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Ella Ma 59b89a3124 [llvm][clang][mlir] Add checks for the return values from Target::createXXX to prevent protential null deref 
All these potential null pointer dereferences are reported by my static analyzer for null smart pointer dereferences, which has a different implementation from `alpha.cplusplus.SmartPtr`.

The checked pointers in this patch are initialized by Target::createXXX functions. When the creator function pointer is not correctly set, a null pointer will be returned, or the creator function may originally return a null pointer.

Some of them may not make sense as they may be checked before entering the function, but I fixed them all in this patch. I submit this fix because 1) similar checks are found in some other places in the LLVM codebase for the same return value of the function; and, 2) some of the pointers are dereferenced before they are checked, which may definitely trigger a null pointer dereference if the return value is nullptr.

Reviewed By: tejohnson, MaskRay, jpienaar

Differential Revision: https://reviews.llvm.org/D91410
2020-11-21 21:04:12 -08:00
..
bugpoint llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
bugpoint-passes Reverted the remainings of c1c9819ef91aab51b5a23fb3027adac5a2f551cc 2020-02-11 16:20:06 -08:00
dsymutil [dsymutil] Generalize handling of aliases external symbols 2020-11-16 11:04:31 -08:00
gold [AIX] Turn -fdata-sections on by default in Clang 2020-10-14 15:58:31 +00:00
llc llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
lli llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-ar llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-as llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-as-fuzzer Fix several places that were calling verifyFunction or verifyModule without checking the return value. 2020-05-18 13:28:46 -07:00
llvm-bcanalyzer llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-c-test C API: support scalable vectors 2020-10-28 18:19:34 -04:00
llvm-cat llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-cfi-verify llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-config [MinGW] Use lib prefix for libraries 2020-09-12 22:01:29 +03:00
llvm-cov llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-cvtres llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-cxxdump llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-cxxfilt Make llvm::StringRef to std::string conversions explicit. 2020-01-28 23:25:25 +01:00
llvm-cxxmap llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-diff llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-dis llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-dwarfdump llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-dwp llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-elfabi llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-exegesis [llvm][clang][mlir] Add checks for the return values from Target::createXXX to prevent protential null deref 2020-11-21 21:04:12 -08:00
llvm-extract llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-go Reinstate llvm-go to test the go bindings. 2020-02-13 17:24:55 -08:00
llvm-gsymutil Fix GSYM tests to run the yaml files and fix test failures on some machines. 2020-03-04 19:14:08 -08:00
llvm-ifs llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-isel-fuzzer [AIX] Turn -fdata-sections on by default in Clang 2020-10-14 15:58:31 +00:00
llvm-itanium-demangle-fuzzer Fix file header issues in fuzzers. NFC 2019-02-21 07:57:14 +00:00
llvm-jitlink [ORC] Fix missing return value. 2020-11-14 09:31:20 +11:00
llvm-jitlistener [MCJIT] Profile the code generated by MCJIT engine using Intel VTune profiler 2020-11-16 19:28:14 +11:00
llvm-libtool-darwin llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-link llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-lipo llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-lto llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-lto2 llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-mc [llvm][clang][mlir] Add checks for the return values from Target::createXXX to prevent protential null deref 2020-11-21 21:04:12 -08:00
llvm-mc-assemble-fuzzer Add missing include Host.h in llvm-mc-* fuzzers. NFC. 2020-05-18 02:21:22 +07:00
llvm-mc-disassemble-fuzzer Add missing include Host.h in llvm-mc-* fuzzers. NFC. 2020-05-18 02:21:22 +07:00
llvm-mca [llvm][clang][mlir] Add checks for the return values from Target::createXXX to prevent protential null deref 2020-11-21 21:04:12 -08:00
llvm-microsoft-demangle-fuzzer Give microsoftDemangle() an outparam for how many input bytes were consumed. 2020-05-20 16:17:31 -04:00
llvm-ml [llvm][clang][mlir] Add checks for the return values from Target::createXXX to prevent protential null deref 2020-11-21 21:04:12 -08:00
llvm-modextract llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-mt llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-nm llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-objcopy llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-objdump [llvm][clang][mlir] Add checks for the return values from Target::createXXX to prevent protential null deref 2020-11-21 21:04:12 -08:00
llvm-opt-fuzzer [NFC] Clean up PassBuilder 2020-10-30 10:03:59 -07:00
llvm-opt-report Make llvm::StringRef to std::string conversions explicit. 2020-01-28 23:25:25 +01:00
llvm-pdbutil llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-profdata llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-profgen Fix shared build. 2020-11-21 17:07:42 -05:00
llvm-rc llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-readobj [llvm-readelf/obj] - Improve error reporting when dumping group sections. 2020-11-20 12:40:23 +03:00
llvm-reduce llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-rtdyld [llvm][clang][mlir] Add checks for the return values from Target::createXXX to prevent protential null deref 2020-11-21 21:04:12 -08:00
llvm-shlib [Support] On Windows, add optional support for {rpmalloc|snmalloc|mimalloc} 2020-08-27 11:09:46 -04:00
llvm-size llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-special-case-list-fuzzer Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
llvm-split llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-stress llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-strings llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-symbolizer Revert several changes related to llvm-symbolizer exiting non-zero on failure. 2020-10-21 15:21:44 -07:00
llvm-undname llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
llvm-xray Internalize functions from various tools. NFC 2020-09-26 15:57:13 -07:00
llvm-yaml-numeric-parser-fuzzer Fix file header issues in fuzzers. NFC 2019-02-21 07:57:14 +00:00
llvm-yaml-parser-fuzzer [YAMLIO] Support non-null-terminated inputs 2020-11-18 23:06:03 +00:00
lto [AIX] Turn -fdata-sections on by default in Clang 2020-10-14 15:58:31 +00:00
msbuild vs integration: bump version nbr 2019-06-19 07:39:53 +00:00
obj2yaml [WebAssembly] Add support for named globals in the object format. 2020-11-19 00:17:22 -08:00
opt [NPM] Add implicit basic-aa before other AA 2020-11-18 13:48:24 -08:00
opt-viewer Convert old python3 cgi method into the new html one 2020-03-25 22:38:55 +01:00
remarks-shlib [tools][remarks-shlib] Don't build libRemarks.so without PIC 2020-09-20 12:40:21 +02:00
sancov [Support] Use InitLLVM in llvm-stress, sancov and TableGen 2020-07-28 07:50:45 -04:00
sanstats Internalize functions from various tools. NFC 2020-09-26 15:57:13 -07:00
split-file [split-file] Fix sys::fs::remove() on Solaris after D83834 2020-08-11 08:05:10 -07:00
verify-uselistorder llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
vfabi-demangle-fuzzer [llvm][VectorUtils] Tweak VFShape for scalable vector functions. 2020-01-30 05:53:56 +00:00
xcode-toolchain [CMake] Use LLVM_ENABLE_IDE instead of CMAKE_CONFIGURATION_TYPES 2018-10-15 21:20:02 +00:00
yaml2obj [llvm] Make obj2yaml and yaml2obj LLVM utilities instead of tools 2020-10-19 10:21:21 -07:00
CMakeLists.txt [Flang] add flang as a new subproject in cmake 2020-04-09 16:13:18 +01:00