Issue #20245 has been updated by nagachika (Tomoyuki Chikanaga). Backport changed from 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: REQUIRED, 3.3: DONE to 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: DONE, 3.3: DONE ruby_3_2 27606daf8efeb0ae6d0590a2c9bb1c5aae07f140 merged revision(s) ac0163949a6ee678dfccec9f6e56422b91e5f0a9,01fd262e62076277a41af72ea13f20deb1b462a2. ---------------------------------------- Bug #20245: Crash when checking symbol encoding https://bugs.ruby-lang.org/issues/20245#change-107549 * Author: peterzhu2118 (Peter Zhu) * Status: Closed * Backport: 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: DONE, 3.3: DONE ---------------------------------------- GitHub PR: https://github.com/ruby/ruby/pull/9871 We sometimes pass in a fake string to sym_check_asciionly. This can crash if sym_check_asciionly raises because it creates a CFP with the fake string as the receiver which will crash if GC tries to mark the CFP. For example, the following script crashes: ```ruby GC.stress = true Object.const_defined?("\xC3") ``` -- https://bugs.ruby-lang.org/