Fix crash in php_openssl_create_sni_server_ctx() when SSL_CTX_new() fails#21026
Closed
ndossche wants to merge 1 commit intophp:PHP-8.4from
Closed
Fix crash in php_openssl_create_sni_server_ctx() when SSL_CTX_new() fails#21026ndossche wants to merge 1 commit intophp:PHP-8.4from
ndossche wants to merge 1 commit intophp:PHP-8.4from
Conversation
…ails
```
==41743==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000090 (pc 0x557f134d3acf bp 0x7ffd4d5bc1f0 sp 0x7ffd4d5bb870 T0)
==41743==The signal is caused by a READ memory access.
==41743==Hint: address points to the zero page.
#0 0x557f134d3acf in php_stream_url_wrap_http_ex /work/php-src/ext/standard/http_fopen_wrapper.c:580
#1 0x557f134d857e in php_stream_url_wrap_http /work/php-src/ext/standard/http_fopen_wrapper.c:1204
#2 0x557f1375073d in _php_stream_open_wrapper_ex /work/php-src/main/streams/streams.c:2270
#3 0x557f13478fa6 in zif_file_get_contents /work/php-src/ext/standard/file.c:409
#4 0x557f131bfe39 in zif_phar_file_get_contents /work/php-src/ext/phar/func_interceptors.c:226
#5 0x557f136b7ed2 in zend_test_execute_internal /work/php-src/ext/zend_test/observer.c:306
#6 0x557f139e024a in ZEND_DO_FCALL_SPEC_RETVAL_USED_HANDLER /work/php-src/Zend/zend_vm_execute.h:2154
#7 0x557f13b40995 in execute_ex /work/php-src/Zend/zend_vm_execute.h:116519
#8 0x557f13b558b0 in zend_execute /work/php-src/Zend/zend_vm_execute.h:121962
#9 0x557f13cba0ab in zend_execute_script /work/php-src/Zend/zend.c:1980
#10 0x557f136ec8bb in php_execute_script_ex /work/php-src/main/main.c:2645
#11 0x557f136ecccb in php_execute_script /work/php-src/main/main.c:2685
#12 0x557f13cbfc16 in do_cli /work/php-src/sapi/cli/php_cli.c:951
#13 0x557f13cc21e3 in main /work/php-src/sapi/cli/php_cli.c:1362
#14 0x7f14599cd1c9 (/lib/x86_64-linux-gnu/libc.so.6+0x2a1c9) (BuildId: 274eec488d230825a136fa9c4d85370fed7a0a5e)
#15 0x7f14599cd28a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2a28a) (BuildId: 274eec488d230825a136fa9c4d85370fed7a0a5e)
#16 0x557f12809b34 in _start (/work/php-src/build-dbg-asan/sapi/cli/php+0x609b34) (BuildId: aa149f943514fff0c491e1f199e30fed0e977f7c)
```
bukka
approved these changes
Apr 3, 2026
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
This was found by a hybrid static-dynamic analyser that looks for inconsistent handling of error checks in bindings.