https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63369
Bug ID: 63369 Summary: many asan test cases fail on ARM Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: sanitizer Assignee: unassigned at gcc dot gnu.org Reporter: bernd.edlinger at hotmail dot de CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org, jakub at gcc dot gnu.org, kcc at gcc dot gnu.org with the trunk revision 215254 from 09/14 2014 I see the following asan test casese fail on armv7l-unknown-linux-gnueabihf FAIL: c-c++-common/asan/global-overflow-1.c -O2 output pattern test, is ================================================================= FAIL: c-c++-common/asan/global-overflow-1.c -O3 -fomit-frame-pointer output pattern test, is ================================================================= FAIL: c-c++-common/asan/global-overflow-1.c -O3 -g output pattern test, is ================================================================= FAIL: c-c++-common/asan/global-overflow-1.c -O2 -flto -fno-use-linker-plugin -flto-partition=none output pattern test, is ================================================================= FAIL: c-c++-common/asan/global-overflow-1.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects output pattern test, is ================================================================= FAIL: c-c++-common/asan/heap-overflow-1.c -O0 output pattern test, is ================================================================= FAIL: c-c++-common/asan/heap-overflow-1.c -O1 output pattern test, is ================================================================= FAIL: c-c++-common/asan/heap-overflow-1.c -O2 output pattern test, is ================================================================= FAIL: c-c++-common/asan/heap-overflow-1.c -O3 -fomit-frame-pointer output pattern test, is ================================================================= FAIL: c-c++-common/asan/heap-overflow-1.c -O3 -g output pattern test, is ================================================================= FAIL: c-c++-common/asan/heap-overflow-1.c -Os output pattern test, is ================================================================= FAIL: c-c++-common/asan/heap-overflow-1.c -O2 -flto -fno-use-linker-plugin -flto-partition=none output pattern test, is ================================================================= FAIL: c-c++-common/asan/heap-overflow-1.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects output pattern test, is ================================================================= FAIL: c-c++-common/asan/misalign-1.c -O0 output pattern test, is ================================================================= FAIL: c-c++-common/asan/misalign-1.c -O1 output pattern test, is ================================================================= FAIL: c-c++-common/asan/misalign-1.c -O2 output pattern test, is ================================================================= FAIL: c-c++-common/asan/misalign-1.c -O3 -fomit-frame-pointer output pattern test, is ================================================================= FAIL: c-c++-common/asan/misalign-1.c -O3 -g output pattern test, is ================================================================= FAIL: c-c++-common/asan/misalign-1.c -Os output pattern test, is ================================================================= FAIL: c-c++-common/asan/misalign-1.c -O2 -flto -fno-use-linker-plugin -flto-partition=none output pattern test, is ================================================================= FAIL: c-c++-common/asan/misalign-1.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects output pattern test, is ================================================================= FAIL: c-c++-common/asan/misalign-2.c -O0 output pattern test, is ================================================================= FAIL: c-c++-common/asan/misalign-2.c -O1 output pattern test, is ================================================================= FAIL: c-c++-common/asan/misalign-2.c -O2 output pattern test, is ================================================================= FAIL: c-c++-common/asan/misalign-2.c -O3 -fomit-frame-pointer output pattern test, is ================================================================= FAIL: c-c++-common/asan/misalign-2.c -O3 -g output pattern test, is ================================================================= FAIL: c-c++-common/asan/misalign-2.c -Os output pattern test, is ================================================================= FAIL: c-c++-common/asan/misalign-2.c -O2 -flto -fno-use-linker-plugin -flto-partition=none output pattern test, is ================================================================= FAIL: c-c++-common/asan/misalign-2.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects output pattern test, is ================================================================= FAIL: c-c++-common/asan/null-deref-1.c -O0 output pattern test, is ASAN:SIGSEGV FAIL: c-c++-common/asan/null-deref-1.c -O1 output pattern test, is ASAN:SIGSEGV FAIL: c-c++-common/asan/null-deref-1.c -O2 output pattern test, is ASAN:SIGSEGV FAIL: c-c++-common/asan/null-deref-1.c -O3 -fomit-frame-pointer output pattern test, is ASAN:SIGSEGV FAIL: c-c++-common/asan/null-deref-1.c -O3 -g output pattern test, is ASAN:SIGSEGV FAIL: c-c++-common/asan/null-deref-1.c -Os output pattern test, is ASAN:SIGSEGV FAIL: c-c++-common/asan/null-deref-1.c -O2 -flto -fno-use-linker-plugin -flto-partition=none output pattern test, is ASAN:SIGSEGV FAIL: c-c++-common/asan/null-deref-1.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects output pattern test, is ASAN:SIGSEGV FAIL: c-c++-common/asan/sanity-check-pure-c-1.c -O0 output pattern test, is ================================================================= FAIL: c-c++-common/asan/sanity-check-pure-c-1.c -O1 output pattern test, is ================================================================= FAIL: c-c++-common/asan/sanity-check-pure-c-1.c -O2 output pattern test, is ================================================================= FAIL: c-c++-common/asan/sanity-check-pure-c-1.c -O3 -fomit-frame-pointer output pattern test, is ================================================================= FAIL: c-c++-common/asan/sanity-check-pure-c-1.c -O3 -g output pattern test, is ================================================================= FAIL: c-c++-common/asan/sanity-check-pure-c-1.c -Os output pattern test, is ================================================================= FAIL: c-c++-common/asan/sanity-check-pure-c-1.c -O2 -flto -fno-use-linker-plugin -flto-partition=none output pattern test, is ================================================================= FAIL: c-c++-common/asan/sanity-check-pure-c-1.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects output pattern test, is ================================================================= FAIL: c-c++-common/asan/stack-overflow-1.c -O2 output pattern test, is ================================================================= FAIL: c-c++-common/asan/stack-overflow-1.c -O3 -fomit-frame-pointer output pattern test, is ================================================================= FAIL: c-c++-common/asan/stack-overflow-1.c -O3 -g output pattern test, is ================================================================= FAIL: c-c++-common/asan/stack-overflow-1.c -Os output pattern test, is ================================================================= FAIL: c-c++-common/asan/stack-overflow-1.c -O2 -flto -fno-use-linker-plugin -flto-partition=none output pattern test, is ================================================================= FAIL: c-c++-common/asan/stack-overflow-1.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects output pattern test, is ================================================================= FAIL: c-c++-common/asan/strlen-overflow-1.c -O1 output pattern test, is ================================================================= FAIL: c-c++-common/asan/strncpy-overflow-1.c -O0 output pattern test, is ================================================================= FAIL: c-c++-common/asan/strncpy-overflow-1.c -O1 output pattern test, is ================================================================= FAIL: c-c++-common/asan/strncpy-overflow-1.c -O2 output pattern test, is ================================================================= FAIL: c-c++-common/asan/strncpy-overflow-1.c -O3 -fomit-frame-pointer output pattern test, is ================================================================= FAIL: c-c++-common/asan/strncpy-overflow-1.c -O3 -g output pattern test, is ================================================================= FAIL: c-c++-common/asan/strncpy-overflow-1.c -Os output pattern test, is ================================================================= FAIL: c-c++-common/asan/strncpy-overflow-1.c -O2 -flto -fno-use-linker-plugin -flto-partition=none output pattern test, is ================================================================= FAIL: c-c++-common/asan/strncpy-overflow-1.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects output pattern test, is ================================================================= FAIL: c-c++-common/asan/use-after-free-1.c -O0 output pattern test, is ================================================================= FAIL: c-c++-common/asan/use-after-free-1.c -O1 output pattern test, is ================================================================= FAIL: c-c++-common/asan/use-after-free-1.c -O2 output pattern test, is ================================================================= FAIL: c-c++-common/asan/use-after-free-1.c -O3 -fomit-frame-pointer output pattern test, is ================================================================= FAIL: c-c++-common/asan/use-after-free-1.c -O3 -g output pattern test, is ================================================================= FAIL: c-c++-common/asan/use-after-free-1.c -Os output pattern test, is ================================================================= FAIL: c-c++-common/asan/use-after-free-1.c -O2 -flto -fno-use-linker-plugin -flto-partition=none output pattern test, is ================================================================= FAIL: c-c++-common/asan/use-after-free-1.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects output pattern test, is ================================================================= FAIL: g++.dg/asan/deep-stack-uaf-1.C -O0 output pattern test, is ================================================================= FAIL: g++.dg/asan/deep-stack-uaf-1.C -O1 output pattern test, is ================================================================= FAIL: g++.dg/asan/deep-stack-uaf-1.C -O2 output pattern test, is ================================================================= FAIL: g++.dg/asan/deep-stack-uaf-1.C -O3 -fomit-frame-pointer output pattern test, is ================================================================= FAIL: g++.dg/asan/deep-stack-uaf-1.C -O3 -g output pattern test, is ================================================================= FAIL: g++.dg/asan/deep-stack-uaf-1.C -Os output pattern test, is ================================================================= FAIL: g++.dg/asan/deep-tail-call-1.C -O2 output pattern test, is ================================================================= FAIL: g++.dg/asan/deep-tail-call-1.C -O3 -fomit-frame-pointer output pattern test, is ================================================================= FAIL: g++.dg/asan/deep-tail-call-1.C -O3 -g output pattern test, is ================================================================= FAIL: g++.dg/asan/deep-tail-call-1.C -O2 -flto -fno-use-linker-plugin -flto-partition=none output pattern test, is ================================================================= FAIL: g++.dg/asan/deep-tail-call-1.C -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects output pattern test, is ================================================================= FAIL: g++.dg/asan/large-func-test-1.C -O0 output pattern test, is ================================================================= FAIL: g++.dg/asan/large-func-test-1.C -O1 output pattern test, is ================================================================= FAIL: g++.dg/asan/large-func-test-1.C -O2 output pattern test, is ================================================================= FAIL: g++.dg/asan/large-func-test-1.C -O3 -fomit-frame-pointer output pattern test, is ================================================================= FAIL: g++.dg/asan/large-func-test-1.C -O3 -g output pattern test, is ================================================================= FAIL: g++.dg/asan/large-func-test-1.C -Os output pattern test, is ================================================================= FAIL: g++.dg/asan/large-func-test-1.C -O2 -flto -fno-use-linker-plugin -flto-partition=none output pattern test, is ================================================================= FAIL: g++.dg/asan/large-func-test-1.C -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects output pattern test, is ================================================================= I most of the time, the line numbers are just off by 1: example: FAIL: c-c++-common/asan/global-overflow-1.c -O2 output pattern test, is ================================================================= ==7129==ERROR: AddressSanitizer: global-buffer-overflow on address 0x00010caa at pc 0x87dc bp 0x7ec0a664 sp 0x7ec0a65c READ of size 1 at 0x00010caa thread T0 #0 0x87dc in main /home/ed/gnu/gcc-5-20140914/gcc/testsuite/c-c++-common/asan/global-overflow-1.c:21 #1 0x76862fda in __libc_start_main (/lib/libc.so.6+0x16fda) 0x00010caa is located 0 bytes to the right of global variable 'YYY' from '/home/ed/gnu/gcc-5-20140914/gcc/testsuite/c-c++-common/asan/global-overflow-1.c' (0x10ca0) of size 10 0x00010caa is located 54 bytes to the left of global variable 'ZZZ' from '/home/ed/gnu/gcc-5-20140914/gcc/testsuite/c-c++-common/asan/global-overflow-1.c' (0x10ce0) of size 10 SUMMARY: AddressSanitizer: global-buffer-overflow /home/ed/gnu/gcc-5-20140914/gcc/testsuite/c-c++-common/asan/global-overflow-1.c:21 main Shadow bytes around the buggy address: 0x20002140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x20002150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x20002160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x20002170: 04 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 00 0x20002180: 00 00 00 00 00 00 00 00 00 00 00 00 00 02 f9 f9 =>0x20002190: f9 f9 f9 f9 00[02]f9 f9 f9 f9 f9 f9 00 02 f9 f9 0x200021a0: f9 f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00 0x200021b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x200021c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x200021d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x200021e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Heap right redzone: fb Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack partial redzone: f4 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc ASan internal: fe ==7129==ABORTING , should match READ of size 1 at 0x[0-9a-f]+ thread T0.*( | | ) #0 0x[0-9a-f]+ (in _*main ([^ ]*global-overflow-1.c:20|[^ ]*:0)|[(])[^ ]*( | | ).*0x[0-9a-f]+ is located 0 bytes to the right of global variable.*YYY[^ ]* of size 10[^ ]*( | | ) => line 21 reported vs 20 expected. I am not sure if this is related to PR61771 which has to do with incomplete malloc call stacks or something different.