diff options
Diffstat (limited to 'results/classifier/118/none/1896317')
| -rw-r--r-- | results/classifier/118/none/1896317 | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/results/classifier/118/none/1896317 b/results/classifier/118/none/1896317 new file mode 100644 index 000000000..ce90766d2 --- /dev/null +++ b/results/classifier/118/none/1896317 @@ -0,0 +1,101 @@ +graphic: 0.788 +TCG: 0.785 +VMM: 0.784 +risc-v: 0.784 +x86: 0.695 +peripherals: 0.693 +ppc: 0.686 +device: 0.682 +i386: 0.670 +arm: 0.660 +KVM: 0.653 +semantic: 0.619 +architecture: 0.613 +vnc: 0.611 +register: 0.607 +permissions: 0.605 +virtual: 0.601 +performance: 0.595 +hypervisor: 0.584 +assembly: 0.576 +files: 0.556 +PID: 0.535 +boot: 0.522 +kernel: 0.477 +debug: 0.435 +socket: 0.429 +network: 0.429 +user-level: 0.358 +mistranslation: 0.345 + +ioapic: UndefinedBehaviorSanitizer starting qemu-system-i386 + +As of commit 053a4177817: + +$ ./configure --enable-sanitizers --disable-kvm + +$ make qemu-system-i386 + +$ ./build/i386-softmmu/qemu-system-i386 +include/exec/memory.h:688:12: runtime error: member access within null pointer of type 'AddressSpace' (aka 'struct AddressSpace') +SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior include/exec/memory.h:688:12 in +AddressSanitizer:DEADLYSIGNAL +================================================================= +==249513==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000020 (pc 0x55955d7f8c4f bp 0x7fff10f3cff0 sp 0x7fff10f3cf20 T0) +==249513==The signal is caused by a READ memory access. +==249513==Hint: address points to the zero page. + #0 0x55955d7f8c4f in address_space_to_flatview include/exec/memory.h:688:12 + #1 0x55955d8003d2 in address_space_translate include/exec/memory.h:2286:31 + #2 0x55955d8315f3 in address_space_stl_internal memory_ldst.c.inc:312:10 + #3 0x55955d831cd1 in address_space_stl_le memory_ldst.c.inc:353:5 + #4 0x55955d7ef2e1 in stl_le_phys include/exec/memory_ldst_phys.h.inc:103:5 + #5 0x55955d7ed299 in ioapic_service hw/intc/ioapic.c:138:17 + #6 0x55955d7f0e30 in ioapic_set_irq hw/intc/ioapic.c:186:17 + #7 0x55955e34b825 in qemu_set_irq hw/core/irq.c:45:5 + #8 0x55955d0409e6 in gsi_handler hw/i386/x86.c:583:5 + #9 0x55955e34b825 in qemu_set_irq hw/core/irq.c:45:5 + #10 0x55955ca539c9 in hpet_handle_legacy_irq hw/timer/hpet.c:724:13 + #11 0x55955e34b825 in qemu_set_irq hw/core/irq.c:45:5 + #12 0x55955ce7a695 in pit_irq_timer_update hw/timer/i8254.c:264:5 + #13 0x55955ce7a1d8 in pit_irq_control hw/timer/i8254.c:306:9 + #14 0x55955e34b825 in qemu_set_irq hw/core/irq.c:45:5 + #15 0x55955ca52276 in hpet_reset hw/timer/hpet.c:707:5 + #16 0x55955e342e91 in device_transitional_reset hw/core/qdev.c:1114:9 + #17 0x55955e345cfc in resettable_phase_hold hw/core/resettable.c:182:13 + #18 0x55955e31c1e5 in bus_reset_child_foreach hw/core/bus.c:94:9 + #19 0x55955e348a58 in resettable_child_foreach hw/core/resettable.c:96:9 + #20 0x55955e34596f in resettable_phase_hold hw/core/resettable.c:173:5 + #21 0x55955e344a72 in resettable_assert_reset hw/core/resettable.c:60:5 + #22 0x55955e344919 in resettable_reset hw/core/resettable.c:45:5 + #23 0x55955e3473e9 in resettable_cold_reset_fn hw/core/resettable.c:269:5 + #24 0x55955e344898 in qemu_devices_reset hw/core/reset.c:69:9 + #25 0x55955d05c5b0 in pc_machine_reset hw/i386/pc.c:1632:5 + #26 0x55955d55ab84 in qemu_system_reset softmmu/vl.c:1403:9 + #27 0x55955d56816d in qemu_init softmmu/vl.c:4458:5 + #28 0x55955bc13609 in main softmmu/main.c:49:5 + #29 0x7f3baad20041 in __libc_start_main (/lib64/libc.so.6+0x27041) + #30 0x55955bb398ed in _start (build-sanitizer/qemu-system-i386+0x1b3d8ed) + +AddressSanitizer can not provide additional info. +SUMMARY: AddressSanitizer: SEGV include/exec/memory.h:688:12 in address_space_to_flatview + +Comment and stl_le_phys() added in commit cb135f59b80: + /* No matter whether IR is enabled, we translate + * the IOAPIC message into a MSI one, and its + * address space will decide whether we need a + * translation. */ + stl_le_phys(ioapic_as, info.addr, info.data); + +I cannot reproduce locally with 053a4177817... What could I have missed? + +It's kind of odd - For i386, ioapic_as should be set in ../softmmu/vl.c:4355 in pc_memory_init(). + +The failure triggered at qemu_init softmmu/vl.c:4458:5, which is later. + +However I don't see any place that ioapic_as can be cleared, yet. + +I am confused... I'm certain I was on a clean directory and commit 053a4177817, +but now I can't reproduce that neither. Closing as Incomplete. + +[Expired for QEMU because there has been no activity for 60 days.] + |