From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com
Subject: /bin/bash: line 1: 1499142 Segmentation fault clang -Wp,-MMD,kernel/.ptrace.o.d -nostdinc -Iarch/mips/include -I./arch/mips/include/generated -Iinclude -I./include -Iarch/mips/include/uapi -I./arch/mips/include/generated/uapi -Iinclude/uapi -I./inclu...
Date: Tue, 07 Jul 2026 17:34:40 +0800 [thread overview]
Message-ID: <202607071747.cee58tUI-lkp@intel.com> (raw)
::::::
:::::: Manual check reason: "clang compiler bug"
::::::
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: "Christian Brauner (Amutable)" <brauner@kernel.org>
CC: Jann Horn <jannh@google.com>
CC: "David Hildenbrand (arm)" <david@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 0e35b9b6ec0ffcc5e23cbdec09f5c622ad532b53
commit: 92f829f6b2faad37a5582df73df01c93d4429821 ptrace: add ptracer_access_allowed()
date: 6 weeks ago
:::::: branch date: 8 hours ago
:::::: commit date: 6 weeks ago
config: mips-randconfig-r123-20260705 (https://download.01.org/0day-ci/archive/20260707/202607071747.cee58tUI-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 0a2fb2a2269da0e2a3e230beb6cad39ca314db33)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260707/202607071747.cee58tUI-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: 92f829f6b2fa ("ptrace: add ptracer_access_allowed()")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202607071747.cee58tUI-lkp@intel.com/
Note: functions only called from assembly code should be annotated with the asmlinkage attribute
All errors (new ones prefixed by >>):
kernel/ptrace.c:1423:1: warning: alias and aliasee have different types 'long (long, long, unsigned long, unsigned long)' and 'long (typeof (__builtin_choose_expr((__builtin_types_compatible_p(typeof ((long)0), typeof (0LL)) || __builtin_types_compatible_p(typeof ((long)0), typeof (0ULL))), 0LL, 0L)), typeof (__builtin_choose_expr((__builtin_types_compatible_p(typeof ((long)0), typeof (0LL)) || __builtin_types_compatible_p(typeof ((long)0), typeof (0ULL))), 0LL, 0L)), typeof (__builtin_choose_expr((__builtin_types_compatible_p(typeof ((unsigned long)0), typeof (0LL)) || __builtin_types_compatible_p(typeof ((unsigned long)0), typeof (0ULL))), 0LL, 0L)), typeof (__builtin_choose_expr((__builtin_types_compatible_p(typeof ((unsigned long)0), typeof (0LL)) || __builtin_types_compatible_p(typeof ((unsigned long)0), typeof (0ULL))), 0LL, 0L)))' (aka 'long (long, long, long, long)') [-Wattribute-alias]
1423 | SYSCALL_DEFINE4(ptrace, long, request, long, pid, unsigned long, addr,
| ^
include/linux/syscalls.h:228:36: note: expanded from macro 'SYSCALL_DEFINE4'
228 | #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
| ^
include/linux/syscalls.h:236:2: note: expanded from macro 'SYSCALL_DEFINEx'
236 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^
include/linux/syscalls.h:251:18: note: expanded from macro '__SYSCALL_DEFINEx'
251 | __attribute__((alias(__stringify(__se_sys##name)))); \
| ^
kernel/ptrace.c:1423:1: note: aliasee is declared here
include/linux/syscalls.h:228:36: note: expanded from macro 'SYSCALL_DEFINE4'
228 | #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
| ^
include/linux/syscalls.h:236:2: note: expanded from macro 'SYSCALL_DEFINEx'
236 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^
include/linux/syscalls.h:255:18: note: expanded from macro '__SYSCALL_DEFINEx'
255 | asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
| ^
<scratch space>:21:1: note: expanded from here
21 | __se_sys_ptrace
| ^
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and dumped files.
Stack dump:
0. Program arguments: clang -Wp,-MMD,kernel/.ptrace.o.d -nostdinc -Iarch/mips/include -I./arch/mips/include/generated -Iinclude -I./include -Iarch/mips/include/uapi -I./arch/mips/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ --target=mipsel-linux-gnu -fintegrated-as -Werror=unknown-warning-option -Werror=ignored-optimization-argument -Werror=option-ignored -Werror=unused-command-line-argument -DVMLINUX_LOAD_ADDRESS=0xffffffff80040000 -DLINKER_LOAD_ADDRESS=0x80040000 -DDATAOFFSET=0 -fmacro-prefix-map== -Wundef -DKBUILD_EXTRA_WARN1 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -std=gnu11 -fms-anonymous-structs -Wno-gnu -Wno-microsoft-anon-tag -mno-check-zero-division -mabi=32 -G 0 -mno-abicalls -fno-pic -pipe -msoft-float -Wa,-msoft-float -ffreestanding -EL -fno-stack-check -march=mips3 -Wa,--trap -DTOOLCHAIN_SUPPORTS_VIRT -Iarch/mips/include/asm/mach-dec -Iarch/mips/include/asm/mach-generic -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -O2 -fstack-protector-strong -fomit-frame-pointer -ftrivial-auto-var-init=zero -fexperimental-late-parse-attributes -fdiagnostics-show-inlining-chain -fstrict-flex-arrays=3 -fno-strict-overflow -fno-stack-check -fno-builtin-wcslen -Wall -Wextra -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wno-address-of-packed-member -Wmissing-declarations -Wmissing-prototypes -Wno-format-overflow-non-kprintf -Wno-format-truncation-non-kprintf -Wno-default-const-init-unsafe -Wno-type-limits -Wno-pointer-sign -Wcast-function-type -Wno-unterminated-string-initialization -Wimplicit-fallthrough -Werror=date-time -Werror=incompatible-pointer-types -Wenum-conversion -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-shift-negative-value -Wno-enum-enum-conversion -Wno-sign-compare -Wno-unused-parameter -DRANDSTRUCT -frandomize-layout-seed-file=./scripts/basic/randstruct.seed -fno-crash-diagnostics -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -falign-functions=64 -fsanitize-coverage=trace-pc -fsanitize-coverage=trace-cmp -Ikernel -Ikernel -DKBUILD_MODFILE=\"kernel/ptrace\" -DKBUILD_BASENAME=\"ptrace\" -DKBUILD_MODNAME=\"ptrace\" -D__KBUILD_MODNAME=ptrace -c -o kernel/ptrace.o kernel/ptrace.c
1. <eof> parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module 'kernel/ptrace.c'.
4. Running pass 'Branch Probability Basic Block Placement' on function '@ptracer_access_allowed'
#0 0x0000556b207a613a llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (clang-23+0x3e6913a)
#1 0x0000556b207a3ce4 llvm::sys::CleanupOnSignal(unsigned long) (clang-23+0x3e66ce4)
#2 0x0000556b206d8cc0 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
#3 0x00007f8b95d33df0 (/lib/x86_64-linux-gnu/libc.so.6+0x3fdf0)
#4 0x0000556b1fdd050a llvm::TailDuplicator::tailDuplicate(bool, llvm::MachineBasicBlock*, llvm::MachineBasicBlock*, llvm::SmallVectorImpl<llvm::MachineBasicBlock*>&, llvm::SmallVectorImpl<llvm::MachineInstr*>&, llvm::SmallVectorImpl<llvm::MachineBasicBlock*>*) (clang-23+0x349350a)
#5 0x0000556b1fdd1c15 llvm::TailDuplicator::tailDuplicateAndUpdate(bool, llvm::MachineBasicBlock*, llvm::MachineBasicBlock*, llvm::SmallVectorImpl<llvm::MachineBasicBlock*>*, llvm::function_ref<void (llvm::MachineBasicBlock*)>*, llvm::SmallVectorImpl<llvm::MachineBasicBlock*>*) (clang-23+0x3494c15)
#6 0x0000556b1fb1b428 (anonymous namespace)::MachineBlockPlacement::maybeTailDuplicateBlock(llvm::MachineBasicBlock*, llvm::MachineBasicBlock*, (anonymous namespace)::BlockChain&, llvm::SmallSetVector<llvm::MachineBasicBlock const*, 16u>*, llvm::ilist_iterator<llvm::ilist_detail::node_options<llvm::MachineBasicBlock, false, false, void, false, void>, false, false>&, llvm::MachineBasicBlock const* const*&, bool&) MachineBlockPlacement.cpp:0:0
#7 0x0000556b1fb1c354 (anonymous namespace)::MachineBlockPlacement::repeatedlyTailDuplicateBlock(llvm::MachineBasicBlock*, llvm::MachineBasicBlock*&, llvm::MachineBasicBlock const*, (anonymous namespace)::BlockChain&, llvm::SmallSetVector<llvm::MachineBasicBlock const*, 16u>*, llvm::ilist_iterator<llvm::ilist_detail::node_options<llvm::MachineBasicBlock, false, false, void, false, void>, false, false>&, llvm::MachineBasicBlock const* const*&) (.isra.0) MachineBlockPlacement.cpp:0:0
#8 0x0000556b1fb1fc74 (anonymous namespace)::MachineBlockPlacement::buildCFGChains() MachineBlockPlacement.cpp:0:0
#9 0x0000556b1fb21003 (anonymous namespace)::MachineBlockPlacement::run(llvm::MachineFunction&) MachineBlockPlacement.cpp:0:0
#10 0x0000556b1fb2440c (anonymous namespace)::MachineBlockPlacementLegacy::runOnMachineFunction(llvm::MachineFunction&) (.part.0) MachineBlockPlacement.cpp:0:0
#11 0x0000556b1fb666b3 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (clang-23+0x32296b3)
#12 0x0000556b200b4c79 llvm::FPPassManager::runOnFunction(llvm::Function&) (clang-23+0x3777c79)
#13 0x0000556b200b50ac llvm::FPPassManager::runOnModule(llvm::Module&) (clang-23+0x37780ac)
#14 0x0000556b200b5c4a (anonymous namespace)::MPPassManager::runOnModule(llvm::Module&) LegacyPassManager.cpp:0:0
#15 0x0000556b200b631c llvm::legacy::PassManagerImpl::run(llvm::Module&) (clang-23+0x377931c)
#16 0x0000556b20b4e1bf (anonymous namespace)::EmitAssemblyHelper::TimeCodegenPasses(llvm::function_ref<void ()>) BackendUtil.cpp:0:0
#17 0x0000556b20b5f5a4 (anonymous namespace)::EmitAssemblyHelper::emitAssembly(clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>, clang::BackendConsumer*) (.constprop.0) BackendUtil.cpp:0:0
#18 0x0000556b20b5f7f7 clang::emitBackendOutput(clang::CompilerInstance&, clang::CodeGenOptions&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>, clang::BackendConsumer*) (clang-23+0x42227f7)
#19 0x0000556b21194047 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (clang-23+0x4857047)
#20 0x0000556b22b8f99c clang::ParseAST(clang::Sema&, bool, bool) (clang-23+0x625299c)
#21 0x0000556b214f781e clang::FrontendAction::Execute() (clang-23+0x4bba81e)
#22 0x0000556b21480b9e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (clang-23+0x4b43b9e)
#23 0x0000556b215e0dc7 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (clang-23+0x4ca3dc7)
#24 0x0000556b1d814738 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (clang-23+0xed7738)
#25 0x0000556b1d80c413 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>) driver.cpp:0:0
#26 0x0000556b1d80c453 int llvm::function_ref<int (llvm::SmallVectorImpl<char const*>&)>::callback_fn<clang_main(int, char**, llvm::ToolContext const&)::'lambda'(llvm::SmallVectorImpl<char const*>&)>(long, llvm::SmallVectorImpl<char const*>&) driver.cpp:0:0
#27 0x0000556b2120d5f9 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>*, bool*) const::'lambda'()>(long) Job.cpp:0:0
#28 0x0000556b206d9023 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (clang-23+0x3d9c023)
#29 0x0000556b2120eb4c clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>*, bool*) const (.part.0) Job.cpp:0:0
#30 0x0000556b211ca228 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (clang-23+0x488d228)
#31 0x0000556b211cb1c2 clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&, bool) const (clang-23+0x488e1c2)
#32 0x0000556b211dea0c clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (clang-23+0x48a1a0c)
#33 0x0000556b1d8110d2 clang_main(int, char**, llvm::ToolContext const&) (clang-23+0xed40d2)
#34 0x0000556b1d725df9 main (clang-23+0xde8df9)
#35 0x00007f8b95d1dca8 (/lib/x86_64-linux-gnu/libc.so.6+0x29ca8)
#36 0x00007f8b95d1dd65 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29d65)
#37 0x0000556b1d80be71 _start (clang-23+0xecee71)
clang: error: clang frontend command failed due to signal (use -v to see invocation)
>> /bin/bash: line 1: 1499142 Segmentation fault clang -Wp,-MMD,kernel/.ptrace.o.d -nostdinc -Iarch/mips/include -I./arch/mips/include/generated -Iinclude -I./include -Iarch/mips/include/uapi -I./arch/mips/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ --target=mipsel-linux-gnu -fintegrated-as -Werror=unknown-warning-option -Werror=ignored-optimization-argument -Werror=option-ignored -Werror=unused-command-line-argument -DVMLINUX_LOAD_ADDRESS=0xffffffff80040000 -DLINKER_LOAD_ADDRESS=0x80040000 -DDATAOFFSET=0 -fmacro-prefix-map== -Wundef -DKBUILD_EXTRA_WARN1 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -std=gnu11 -fms-anonymous-structs -Wno-gnu -Wno-microsoft-anon-tag -mno-check-zero-division -mabi=32 -G 0 -mno-abicalls -fno-pic -pipe -msoft-float -Wa,-msoft-float -ffreestanding -EL -fno-stack-check -march=mips3 -Wa,--trap -DTOOLCHAIN_SUPPORTS_VIRT -Iarch/mips/include/asm/mach-dec -Iarch/mips/include/asm/mach-generic -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -O2 -fstack-protector-strong -fomit-frame-pointer -ftrivial-auto-var-init=zero -fexperimental-late-parse-attributes -fdiagnostics-show-inlining-chain -fstrict-flex-arrays=3 -fno-strict-overflow -fno-stack-check -fno-builtin-wcslen -Wall -Wextra -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wno-address-of-packed-member -Wmissing-declarations -Wmissing-prototypes -Wno-format-overflow-non-kprintf -Wno-format-truncation-non-kprintf -Wno-default-const-init-unsafe -Wno-type-limits -Wno-pointer-sign -Wcast-function-type -Wno-unterminated-string-initialization -Wimplicit-fallthrough -Werror=date-time -Werror=incompatible-pointer-types -Wenum-conversion -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-shift-negative-value -Wno-enum-enum-conversion -Wno-sign-compare -Wno-unused-parameter -DRANDSTRUCT -frandomize-layout-seed-file=./scripts/basic/randstruct.seed -fno-crash-diagnostics -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -falign-functions=64 -fsanitize-coverage=trace-pc -fsanitize-coverage=trace-cmp -Ikernel -Ikernel -DKBUILD_MODFILE='"kernel/ptrace"' -DKBUILD_BASENAME='"ptrace"' -DKBUILD_MODNAME='"ptrace"' -D__KBUILD_MODNAME=ptrace -c -o kernel/ptrace.o kernel/ptrace.c
--
arch/mips/kernel/traps.c:1592:17: warning: variable 'prev_state' set but not used [-Wunused-but-set-variable]
1592 | enum ctx_state prev_state;
| ^
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and dumped files.
Stack dump:
0. Program arguments: clang -Wp,-MMD,arch/mips/kernel/.traps.o.d -nostdinc -Iarch/mips/include -I./arch/mips/include/generated -Iinclude -I./include -Iarch/mips/include/uapi -I./arch/mips/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ --target=mipsel-linux-gnu -fintegrated-as -Werror=unknown-warning-option -Werror=ignored-optimization-argument -Werror=option-ignored -Werror=unused-command-line-argument -DVMLINUX_LOAD_ADDRESS=0xffffffff80040000 -DLINKER_LOAD_ADDRESS=0x80040000 -DDATAOFFSET=0 -fmacro-prefix-map== -Wundef -DKBUILD_EXTRA_WARN1 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -std=gnu11 -fms-anonymous-structs -Wno-gnu -Wno-microsoft-anon-tag -mno-check-zero-division -mabi=32 -G 0 -mno-abicalls -fno-pic -pipe -msoft-float -Wa,-msoft-float -ffreestanding -EL -fno-stack-check -march=mips3 -Wa,--trap -DTOOLCHAIN_SUPPORTS_VIRT -Iarch/mips/include/asm/mach-dec -Iarch/mips/include/asm/mach-generic -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -O2 -fstack-protector-strong -fomit-frame-pointer -ftrivial-auto-var-init=zero -fexperimental-late-parse-attributes -fdiagnostics-show-inlining-chain -fstrict-flex-arrays=3 -fno-strict-overflow -fno-stack-check -fno-builtin-wcslen -Wall -Wextra -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wno-address-of-packed-member -Wmissing-declarations -Wmissing-prototypes -Wno-format-overflow-non-kprintf -Wno-format-truncation-non-kprintf -Wno-default-const-init-unsafe -Wno-type-limits -Wno-pointer-sign -Wcast-function-type -Wno-unterminated-string-initialization -Wimplicit-fallthrough -Werror=date-time -Werror=incompatible-pointer-types -Wenum-conversion -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-shift-negative-value -Wno-enum-enum-conversion -Wno-sign-compare -Wno-unused-parameter -DRANDSTRUCT -frandomize-layout-seed-file=./scripts/basic/randstruct.seed -fno-crash-diagnostics -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -falign-functions=64 -fsanitize-coverage=trace-pc -fsanitize-coverage=trace-cmp -Iarch/mips/kernel -Iarch/mips/kernel -DKBUILD_MODFILE=\"arch/mips/kernel/traps\" -DKBUILD_BASENAME=\"traps\" -DKBUILD_MODNAME=\"traps\" -D__KBUILD_MODNAME=traps -c -o arch/mips/kernel/traps.o arch/mips/kernel/traps.c
1. <eof> parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module 'arch/mips/kernel/traps.c'.
4. Running pass 'Branch Probability Basic Block Placement' on function '@show_stack'
#0 0x000055c7a66b413a llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (clang-23+0x3e6913a)
#1 0x000055c7a66b1ce4 llvm::sys::CleanupOnSignal(unsigned long) (clang-23+0x3e66ce4)
#2 0x000055c7a65e6cc0 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
#3 0x00007fe94d52cdf0 (/lib/x86_64-linux-gnu/libc.so.6+0x3fdf0)
#4 0x000055c7a5cdae8f llvm::TailDuplicator::shouldTailDuplicate(bool, llvm::MachineBasicBlock&) (.part.0) TailDuplicator.cpp:0:0
#5 0x000055c7a5a2dbfa (anonymous namespace)::MachineBlockPlacement::buildCFGChains() MachineBlockPlacement.cpp:0:0
#6 0x000055c7a5a2f003 (anonymous namespace)::MachineBlockPlacement::run(llvm::MachineFunction&) MachineBlockPlacement.cpp:0:0
#7 0x000055c7a5a3240c (anonymous namespace)::MachineBlockPlacementLegacy::runOnMachineFunction(llvm::MachineFunction&) (.part.0) MachineBlockPlacement.cpp:0:0
#8 0x000055c7a5a746b3 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (clang-23+0x32296b3)
#9 0x000055c7a5fc2c79 llvm::FPPassManager::runOnFunction(llvm::Function&) (clang-23+0x3777c79)
#10 0x000055c7a5fc30ac llvm::FPPassManager::runOnModule(llvm::Module&) (clang-23+0x37780ac)
#11 0x000055c7a5fc3c4a (anonymous namespace)::MPPassManager::runOnModule(llvm::Module&) LegacyPassManager.cpp:0:0
#12 0x000055c7a5fc431c llvm::legacy::PassManagerImpl::run(llvm::Module&) (clang-23+0x377931c)
#13 0x000055c7a6a5c1bf (anonymous namespace)::EmitAssemblyHelper::TimeCodegenPasses(llvm::function_ref<void ()>) BackendUtil.cpp:0:0
#14 0x000055c7a6a6d5a4 (anonymous namespace)::EmitAssemblyHelper::emitAssembly(clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>, clang::BackendConsumer*) (.constprop.0) BackendUtil.cpp:0:0
#15 0x000055c7a6a6d7f7 clang::emitBackendOutput(clang::CompilerInstance&, clang::CodeGenOptions&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>, clang::BackendConsumer*) (clang-23+0x42227f7)
#16 0x000055c7a70a2047 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (clang-23+0x4857047)
#17 0x000055c7a8a9d99c clang::ParseAST(clang::Sema&, bool, bool) (clang-23+0x625299c)
#18 0x000055c7a740581e clang::FrontendAction::Execute() (clang-23+0x4bba81e)
#19 0x000055c7a738eb9e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (clang-23+0x4b43b9e)
#20 0x000055c7a74eedc7 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (clang-23+0x4ca3dc7)
#21 0x000055c7a3722738 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (clang-23+0xed7738)
#22 0x000055c7a371a413 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>) driver.cpp:0:0
#23 0x000055c7a371a453 int llvm::function_ref<int (llvm::SmallVectorImpl<char const*>&)>::callback_fn<clang_main(int, char**, llvm::ToolContext const&)::'lambda'(llvm::SmallVectorImpl<char const*>&)>(long, llvm::SmallVectorImpl<char const*>&) driver.cpp:0:0
#24 0x000055c7a711b5f9 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>*, bool*) const::'lambda'()>(long) Job.cpp:0:0
#25 0x000055c7a65e7023 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (clang-23+0x3d9c023)
#26 0x000055c7a711cb4c clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>*, bool*) const (.part.0) Job.cpp:0:0
#27 0x000055c7a70d8228 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (clang-23+0x488d228)
#28 0x000055c7a70d91c2 clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&, bool) const (clang-23+0x488e1c2)
#29 0x000055c7a70eca0c clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (clang-23+0x48a1a0c)
#30 0x000055c7a371f0d2 clang_main(int, char**, llvm::ToolContext const&) (clang-23+0xed40d2)
#31 0x000055c7a3633df9 main (clang-23+0xde8df9)
#32 0x00007fe94d516ca8 (/lib/x86_64-linux-gnu/libc.so.6+0x29ca8)
#33 0x00007fe94d516d65 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29d65)
#34 0x000055c7a3719e71 _start (clang-23+0xecee71)
clang: error: clang frontend command failed due to signal (use -v to see invocation)
>> /bin/bash: line 1: 1499145 Segmentation fault clang -Wp,-MMD,arch/mips/kernel/.traps.o.d -nostdinc -Iarch/mips/include -I./arch/mips/include/generated -Iinclude -I./include -Iarch/mips/include/uapi -I./arch/mips/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ --target=mipsel-linux-gnu -fintegrated-as -Werror=unknown-warning-option -Werror=ignored-optimization-argument -Werror=option-ignored -Werror=unused-command-line-argument -DVMLINUX_LOAD_ADDRESS=0xffffffff80040000 -DLINKER_LOAD_ADDRESS=0x80040000 -DDATAOFFSET=0 -fmacro-prefix-map== -Wundef -DKBUILD_EXTRA_WARN1 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -std=gnu11 -fms-anonymous-structs -Wno-gnu -Wno-microsoft-anon-tag -mno-check-zero-division -mabi=32 -G 0 -mno-abicalls -fno-pic -pipe -msoft-float -Wa,-msoft-float -ffreestanding -EL -fno-stack-check -march=mips3 -Wa,--trap -DTOOLCHAIN_SUPPORTS_VIRT -Iarch/mips/include/asm/mach-dec -Iarch/mips/include/asm/mach-generic -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -O2 -fstack-protector-strong -fomit-frame-pointer -ftrivial-auto-var-init=zero -fexperimental-late-parse-attributes -fdiagnostics-show-inlining-chain -fstrict-flex-arrays=3 -fno-strict-overflow -fno-stack-check -fno-builtin-wcslen -Wall -Wextra -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wno-address-of-packed-member -Wmissing-declarations -Wmissing-prototypes -Wno-format-overflow-non-kprintf -Wno-format-truncation-non-kprintf -Wno-default-const-init-unsafe -Wno-type-limits -Wno-pointer-sign -Wcast-function-type -Wno-unterminated-string-initialization -Wimplicit-fallthrough -Werror=date-time -Werror=incompatible-pointer-types -Wenum-conversion -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-shift-negative-value -Wno-enum-enum-conversion -Wno-sign-compare -Wno-unused-parameter -DRANDSTRUCT -frandomize-layout-seed-file=./scripts/basic/randstruct.seed -fno-crash-diagnostics -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -falign-functions=64 -fsanitize-coverage=trace-pc -fsanitize-coverage=trace-cmp -Iarch/mips/kernel -Iarch/mips/kernel -DKBUILD_MODFILE='"arch/mips/kernel/traps"' -DKBUILD_BASENAME='"traps"' -DKBUILD_MODNAME='"traps"' -D__KBUILD_MODNAME=traps -c -o arch/mips/kernel/traps.o arch/mips/kernel/traps.c
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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