Date: Tue, 23 Nov 2021 18:07:56 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 260000] clang crash while compiling libarchive with -m32 and -fsanitize=address Message-ID: <bug-260000-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D260000 Bug ID: 260000 Summary: clang crash while compiling libarchive with -m32 and -fsanitize=3Daddress Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: markj@FreeBSD.org Building world with WITH_ASAN=3D I hit this near the end of the build: markj@nuc> sh archive_read_support_format_tar-29e157.sh=20 Assertion failed: (!Op->getType()->isPointerTy() && "Can't extend pointer!"= ), function getZeroExtendExpr, file /root/freebsd/contrib/llvm-project/llvm/lib/Analysis/ScalarEvolution.cpp, l= ine 1582. PLEASE submit a bug report to https://bugs.freebsd.org/submit/ and include = the crash backtrace, preprocessed source, and associated run script. Stack dump: 0. Program arguments: /usr/bin/cc -cc1 -triple i386-unknown-freebsd14.0 -emit-obj --mrelax-relocations -disable-free -main-file-name archive_read_support_format_tar.c -mrelocation-model pic -pic-level 2 -fhalf-no-semantic-interposition -mframe-pointer=3Dall -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu i686 -target-feature +mmx -target-feature +sse -target-feature +sse2 -debug-info-kind=3Dstandalone -dwarf-version=3D4 -debugger-tuning=3Dgdb --compress-debug-sections=3Dzlib -fcoverage-compilation-dir=3D/usr/obj/usr/home/markj/src/freebsd/amd64.amd6= 4/obj-lib32/lib/libarchive -sys-header-deps -D COMPAT_32BIT -D PIC -D HAVE_ICONV=3D1 -D HAVE_ICONV_H= =3D1 -D ICONV_CONST=3D -D HAVE_BZLIB_H=3D1 -D HAVE_LIBLZMA=3D1 -D HAVE_LZMA_H=3D1 -D HAVE_ZSTD_H=3D1 -D HAVE_LIBZSTD=3D1 -D PLATFORM_CONFIG_H=3D\"/usr/home/markj/src/freebsd/lib/libarchive/config_fre= ebsd.h\" -D WITH_OPENSSL -O2 -Wno-format-zero-length -Wsystem-headers -Werror -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-stri= ngs -Wswitch -Wshadow -Wunused-parameter -Wchar-subscripts -Wnested-externs -Wredundant-decls -Wold-style-definition -Wno-pointer-sign -Wmissing-variable-declarations -Wthread-safety -Wno-empty-body -Wno-string-plus-int -Wno-unused-const-variable -Wno-error=3Dunused-but-set-variable -std=3Dgnu99 -fconst-strings -fdebug-compilation-dir=3D/usr/obj/usr/home/markj/src/freebsd/amd64.amd64/o= bj-lib32/lib/libarchive -ferror-limit 19 -fsanitize=3Daddress -fsanitize-recover=3Daddress -fsanitize-address-use-after-scope -fno-assume-sane-operator-new -stack-protector 2 -fgnuc-version=3D4.2.1 -vectorize-loops -vectorize-slp -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=3D1 -x c archive_read_support_format_tar-29e157.c 1. <eof> parser at end of file 2. Code generation 3. Running pass 'Function Pass Manager' on module 'archive_read_support_format_tar-29e157.c'. 4. Running pass 'Loop Pass Manager' on function '@tar_read_header' 5. Running pass 'Loop Strength Reduction' on basic block '%while.cond4= 5.i' #0 0x00000000050964e0 PrintStackTrace /root/freebsd/contrib/llvm-project/llvm/lib/Support/Unix/Signals.inc:565:13 #1 0x00000000050947f5 RunSignalHandlers /root/freebsd/contrib/llvm-project/llvm/lib/Support/Signals.cpp:98:18 #2 0x0000000005096c10 SignalHandler /root/freebsd/contrib/llvm-project/llvm/lib/Support/Unix/Signals.inc:0:3 #3 0x000000080a8e85d0 handle_signal /root/freebsd/lib/libthr/thread/thr_sig.c:0:3 Abort trap (core dumped) --=20 You are receiving this mail because: You are the assignee for the bug.=
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