ci2 starts bisection 2024-03-08 11:12:09.705472876 +0000 UTC m=+31332.308991508 bisecting fixing commit since 3b517966c5616ac011081153482a5ba0e91b17ff building syzkaller on 8e26a358122e06b336ae4824141abc32e31e3d7a ensuring issue is reproducible on original commit 3b517966c5616ac011081153482a5ba0e91b17ff testing commit 3b517966c5616ac011081153482a5ba0e91b17ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8772376632ed04db413726104404fa27428609d0faa334a4f052a52f5a2bd00b all runs: crashed: general protection fault in direct2indirect representative crash: general protection fault in direct2indirect, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 3b517966c5616ac011081153482a5ba0e91b17ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 293ebfa58622745bcb4f1bed660f771bf2af2c9c60548a68b960316b31b0b293 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in direct2indirect representative crash: BUG: unable to handle kernel NULL pointer dereference in direct2indirect, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed kconfig minimization: base=3932 full=7686 leaves diff=2010 split chunks (needed=false): <2010> split chunk #0 of len 2010 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 3b517966c5616ac011081153482a5ba0e91b17ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9ad6358cf9b93781795ca52e2173fee08b4294e3728cdfb030fe514e7a09ca2b all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in direct2indirect representative crash: BUG: unable to handle kernel NULL pointer dereference in direct2indirect, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 3b517966c5616ac011081153482a5ba0e91b17ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 568573a22e6c265f0f061e9b428b7f8809ecd3dba0af1c74c7e4672ccc2b039c all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in direct2indirect representative crash: BUG: unable to handle kernel NULL pointer dereference in direct2indirect, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 3b517966c5616ac011081153482a5ba0e91b17ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 73cfbdb3e7ea84c6656346bb94ecf7e8983edf387329901d2edb2fbd80e1cee3 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in direct2indirect representative crash: BUG: unable to handle kernel NULL pointer dereference in direct2indirect, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 3b517966c5616ac011081153482a5ba0e91b17ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f60f08fcbe33b37ac5a03846b0db05d1d30869ee4778f858f204c3d9ca7b5763 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 3b517966c5616ac011081153482a5ba0e91b17ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 002785793c7a23df44d0c6c920070e34305103a91ea0bafd1036ffd7887f31bb all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in direct2indirect representative crash: BUG: unable to handle kernel NULL pointer dereference in direct2indirect, types: [UNKNOWN] 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_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_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 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_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS 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 [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing current HEAD 3aaa8ce7a3350d95b241046ae2401103a4384ba2 testing commit 3aaa8ce7a3350d95b241046ae2401103a4384ba2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5608936a2d9d1524128b2c03cd3a05941da406e6f02f63886da650e59ba00b08 all runs: OK false negative chance: 0.000 # git bisect start 3aaa8ce7a3350d95b241046ae2401103a4384ba2 3b517966c5616ac011081153482a5ba0e91b17ff Bisecting: 17609 revisions left to test after this (roughly 14 steps) [3bf3e21c15d4386a5f15118ec39bbc1b67ea5759] Merge drm/drm-next into drm-misc-next determine whether the revision contains the guilty commit revision 3b517966c5616ac011081153482a5ba0e91b17ff crashed and is reachable testing commit 3bf3e21c15d4386a5f15118ec39bbc1b67ea5759 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c02b567e7f499e341c6f7ab7ff212d667829e8a3f5d5f5d6392873d1b676add1 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in direct2indirect representative crash: BUG: unable to handle kernel NULL pointer dereference in direct2indirect, types: [UNKNOWN] # git bisect good 3bf3e21c15d4386a5f15118ec39bbc1b67ea5759 Bisecting: 9142 revisions left to test after this (roughly 13 steps) [ba5afb9a84df2e6b26a1b6389b98849cd16ea757] fs: rework listmount() implementation determine whether the revision contains the guilty commit revision 3b517966c5616ac011081153482a5ba0e91b17ff crashed and is reachable testing commit ba5afb9a84df2e6b26a1b6389b98849cd16ea757 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b080f4ed956717ed0cf29988f2a0b95096dc15a22f9c12e17f87216113de20e9 all runs: OK false negative chance: 0.000 # git bisect bad ba5afb9a84df2e6b26a1b6389b98849cd16ea757 Bisecting: 4230 revisions left to test after this (roughly 12 steps) [d8c8e595dc31fb639bc4f8a202901afaa15bb13f] Merge tag 'dlm-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm determine whether the revision contains the guilty commit revision 3b517966c5616ac011081153482a5ba0e91b17ff crashed and is reachable testing commit d8c8e595dc31fb639bc4f8a202901afaa15bb13f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e075b0c0af144e7e65f1284db01657b8d2597b7bebe305e869583915a3686242 all runs: OK false negative chance: 0.000 # git bisect bad d8c8e595dc31fb639bc4f8a202901afaa15bb13f Bisecting: 2093 revisions left to test after this (roughly 11 steps) [1f874787ed9a2d78ed59cb21d0d90ac0178eceb0] Merge tag 'net-6.7-rc9' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net determine whether the revision contains the guilty commit revision 3b517966c5616ac011081153482a5ba0e91b17ff crashed and is reachable testing commit 1f874787ed9a2d78ed59cb21d0d90ac0178eceb0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 67a242c4656fb4dbc7b05f118f2ee729842430b3f4a90ec1dfb33a191ada5196 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in direct2indirect representative crash: BUG: unable to handle kernel NULL pointer dereference in direct2indirect, types: [UNKNOWN] # git bisect good 1f874787ed9a2d78ed59cb21d0d90ac0178eceb0 Bisecting: 1073 revisions left to test after this (roughly 10 steps) [fb46e22a9e3863e08aef8815df9f17d0f4b9aede] Merge tag 'mm-stable-2024-01-08-15-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm determine whether the revision contains the guilty commit revision 1f874787ed9a2d78ed59cb21d0d90ac0178eceb0 crashed and is reachable testing commit fb46e22a9e3863e08aef8815df9f17d0f4b9aede gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f8ea2fe4d318ee851adcd0dfa9d27d0e7715d5b2d7ed9fe8f0d0202dcef1022 all runs: OK false negative chance: 0.000 # git bisect bad fb46e22a9e3863e08aef8815df9f17d0f4b9aede Bisecting: 508 revisions left to test after this (roughly 9 steps) [6cbf5b3105f31217053570e7ca722b739a9242a4] Merge tag 'locking-core-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision 1f874787ed9a2d78ed59cb21d0d90ac0178eceb0 crashed and is reachable testing commit 6cbf5b3105f31217053570e7ca722b739a9242a4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: da0a095cf753e1c33a9a1aa41214b1490624ad64a870a5f5acf5a13ec12476c6 all runs: OK false negative chance: 0.000 # git bisect bad 6cbf5b3105f31217053570e7ca722b739a9242a4 Bisecting: 256 revisions left to test after this (roughly 8 steps) [bef91c28f28fe8a36b91e9a39f60054ae1874280] Merge tag 'x86_cpu_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision 3b517966c5616ac011081153482a5ba0e91b17ff crashed and is reachable testing commit bef91c28f28fe8a36b91e9a39f60054ae1874280 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 823288f5f31d5215227e8e494051c45abb26dafc3bff36819f94205067d448b3 all runs: OK false negative chance: 0.000 # git bisect bad bef91c28f28fe8a36b91e9a39f60054ae1874280 Bisecting: 127 revisions left to test after this (roughly 7 steps) [3f6984e7301f4a37285cc5962f97c83c7c3b8239] Merge tag 'vfs-6.8.super' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision 1f874787ed9a2d78ed59cb21d0d90ac0178eceb0 crashed and is reachable testing commit 3f6984e7301f4a37285cc5962f97c83c7c3b8239 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bbda11bbff250f566120b75be1940288fedee68f696b5dae63b7fff2e25c86a5 all runs: OK false negative chance: 0.000 # git bisect bad 3f6984e7301f4a37285cc5962f97c83c7c3b8239 Bisecting: 65 revisions left to test after this (roughly 6 steps) [1ab33c03145d0f6c345823fc2da935d9a1a9e9fc] asm-generic: make sparse happy with odd-sized put_unaligned_*() determine whether the revision contains the guilty commit revision 1f874787ed9a2d78ed59cb21d0d90ac0178eceb0 crashed and is reachable testing commit 1ab33c03145d0f6c345823fc2da935d9a1a9e9fc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5f0209ac84b595b10e215a3ab3d40ab9088451ca1787d66c26c5ebd4a5c5caf4 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in direct2indirect representative crash: BUG: unable to handle kernel NULL pointer dereference in direct2indirect, types: [UNKNOWN] # git bisect good 1ab33c03145d0f6c345823fc2da935d9a1a9e9fc Bisecting: 29 revisions left to test after this (roughly 5 steps) [2137e1564267001b25143d21bc619189c1f74bc6] Merge branch 'vfs.file' determine whether the revision contains the guilty commit revision 3b517966c5616ac011081153482a5ba0e91b17ff crashed and is reachable testing commit 2137e1564267001b25143d21bc619189c1f74bc6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9d48a623896d7e0ecf997c9ad2837198e6b61f9d5f03be31b0d08cdd9f51a42b all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in direct2indirect representative crash: BUG: unable to handle kernel NULL pointer dereference in direct2indirect, types: [UNKNOWN] # git bisect good 2137e1564267001b25143d21bc619189c1f74bc6 Bisecting: 14 revisions left to test after this (roughly 4 steps) [5a8e94c0158f43341334e69a74b6dfa317ba3d2e] nilfs2: simplify device handling determine whether the revision contains the guilty commit revision 3b517966c5616ac011081153482a5ba0e91b17ff crashed and is reachable testing commit 5a8e94c0158f43341334e69a74b6dfa317ba3d2e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 00f4e92aa1bcd881600461400eea1df084c82b0c9797f8da1a2e308a68d90289 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in direct2indirect representative crash: BUG: unable to handle kernel NULL pointer dereference in direct2indirect, types: [UNKNOWN] # git bisect good 5a8e94c0158f43341334e69a74b6dfa317ba3d2e Bisecting: 7 revisions left to test after this (roughly 3 steps) [6f861765464f43a71462d52026fbddfc858239a5] fs: Block writes to mounted block devices determine whether the revision contains the guilty commit revision 5a8e94c0158f43341334e69a74b6dfa317ba3d2e crashed and is reachable testing commit 6f861765464f43a71462d52026fbddfc858239a5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c8b3688cba661d7681647a082adcaccc745f69828266455d0e1e9fc5ef57ea65 all runs: OK false negative chance: 0.000 # git bisect bad 6f861765464f43a71462d52026fbddfc858239a5 Bisecting: 3 revisions left to test after this (roughly 2 steps) [1bfdc94b28cf1c89b5b3fb062b1defe51fdba163] bcachefs: Convert to bdev_open_by_path() determine whether the revision contains the guilty commit revision 3b517966c5616ac011081153482a5ba0e91b17ff crashed and is reachable testing commit 1bfdc94b28cf1c89b5b3fb062b1defe51fdba163 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 69cb2bc011adec589eacc6063d60f4ab0d1211ddf2bf3f438289be9141fd163d all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in direct2indirect representative crash: BUG: unable to handle kernel NULL pointer dereference in direct2indirect, types: [UNKNOWN] # git bisect good 1bfdc94b28cf1c89b5b3fb062b1defe51fdba163 Bisecting: 1 revision left to test after this (roughly 1 step) [ed5cc702d311c14b653323d76062b0294effa66e] block: Add config option to not allow writing to mounted devices determine whether the revision contains the guilty commit revision 3b517966c5616ac011081153482a5ba0e91b17ff crashed and is reachable testing commit ed5cc702d311c14b653323d76062b0294effa66e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 372d870ac784d620061b5bdf45c209320f9ab66ee19a6112547dd1146f0adcc3 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in direct2indirect representative crash: BUG: unable to handle kernel NULL pointer dereference in direct2indirect, types: [UNKNOWN] # git bisect good ed5cc702d311c14b653323d76062b0294effa66e Bisecting: 0 revisions left to test after this (roughly 0 steps) [ead622674df5a3ae575b964090bee65f6b7f805f] btrfs: Do not restrict writes to btrfs devices determine whether the revision contains the guilty commit revision 1bfdc94b28cf1c89b5b3fb062b1defe51fdba163 crashed and is reachable testing commit ead622674df5a3ae575b964090bee65f6b7f805f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 62b661ec5e87167d35e1b2e2b20ad479b837fbdb3f9d39f464202872ce321822 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in direct2indirect representative crash: BUG: unable to handle kernel NULL pointer dereference in direct2indirect, types: [UNKNOWN] # git bisect good ead622674df5a3ae575b964090bee65f6b7f805f 6f861765464f43a71462d52026fbddfc858239a5 is the first bad commit commit 6f861765464f43a71462d52026fbddfc858239a5 Author: Jan Kara Date: Wed Nov 1 18:43:10 2023 +0100 fs: Block writes to mounted block devices Ask block layer to block writes to block devices mounted by filesystems. Signed-off-by: Jan Kara Link: https://lore.kernel.org/r/20231101174325.10596-5-jack@suse.cz Reviewed-by: Christian Brauner Reviewed-by: Jens Axboe Signed-off-by: Christian Brauner include/linux/blkdev.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) accumulated error probability: 0.00 culprit signature: c8b3688cba661d7681647a082adcaccc745f69828266455d0e1e9fc5ef57ea65 parent signature: 62b661ec5e87167d35e1b2e2b20ad479b837fbdb3f9d39f464202872ce321822 revisions tested: 23, total time: 3h59m11.432336534s (build: 1h32m39.032928651s, test: 2h16m23.504542824s) first good commit: 6f861765464f43a71462d52026fbddfc858239a5 fs: Block writes to mounted block devices recipients (to): ["axboe@kernel.dk" "brauner@kernel.org" "jack@suse.cz"] recipients (cc): []