ci2 starts bisection 2024-03-06 00:18:22.673893891 +0000 UTC m=+37043.751681412
bisecting fixing commit since 8a696a29c6905594e4abf78eaafcb62165ac61f1
building syzkaller on cc4a4020ecb6d62110981f597feea0c04a643efa
ensuring issue is reproducible on original commit 8a696a29c6905594e4abf78eaafcb62165ac61f1

testing commit 8a696a29c6905594e4abf78eaafcb62165ac61f1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 9b627fae3b84b75a982fa11ea415fa7d575fe22130aeac6f8cf8cd0bfcbce76f
run #0: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #1: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #2: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #3: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #4: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #5: OK
run #6: OK
run #7: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: slab-use-after-free Read in mi_enum_attr, types: [KASAN]
check whether we can drop unnecessary instrumentation
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 8a696a29c6905594e4abf78eaafcb62165ac61f1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d84aceafd39a5ed7a58c57e68f149e32b1dfe5a984a806c9f72b5b8b9b596b57
run #0: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #1: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #2: crashed: KASAN: use-after-free Read in mi_enum_attr
run #3: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #4: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #5: crashed: KASAN: use-after-free Read in mi_enum_attr
run #6: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #7: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #8: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #9: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: slab-use-after-free Read in mi_enum_attr, types: [KASAN]
the bug reproduces without the instrumentation
disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
kconfig minimization: base=3932 full=7678 leaves diff=2008
split chunks (needed=false): <2008>
split chunk #0 of len 2008 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit 8a696a29c6905594e4abf78eaafcb62165ac61f1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4887c6cff3df9ec0172afa01274e67ce741c94db4a4709d4e4a715075c7cb246
run #0: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #1: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #2: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #3: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #4: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #5: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #6: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #7: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #8: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: slab-out-of-bounds Read in mi_enum_attr, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit 8a696a29c6905594e4abf78eaafcb62165ac61f1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 057ad6c3a7501ab06aff4b3f1d85f999db956a3b9dd71d10f2157eb04c96deb6
run #0: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #1: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #2: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #3: crashed: KASAN: use-after-free Read in mi_enum_attr
run #4: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #5: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #6: crashed: KASAN: use-after-free Read in mi_enum_attr
run #7: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #8: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #9: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #10: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #11: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #12: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #13: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #14: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #15: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #16: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: slab-use-after-free Read in mi_enum_attr, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit 8a696a29c6905594e4abf78eaafcb62165ac61f1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 7cb6e307e3b2670f9bd9ebf2da4fa832fbc43623228f362bf02bf683e6ba8ebb
run #0: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #1: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #2: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #3: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #4: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #5: crashed: KASAN: use-after-free Read in mi_enum_attr
run #6: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #7: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #8: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #9: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #10: crashed: KASAN: use-after-free Read in mi_enum_attr
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: slab-out-of-bounds Read in mi_enum_attr, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed
testing commit 8a696a29c6905594e4abf78eaafcb62165ac61f1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 50dee33c1fa1b6dccdbdc7d12a0c45efeb92c896dc1e56b96ebf0f4bf294a4fb
all runs: OK
false negative chance: 0.001
testing without sub-chunk 5/5
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 8a696a29c6905594e4abf78eaafcb62165ac61f1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: cc4921f34b1dd2738a194f23875fd5e39eb44d7991a1d69997bc16684c3d9b40
run #0: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #1: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #2: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #3: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #4: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #5: crashed: KASAN: use-after-free Read in mi_enum_attr
run #6: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #7: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #8: crashed: KASAN: use-after-free Read in mi_enum_attr
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: slab-use-after-free Read in mi_enum_attr, types: [KASAN]
the chunk can be dropped
minimized to 402 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 CFG80211 CMA DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IP_SCTP L2TP LIBNVDIMM MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NF_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TABLES NF_TABLES_ARP NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NLS_UCS2_UTILS NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_DEBUG OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PAGE_IDLE_FLAG PAGE_POOL PAGE_REPORTING PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_4 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PRISM2_USB PROC_CHILDREN PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGULATOR REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SECURITY_SMACK_NETFILTER SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMC SMC_DIAG SMSC_PHY SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_COMPILE_DECOMP_SINGLE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSFB SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TMPFS_QUOTA TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_HOST USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VXLAN WIRELESS WLAN ZONE_DEVICE]
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing current HEAD 5847c9777c303a792202c609bd761dceb60f4eed
testing commit 5847c9777c303a792202c609bd761dceb60f4eed gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 2e05acf11cc48bd3ddc01ade910ef165574bd8bf0cb061ea34f6db6d978d0a88
run #0: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #1: crashed: KASAN: use-after-free Read in mi_enum_attr
run #2: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #3: crashed: KASAN: slab-out-of-bounds Read in mi_enum_attr
run #4: crashed: KASAN: slab-use-after-free Read in mi_enum_attr
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: slab-out-of-bounds Read in mi_enum_attr, types: [KASAN]
crash still not fixed/happens on the oldest tested release
reproducer is flaky (0.45 repro chance estimate)
revisions tested: 8, total time: 2h20m5.710195482s (build: 39m42.012928316s, test: 1h37m15.638907808s)
crash still not fixed or there were kernel test errors
commit msg: Merge tag 'cgroup-for-6.8-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
crash: KASAN: slab-out-of-bounds Read in mi_enum_attr
==================================================================
BUG: KASAN: slab-out-of-bounds in mi_enum_attr+0x551/0x730 fs/ntfs3/record.c:246
Read of size 4 at addr ffff888076a23345 by task syz-executor.2/7195

CPU: 1 PID: 7195 Comm: syz-executor.2 Not tainted 6.8.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xf8/0x260 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0x167/0x540 mm/kasan/report.c:488
 kasan_report+0x142/0x180 mm/kasan/report.c:601
 mi_enum_attr+0x551/0x730 fs/ntfs3/record.c:246
 mi_find_attr+0x5c/0x210 fs/ntfs3/record.c:353
 ni_find_attr+0x470/0x6a0 fs/ntfs3/frecord.c:218
 ntfs_readlink_hlp+0xa5/0xa70 fs/ntfs3/inode.c:1938
 ntfs_get_link+0x74/0xf0 fs/ntfs3/inode.c:2084
 pick_link+0x52f/0xb40
 step_into+0xb14/0xe50 fs/namei.c:1875
 open_last_lookups fs/namei.c:3592 [inline]
 path_openat+0x14c6/0x2780 fs/namei.c:3799
 do_filp_open+0x22a/0x440 fs/namei.c:3829
 do_sys_openat2+0xf6/0x180 fs/open.c:1404
 do_sys_open fs/open.c:1419 [inline]
 __do_sys_open fs/open.c:1427 [inline]
 __se_sys_open fs/open.c:1423 [inline]
 __x64_sys_open+0x1ef/0x240 fs/open.c:1423
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x94/0x170 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7ff67a67cda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff67a1de0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff67a7ac050 RCX: 00007ff67a67cda9
RDX: 0000000000000065 RSI: 0000000000000080 RDI: 0000000020000440
RBP: 00007ff67a6c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007ff67a7ac050 R15: 00007ffc65b3f248
 </TASK>

Allocated by task 7097:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
 __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slub.c:3981 [inline]
 __kmalloc+0x205/0x480 mm/slub.c:3994
 kmalloc include/linux/slab.h:594 [inline]
 kzalloc include/linux/slab.h:711 [inline]
 ntfs_create_reparse_buffer+0x2a/0x680 fs/ntfs3/inode.c:1141
 ntfs_create_inode+0x16c9/0x37d0 fs/ntfs3/inode.c:1527
 ntfs_symlink+0xc9/0x100 fs/ntfs3/namei.c:208
 vfs_symlink+0xfe/0x240 fs/namei.c:4484
 do_symlinkat+0x28e/0x380 fs/namei.c:4510
 __do_sys_symlinkat fs/namei.c:4526 [inline]
 __se_sys_symlinkat fs/namei.c:4523 [inline]
 __x64_sys_symlinkat+0x94/0xb0 fs/namei.c:4523
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x94/0x170 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6f/0x77

Freed by task 7097:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:589
 poison_slab_object+0xee/0x1a0 mm/kasan/common.c:240
 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2121 [inline]
 slab_free mm/slub.c:4299 [inline]
 kfree+0x139/0x350 mm/slub.c:4409
 ntfs_create_inode+0xbb7/0x37d0 fs/ntfs3/inode.c:1712
 ntfs_symlink+0xc9/0x100 fs/ntfs3/namei.c:208
 vfs_symlink+0xfe/0x240 fs/namei.c:4484
 do_symlinkat+0x28e/0x380 fs/namei.c:4510
 __do_sys_symlinkat fs/namei.c:4526 [inline]
 __se_sys_symlinkat fs/namei.c:4523 [inline]
 __x64_sys_symlinkat+0x94/0xb0 fs/namei.c:4523
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x94/0x170 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6f/0x77

The buggy address belongs to the object at ffff888076a22000
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 837 bytes to the right of
 allocated 4096-byte region [ffff888076a22000, ffff888076a23000)

The buggy address belongs to the physical page:
page:ffffea0001da8800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x76a20
head:ffffea0001da8800 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000840 ffff888009842140 dead000000000100 dead000000000122
raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 4264, tgid 4264 (udevd), ts 131829514710, free_ts 131787537825
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x10f/0x130 mm/page_alloc.c:1533
 prep_new_page mm/page_alloc.c:1540 [inline]
 get_page_from_freelist+0x345c/0x3600 mm/page_alloc.c:3311
 __alloc_pages+0x255/0x650 mm/page_alloc.c:4567
 __alloc_pages_node include/linux/gfp.h:238 [inline]
 alloc_pages_node include/linux/gfp.h:261 [inline]
 alloc_slab_page+0x5f/0x160 mm/slub.c:2190
 allocate_slab mm/slub.c:2354 [inline]
 new_slab+0x70/0x270 mm/slub.c:2407
 ___slab_alloc+0xa79/0x10b0 mm/slub.c:3540
 __slab_alloc mm/slub.c:3625 [inline]
 __slab_alloc_node mm/slub.c:3678 [inline]
 slab_alloc_node mm/slub.c:3850 [inline]
 __do_kmalloc_node mm/slub.c:3980 [inline]
 __kmalloc+0x2ba/0x480 mm/slub.c:3994
 kmalloc include/linux/slab.h:594 [inline]
 tomoyo_realpath_from_path+0xe3/0x4e0 security/tomoyo/realpath.c:251
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0x282/0x8a0 security/tomoyo/file.c:822
 tomoyo_path_unlink+0xcb/0x110 security/tomoyo/tomoyo.c:162
 security_path_unlink+0x8c/0x100 security/security.c:1852
 do_unlinkat+0x3b4/0x780 fs/namei.c:4399
 __do_sys_unlink fs/namei.c:4450 [inline]
 __se_sys_unlink fs/namei.c:4448 [inline]
 __x64_sys_unlink+0x44/0x50 fs/namei.c:4448
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x94/0x170 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
page last free pid 2265 tgid 2265 stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1140 [inline]
 free_unref_page_prepare+0x7e5/0x900 mm/page_alloc.c:2346
 free_unref_page+0x37/0x3a0 mm/page_alloc.c:2486
 discard_slab mm/slub.c:2453 [inline]
 __put_partials+0x18e/0x1d0 mm/slub.c:2922
 put_cpu_partial+0x150/0x1b0 mm/slub.c:2997
 __slab_free+0x2b8/0x3c0 mm/slub.c:4166
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x5e/0xc0 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:322
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slub.c:3813 [inline]
 slab_alloc_node mm/slub.c:3860 [inline]
 kmalloc_trace+0x159/0x3a0 mm/slub.c:4007
 kmalloc include/linux/slab.h:590 [inline]
 kzalloc include/linux/slab.h:711 [inline]
 kobject_uevent_env+0x2a3/0x6b0 lib/kobject_uevent.c:524
 __loop_clr_fd+0x2bd/0x5e0 drivers/block/loop.c:1163
 loop_clr_fd drivers/block/loop.c:1253 [inline]
 lo_ioctl+0x12c0/0x1af0 drivers/block/loop.c:1557
 blkdev_ioctl+0x51c/0x5b0 block/ioctl.c:634
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xab/0xf0 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x94/0x170 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6f/0x77

Memory state around the buggy address:
 ffff888076a23200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888076a23280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888076a23300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                                           ^
 ffff888076a23380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888076a23400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================