ci2 starts bisection 2023-09-27 23:23:59.086422905 +0000 UTC m=+40466.688216999 bisecting fixing commit since 2f3918bc53fb998fdeed8683ddc61194ceb84edf building syzkaller on 49519f067f7fc9bfbf869e6851a4d398a9f7863f ensuring issue is reproducible on original commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ac3214186a770eb96bfe36018f0dd1ad4d71296b0237d13d1443ecd76baf2c66 all runs: crashed: UBSAN: shift-out-of-bounds in dbUpdatePMap representative crash: UBSAN: shift-out-of-bounds in dbUpdatePMap, types: [UBSAN] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4e72953a90c3480ab6d26e1fda1a9ad649fd0c9bf7d0be55e28a8ccea972fb80 all runs: crashed: UBSAN: shift-out-of-bounds in dbUpdatePMap representative crash: UBSAN: shift-out-of-bounds in dbUpdatePMap, types: [UBSAN] the bug reproduces without the instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK BUG KASAN], they are not needed kconfig minimization: base=7498 full=9690 leaves diff=1935 split chunks (needed=false): <1935> split chunk #0 of len 1935 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK BUG KASAN], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2d46ff632073a01770e84ffb6947a3a251181d0a94ed9bb40d77aaa9d8d887bf all runs: crashed: UBSAN: shift-out-of-bounds in dbUpdatePMap representative crash: UBSAN: shift-out-of-bounds in dbUpdatePMap, types: [UBSAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK BUG KASAN], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: be58259de349fe07a3343c77a3a4d8477be35dcfbb3ef7a04da92581cffe63b1 all runs: boot failed: can't ssh into the instance unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0 testing without sub-chunk 3/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK BUG], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9bcca40353b6c472419c4482621a4a1bd24487e09905f3c0795ecf3a26721fb7 all runs: crashed: UBSAN: shift-out-of-bounds in dbUpdatePMap representative crash: UBSAN: shift-out-of-bounds in dbUpdatePMap, types: [UBSAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK BUG], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: aff5a64c5555bcc420b77c2e4837113c7880a36cc72de91b4d79fc67b3673774 all runs: crashed: UBSAN: shift-out-of-bounds in dbUpdatePMap representative crash: UBSAN: shift-out-of-bounds in dbUpdatePMap, types: [UBSAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5fc290868f4293b9957dc3bc747a5c0d9392174ef76ad2fd6647eb5068e56e3a all runs: crashed: UBSAN: shift-out-of-bounds in dbUpdatePMap representative crash: UBSAN: shift-out-of-bounds in dbUpdatePMap, types: [UBSAN] the chunk can be dropped minimized to 387 configs; suspects: [6LOWPAN ACPI_VIDEO DLM DRM DRM_BRIDGE DRM_TI_SN65DSI86 DRM_TTM DRM_TTM_HELPER DRM_UDL DRM_V3D DRM_VC4 DRM_VGEM DRM_VIRTIO_GPU DRM_VKMS DRM_VRAM_HELPER DUMMY DVB_AF9013 DVB_AF9033 DVB_AS102 DVB_AS102_FE DVB_B2C2_FLEXCOP DVB_B2C2_FLEXCOP_USB DVB_DIB3000MB DVB_DIB3000MC DVB_EC100 DVB_GP8PSK_FE DVB_RTL2830 DVB_RTL2832 DVB_RTL2832_SDR DVB_TEST_DRIVERS DVB_TTUSB_BUDGET DVB_TTUSB_DEC DVB_USB DVB_USB_A800 DVB_USB_AF9005 DVB_USB_AF9005_REMOTE DVB_USB_AF9015 DVB_USB_AF9035 DVB_USB_ANYSEE DVB_USB_AU6610 DVB_USB_AZ6007 DVB_USB_AZ6027 DVB_USB_CE6230 DVB_USB_CINERGY_T2 DVB_USB_CXUSB DVB_USB_DIB0700 DVB_USB_DIB3000MC DVB_USB_DIBUSB_MB DVB_USB_DIBUSB_MC DVB_USB_DIGITV DVB_USB_DTT200U DVB_USB_DTV5100 DVB_USB_DVBSKY DVB_USB_DW2102 DVB_USB_EC168 DVB_USB_GL861 DVB_USB_GP8PSK DVB_USB_LME2510 DVB_USB_M920X DVB_USB_MXL111SF DVB_USB_NOVA_T_USB2 DVB_USB_OPERA1 DVB_USB_PCTV452E DVB_USB_RTL28XXU DVB_USB_TECHNISAT_USB2 DVB_USB_TTUSB2 DVB_USB_UMT_010 DVB_USB_V2 DVB_USB_VP702X DVB_USB_VP7045 DVB_USB_ZD1301 DVB_VIDTV DVB_ZL10353 E100 ECRYPT_FS ECRYPT_FS_MESSAGING EEPROM_93CX6 EFS_FS ENCRYPTED_KEYS EQUALIZER EROFS_FS EROFS_FS_POSIX_ACL EROFS_FS_SECURITY EROFS_FS_XATTR EROFS_FS_ZIP EVM EVM_ADD_XATTRS EVM_ATTR_FSUUID EXFAT_FS EXPORTFS_BLOCK_OPS EXT3_FS_POSIX_ACL EXT3_FS_SECURITY EXT4_FS_SECURITY F2FS_CHECK_FS F2FS_FAULT_INJECTION F2FS_FS F2FS_FS_COMPRESSION F2FS_FS_LZ4 F2FS_FS_LZ4HC F2FS_FS_LZO F2FS_FS_LZORLE F2FS_FS_POSIX_ACL F2FS_FS_SECURITY F2FS_FS_XATTR F2FS_FS_ZSTD F2FS_STAT_FS FB_DEFERRED_IO FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_FOPS FB_SYS_IMAGEBLIT FB_TILEBLITTING FB_VIRTUAL FDDI FIB_RULES FIREWIRE FIREWIRE_NET FIREWIRE_OHCI FIREWIRE_SBP2 FRAMEBUFFER_CONSOLE_ROTATION FRONTSWAP FS_DAX FS_DAX_PMD FS_ENCRYPTION FS_ENCRYPTION_ALGS FS_VERITY FS_VERITY_BUILTIN_SIGNATURES FTL FW_LOADER_COMPRESS FW_LOADER_USER_HELPER_FALLBACK GACT_PROB GET_FREE_REGION GFS2_FS GFS2_FS_LOCKING_DLM GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIO_DLN2 GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GTP GVE HAVE_ARCH_USERFAULTFD_MINOR HAVE_IMA_KEXEC HDLC HDLC_CISCO HDLC_FR HDLC_PPP HDLC_RAW HDLC_RAW_ETH HDLC_X25 HDMI HFSPLUS_FS HFS_FS HIDRAW HID_ACCUTOUCH HID_ACRUX HID_ACRUX_FF HID_ALPS HID_APPLEIR HID_ASUS HID_AUREAL HID_BATTERY_STRENGTH HID_BETOP_FF HID_CMEDIA HID_CORSAIR HID_CP2112 HID_ELECOM HID_ELO HID_EMS_FF HID_GEMBIRD HID_GFRM HID_GREENASIA HID_GT683R HID_GYRATION HID_HOLTEK HID_ICADE HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MAGICMOUSE HID_MAYFLASH HID_NTI HID_NTRIG HID_ORTEK HID_PENMOUNT HID_PETALYNX HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB HID_PICOLCD_LCD HID_PICOLCD_LEDS HID_PID HID_PLANTRONICS HID_PRIMAX HID_PRODIKEYS HID_RETRODE HID_RMI HID_ROCCAT HID_SAITEK HID_SAMSUNG HID_SENSOR_ACCEL_3D HID_SENSOR_ALS HID_SENSOR_CUSTOM_SENSOR HID_SENSOR_DEVICE_ROTATION HID_SENSOR_GYRO_3D HID_SENSOR_HUB HID_SENSOR_HUMIDITY HID_SENSOR_IIO_COMMON HID_SENSOR_IIO_TRIGGER HID_SENSOR_INCLINOMETER_3D HID_SENSOR_MAGNETOMETER_3D HID_SENSOR_PRESS HID_SENSOR_PROX HID_SENSOR_TEMP HID_SPEEDLINK HID_STEELSERIES HID_SUNPLUS HID_THINGM HID_TIVO HID_TOPSEED HID_TWINHAN HID_UCLOGIC HID_UDRAW_PS3 HID_WACOM HID_WALTOP HID_WIIMOTE HID_XINMO HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPFS_FS I2C_DIOLAN_U2C I2C_DLN2 I2C_MUX_REG I2C_ROBOTFUZZ_OSIF I2C_SI4713 I2C_SLAVE_EEPROM I2C_TINY_USB I2C_VIPERBOARD IEEE802154 IEEE802154_6LOWPAN IEEE802154_ATUSB IEEE802154_DRIVERS IEEE802154_HWSIM IEEE802154_NL802154_EXPERIMENTAL IEEE802154_SOCKET IFB IMA IMA_APPRAISE IMA_APPRAISE_MODSIG IMA_DEFAULT_HASH_SHA256 IMA_LSM_RULES IMA_MEASURE_ASYMMETRIC_KEYS IMA_NG_TEMPLATE IMA_QUEUE_EARLY_BOOT_KEYS IMA_READ_POLICY IMA_WRITE_POLICY INET6_AH INET6_ESP INET6_ESPINTCP INET6_ESP_OFFLOAD INET6_IPCOMP INET6_TUNNEL INET6_XFRM_TUNNEL INET_AH INET_DCCP_DIAG INET_DIAG_DESTROY INET_ESP INET_ESPINTCP INET_ESP_OFFLOAD INET_IPCOMP INET_MPTCP_DIAG INET_RAW_DIAG INET_SCTP_DIAG INET_UDP_DIAG INET_XFRM_TUNNEL INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_ADDR_TRANS_CONFIGFS INFINIBAND_IPOIB INFINIBAND_IPOIB_CM INFINIBAND_IPOIB_DEBUG INFINIBAND_ISER INFINIBAND_ON_DEMAND_PAGING INFINIBAND_RTRS INFINIBAND_SRP INFINIBAND_USER_ACCESS INFINIBAND_USER_MAD INFINIBAND_USER_MEM INPUT_ATI_REMOTE2 INPUT_CM109 INPUT_IMS_PCU INPUT_JOYDEV INPUT_JOYSTICK INPUT_KEYSPAN_REMOTE INPUT_LEDS INPUT_MOUSEDEV INPUT_MOUSEDEV_PSAUX INPUT_POWERMATE INPUT_UINPUT INPUT_YEALINK INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_AUDIT INTEGRITY_SIGNATURE INTEGRITY_TRUSTED_KEYRING IP6_NF_MATCH_AH IP6_NF_MATCH_EUI64 IP6_NF_MATCH_FRAG IP6_NF_MATCH_HL IP6_NF_MATCH_IPV6HEADER IP6_NF_MATCH_MH IP6_NF_MATCH_OPTS IP6_NF_MATCH_RPFILTER IP6_NF_MATCH_RT IP6_NF_MATCH_SRH IP6_NF_RAW IP6_NF_SECURITY IP6_NF_TARGET_HL IP6_NF_TARGET_NPT IP6_NF_TARGET_SYNPROXY IPV6_FOU IPV6_FOU_TUNNEL IPV6_GRE IPV6_ILA IPV6_MIP6 IPV6_MROUTE IPV6_MROUTE_MULTIPLE_TABLES IPV6_MULTIPLE_TABLES IPV6_OPTIMISTIC_DAD IPV6_PIMSM_V2 IPV6_ROUTER_PREF IPV6_ROUTE_INFO IPV6_RPL_LWTUNNEL IPV6_SEG6_BPF IPV6_SEG6_HMAC IPV6_SEG6_LWTUNNEL IPV6_SIT_6RD IPV6_SUBTREES IPV6_TUNNEL IPV6_VTI IPVLAN IPVLAN_L3S IPVTAP IP_ADVANCED_ROUTER IP_DCCP IP_DCCP_CCID3 IP_DCCP_TFRC_LIB IP_FIB_TRIE_STATS IP_MROUTE IP_MROUTE_COMMON IP_MROUTE_MULTIPLE_TABLES IP_NF_ARPFILTER IP_NF_ARPTABLES IP_NF_ARP_MANGLE IP_NF_MATCH_AH IP_NF_MATCH_ECN IP_NF_MATCH_RPFILTER IP_NF_MATCH_TTL IP_NF_RAW IP_NF_SECURITY IP_NF_TARGET_CLUSTERIP IP_NF_TARGET_ECN IP_NF_TARGET_NETMAP IP_NF_TARGET_REDIRECT IP_NF_TARGET_SYNPROXY IP_NF_TARGET_TTL IP_PIMSM_V1 IP_PIMSM_V2 IP_PNP_RARP IP_ROUTE_CLASSID IP_ROUTE_MULTIPATH IP_ROUTE_VERBOSE IP_SCTP IP_SET IP_SET_BITMAP_IP IP_SET_BITMAP_IPMAC IP_SET_BITMAP_PORT IP_SET_HASH_IP IP_SET_HASH_IPMAC IP_SET_HASH_IPMARK IP_SET_HASH_IPPORT IP_SET_HASH_IPPORTIP IP_SET_HASH_IPPORTNET IP_SET_HASH_MAC IP_SET_HASH_NET IP_SET_HASH_NETIFACE IP_SET_HASH_NETNET IP_SET_HASH_NETPORT IP_SET_HASH_NETPORTNET IP_SET_LIST_SET IP_VS_DH IP_VS_FO IP_VS_FTP IP_VS_IPV6 IP_VS_LBLC IP_VS_LBLCR IP_VS_LC IP_VS_MH IP_VS_NFCT IP_VS_NQ IP_VS_OVF IP_VS_PE_SIP IP_VS_PROTO_AH IP_VS_PROTO_AH_ESP IP_VS_PROTO_ESP IP_VS_PROTO_SCTP IP_VS_PROTO_TCP IP_VS_PROTO_UDP IP_VS_RR IP_VS_SED IP_VS_SH IP_VS_TWOS IP_VS_WLC IP_VS_WRR IR_IGORPLUGUSB IR_IGUANA IR_IMON IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TTUSBIR ISDN ISDN_CAPI_MIDDLEWARE ISO9660_FS JFFS2_CMODE_PRIORITY JFFS2_COMPRESSION_OPTIONS JFFS2_FS JFFS2_FS_POSIX_ACL JFFS2_FS_SECURITY JFFS2_FS_WRITEBUFFER JFFS2_FS_XATTR JFFS2_LZO JFFS2_RTIME JFFS2_RUBIN JFFS2_SUMMARY JFFS2_ZLIB JFS_DEBUG JFS_FS JFS_POSIX_ACL JFS_SECURITY JOLIET JOYSTICK_IFORCE JOYSTICK_IFORCE_USB JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KARMA_PARTITION KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL LAPB LCD_CLASS_DEVICE MAC802154 MEDIA_RADIO_SUPPORT MEDIA_TEST_SUPPORT MFD_DLN2 MFD_VIPERBOARD MPTCP NET_IPGRE_DEMUX NFT_FWD_NETDEV NF_CONNTRACK_FTP NF_CONNTRACK_SIP NF_TABLES NF_TABLES_NETDEV PARTITION_ADVANCED RADIO_ADAPTERS RADIO_SI4713 RFKILL SND SND_SOC SOUND WAN XFRM ZONE_DEVICE] disabling configs for [ATOMIC_SLEEP HANG LEAK BUG KASAN LOCKDEP], they are not needed testing current HEAD d23900f974e0fb995b36ef47283a5aa74ca25f51 testing commit d23900f974e0fb995b36ef47283a5aa74ca25f51 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fe9b81396a36b696b9b7ce7f9d85ad0dea87acc0f1dece4e59d0de3d48b36b53 all runs: OK false negative chance: 0.000 # git bisect start d23900f974e0fb995b36ef47283a5aa74ca25f51 2f3918bc53fb998fdeed8683ddc61194ceb84edf Bisecting: 1690 revisions left to test after this (roughly 11 steps) [7ae9f55a495077f838bab466411ee6f38574df9b] staging: ks7010: potential buffer overflow in ks_wlan_set_encode_ext() determine whether the revision contains the guilty commit revision 2f3918bc53fb998fdeed8683ddc61194ceb84edf crashed and is reachable testing commit 7ae9f55a495077f838bab466411ee6f38574df9b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 57a2afa949699342a050261292c7c072f4460cbd24cc0447b031cc2b5a90dd52 all runs: OK false negative chance: 0.000 # git bisect bad 7ae9f55a495077f838bab466411ee6f38574df9b Bisecting: 844 revisions left to test after this (roughly 10 steps) [38b64bdb72e053627ae9135807de1b05b21efef8] PCI: endpoint: Fix Kconfig indent style determine whether the revision contains the guilty commit revision 2f3918bc53fb998fdeed8683ddc61194ceb84edf crashed and is reachable testing commit 38b64bdb72e053627ae9135807de1b05b21efef8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3f971d7231ba6bd408fa093f560460f2aa6d880ba9bef8fa1d9062af49866918 all runs: crashed: UBSAN: shift-out-of-bounds in dbUpdatePMap representative crash: UBSAN: shift-out-of-bounds in dbUpdatePMap, types: [UBSAN] # git bisect good 38b64bdb72e053627ae9135807de1b05b21efef8 Bisecting: 422 revisions left to test after this (roughly 9 steps) [0471d907d8c1e107e34cc75cb32e7dbc0008da4f] ceph: fix blindly expanding the readahead windows determine whether the revision contains the guilty commit revision 2f3918bc53fb998fdeed8683ddc61194ceb84edf crashed and is reachable testing commit 0471d907d8c1e107e34cc75cb32e7dbc0008da4f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a4f8319a06c9e24f49388a56a2e5ed54d790a1b2b7ab6375e81974fd6655bf1c all runs: OK false negative chance: 0.000 # git bisect bad 0471d907d8c1e107e34cc75cb32e7dbc0008da4f Bisecting: 210 revisions left to test after this (roughly 8 steps) [23fbff67b06d023d179133b93a57f408b5f64985] mm/damon/ops-common: atomically test and clear young on ptes and pmds determine whether the revision contains the guilty commit revision 38b64bdb72e053627ae9135807de1b05b21efef8 crashed and is reachable testing commit 23fbff67b06d023d179133b93a57f408b5f64985 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 81d09fb532df026b3b46aaf2a2c2fc0f87ed3ffcce5c8c4c4c16c78a469f954d all runs: crashed: UBSAN: shift-out-of-bounds in dbUpdatePMap representative crash: UBSAN: shift-out-of-bounds in dbUpdatePMap, types: [UBSAN] # git bisect good 23fbff67b06d023d179133b93a57f408b5f64985 Bisecting: 105 revisions left to test after this (roughly 7 steps) [b11a9b4f28cb6ff69ef7e69809e5f7fffeac9030] bpf: cpumap: Fix memory leak in cpu_map_update_elem determine whether the revision contains the guilty commit revision 2f3918bc53fb998fdeed8683ddc61194ceb84edf crashed and is reachable testing commit b11a9b4f28cb6ff69ef7e69809e5f7fffeac9030 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: af6d3a6a7c1e6ba495b26e259a8d5cd5acb9a01559a6a0c3f4534ea36ac71e16 all runs: crashed: UBSAN: shift-out-of-bounds in dbUpdatePMap representative crash: UBSAN: shift-out-of-bounds in dbUpdatePMap, types: [UBSAN] # git bisect good b11a9b4f28cb6ff69ef7e69809e5f7fffeac9030 Bisecting: 52 revisions left to test after this (roughly 6 steps) [deef86fa3005cbb61ae8aa5729324c09b3f4ba73] ext4: turn quotas off if mount failed after enabling quotas determine whether the revision contains the guilty commit revision 2f3918bc53fb998fdeed8683ddc61194ceb84edf crashed and is reachable testing commit deef86fa3005cbb61ae8aa5729324c09b3f4ba73 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 97f9441de8ddad9e5721668676ffffdcd21f520252a42357039646a005cbf678 all runs: crashed: UBSAN: shift-out-of-bounds in dbUpdatePMap representative crash: UBSAN: shift-out-of-bounds in dbUpdatePMap, types: [UBSAN] # git bisect good deef86fa3005cbb61ae8aa5729324c09b3f4ba73 Bisecting: 26 revisions left to test after this (roughly 5 steps) [be19cb67165143212c6e136de200d26dce5b5ee6] dm init: add dm-mod.waitfor to wait for asynchronously probed block devices determine whether the revision contains the guilty commit revision 23fbff67b06d023d179133b93a57f408b5f64985 crashed and is reachable testing commit be19cb67165143212c6e136de200d26dce5b5ee6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7c42c44cb3be3cf7dd9f2e92883f55c48f6dcadf7e7085784ec607d4f238133d all runs: OK false negative chance: 0.000 # git bisect bad be19cb67165143212c6e136de200d26dce5b5ee6 Bisecting: 12 revisions left to test after this (roughly 4 steps) [cf0d7b72707dcaa21e4c685721072d1234a87162] PCI: qcom: Disable write access to read only registers for IP v2.3.3 determine whether the revision contains the guilty commit revision 2f3918bc53fb998fdeed8683ddc61194ceb84edf crashed and is reachable testing commit cf0d7b72707dcaa21e4c685721072d1234a87162 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e9fd665c4207cb805b88c97c8cf44fc4aca4b6c8af6b7a2b10a27ecf9cf9a272 all runs: OK false negative chance: 0.000 # git bisect bad cf0d7b72707dcaa21e4c685721072d1234a87162 Bisecting: 6 revisions left to test after this (roughly 3 steps) [ef709350ef0b42995f899c8ef7bf74690dca4d76] hwrng: imx-rngc - fix the timeout for init and self check determine whether the revision contains the guilty commit revision b11a9b4f28cb6ff69ef7e69809e5f7fffeac9030 crashed and is reachable testing commit ef709350ef0b42995f899c8ef7bf74690dca4d76 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 35578cfba9b71a33832b81efb91efcb6a1c13ad2cbced0e5ed84e6969c4de150 all runs: OK false negative chance: 0.000 # git bisect bad ef709350ef0b42995f899c8ef7bf74690dca4d76 Bisecting: 2 revisions left to test after this (roughly 2 steps) [33f8dff6e1cbba5c2ec85fa5649c0a759a7e685c] soc: qcom: mdt_loader: Fix unconditional call to scm_pas_mem_setup determine whether the revision contains the guilty commit revision 2f3918bc53fb998fdeed8683ddc61194ceb84edf crashed and is reachable testing commit 33f8dff6e1cbba5c2ec85fa5649c0a759a7e685c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bf5c56c3e8fc0047dd1db6b38b733bff37c5c94974648e41f33c8036c11645a7 all runs: crashed: UBSAN: shift-out-of-bounds in dbUpdatePMap representative crash: UBSAN: shift-out-of-bounds in dbUpdatePMap, types: [UBSAN] # git bisect good 33f8dff6e1cbba5c2ec85fa5649c0a759a7e685c Bisecting: 0 revisions left to test after this (roughly 1 step) [c7feb54b113802d2aba98708769d3c33fb017254] jfs: jfs_dmap: Validate db_l2nbperpage while mounting determine whether the revision contains the guilty commit revision 33f8dff6e1cbba5c2ec85fa5649c0a759a7e685c crashed and is reachable testing commit c7feb54b113802d2aba98708769d3c33fb017254 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a19c148074aafd996f669280b955380682953de25a36c0848eb78209e11b727c all runs: OK false negative chance: 0.000 # git bisect bad c7feb54b113802d2aba98708769d3c33fb017254 Bisecting: 0 revisions left to test after this (roughly 0 steps) [9e54fd14bd143c261e52fde74355e85e9526c58c] ext2/dax: Fix ext2_setsize when len is page aligned determine whether the revision contains the guilty commit revision 23fbff67b06d023d179133b93a57f408b5f64985 crashed and is reachable testing commit 9e54fd14bd143c261e52fde74355e85e9526c58c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 50f59af29c9e3ab21186de62f523e04ef346ab0add319f66fe96bb7e4241caf1 all runs: crashed: UBSAN: shift-out-of-bounds in dbUpdatePMap representative crash: UBSAN: shift-out-of-bounds in dbUpdatePMap, types: [UBSAN] # git bisect good 9e54fd14bd143c261e52fde74355e85e9526c58c c7feb54b113802d2aba98708769d3c33fb017254 is the first bad commit commit c7feb54b113802d2aba98708769d3c33fb017254 Author: Siddh Raman Pant Date: Tue Jun 20 22:17:00 2023 +0530 jfs: jfs_dmap: Validate db_l2nbperpage while mounting commit 11509910c599cbd04585ec35a6d5e1a0053d84c1 upstream. In jfs_dmap.c at line 381, BLKTODMAP is used to get a logical block number inside dbFree(). db_l2nbperpage, which is the log2 number of blocks per page, is passed as an argument to BLKTODMAP which uses it for shifting. Syzbot reported a shift out-of-bounds crash because db_l2nbperpage is too big. This happens because the large value is set without any validation in dbMount() at line 181. Thus, make sure that db_l2nbperpage is correct while mounting. Max number of blocks per page = Page size / Min block size => log2(Max num_block per page) = log2(Page size / Min block size) = log2(Page size) - log2(Min block size) => Max db_l2nbperpage = L2PSIZE - L2MINBLOCKSIZE Reported-and-tested-by: syzbot+d2cd27dcf8e04b232eb2@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?id=2a70a453331db32ed491f5cbb07e81bf2d225715 Cc: stable@vger.kernel.org Suggested-by: Dave Kleikamp Signed-off-by: Siddh Raman Pant Signed-off-by: Dave Kleikamp Signed-off-by: Greg Kroah-Hartman fs/jfs/jfs_dmap.c | 6 ++++++ fs/jfs/jfs_filsys.h | 2 ++ 2 files changed, 8 insertions(+) accumulated error probability: 0.00 culprit signature: a19c148074aafd996f669280b955380682953de25a36c0848eb78209e11b727c parent signature: 50f59af29c9e3ab21186de62f523e04ef346ab0add319f66fe96bb7e4241caf1 revisions tested: 20, total time: 3h37m11.522817217s (build: 1h44m30.23710694s, test: 1h46m9.870465328s) first good commit: c7feb54b113802d2aba98708769d3c33fb017254 jfs: jfs_dmap: Validate db_l2nbperpage while mounting recipients (to): ["code@siddh.me" "dave.kleikamp@oracle.com" "gregkh@linuxfoundation.org" "syzbot+d2cd27dcf8e04b232eb2@syzkaller.appspotmail.com"] recipients (cc): []