*** This bug is a duplicate of bug 1921948 *** https://bugs.launchpad.net/bugs/1921948
** Attachment added: "libgcc_s.so.1" https://bugs.launchpad.net/qemu/+bug/1927530/+attachment/5495299/+files/libgcc_s.so.1 -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1927530 Title: qemu-aarch64 MTE fails to report tag mismatch Status in QEMU: New Bug description: Hi, While running the GCC testsuite with qemu-6.0 as simulator, I noticed several errors in the hwasan testsuite (output pattern tests). I am attaching: bitfield-2.exe ld-linux-aarch64.so.1 libc.so.6 libdl.so.2 libhwasan.so.0 libm.so.6 libpthread.so.0 librt.so.1 The testcase can be executed via: qemu-aarch64 -L . bitfield-2.exe it currently generates: HWAddressSanitizer:DEADLYSIGNAL ==21137==ERROR: HWAddressSanitizer: SEGV on unknown address 0x0000000000f0 (pc 0x00550084e318 bp 0x005f01650d00 sp 0x005f01650d00 T21137) ==21137==The signal is caused by a UNKNOWN memory access. ==21137==Hint: address points to the zero page. #0 0x550084e318 in GetAccessInfo /home/christophe.lyon/src/GCC/sources/gcc-fsf-git/trunk/libsanitizer/hwasan/hwasan_linux.cpp:339 #1 0x550084e318 in HwasanOnSIGTRAP /home/christophe.lyon/src/GCC/sources/gcc-fsf-git/trunk/libsanitizer/hwasan/hwasan_linux.cpp:401 #2 0x550084e318 in __hwasan::HwasanOnDeadlySignal(int, void*, void*) /home/christophe.lyon/src/GCC/sources/gcc-fsf-git/trunk/libsanitizer/hwasan/hwasan_linux.cpp:426 #3 0x5f01651fec (<unknown module>) #4 0x550084b508 in __hwasan_load2 /home/christophe.lyon/src/GCC/sources/gcc-fsf-git/trunk/libsanitizer/hwasan/hwasan.cpp:379 #5 0x400768 in f /home/christophe.lyon/src/GCC/sources/gcc-fsf-git/trunk/gcc/testsuite/c-c++-common/hwasan/bitfield-2.c:17 #6 0x4007d0 in main /home/christophe.lyon/src/GCC/sources/gcc-fsf-git/trunk/gcc/testsuite/c-c++-common/hwasan/bitfield-2.c:24 #7 0x550124cee0 in __libc_start_main ../csu/libc-start.c:308 #8 0x400688 (/home/christophe.lyon/qemu-bug-hwasan-aarch64/bitfield-2.exe+0x400688) HWAddressSanitizer can not provide additional info. SUMMARY: HWAddressSanitizer: SEGV /home/christophe.lyon/src/GCC/sources/gcc-fsf-git/trunk/libsanitizer/hwasan/hwasan_linux.cpp:339 in GetAccessInfo ==21146==ABORTING while the testcase expects HWAddressSanitizer: tag-mismatch on address 0x..... To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1927530/+subscriptions