diff options
Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_missing/2407')
| -rw-r--r-- | gitlab/issues_text/target_missing/host_missing/accel_missing/2407 | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_missing/2407 b/gitlab/issues_text/target_missing/host_missing/accel_missing/2407 deleted file mode 100644 index b918926d7..000000000 --- a/gitlab/issues_text/target_missing/host_missing/accel_missing/2407 +++ /dev/null @@ -1,53 +0,0 @@ -"code should not be reached" in ati_2d_blt() -Description of problem: -My fuzzer detected a "code should not be reached" bug in ati_2d_blt() - -The stack trace is: - -``` -ERROR:include/qemu/bswap.h:418:stn_he_p: code should not be reached -Bail out! ERROR:include/qemu/bswap.h:418:stn_he_p: code should not be reached -==69534== ERROR: libFuzzer: deadly signal - #0 0x559e65667f5e in __sanitizer_print_stack_trace llvm-project-15.0.0.src/compiler-rt/lib/asan/asan_stack.cpp:87:3 - #1 0x559e655a73bc in fuzzer::PrintStackTrace() llvm-project-15.0.0.src/compiler-rt/lib/fuzzer/FuzzerUtil.cpp:210:38 - #2 0x559e65585a66 in fuzzer::Fuzzer::CrashCallback() (.part.0) llvm-project-15.0.0.src/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:236:18 - #3 0x559e65585b2b in fuzzer::Fuzzer::CrashCallback() llvm-project-15.0.0.src/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:208:1 - #4 0x559e65585b2b in fuzzer::Fuzzer::StaticCrashSignalCallback() llvm-project-15.0.0.src/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:207:19 - #5 0x7fa8835e351f (/lib/x86_64-linux-gnu/libc.so.6+0x4251f) (BuildId: c289da5071a3399de893d2af81d6a30c62646e1e) - #6 0x7fa8836379fb in __pthread_kill_implementation nptl/pthread_kill.c:43:17 - #7 0x7fa8836379fb in __pthread_kill_internal nptl/pthread_kill.c:78:10 - #8 0x7fa8836379fb in pthread_kill nptl/pthread_kill.c:89:10 - #9 0x7fa8835e3475 in gsignal signal/../sysdeps/posix/raise.c:26:13 - #10 0x7fa8835c97f2 in abort stdlib/abort.c:79:7 - #11 0x7fa8848e5b56 (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x1eb56) (BuildId: c74e800dfd5f72649d673b44292f4a817e45150b) - #12 0x7fa88493f70e in g_assertion_message_expr (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x7870e) (BuildId: c74e800dfd5f72649d673b44292f4a817e45150b) - #13 0x559e65fc7d70 in stn_he_p include/qemu/bswap.h:418:1 - #14 0x559e65fc55dc in ati_2d_blt hw/display/ati_2d.c:224:21 - #15 0x559e65faccff in ati_mm_write hw/display/ati.c:857:9 - #16 0x559e685b8363 in memory_region_write_accessor system/memory.c:497:5 - #17 0x559e685b7a45 in access_with_adjusted_size system/memory.c:573:18 - #18 0x559e685b59a9 in memory_region_dispatch_write system/memory.c:1521:16 - #19 0x559e6865938e in flatview_write_continue_step system/physmem.c:2757:18 - #20 0x559e68658c24 in flatview_write_continue system/physmem.c:2787:19 - #21 0x559e6863024b in flatview_write system/physmem.c:2818:12 - #22 0x559e6862fd18 in address_space_write system/physmem.c:2938:18 -... -``` -Steps to reproduce: -Arguments: `export QEMU_ARGS="-machine q35 -nodefaults -device ati-vga,romfile=\"\" -display vnc=localhost:99 -L ../pc-bios/"` - -The base addresses of memory regions: - -ati.mmregs: 0xe1000000 - -Reproducer: - -``` -writew 0xe100146c 0x44e4c5c1 -writeb 0xe10016c0 0x773b93cf -writeb 0xe10016e4 0x2beb6e13 -writel 0xe100143c 0x118b71f6 -EOF -``` -Additional information: -Ack: Chuhong Yuan (hslester96@gmail.com) |