ci2 starts bisection 2024-01-26 15:10:49.071031546 +0000 UTC m=+73202.945225326 bisecting fixing commit since fa74641fb6b93a19ccb50579886ecc98320230f9 building syzkaller on f94b4a29b579b3de9aab3b41915e3663e6f7094e ensuring issue is reproducible on original commit fa74641fb6b93a19ccb50579886ecc98320230f9 testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2c73a530837a26a24b980cc8edd0ef603971a89f66fb9e95244b04ca7369af67 all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run representative crash: WARNING in kvm_arch_vcpu_ioctl_run, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: df4f609b95a55577b8eea153c9ab5f1703f8e306cb55dd415945f9fd02eb3d0c all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run representative crash: WARNING in kvm_arch_vcpu_ioctl_run, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3820 full=7521 leaves diff=1987 split chunks (needed=false): <1987> split chunk #0 of len 1987 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 42c61861e8d1e343bbe009d57208a2c431fbdd06510fd6f8a965e14ddd310c3a all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run representative crash: WARNING in kvm_arch_vcpu_ioctl_run, types: [WARNING] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c52f8a2edb639fef8de5d56cb9328dbad3e0075246b8987e1118a4a40a2f608a all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run representative crash: WARNING in kvm_arch_vcpu_ioctl_run, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3e20b51ae60413222724a03766b1c74bc5ddd93016543a880cae4fd3302f09ac all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run representative crash: WARNING in kvm_arch_vcpu_ioctl_run, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5e9d54d50b81a3da90fce8ecbc37caf5db001d7ecb49eaa9fa0cedce645c8e03 all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run representative crash: WARNING in kvm_arch_vcpu_ioctl_run, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bf21d206bc7f6e2913a858c12a72d3570e4e6085210a23f513d890bdc96ce768 all runs: OK false negative chance: 0.000 minimized to 395 configs; suspects: [ARCH_ENABLE_MEMORY_HOTREMOVE ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DVB_CORE EXTCON FB GPIOLIB HID_ZEROPLUS I2C_MUX IIO KVM KVM_INTEL LIBNVDIMM MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_VIPERBOARD PARPORT PCCARD PCMCIA PHONET RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RC_CORE RFKILL SND SOUND SPI SSB TAP TUN USB_AMD5536UDC USB_ATM USB_CONFIGFS USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2 USB_DWC2_HOST USB_DWC2_PCI USB_DWC3 USB_DWC3_GADGET USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_HCD_PLATFORM USB_EHCI_ROOT_HUB_TT USB_EHSET_TEST_FIXTURE USB_EMI26 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USB_NET_CX82310_ETH USB_NET_DM9601 USB_NET_GL620A USB_NET_HUAWEI_CDC_NCM USB_NET_INT51X1 USB_NET_KALMIA USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_QMI_WWAN USB_NET_RNDIS_HOST USB_NET_RNDIS_WLAN USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_OXU210HP_HCD USB_PEGASUS USB_PULSE8_CEC USB_PWC USB_PWC_INPUT_EVDEV USB_PXA27X USB_R8A66597 USB_R8A66597_HCD USB_RAINSHADOW_CEC USB_RAREMONO USB_RAW_GADGET USB_RTL8150 USB_RTL8152 USB_RTL8153_ECM USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_U132_HCD USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VDPA_USER VETH VFIO VFIO_IOMMU_TYPE1 VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_VDPA VHOST_VSOCK VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_STK1160_COMMON VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_PURELIFI WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_X2APIC X86_X32_ABI XARRAY_MULTI XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XFS_SUPPORT_V4 XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZBUD ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_ZPOOL_DEFAULT_ZBUD] disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed determining the merge base between fa74641fb6b93a19ccb50579886ecc98320230f9 and ecb1b8288dc7ccbdcb3b9df005fa1c0e0c0388a7 830b3c68c1fb1e9176028d02ef86f3cf76aa2476/Linux 6.1 is a merge base, check if it has the bug testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a1658b1c8e2b60b2f74cb89791cada39d73e0541e54a6651d6ee1a8fe21ecc32 all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run representative crash: WARNING in kvm_arch_vcpu_ioctl_run, types: [WARNING] testing current HEAD ecb1b8288dc7ccbdcb3b9df005fa1c0e0c0388a7 testing commit ecb1b8288dc7ccbdcb3b9df005fa1c0e0c0388a7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c6e54c1d39954091ffc148daf1375fb9755d58f498174543b3fa1d505ad465c9 all runs: OK false negative chance: 0.000 # git bisect start ecb1b8288dc7ccbdcb3b9df005fa1c0e0c0388a7 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 Bisecting: 54521 revisions left to test after this (roughly 16 steps) [1b722407a13b7f8658d2e26917791f32805980a2] Merge tag 'drm-next-2023-06-29' of git://anongit.freedesktop.org/drm/drm determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 1b722407a13b7f8658d2e26917791f32805980a2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 197fa8b40cb157d4d7c39e6113f94e757f08064b6d86dc5e5fef0fd29079f77f all runs: OK false negative chance: 0.000 # git bisect bad 1b722407a13b7f8658d2e26917791f32805980a2 Bisecting: 27802 revisions left to test after this (roughly 15 steps) [7c3dc440b1f5c75f45e24430f913e561dc82a419] Merge tag 'cxl-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 7c3dc440b1f5c75f45e24430f913e561dc82a419 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6c4530bdca467e287a0988ab2b9c5c268387ac246fe4fd6c6c0458d1ff0a561c all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run representative crash: WARNING in kvm_arch_vcpu_ioctl_run, types: [WARNING] # git bisect good 7c3dc440b1f5c75f45e24430f913e561dc82a419 Bisecting: 13961 revisions left to test after this (roughly 14 steps) [177d591aba3838abc13968a25a3b339b420d97ca] Merge branch 'for-6.5/amd-sfh' into for-linus determine whether the revision contains the guilty commit revision 7c3dc440b1f5c75f45e24430f913e561dc82a419 crashed and is reachable testing commit 177d591aba3838abc13968a25a3b339b420d97ca gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1352c6d27a9f4b85e1611cd4ea589d14fd3058c73aecf3aa194681e922472a57 all runs: OK false negative chance: 0.000 # git bisect bad 177d591aba3838abc13968a25a3b339b420d97ca Bisecting: 6902 revisions left to test after this (roughly 13 steps) [c248b27cfc0a8a5fee93e000d47e659bca335d0f] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net determine whether the revision contains the guilty commit revision 7c3dc440b1f5c75f45e24430f913e561dc82a419 crashed and is reachable testing commit c248b27cfc0a8a5fee93e000d47e659bca335d0f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 30f3b1860338e31abbeefa1e620ec2658d4b6106d0e535b0948933273783a38f run #0: failed: failed to run command in VM: broken console: Permission denied (publickey) run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect bad c248b27cfc0a8a5fee93e000d47e659bca335d0f Bisecting: 3477 revisions left to test after this (roughly 12 steps) [d0072ca529674c36421023ffe90837a7de9387f3] mm: mmap: remove newline at the end of the trace determine whether the revision contains the guilty commit revision 7c3dc440b1f5c75f45e24430f913e561dc82a419 crashed and is reachable testing commit d0072ca529674c36421023ffe90837a7de9387f3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9eec3121994b1d40e8ea2b461a327418f0249c98285c6f74b2321c0515344a7f all runs: OK false negative chance: 0.000 # git bisect bad d0072ca529674c36421023ffe90837a7de9387f3 Bisecting: 1807 revisions left to test after this (roughly 11 steps) [d40b2f4c94f221bd5aab205f945e6f88d3df0929] Merge tag 'fuse-update-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit d40b2f4c94f221bd5aab205f945e6f88d3df0929 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fffe63a04105efa0ea4570e4cac22ee1eb56519d74b2ccdffdf51845d5680f43 all runs: OK false negative chance: 0.000 # git bisect bad d40b2f4c94f221bd5aab205f945e6f88d3df0929 Bisecting: 840 revisions left to test after this (roughly 10 steps) [60e2bf7d10e9cd5641f4a5183a19058d9a2c8782] Merge tag 'input-for-v6.3-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input determine whether the revision contains the guilty commit revision 7c3dc440b1f5c75f45e24430f913e561dc82a419 crashed and is reachable testing commit 60e2bf7d10e9cd5641f4a5183a19058d9a2c8782 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b2f74407fc0eb5c813154691e3fc715656fcc5f807c3d220fcab317a05c34eaf all runs: OK false negative chance: 0.000 # git bisect bad 60e2bf7d10e9cd5641f4a5183a19058d9a2c8782 Bisecting: 458 revisions left to test after this (roughly 9 steps) [45dd9bc75d9adc9483f0c7d662ba6e73ed698a0b] KVM: SVM: hyper-v: placate modpost section mismatch error determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 45dd9bc75d9adc9483f0c7d662ba6e73ed698a0b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e4049d42776f0803353d789dfb6c62689a7dd5702896c83ac8f6f5b529567687 all runs: OK false negative chance: 0.000 # git bisect bad 45dd9bc75d9adc9483f0c7d662ba6e73ed698a0b Bisecting: 179 revisions left to test after this (roughly 8 steps) [4f2a5a6b96a00544a0d9e40863f492552fd953e7] Merge tag 'kvm-x86-misc-6.3' of https://github.com/kvm-x86/linux into HEAD determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 4f2a5a6b96a00544a0d9e40863f492552fd953e7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5c3037ac0d928c4b250c981ad9e882c60fb78d9cbf6d8f848cd1eaa1489bb05b all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run representative crash: WARNING in kvm_arch_vcpu_ioctl_run, types: [WARNING] # git bisect good 4f2a5a6b96a00544a0d9e40863f492552fd953e7 Bisecting: 98 revisions left to test after this (roughly 7 steps) [33436335e93a1788a58443fc99c5ab320ce4b9d9] Merge tag 'kvm-riscv-6.3-1' of https://github.com/kvm-riscv/linux into HEAD determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 33436335e93a1788a58443fc99c5ab320ce4b9d9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 414d36bc0d4b61da875dab8133b6b68c8261bbe032c7da2cca3b0af4683b9d16 all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run representative crash: WARNING in kvm_arch_vcpu_ioctl_run, types: [WARNING] # git bisect good 33436335e93a1788a58443fc99c5ab320ce4b9d9 Bisecting: 54 revisions left to test after this (roughly 6 steps) [022d3f0800682f84e1437ad2a2f6fb85fc94abf6] Merge branch kvm-arm64/misc into kvmarm/next determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 022d3f0800682f84e1437ad2a2f6fb85fc94abf6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 13a346006b54cc5887b54651c4a04b98d2ee7de6259a133c4e8a87b692d02d37 all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run representative crash: WARNING in kvm_arch_vcpu_ioctl_run, types: [WARNING] # git bisect good 022d3f0800682f84e1437ad2a2f6fb85fc94abf6 Bisecting: 33 revisions left to test after this (roughly 5 steps) [7f604e92fb805d2569aa5fb177a1c7231ea2f0cc] KVM: x86/mmu: Make tdp_mmu_allowed static determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 7f604e92fb805d2569aa5fb177a1c7231ea2f0cc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cfca97ac0a9ff38a8f173e3872fa2f10e7fedf44363de6c4ebb74e1927078945 all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run representative crash: WARNING in kvm_arch_vcpu_ioctl_run, types: [WARNING] # git bisect good 7f604e92fb805d2569aa5fb177a1c7231ea2f0cc Bisecting: 16 revisions left to test after this (roughly 4 steps) [9f75b6d447d712b6ed9abc869eedf456fe7f5e9b] KVM: arm64: nv: Filter out unsupported features from ID regs determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 9f75b6d447d712b6ed9abc869eedf456fe7f5e9b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4495570e363ec870faafd018c8bfa34c0a75d766e884fcebaa5d049d5d2d34d0 all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run representative crash: WARNING in kvm_arch_vcpu_ioctl_run, types: [WARNING] # git bisect good 9f75b6d447d712b6ed9abc869eedf456fe7f5e9b Bisecting: 8 revisions left to test after this (roughly 3 steps) [8e6ed96cdd5001c55fccc80a17f651741c1ca7d2] KVM: x86: fire timer when it is migrated and expired, and in oneshot mode determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 8e6ed96cdd5001c55fccc80a17f651741c1ca7d2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6ac44536a271d206c0cbf05a31030314b7459d6af0559c16412538363841b7a2 all runs: OK false negative chance: 0.000 # git bisect bad 8e6ed96cdd5001c55fccc80a17f651741c1ca7d2 Bisecting: 3 revisions left to test after this (roughly 2 steps) [b223649576fc21bec46260805c2cd70e1cb3b8e8] KVM: x86: Mark x2APIC DFR reg as non-existent for x2APIC determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit b223649576fc21bec46260805c2cd70e1cb3b8e8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9958b5cbd67266be6db93e534d8a5323378666f7ab961d1ebf78df00a15629b5 all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run representative crash: WARNING in kvm_arch_vcpu_ioctl_run, types: [WARNING] # git bisect good b223649576fc21bec46260805c2cd70e1cb3b8e8 Bisecting: 1 revision left to test after this (roughly 1 step) [c39857ce8daaaa429ccae2a393301ffeed67e235] KVM: VMX: Always intercept accesses to unsupported "extended" x2APIC regs determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit c39857ce8daaaa429ccae2a393301ffeed67e235 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 786a8f27aa5da7a0a82a0efcb11f6e42edc5c90b5ee7f79885aff7a148c674e7 all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run representative crash: WARNING in kvm_arch_vcpu_ioctl_run, types: [WARNING] # git bisect good c39857ce8daaaa429ccae2a393301ffeed67e235 Bisecting: 0 revisions left to test after this (roughly 0 steps) [02efd818a6c095bcbf422f47fccc4ef27d53f344] KVM: VMX: Intercept reads to invalid and write-only x2APIC registers determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 02efd818a6c095bcbf422f47fccc4ef27d53f344 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 518ad9c061439b1078fa50068c76a7fe41737ce85d5e4317eda7d16f1539f0df all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run representative crash: WARNING in kvm_arch_vcpu_ioctl_run, types: [WARNING] # git bisect good 02efd818a6c095bcbf422f47fccc4ef27d53f344 8e6ed96cdd5001c55fccc80a17f651741c1ca7d2 is the first bad commit commit 8e6ed96cdd5001c55fccc80a17f651741c1ca7d2 Author: Li RongQing Date: Fri Jan 6 12:06:25 2023 +0800 KVM: x86: fire timer when it is migrated and expired, and in oneshot mode when the vCPU was migrated, if its timer is expired, KVM _should_ fire the timer ASAP, zeroing the deadline here will cause the timer to immediately fire on the destination Cc: Sean Christopherson Cc: Peter Shier Cc: Jim Mattson Cc: Wanpeng Li Cc: Paolo Bonzini Signed-off-by: Li RongQing Link: https://lore.kernel.org/r/20230106040625.8404-1-lirongqing@baidu.com Signed-off-by: Sean Christopherson arch/x86/kvm/lapic.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) accumulated error probability: 0.00 culprit signature: 6ac44536a271d206c0cbf05a31030314b7459d6af0559c16412538363841b7a2 parent signature: 518ad9c061439b1078fa50068c76a7fe41737ce85d5e4317eda7d16f1539f0df revisions tested: 26, total time: 3h52m21.089298158s (build: 1h14m32.337937612s, test: 2h28m36.427817142s) first good commit: 8e6ed96cdd5001c55fccc80a17f651741c1ca7d2 KVM: x86: fire timer when it is migrated and expired, and in oneshot mode recipients (to): ["lirongqing@baidu.com" "seanjc@google.com"] recipients (cc): []