ci2 starts bisection 2024-06-03 18:38:00.373816258 +0000 UTC m=+36400.009554768 bisecting fixing commit since a3eb3a74aa8c94e6c8130b55f3b031f29162868c building syzkaller on 3717835d1257784d427e13b1cea5f254d2b047c5 ensuring issue is reproducible on original commit a3eb3a74aa8c94e6c8130b55f3b031f29162868c testing commit a3eb3a74aa8c94e6c8130b55f3b031f29162868c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: aa5a76c76d56b3a647a6ef8566fc55b7b586b17c6d9a676da3202aa2daeeb256 run #0: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #1: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #2: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #3: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: INFO: rcu detected stall in corrupted run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: INFO: rcu detected stall in corrupted run #14: crashed: INFO: rcu detected stall in corrupted run #15: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #16: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #17: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #18: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #19: crashed: KASAN: wild-memory-access Read in read_block_bitmap representative crash: KASAN: wild-memory-access Read in read_block_bitmap, types: [KASAN HANG] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a3eb3a74aa8c94e6c8130b55f3b031f29162868c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 38e8da74418742e98635f4a652f5b231ad4c38b59f0fab3d9e249e8d06899795 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #7: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #8: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #9: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG KASAN] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=7493 full=9693 leaves diff=1930 split chunks (needed=false): <1930> split chunk #0 of len 1930 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit a3eb3a74aa8c94e6c8130b55f3b031f29162868c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cf0a69ef8f865590b4f324ae6946c2cad6f21a48b6e1939c3d3782235571afe6 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #6: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #7: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #8: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #9: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG KASAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a3eb3a74aa8c94e6c8130b55f3b031f29162868c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eab8124dbbcb775ad1143fa1fed53d1470faf94be7fcee5d7f7cb0ea7116d28d 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 [UBSAN BUG LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit a3eb3a74aa8c94e6c8130b55f3b031f29162868c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2ed1347fd6a55fb577d6596a2d010bd53de1b835a89b93c9e2d4fc6e961dd310 run #0: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #1: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #2: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #3: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #4: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #5: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #6: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #7: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #8: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #9: OK representative crash: KASAN: wild-memory-access Read in read_block_bitmap, types: [KASAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit a3eb3a74aa8c94e6c8130b55f3b031f29162868c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 963fb925a77c4f933de569080d1a6272ab695ae6f2ec54a15ca114f356f90316 run #0: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #1: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #2: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #3: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #4: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #5: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #6: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #7: OK run #8: OK run #9: OK representative crash: KASAN: wild-memory-access Read in read_block_bitmap, types: [KASAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [BUG LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit a3eb3a74aa8c94e6c8130b55f3b031f29162868c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 21ed0a2126defecedea99583f5d3f08bc95dfa614321f4d661f37af014403856 run #0: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #1: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #2: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #3: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #4: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #5: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #6: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #7: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #8: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #9: OK representative crash: KASAN: wild-memory-access Read in read_block_bitmap, types: [KASAN] the chunk can be dropped minimized to 386 configs; suspects: [6LOWPAN ACPI_VIDEO DLM DRM 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 LEAK UBSAN BUG LOCKDEP], they are not needed testing current HEAD 88690811da69826fdb59d908a6e5e9d0c63b581a testing commit 88690811da69826fdb59d908a6e5e9d0c63b581a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 534335464ca0969c7e012e466dd531ed3c25d13d2035bc5257a0750365a02bd0 run #0: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #1: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #2: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #3: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #4: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #5: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #6: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #7: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #8: crashed: KASAN: wild-memory-access Read in read_block_bitmap run #9: OK representative crash: KASAN: wild-memory-access Read in read_block_bitmap, types: [KASAN] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 2h15m45.759567998s (build: 49m17.929704009s, test: 1h23m52.399826405s) crash still not fixed or there were kernel test errors commit msg: Linux 6.1.92 crash: KASAN: wild-memory-access Read in read_block_bitmap ================================================================== BUG: KASAN: wild-memory-access in generic_test_bit include/asm-generic/bitops/generic-non-atomic.h:128 [inline] BUG: KASAN: wild-memory-access in test_bit_le include/asm-generic/bitops/le.h:21 [inline] BUG: KASAN: wild-memory-access in ext2_valid_block_bitmap fs/ext2/balloc.c:88 [inline] BUG: KASAN: wild-memory-access in read_block_bitmap+0x2c4/0x580 fs/ext2/balloc.c:155 Read of size 8 at addr 1fff0000deb6bff8 by task syz-executor.3/3918 CPU: 1 PID: 3918 Comm: syz-executor.3 Not tainted 6.1.92-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xc0/0x104 lib/dump_stack.c:106 print_report+0xe4/0x4c0 mm/kasan/report.c:398 kasan_report+0xcc/0x124 mm/kasan/report.c:495 __asan_report_load8_noabort+0x2c/0x38 mm/kasan/report_generic.c:351 generic_test_bit include/asm-generic/bitops/generic-non-atomic.h:128 [inline] test_bit_le include/asm-generic/bitops/le.h:21 [inline] ext2_valid_block_bitmap fs/ext2/balloc.c:88 [inline] read_block_bitmap+0x2c4/0x580 fs/ext2/balloc.c:155 ext2_free_blocks+0x274/0x98c fs/ext2/balloc.c:516 ext2_free_data fs/ext2/inode.c:1089 [inline] ext2_free_branches+0x2f4/0x3c4 fs/ext2/inode.c:1146 ext2_free_branches+0x180/0x3c4 fs/ext2/inode.c:1137 ext2_free_branches+0x180/0x3c4 fs/ext2/inode.c:1137 __ext2_truncate_blocks+0xb50/0x100c fs/ext2/inode.c:1220 ext2_setsize fs/ext2/inode.c:1278 [inline] ext2_setattr+0x8e8/0xbcc fs/ext2/inode.c:1648 notify_change+0xb50/0xe08 fs/attr.c:499 do_truncate+0x1c0/0x28c fs/open.c:65 handle_truncate fs/namei.c:3287 [inline] do_open fs/namei.c:3632 [inline] path_openat+0x1f94/0x2530 fs/namei.c:3785 do_filp_open+0x1bc/0x3cc fs/namei.c:3812 do_sys_openat2+0x128/0x3d8 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_openat fs/open.c:1350 [inline] __se_sys_openat fs/open.c:1345 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1345 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x134/0x24c arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x34/0x100 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 ================================================================== EXT2-fs (loop3): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 0 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks in system zones - Block = 3, count = 3 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 983269, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 589827, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 2185560079, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 18346, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks in system zones - Block = 2, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 33261, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: bit already cleared for block 100 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1669132791, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1669132791, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: bit already cleared for block 64 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 65536, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 268435456, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1803188595, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1701604449, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 2054779762, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1819042155, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 7565925, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1937768448, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1634433657, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1919249516, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1803188595, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1701604449, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 2054779762, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1819042155, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 2037609061, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1818323834, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 3133565699, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 327680, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 150994944, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 2683928664, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 2683928664, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 2683928664, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1669132791, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 2683928664, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 3925999616, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 3409668, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: bit already cleared for block 40 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1635017060, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1936876908, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1634433657, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1919249516, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1803188595, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1701604449, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 2054779762, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1819042155, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 2037609061, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1818323834, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1936876908, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: bit already cleared for block 9 EXT2-fs (loop3): error: ext2_free_blocks: bit already cleared for block 13 EXT2-fs (loop3): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 163928, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 2683895808, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 1669132790, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks not in datazone - block = 131072, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks in system zones - Block = 5, count = 1 EXT2-fs (loop3): error: ext2_free_blocks: Freeing blocks in system zones - Block = 5, count = 1 EXT2-fs (loop3): error: ext2_free_branches: Read failure, inode=16, block=16777216