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[Bug binutils/26426] New: ASAN error: in neon_quad /home/mliska/Programm

From: mliska at suse dot cz
Subject: [Bug binutils/26426] New: ASAN error: in neon_quad /home/mliska/Programming/binutils/gas/config/tc-arm.c:15178
Date: Thu, 20 Aug 2020 12:12:21 +0000


            Bug ID: 26426
           Summary: ASAN error: in neon_quad
           Product: binutils
           Version: 2.34
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: mliska at suse dot cz
  Target Milestone: ---

The following fails when I build binutils with:
configure --build=x86_64-linux --disable-nls --disable-gdb --disable-gdbserver
--disable-sim --disable-readline --disable-libdecnumber --enable-obsolete
--target=arm-elf CFLAGS="-g -O2 -fsanitize=address,undefined -Wno-error"
CXXLAGS="-g -O2 -fsanitize=address,undefined -Wno-error" LDFLAGS="-ldl"
Target: arm-elf
PASS: MVE vmull instructions
Executing on host: sh -c {../as-new  -march=armv8.1-m.main+mve.fp  -o
/home/mliska/Programming/binutils/gas/testsuite/gas/arm/mve-vmvn-bad.s 2>&1} 
/dev/null dump.tmp (timeout = 300)
==46252==ERROR: AddressSanitizer: global-buffer-overflow on address
0x000000cf0b30 at pc 0x00000056b427 bp 0x7fffffffbbd0 sp 0x7fffffffbbc8
    #0 0x56b426 in neon_quad
    #1 0x56b426 in do_neon_mvn
    #2 0x56b426 in do_neon_mvn
    #3 0x574f67 in md_assemble
    #4 0x49f8ba in assemble_one
    #5 0x49f8ba in read_a_source_file
    #6 0x416f12 in perform_an_assembly_pass
    #7 0x416f12 in main /home/mliska/Programming/binutils/gas/as.c:1417
    #8 0x7ffff6adacc9 in __libc_start_main (/lib64/libc.so.6+0x26cc9)
    #9 0x4192f9 in _start (/dev/shm/b6evfmmd/gas/as-new+0x4192f9)

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