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Diffstat (limited to 'results/classifier/deepseek-2-tmp/output/peripherals/1878645')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/output/peripherals/1878645 | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/results/classifier/deepseek-2-tmp/output/peripherals/1878645 b/results/classifier/deepseek-2-tmp/output/peripherals/1878645 deleted file mode 100644 index 6197d581e..000000000 --- a/results/classifier/deepseek-2-tmp/output/peripherals/1878645 +++ /dev/null @@ -1,52 +0,0 @@ - -null-ptr dereference in ich9_apm_ctrl_changed - -Hello, -While fuzzing, I found an input which triggers a NULL pointer dereference in -tcg_handle_interrupt. It seems the culprint is a "cpu" pointer - maybe this bug -is specific to QTest? - -==23862==ERROR: AddressSanitizer: SEGV on unknown address 0x0000000000b4 (pc 0x55b9dc7c9dce bp 0x7ffc346a0900 sp 0x7ffc346a0880 T0) -==23862==The signal is caused by a READ memory access. -==23862==Hint: address points to the zero page. - #0 0x55b9dc7c9dce in tcg_handle_interrupt /home/alxndr/Development/qemu/accel/tcg/tcg-all.c:57:21 - #1 0x55b9dc904799 in cpu_interrupt /home/alxndr/Development/qemu/include/hw/core/cpu.h:872:5 - #2 0x55b9dc9085e8 in ich9_apm_ctrl_changed /home/alxndr/Development/qemu/hw/isa/lpc_ich9.c:442:13 - #3 0x55b9dd19cdc8 in apm_ioport_writeb /home/alxndr/Development/qemu/hw/isa/apm.c:50:13 - #4 0x55b9dc73f8b4 in memory_region_write_accessor /home/alxndr/Development/qemu/memory.c:483:5 - #5 0x55b9dc73f289 in access_with_adjusted_size /home/alxndr/Development/qemu/memory.c:544:18 - #6 0x55b9dc73ddf5 in memory_region_dispatch_write /home/alxndr/Development/qemu/memory.c:1476:16 - #7 0x55b9dc577bf3 in flatview_write_continue /home/alxndr/Development/qemu/exec.c:3137:23 - #8 0x55b9dc567ad8 in flatview_write /home/alxndr/Development/qemu/exec.c:3177:14 - #9 0x55b9dc567608 in address_space_write /home/alxndr/Development/qemu/exec.c:3268:18 - #10 0x55b9dc723fe7 in cpu_outb /home/alxndr/Development/qemu/ioport.c:60:5 - #11 0x55b9dc72d3c0 in qtest_process_command /home/alxndr/Development/qemu/qtest.c:392:13 - #12 0x55b9dc72b186 in qtest_process_inbuf /home/alxndr/Development/qemu/qtest.c:710:9 - #13 0x55b9dc72a8b3 in qtest_read /home/alxndr/Development/qemu/qtest.c:722:5 - #14 0x55b9ddc6e60b in qemu_chr_be_write_impl /home/alxndr/Development/qemu/chardev/char.c:183:9 - #15 0x55b9ddc6e75a in qemu_chr_be_write /home/alxndr/Development/qemu/chardev/char.c:195:9 - #16 0x55b9ddc77979 in fd_chr_read /home/alxndr/Development/qemu/chardev/char-fd.c:68:9 - #17 0x55b9ddcff0e9 in qio_channel_fd_source_dispatch /home/alxndr/Development/qemu/io/channel-watch.c:84:12 - #18 0x7f7161eac897 in g_main_context_dispatch (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x4e897) - #19 0x55b9ddebcb84 in glib_pollfds_poll /home/alxndr/Development/qemu/util/main-loop.c:219:9 - #20 0x55b9ddebb57d in os_host_main_loop_wait /home/alxndr/Development/qemu/util/main-loop.c:242:5 - #21 0x55b9ddebb176 in main_loop_wait /home/alxndr/Development/qemu/util/main-loop.c:518:11 - #22 0x55b9dcb4bd1d in qemu_main_loop /home/alxndr/Development/qemu/softmmu/vl.c:1664:9 - #23 0x55b9ddd1629c in main /home/alxndr/Development/qemu/softmmu/main.c:49:5 - #24 0x7f7160a5ce0a in __libc_start_main /build/glibc-GwnBeO/glibc-2.30/csu/../csu/libc-start.c:308:16 - #25 0x55b9dc49c819 in _start (/home/alxndr/Development/qemu/build/i386-softmmu/qemu-system-i386+0xc9c819) - - -I can reproduce this in qemu 5.0 built with AddressSanitizer using these qtest commands: - -cat << EOF | ./qemu-system-i386 \ --qtest stdio -nographic -monitor none -serial none \ --M pc-q35-5.0 -outl 0xcf8 0x8400f841 -outl 0xcfc 0xaa215d6d -outl 0x6d30 0x2ef8ffbe -outb 0xb2 0x20 -EOF - -Please let me know if I can provide any further info. --Alex \ No newline at end of file |