ci starts bisection 2024-02-25 07:33:25.734700469 +0000 UTC m=+220061.988729727 bisecting cause commit starting from f2e367d6ad3bdc527c2b14e759c2f010d6b2b7a1 building syzkaller on 8d446f1521b580230a60c9ae228bf0c26312c80b ensuring issue is reproducible on original commit f2e367d6ad3bdc527c2b14e759c2f010d6b2b7a1 testing commit f2e367d6ad3bdc527c2b14e759c2f010d6b2b7a1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: db6792d88a97178b5bb515f5c39aa2b9a03c2e885ff0ebf378abca4dd87a7c1d all runs: crashed: divide error in isd200_ata_command representative crash: divide error in isd200_ata_command, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit f2e367d6ad3bdc527c2b14e759c2f010d6b2b7a1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 34bf3d986ec6a6a278215984970552ea1641ee4e20aa64b9d96f673f9507a1b9 all runs: crashed: divide error in isd200_ata_command representative crash: divide error in isd200_ata_command, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3937 full=7963 leaves diff=2020 split chunks (needed=false): <2020> split chunk #0 of len 2020 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit f2e367d6ad3bdc527c2b14e759c2f010d6b2b7a1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4c0afdb1778657216b88363880cfb0301dd762a9c4dda7915d7876c44f3a0144 all runs: crashed: divide error in isd200_ata_command representative crash: divide error in isd200_ata_command, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit f2e367d6ad3bdc527c2b14e759c2f010d6b2b7a1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ee44a8a477e34feabe566b4d3fa572812dfaa2e2961c4b6c095b623183393d35 all runs: crashed: divide error in isd200_ata_command representative crash: divide error in isd200_ata_command, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit f2e367d6ad3bdc527c2b14e759c2f010d6b2b7a1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dd5a8f33021410bd091192666c03b34cdeadbb1a19e0747ffcc2f64c3647f63f all runs: crashed: divide error in isd200_ata_command representative crash: divide error in isd200_ata_command, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit f2e367d6ad3bdc527c2b14e759c2f010d6b2b7a1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0544817f5c1ad04ac717bbea6642cb8735ffd824496c30eb1399a9c0462918bd all runs: crashed: divide error in isd200_ata_command representative crash: divide error in isd200_ata_command, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit f2e367d6ad3bdc527c2b14e759c2f010d6b2b7a1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ecb617a71e4cdf737320464ab33a1107f478ba4ae0268f44eefa2855673a1039 all runs: OK false negative chance: 0.000 minimized to 404 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 IOMMUFD IRQ_REMAP 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 TARGET_CORE TUN USB_AMD5536UDC USB_ATM USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM 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 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_NCM USB_F_OBEX USB_F_PHONET USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_GPIO_VBUS USB_GR_UDC USB_GSPCA USB_GSPCA_BENQ USB_GSPCA_CONEX USB_GSPCA_CPIA1 USB_GSPCA_DTCS033 USB_GSPCA_ETOMS USB_GSPCA_FINEPIX USB_GSPCA_JEILINJ USB_GSPCA_JL2005BCD USB_GSPCA_KINECT USB_GSPCA_KONICA USB_GSPCA_MARS USB_GSPCA_MR97310A USB_GSPCA_NW80X USB_GSPCA_OV519 USB_GSPCA_OV534 USB_GSPCA_OV534_9 USB_GSPCA_PAC207 USB_GSPCA_PAC7302 USB_GSPCA_PAC7311 USB_GSPCA_SE401 USB_GSPCA_SN9C2028 USB_GSPCA_SN9C20X USB_GSPCA_SONIXB USB_GSPCA_SONIXJ USB_GSPCA_SPCA1528 USB_GSPCA_SPCA500 USB_GSPCA_SPCA501 USB_GSPCA_SPCA505 USB_GSPCA_SPCA506 USB_GSPCA_SPCA508 USB_GSPCA_SPCA561 USB_GSPCA_SQ905 USB_GSPCA_SQ905C USB_GSPCA_SQ930X USB_GSPCA_STK014 USB_GSPCA_STK1135 USB_GSPCA_STV0680 USB_GSPCA_SUNPLUS USB_GSPCA_T613 USB_GSPCA_TOPRO USB_GSPCA_TOUPTEK USB_GSPCA_TV8532 USB_GSPCA_VC032X USB_GSPCA_VICAM USB_GSPCA_XIRLINK_CIT USB_GSPCA_ZC3XX USB_HACKRF USB_HCD_BCMA USB_HCD_SSB USB_HSIC_USB3503 USB_HSIC_USB4604 USB_HSO USB_HUB_USB251XB USB_IDMOUSE USB_IOWARRIOR USB_IPHETH USB_ISIGHTFW USB_ISP116X_HCD USB_ISP1301 USB_ISP1760 USB_ISP1760_DUAL_ROLE USB_ISP1760_HCD USB_ISP1761_UDC USB_KAWETH USB_KC2190 USB_KEENE USB_LAN78XX USB_LCD USB_LD USB_LEDS_TRIGGER_USBPORT USB_LED_TRIG USB_LEGOTOWER USB_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_M5602 USB_MA901 USB_MAX3421_HCD USB_MDC800 USB_MICROTEK USB_MR800 USB_MSI2500 USB_MUSB_DUAL_ROLE USB_MUSB_HDRC USB_MV_U3D USB_MV_UDC USB_NET2272 USB_NET2272_DMA USB_NET2280 USB_NET_AX88179_178A USB_NET_AX8817X USB_NET_CDCETHER USB_NET_CDC_EEM USB_NET_CDC_MBIM USB_NET_CDC_NCM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_CH9200 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_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_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 UVC_COMMON 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_DEVICE_CDEV 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_TASK 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_CMDLINE 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_NOMODESET VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 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_USER_SHADOW_STACK X86_X2APIC X86_X32_ABI 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 XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_DEFAULT_ON ZSWAP_SHRINKER_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_ZSMALLOC] disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed picked [v6.7 v6.6 v6.5 v6.3 v6.1 v5.19 v5.17 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 30 release tags testing release v6.7 testing commit 0dd3ee31125508cd67f7e7172247f05b7fd1753a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fa4e54d10af2a51ee7700cb9b875b3f796adca400f2bd49cf3c05d493ffdb3fd all runs: OK false negative chance: 0.000 # git bisect start f2e367d6ad3bdc527c2b14e759c2f010d6b2b7a1 0dd3ee31125508cd67f7e7172247f05b7fd1753a Bisecting: 6371 revisions left to test after this (roughly 13 steps) [cf65598d5909acf5e7b7dc9e21786e386356bc81] Merge tag 'drm-next-2024-01-10' of git://anongit.freedesktop.org/drm/drm testing commit cf65598d5909acf5e7b7dc9e21786e386356bc81 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fd1bea838321b2ba64848c39896e2b5bca86d5f060095cd355e0221b2b63855a all runs: OK false negative chance: 0.000 # git bisect good cf65598d5909acf5e7b7dc9e21786e386356bc81 Bisecting: 3197 revisions left to test after this (roughly 12 steps) [e7ded27593bf0aff08d18258251e3de0a2697f47] Merge tag 'percpu-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu testing commit e7ded27593bf0aff08d18258251e3de0a2697f47 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 122f3a8d21f83046520662cc2857672f9aa6e5dcab0bad798d49c5e68b9e52c0 all runs: OK false negative chance: 0.000 # git bisect good e7ded27593bf0aff08d18258251e3de0a2697f47 Bisecting: 1597 revisions left to test after this (roughly 11 steps) [8a696a29c6905594e4abf78eaafcb62165ac61f1] Merge tag 'platform-drivers-x86-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 testing commit 8a696a29c6905594e4abf78eaafcb62165ac61f1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1122112d2085e8702d97a0cd060010c5e38f2d7aa72dfa0ce24e95d8f8431953 all runs: OK false negative chance: 0.000 # git bisect good 8a696a29c6905594e4abf78eaafcb62165ac61f1 Bisecting: 791 revisions left to test after this (roughly 10 steps) [a2343df3fb1e62ef7c5c0a65c06621980f257d5b] Merge tag 'ntfs3_for_6.8' of https://github.com/Paragon-Software-Group/linux-ntfs3 testing commit a2343df3fb1e62ef7c5c0a65c06621980f257d5b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 256990bfa7bf8ab28dbfe0ea380e2de6f3a3c44fdb1fee984c696bcb4ed38dbd all runs: OK false negative chance: 0.000 # git bisect good a2343df3fb1e62ef7c5c0a65c06621980f257d5b Bisecting: 397 revisions left to test after this (roughly 9 steps) [c1ca10ceffbb289ed02feaf005bc9ee6095b4507] Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi testing commit c1ca10ceffbb289ed02feaf005bc9ee6095b4507 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 03ed418fea93b915733d04ba279750d76f04c73ba8d236861aaab35d5876074d all runs: OK false negative chance: 0.000 # git bisect good c1ca10ceffbb289ed02feaf005bc9ee6095b4507 Bisecting: 182 revisions left to test after this (roughly 8 steps) [6714ebb922ab15a209dfc3c1ed29d4bb0abc9f02] Merge tag 'net-6.8.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit 6714ebb922ab15a209dfc3c1ed29d4bb0abc9f02 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: da360cb6cae87edd853be6812f86761b3ea74afc8665ba8929e2f317a8182feb all runs: OK false negative chance: 0.000 # git bisect good 6714ebb922ab15a209dfc3c1ed29d4bb0abc9f02 Bisecting: 92 revisions left to test after this (roughly 7 steps) [06b7ef70b1f29de685ea80f0c1b8f0a0b0e16d18] Merge tag 'drm-fixes-2024-02-23' of git://anongit.freedesktop.org/drm/drm testing commit 06b7ef70b1f29de685ea80f0c1b8f0a0b0e16d18 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 89a243f3666ec84e3ec7e9725263057fa4ea7de544a6074712ab9ad8b9ba1bcd all runs: OK false negative chance: 0.000 # git bisect good 06b7ef70b1f29de685ea80f0c1b8f0a0b0e16d18 Bisecting: 57 revisions left to test after this (roughly 6 steps) [dcb8e53e339e534eecfd86fb21674d7eef7380eb] Merge tag 'renesas-fixes-for-v6.8-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/fixes testing commit dcb8e53e339e534eecfd86fb21674d7eef7380eb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8203aa2c5979b41fe3415616b8596905a54dc099e011391910fb98118b03db15 all runs: OK false negative chance: 0.000 # git bisect good dcb8e53e339e534eecfd86fb21674d7eef7380eb Bisecting: 29 revisions left to test after this (roughly 5 steps) [5efa18e8626aa34559b72981ebf5d1af60cb3976] Merge tag 's390-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux testing commit 5efa18e8626aa34559b72981ebf5d1af60cb3976 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: acb23935478c395f709d30be45dd288d03d3ddb9088f2ea79357254295385673 all runs: OK false negative chance: 0.000 # git bisect good 5efa18e8626aa34559b72981ebf5d1af60cb3976 Bisecting: 18 revisions left to test after this (roughly 4 steps) [603c04e27c3e9891ce7afa5cd6b496bfacff4206] Merge tag 'parisc-for-6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux testing commit 603c04e27c3e9891ce7afa5cd6b496bfacff4206 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 031d88fc4f57bd5f3e0c912ab2acbafd42b80862f6cce4785ca2fbe4cb0978af all runs: OK false negative chance: 0.000 # git bisect good 603c04e27c3e9891ce7afa5cd6b496bfacff4206 Bisecting: 8 revisions left to test after this (roughly 3 steps) [fef85269a19d277f23fc5ff08a3c356beeb54cb3] Merge tag 'i2c-for-6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux testing commit fef85269a19d277f23fc5ff08a3c356beeb54cb3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dc9142d141069848a45364df1d3db0f7576f871322f4ac9e309fd5b9522aa5af all runs: OK false negative chance: 0.000 # git bisect good fef85269a19d277f23fc5ff08a3c356beeb54cb3 Bisecting: 4 revisions left to test after this (roughly 2 steps) [f2dced9d1992824d677593072bc20eccf66ac5d5] scsi: ufs: Uninitialized variable in ufshcd_devfreq_target() testing commit f2dced9d1992824d677593072bc20eccf66ac5d5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9a0dae4b98fae52f8c912dcacfdf0bc0a6859b61505b40930ed9ba850b897925 all runs: crashed: divide error in isd200_ata_command representative crash: divide error in isd200_ata_command, types: [UNKNOWN] # git bisect bad f2dced9d1992824d677593072bc20eccf66ac5d5 Bisecting: 1 revision left to test after this (roughly 1 step) [b5fc07a5fb56216a49e6c1d0b172d5464d99a89b] scsi: core: Consult supported VPD page list prior to fetching page testing commit b5fc07a5fb56216a49e6c1d0b172d5464d99a89b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0b654c385e28b4d87a623c9b5a37f72280a77261acd1b790e58659cfdab7043d all runs: crashed: divide error in isd200_ata_command representative crash: divide error in isd200_ata_command, types: [UNKNOWN] # git bisect bad b5fc07a5fb56216a49e6c1d0b172d5464d99a89b Bisecting: 0 revisions left to test after this (roughly 0 steps) [321da3dc1f3c92a12e3c5da934090d2992a8814c] scsi: sd: usb_storage: uas: Access media prior to querying device properties testing commit 321da3dc1f3c92a12e3c5da934090d2992a8814c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7b39fa64c0b3b328273e0d3bc2d074004c92c121acbec3de54a36940504bd2d9 all runs: crashed: divide error in isd200_ata_command representative crash: divide error in isd200_ata_command, types: [UNKNOWN] # git bisect bad 321da3dc1f3c92a12e3c5da934090d2992a8814c 321da3dc1f3c92a12e3c5da934090d2992a8814c is the first bad commit commit 321da3dc1f3c92a12e3c5da934090d2992a8814c Author: Martin K. Petersen Date: Tue Feb 13 09:33:06 2024 -0500 scsi: sd: usb_storage: uas: Access media prior to querying device properties It has been observed that some USB/UAS devices return generic properties hardcoded in firmware for mode pages for a period of time after a device has been discovered. The reported properties are either garbage or they do not accurately reflect the characteristics of the physical storage device attached in the case of a bridge. Prior to commit 1e029397d12f ("scsi: sd: Reorganize DIF/DIX code to avoid calling revalidate twice") we would call revalidate several times during device discovery. As a result, incorrect values would eventually get replaced with ones accurately describing the attached storage. When we did away with the redundant revalidate pass, several cases were reported where devices reported nonsensical values or would end up in write-protected state. An initial attempt at addressing this issue involved introducing a delayed second revalidate invocation. However, this approach still left some devices reporting incorrect characteristics. Tasos Sahanidis debugged the problem further and identified that introducing a READ operation prior to MODE SENSE fixed the problem and that it wasn't a timing issue. Issuing a READ appears to cause the devices to update their state to reflect the actual properties of the storage media. Device properties like vendor, model, and storage capacity appear to be correctly reported from the get-go. It is unclear why these devices defer populating the remaining characteristics. Match the behavior of a well known commercial operating system and trigger a READ operation prior to querying device characteristics to force the device to populate the mode pages. The additional READ is triggered by a flag set in the USB storage and UAS drivers. We avoid issuing the READ for other transport classes since some storage devices identify Linux through our particular discovery command sequence. Link: https://lore.kernel.org/r/20240213143306.2194237-1-martin.petersen@oracle.com Fixes: 1e029397d12f ("scsi: sd: Reorganize DIF/DIX code to avoid calling revalidate twice") Cc: stable@vger.kernel.org Reported-by: Tasos Sahanidis Reviewed-by: Ewan D. Milne Reviewed-by: Bart Van Assche Tested-by: Tasos Sahanidis Signed-off-by: Martin K. Petersen drivers/scsi/sd.c | 26 +++++++++++++++++++++++++- drivers/usb/storage/scsiglue.c | 7 +++++++ drivers/usb/storage/uas.c | 7 +++++++ include/scsi/scsi_device.h | 1 + 4 files changed, 40 insertions(+), 1 deletion(-) accumulated error probability: 0.00 parent commit 379a58caa19930e010b7efa1c1f3b9411d3d2ca3 wasn't tested testing commit 379a58caa19930e010b7efa1c1f3b9411d3d2ca3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f7ce536fe89b4231f6d2ab89bda87bc81613d3dd0561bdcaf6834be62977fd7 culprit signature: 7b39fa64c0b3b328273e0d3bc2d074004c92c121acbec3de54a36940504bd2d9 parent signature: 6f7ce536fe89b4231f6d2ab89bda87bc81613d3dd0561bdcaf6834be62977fd7 revisions tested: 22, total time: 8h3m52.070102107s (build: 4h15m5.798826943s, test: 3h31m24.139419788s) first bad commit: 321da3dc1f3c92a12e3c5da934090d2992a8814c scsi: sd: usb_storage: uas: Access media prior to querying device properties recipients (to): ["bvanassche@acm.org" "emilne@redhat.com" "martin.petersen@oracle.com" "tasos@tasossah.com"] recipients (cc): [] crash: divide error in isd200_ata_command divide error: 0000 [#1] PREEMPT SMP PTI CPU: 0 PID: 2596 Comm: usb-storage Not tainted 6.8.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:isd200_scsi_to_ata drivers/usb/storage/isd200.c:1321 [inline] RIP: 0010:isd200_ata_command+0x220/0x5d0 drivers/usb/storage/isd200.c:1529 Code: c9 31 ff 31 f6 31 d2 e9 d8 00 00 00 8b 8b f6 00 00 00 0f c9 44 0f b6 9b fc 00 00 00 f6 46 63 02 75 32 0f b7 7e 0c 89 c8 31 d2 f7 41 89 c0 89 d5 40 fe c5 0f b7 76 06 0f af fe 48 63 ff 48 89 RSP: 0018:ffffc90005583e20 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88811d8100f8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff888112351000 RDI: 0000000000000000 RBP: ffffc90005583ef0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888112e65000 R13: 0000000000000200 R14: ffff8881159ceca8 R15: ffff88810539a800 FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563253531000 CR3: 0000000105bdc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: usb_stor_control_thread+0x119/0x270 drivers/usb/storage/usb.c:368 kthread+0xe9/0x100 kernel/kthread.c:388 ret_from_fork+0x32/0x40 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:isd200_scsi_to_ata drivers/usb/storage/isd200.c:1321 [inline] RIP: 0010:isd200_ata_command+0x220/0x5d0 drivers/usb/storage/isd200.c:1529 Code: c9 31 ff 31 f6 31 d2 e9 d8 00 00 00 8b 8b f6 00 00 00 0f c9 44 0f b6 9b fc 00 00 00 f6 46 63 02 75 32 0f b7 7e 0c 89 c8 31 d2 f7 41 89 c0 89 d5 40 fe c5 0f b7 76 06 0f af fe 48 63 ff 48 89 RSP: 0018:ffffc90005583e20 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88811d8100f8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff888112351000 RDI: 0000000000000000 RBP: ffffc90005583ef0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888112e65000 R13: 0000000000000200 R14: ffff8881159ceca8 R15: ffff88810539a800 FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563253531000 CR3: 0000000105bdc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: c9 leave 1: 31 ff xor %edi,%edi 3: 31 f6 xor %esi,%esi 5: 31 d2 xor %edx,%edx 7: e9 d8 00 00 00 jmp 0xe4 c: 8b 8b f6 00 00 00 mov 0xf6(%rbx),%ecx 12: 0f c9 bswap %ecx 14: 44 0f b6 9b fc 00 00 movzbl 0xfc(%rbx),%r11d 1b: 00 1c: f6 46 63 02 testb $0x2,0x63(%rsi) 20: 75 32 jne 0x54 22: 0f b7 7e 0c movzwl 0xc(%rsi),%edi 26: 89 c8 mov %ecx,%eax 28: 31 d2 xor %edx,%edx * 2a: f7 f7 div %edi <-- trapping instruction 2c: 41 89 c0 mov %eax,%r8d 2f: 89 d5 mov %edx,%ebp 31: 40 fe c5 inc %bpl 34: 0f b7 76 06 movzwl 0x6(%rsi),%esi 38: 0f af fe imul %esi,%edi 3b: 48 63 ff movslq %edi,%rdi 3e: 48 rex.W 3f: 89 .byte 0x89