Issues

• Function JIT (opcache.jit=1235) with the DFA pass disabled intermittently runs a bounded for loop past the end of its array (PHP 8.5.11)

  BugCategory: JITExtension: opcacheStatus: Verified
  php/php-src#24214 · Filter by author ballidev opened on Oct 9, 2026
  1

  

• Tracing JIT with global register allocation corrupts UTF-8 scanning

  BugCategory: JITExtension: opcacheStatus: Verified
  php/php-src#24206 · Filter by author mercierj opened on Oct 8, 2026
  5

• Tracing JIT (8.4+): wrong result after interrupts are handled in a loop that uses ?? or ?:

  BugCategory: JITExtension: opcacheStatus: Needs Triage
  php/php-src#24186 · Filter by author broskees opened on Oct 8, 2026
  2

  

• PHP 8.5+ Windows ZTS: random access violations with OPcache JIT in multi-process setups

  BugCategory: JITExtension: opcacheStatus: Verified
  php/php-src#24185 · Filter by author alvin0319 opened on Oct 8, 2026
  3

  

• Function JIT (8.4+): wrong result after interrupts are handled in a loop

  BugCategory: JITExtension: opcacheStatus: Verified
  php/php-src#23983 · Filter by author frodeborli opened on Sep 29, 2026
  2

  

• Tracing JIT calls the wrong method for self::/parent:: static calls in trait methods shared by several classes

  BugCategory: JITExtension: opcacheStatus: Verified
  php/php-src#23572 · Filter by author RV7PR opened on Sep 4, 2026

• JIT: Inline ZEND_BW_NOT

  Category: JITExtension: opcache
  Unread
  php/php-src#22560·millerphp opened Jul 2, 2026 · Updated Oct 7, 2026
  5

• PHP 8.4–8.6 tracing-JIT miscompilation: ~ high bits leak into a masked OR stored to a typed int

  BugCategory: JITExtension: opcacheStatus: Verified
  php/php-src#22559 · Filter by author millerphp opened on Jul 2, 2026

• Tracing JIT drops loop-PHI CV register from SNAPSHOT after intermediate op1_def

  BugCategory: JITExtension: opcacheStatus: Verified
  php/php-src#22115 · Filter by author wilaak opened on May 21, 2026

• Tracing JIT: SIGSEGV via mis-targeted side-exit into execute_ex (VM-stack call-frame alloc), PHP 8.5.6

  BugCategory: JITExtension: opcacheStatus: Needs Feedback
  php/php-src#22102 · Filter by author XYZPatrick opened on May 20, 2026
  1

• Segfault in PHP-FPM with tracing JIT (opcache.jit=1205) due to stale base pointer in rbp (Regression in 8.5.5)

  BugCategory: JITSAPI: fpm
  php/php-src#22084 · Filter by author martinvenus opened on May 18, 2026
  9

  

• heap buffer overflow in optimizer

  BugCategory: JITExtension: opcacheStatus: Verified
  php/php-src#20733 · Filter by author chongwick opened on Dec 19, 2025
  2

  

• SEGV zend_jit_trace_copy_ssa_var_range

  BugCategory: JITExtension: opcacheStatus: Needs Triage
  php/php-src#18134 · Filter by author YuanchengJiang opened on Mar 24, 2025
  5

• SEGV zend_inference_propagate_range

  BugCategory: JITExtension: opcacheStatus: Verified
  php/php-src#17990 · Filter by author YuanchengJiang opened on Mar 7, 2025
  3

• IR JIT: too long jmp distance in ir_add_veneer, ir_aarch64.dasc:6495.

  BugCategory: JITExtension: opcacheStatus: Needs Triage
  php/php-src#17858 · Filter by author danog opened on Feb 18, 2025
  8

  

• opcache.jit won't write to opcache.file_cache

  BugCategory: JITExtension: opcacheStatus: Verified
  php/php-src#17770 · Filter by author kkmuffme opened on Feb 11, 2025
  12

• MSVC ZEND_FASTCALL not portable?

  BugCategory: EngineCategory: JITOS: WindowsStatus: Needs Triage
  Bug

  php/php-src#17497 · Filter by author cmb69 opened on Jan 17, 2025
  6

• Race conditions on tracing globals in jit-tracing mode in ZTS

  BugCategory: JITStatus: Needs Triage
  Bug

  php/php-src#16860 · Filter by author dktapps opened on Nov 19, 2024
  2

• JIT: undefined variable $i

  BugCategory: JITExtension: opcacheStatus: Needs Feedback
  php/php-src#15145 · Filter by author lifeofguenter opened on Jul 28, 2024
  8

• JIT cause 100% cpu usage

  BugCategory: JITStatus: Needs Triage
  php/php-src#11736 · Filter by author andrii29 opened on Jul 18, 2023
  10

• PHP 8.2.0 access violation while executing a 'foreach' loop

  BugCategory: JITStatus: Needs Triage
  php/php-src#10067 · Filter by author mdrmdrmdr opened on Dec 8, 2022
  10

• JIT trace not invalidated after re-linking

  BugCategory: JITStatus: Verified
  php/php-src#8642 · Filter by author arnaud-lb opened on May 27, 2022

• JIT segmentation fault in PHP 8.1

  BugCategory: JIT
  php/php-src#7817 · Filter by author cappadaan opened on Dec 23, 2021
  201