273411 2024-04-29 09:49:09 -0700 ASSERTION FAILED: !behaviors.containsAny({ Behavior::Break, Behavior::Continue }) 2024-05-13 03:37:52 -0700 1 1 1 Unclassified WebKit WebGPU WebKit Nightly Build Unspecified Linux RESOLVED FIXED InRadar P2 Normal --- 1 wgslfuzz tzagallo heycam mwyrzykowski webkit-bug-importer oldest_to_newest 2031902 0 wgslfuzz 2024-04-29 09:49:09 -0700 On git commit e9acc98eb155a5d5a45ea8fb4e763ff4cede6eb0, compiling the attached shader program with `./wgslfuzz shader.wgsl f` triggers an assertion violation. ``` fn f() { if floor { break; } } ``` #0 __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44 #1 __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78 #2 __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89 #3 0x00007f5d278bb8e6 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26 #4 0x00007f5d2789f8b7 in __GI_abort () at ./stdlib/abort.c:79 #5 0x000055919dbcea30 in WTFCrashWithInfo () at WTF/Headers/wtf/Assertions.h:862 #6 0x000055919dfe471c in WGSL::TypeChecker::visit (this=0x7f5d25b01620, function=...) at Source/WebGPU/WGSL/TypeCheck.cpp:727 #7 0x000055919e0a2971 in WGSL::AST::Visitor::checkErrorAndVisit<WGSL::AST::Declaration> (this=0x7f5d25b01620, x=...) at Source/WebGPU/WGSL/AST/ASTVisitor.h:135 #8 WGSL::AST::Visitor::visit (this=0x7f5d25b01620, shaderModule=...) at Source/WebGPU/WGSL/AST/ASTVisitor.cpp:51 #9 0x000055919dfd9fd2 in WGSL::TypeChecker::check (this=0x7f5d25b01620) at Source/WebGPU/WGSL/TypeCheck.cpp:439 #10 0x000055919e018f60 in WGSL::typeCheck (shaderModule=...) at Source/WebGPU/WGSL/TypeCheck.cpp:2449 #11 0x000055919e08cca1 in WGSL::staticCheck(WTF::String const&, std::optional<WGSL::SourceMap> const&, WGSL::Configuration const&)::$_2::operator()() const (this=<optimized out>) at Source/WebGPU/WGSL/WGSL.cpp:76 #12 WGSL::staticCheck (wgsl=..., configuration=...) at Source/WebGPU/WGSL/WGSL.cpp:76 #13 0x000055919e08b13d in runWGSL (options=...) at Source/WebGPU/WGSL/wgslc.cpp:122 #14 main (argc=<optimized out>, argv=<optimized out>) at Source/WebGPU/WGSL/wgslc.cpp:164 2032294 1 webkit-bug-importer 2024-04-30 12:09:08 -0700 <rdar://problem/127310621> 2034571 2 tzagallo 2024-05-10 10:34:31 -0700 Pull request: https://github.com/WebKit/WebKit/pull/28396 2034881 3 ews-feeder 2024-05-13 03:37:50 -0700 Committed 278681@main (2e8bbb15e393): <https://commits.webkit.org/278681@main> Reviewed commits have been landed. Closing PR #28396 and removing active labels.