar.c:3347
#11 0x0000555555afe1e2 in compile_filename (type=type@entry=2,
filename=filename@entry=0x7ffff40230d0) at
Zend/zend_language_scanner.l:661
#12 0x0000555555b77315 in zend_include_or_eval
(inc_filename=0x7ffff40230d0, type=2)
at /home/kelunik/.php-build/release/Zend/zend_execute.c:3192
#13 0x0000555555bad8ba in ZEND_INCLUDE_OR_EVAL_SPEC_CV_HANDLER ()
at /home/kelunik/.php-build/release/Zend/zend_vm_execute.h:37419
#14 0x0000555555bb24ed in execute_ex (ex=0x3e5d0e0)
--
Edit bug report at https://bugs.php.net/bug.php?id=78752&edit=1
--
Fix committed: https://bugs.php.net/fix.php?id=78752&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=78752&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=78752&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=78752&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=78752&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=78752&r=support
Expected behavior: https://bugs.php.net/fix.php?id=78752&r=notwrong
Not enough info: https://bugs.php.net/fix.php?id=78752&r=notenoughinfo
Submitted twice: https://bugs.php.net/fix.php?id=78752&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=78752&r=globals
PHP version support discontinued: https://bugs.php.net/fix.php?id=78752&r=phptooold
Daylight Savings: https://bugs.php.net/fix.php?id=78752&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=78752&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=78752&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=78752&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=78752&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=78752&r=mysqlcfg