Crash in llvm::ilist_traits<llvm::MachineInstr>::addNodeToList(llvm::MachineInstr*)

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An owning problem doesn't exist yet.
Component
rust
Last affected version
0:1.95.0-1.fc42
Executable
/usr/bin/rustc
Error name
SIGSEGV 11
First occurrence
2026-09-26
Last occurrence
2026-10-21
Unique reports
2
Quality
-40

Statistics

Operating system Unique / Total count
Fedora 42 2 / 2
Operating system Count
Fedora 42 2
Architecture Count
x86_64 2
Related packages Count
rust 2
 0:1.95.0-1.fc42 2
rust-std-static 2
 0:1.95.0-1.fc42 2

Packages names with count less than the total count of reports are most probably not the cause of the problem.

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Backtrace

Frame # Function Binary Source or offset Line
1
llvm::ilist_traits<llvm::MachineInstr>::addNodeToList(llvm::MachineInstr*)
/lib64/libLLVM.so.20.1 0x6a18e3
Build id: 29c13cc694e1322fc53e88459744e67d49823aa2 		-
2
llvm::InstrEmitter::EmitMachineNode(llvm::SDNode*, bool, bool, llvm::SmallDenseMap<llvm::SDValue, llvm::Register, 16u, llvm::DenseMapInfo<llvm::SDValue, void>, llvm::detail::DenseMapPair<llvm::SDValue, llvm::Register> >&)
/lib64/libLLVM.so.20.1 0xb17210
Build id: 29c13cc694e1322fc53e88459744e67d49823aa2 		-
3
llvm::ScheduleDAGSDNodes::EmitSchedule(llvm::MachineInstrBundleIterator<llvm::MachineInstr, false>&)::$_0::operator()(llvm::SDNode*, bool, bool, llvm::SmallDenseMap<llvm::SDValue, llvm::Register, 16u, llvm::DenseMapInfo<llvm::SDValue, void>, llvm::detail::DenseMapPair<llvm::SDValue, llvm::Register> >&) const
/lib64/libLLVM.so.20.1 0xbff228
Build id: 29c13cc694e1322fc53e88459744e67d49823aa2 		-
4
llvm::ScheduleDAGSDNodes::EmitSchedule(llvm::MachineInstrBundleIterator<llvm::MachineInstr, false>&)
/lib64/libLLVM.so.20.1 0xbfe3ff
Build id: 29c13cc694e1322fc53e88459744e67d49823aa2 		-
5
llvm::SelectionDAGISel::CodeGenAndEmitDAG()
/lib64/libLLVM.so.20.1 0xccfffb
Build id: 29c13cc694e1322fc53e88459744e67d49823aa2 		-
6
llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&)
/lib64/libLLVM.so.20.1 0xccf0bd
Build id: 29c13cc694e1322fc53e88459744e67d49823aa2 		-
7
llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&)
/lib64/libLLVM.so.20.1 0xccc052
Build id: 29c13cc694e1322fc53e88459744e67d49823aa2 		-
8
llvm::SelectionDAGISelLegacy::runOnMachineFunction(llvm::MachineFunction&)
/lib64/libLLVM.so.20.1 0xcc9f18
Build id: 29c13cc694e1322fc53e88459744e67d49823aa2 		-
9
llvm::MachineFunctionPass::runOnFunction(llvm::Function&)
/lib64/libLLVM.so.20.1 0x71bb6c
Build id: 29c13cc694e1322fc53e88459744e67d49823aa2 		-
10
llvm::FPPassManager::runOnFunction(llvm::Function&)
/lib64/libLLVM.so.20.1 0x3d849c
Build id: 29c13cc694e1322fc53e88459744e67d49823aa2 		-
11
llvm::FPPassManager::runOnModule(llvm::Module&)
/lib64/libLLVM.so.20.1 0x3e0613
Build id: 29c13cc694e1322fc53e88459744e67d49823aa2 		-
12
llvm::legacy::PassManagerImpl::run(llvm::Module&)
/lib64/libLLVM.so.20.1 0x3d8d6f
Build id: 29c13cc694e1322fc53e88459744e67d49823aa2 		-
13
LLVMRustWriteOutputFile
/lib64/librustc_driver-a71166d151f1304d.so 0x3b0f1fe
Build id: bd68c76756d53fa6bc43413c20a9f005efe33e17 		-
14
_RNvNtNtCs8q6JXCiUWAK_18rustc_codegen_llvm4back5write17write_output_file
/lib64/librustc_driver-a71166d151f1304d.so 0x33dd8ce
Build id: bd68c76756d53fa6bc43413c20a9f005efe33e17 		-
15
_RNvXs1_Cs8q6JXCiUWAK_18rustc_codegen_llvmNtB5_18LlvmCodegenBackendNtNtNtCsksOop23hW0h_17rustc_codegen_ssa6traits5write19WriteBackendMethods7codegen
/lib64/librustc_driver-a71166d151f1304d.so 0x33f3475
Build id: bd68c76756d53fa6bc43413c20a9f005efe33e17 		-
16
_RINvNtNtCse9P0w6g3mbm_3std3sys9backtrace28___rust_begin_short_backtraceNCINvXs0_Cs8q6JXCiUWAK_18rustc_codegen_llvmNtB1g_18LlvmCodegenBackendNtNtNtCsksOop23hW0h_17rustc_codegen_ssa6traits7backend19ExtraBackendMethods18spawn_named_threadNCINvNtNtB2k_4back5write10spawn_workB1O_E0uE0uEB1g_
/lib64/librustc_driver-a71166d151f1304d.so 0x33b8cad
Build id: bd68c76756d53fa6bc43413c20a9f005efe33e17 		-
17
_RNSNvYNCINvNtNtCse9P0w6g3mbm_3std6thread9lifecycle15spawn_uncheckedNCINvXs0_Cs8q6JXCiUWAK_18rustc_codegen_llvmNtB1c_18LlvmCodegenBackendNtNtNtCsksOop23hW0h_17rustc_codegen_ssa6traits7backend19ExtraBackendMethods18spawn_named_threadNCINvNtNtB2g_4back5write10spawn_workB1K_E0uE0uEs_0INtNtNtCs3pveMh5d61C_4core3ops8function6FnOnceuE9call_once6vtableB1c_
/lib64/librustc_driver-a71166d151f1304d.so 0x33c0904
Build id: bd68c76756d53fa6bc43413c20a9f005efe33e17 		-
18
_RNvNvMs0_NtNtNtCse9P0w6g3mbm_3std3sys6thread4unixNtB7_6Thread3new12thread_start.llvm.14736552351988665840
/lib64/librustc_driver-a71166d151f1304d.so 0x3ae5701
Build id: bd68c76756d53fa6bc43413c20a9f005efe33e17 		-
19
start_thread
/lib64/libc.so.6 0x71f34
Build id: 17a908195ad4110e58083fc22fd8ac486d01da53 		-
20
__clone3
/lib64/libc.so.6 0xf536c
Build id: 17a908195ad4110e58083fc22fd8ac486d01da53 		-