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Diffstat (limited to 'results/classifier/user-mode-bugs/1642')
| -rw-r--r-- | results/classifier/user-mode-bugs/1642 | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/results/classifier/user-mode-bugs/1642 b/results/classifier/user-mode-bugs/1642 new file mode 100644 index 00000000..8a65d2e9 --- /dev/null +++ b/results/classifier/user-mode-bugs/1642 @@ -0,0 +1,24 @@ + + +Qemu aarch64 tcg crashes when emulating an STXP instruction but only on a Windows host +Description of problem: +Qemu segfaults when trying to emulate an STXP instruction, but only when running natively on a windows host (msys2 build). This is not the same as https://gitlab.com/qemu-project/qemu/-/issues/1581. + +I've managed to git-bisect it to this change: https://github.com/qemu/qemu/commit/546789c7df8866c55cae8d3195e8e58328a35d51 +Sadly i cannot investigate it further and contribute a fix, but it seems like a problem with one of the I128 arguments to `helper_atomic_cmpxchgo_le ` + +UPD: Issue is also in master (as of `caa9cbd566877b34e9abcc04d936116fc5e0ab28`) +Steps to reproduce: +N/A +Additional information: +``` +Thread 9 received signal SIGSEGV, Segmentation fault. +0x00007ff67efc32dc in helper_atomic_cmpxchgo_le (env=0x24796b08c10, addr=18446684150325987376, oldv=46236672343829145701101521005152, newv=2595395441251766838621186119693696, oi=3650) at ../accel/tcg/atomic_common.c.inc:60 +60 CMPXCHG_HELPER(cmpxchgo_le, Int128) +(gdb) bt +#0 0x00007ff67efc32dc in helper_atomic_cmpxchgo_le (env=0x24796b08c10, + addr=18446684150325987376, oldv=46236672343829145701101521005152, + newv=2595395441251766838621186119693696, oi=3650) at ../accel/tcg/atomic_common.c.inc:60 +#1 0x00000247a124f73d in ?? () + +``` |