ci2 starts bisection 2023-11-23 04:12:14.163919992 +0000 UTC m=+42.933555607 bisecting fixing commit since fa74641fb6b93a19ccb50579886ecc98320230f9 building syzkaller on 4bce1a3e705a8b62de8194bdb28f5eef89c8feec ensuring issue is reproducible on original commit fa74641fb6b93a19ccb50579886ecc98320230f9 testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1d9ccb671443c28d91926c79687cba6b982949dd935f598733b3be0fa2d68e38 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: INFO: rcu detected stall in corrupted 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: KASAN: use-after-free Read in xfs_trans_committed_bulk run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk run #14: crashed: KASAN: use-after-free Read in xfs_trans_ail_delete run #15: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk run #16: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk run #17: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk run #18: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk run #19: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk representative crash: INFO: rcu detected stall in corrupted, types: [HANG KASAN] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c354213b92c63095aa5dacb4ef24f547af355e46932e86e09dac132415de5805 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: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3820 full=7524 leaves diff=1994 split chunks (needed=false): <1994> split chunk #0 of len 1994 into 5 parts testing without sub-chunk 1/5 disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 25f2cceb6780570d49229d7c36a4984906e13a81e3a6e11832834ba5a2bf95d6 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: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: KASAN: use-after-free Read in xfs_trans_ail_delete representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [BUG LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9501cdc416e9b95f6b5c9846c3e9adc21118467ef0c49ea456a96c2b186239f7 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: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [BUG LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f00cb1f058b26605ffc02620dae042e62b43075fc69bf2f94c696239a2e5675 all runs: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk representative crash: KASAN: use-after-free Read in xfs_trans_committed_bulk, 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 fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a6e6a15128ab36e3f155ba6ed46eb7cafaeef93b34ffa9fe595f646db2d956b1 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [BUG LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit fa74641fb6b93a19ccb50579886ecc98320230f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a94edd81038889d8eb2350ebb673e1174bf92bb2cf51f3c909bcaa5b7084f455 all runs: OK false negative chance: 0.000 minimized to 797 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON FB GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER HID_ZEROPLUS I2C_MUX IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IP_SCTP IRQ_REMAP KVM KVM_INTEL L2TP LIBNVDIMM MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_COMMON_OPTIONS MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MFD_VIPERBOARD 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 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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 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_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_SI470X RADIO_SI4713 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 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USB_NET_GL620A USB_NET_HUAWEI_CDC_NCM USB_NET_INT51X1 USB_NET_KALMIA USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_QMI_WWAN USB_NET_RNDIS_HOST USB_NET_RNDIS_WLAN USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_OXU210HP_HCD USB_PEGASUS USB_PULSE8_CEC USB_PWC USB_PWC_INPUT_EVDEV USB_PXA27X USB_R8A66597 USB_R8A66597_HCD USB_RAINSHADOW_CEC USB_RAREMONO USB_RAW_GADGET USB_ROLE_SWITCH USB_RTL8150 USB_RTL8152 USB_RTL8153_ECM USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_REALTEK USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_U132_HCD USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VDPA_USER VETH VFIO VFIO_IOMMU_TYPE1 VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_VDPA VHOST_VSOCK VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_STK1160_COMMON VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS VXLAN WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_PURELIFI WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_X2APIC X86_X32_ABI XARRAY_MULTI XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XFS_SUPPORT_V4 XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZBUD ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZONE_DEVICE ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_ZPOOL_DEFAULT_ZBUD] disabling configs for [BUG LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed determining the merge base between fa74641fb6b93a19ccb50579886ecc98320230f9 and 9b6de136b5f0158c60844f85286a593cb70fb364 830b3c68c1fb1e9176028d02ef86f3cf76aa2476/Linux 6.1 is a merge base, check if it has the bug testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8615698ad8a0ea44cb144abe81b705cef644fca1d1335bf3fe3bb76a8c29db2a all runs: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk representative crash: KASAN: use-after-free Read in xfs_trans_committed_bulk, types: [KASAN] testing current HEAD 9b6de136b5f0158c60844f85286a593cb70fb364 testing commit 9b6de136b5f0158c60844f85286a593cb70fb364 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4942a499337298a7192f37195111fb45ed9503b7cab841d4931b56012b1f24dc all runs: OK false negative chance: 0.000 # git bisect start 9b6de136b5f0158c60844f85286a593cb70fb364 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 Bisecting: 47504 revisions left to test after this (roughly 16 steps) [d6f1e0bfe532b2ec725d9f768ca305af7aa1029a] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit d6f1e0bfe532b2ec725d9f768ca305af7aa1029a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c6d64995fbe5a543a4b8974d9c7880081e66d31a2caf37eebb8cecfcdbe8b88e all runs: OK false negative chance: 0.000 # git bisect bad d6f1e0bfe532b2ec725d9f768ca305af7aa1029a Bisecting: 23962 revisions left to test after this (roughly 15 steps) [307e14c039063f0c9bd7a18a7add8f940580dcc9] Merge tag '6.3-rc-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6 determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 307e14c039063f0c9bd7a18a7add8f940580dcc9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3112a77365eac327fef165e2a55693b40780ed116fc65ec0c6d937482227891e all runs: OK false negative chance: 0.000 # git bisect bad 307e14c039063f0c9bd7a18a7add8f940580dcc9 Bisecting: 11748 revisions left to test after this (roughly 14 steps) [58bcac11fd94f950abc7b8466c5ceac7be07a00e] Merge tag 'usb-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 58bcac11fd94f950abc7b8466c5ceac7be07a00e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1bbb8050aad3c6ab517816d0b2fbf1e75dc2d9270e6f29f3b77d0e5e85773d7e all runs: OK false negative chance: 0.000 # git bisect bad 58bcac11fd94f950abc7b8466c5ceac7be07a00e Bisecting: 5718 revisions left to test after this (roughly 13 steps) [a594533df0f6ca391da003f43d53b336a2d23ffa] Merge tag 'drm-next-2022-12-13' of git://anongit.freedesktop.org/drm/drm determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit a594533df0f6ca391da003f43d53b336a2d23ffa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bc8dd090a4fb1c89bcaa829e3758c3f2854aed642218f4d3a3c7d9ab82f93aae all runs: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk representative crash: KASAN: use-after-free Read in xfs_trans_committed_bulk, types: [KASAN] # git bisect good a594533df0f6ca391da003f43d53b336a2d23ffa Bisecting: 3505 revisions left to test after this (roughly 12 steps) [7c4a6309e27f411743817fe74a832ec2d2798a4b] ipvs: fix type warning in do_div() on 32 bit determine whether the revision contains the guilty commit checking the merge base 010b6761a9fc5006267d99abb6f9f196bf5d3d13 no existing result, test the revision testing commit 010b6761a9fc5006267d99abb6f9f196bf5d3d13 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4cf01329d2033f363ee20e204d470475ea78fbd303c753b610658fc8cf98ffa5 all runs: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk representative crash: KASAN: use-after-free Read in xfs_trans_committed_bulk, types: [KASAN] testing commit 7c4a6309e27f411743817fe74a832ec2d2798a4b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b1e966cd8f281dfd9d97b397f39430e438e9f8ec1a13e7185785c2b901125cd1 all runs: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk representative crash: KASAN: use-after-free Read in xfs_trans_committed_bulk, types: [KASAN] # git bisect good 7c4a6309e27f411743817fe74a832ec2d2798a4b Bisecting: 1753 revisions left to test after this (roughly 11 steps) [aa5ad10f6cca6d42f3fef6cb862e03b220ea19a6] Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi determine whether the revision contains the guilty commit revision a594533df0f6ca391da003f43d53b336a2d23ffa crashed and is reachable testing commit aa5ad10f6cca6d42f3fef6cb862e03b220ea19a6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c178ea4e0a9820ecc93d9b29829c72fcf72d36390b0dd8fd4d0831178141da4f all runs: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk representative crash: KASAN: use-after-free Read in xfs_trans_committed_bulk, types: [KASAN] # git bisect good aa5ad10f6cca6d42f3fef6cb862e03b220ea19a6 Bisecting: 862 revisions left to test after this (roughly 10 steps) [041fae9c105ae342a4245cf1e0dc56a23fbb9d3c] Merge tag 'f2fs-for-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 041fae9c105ae342a4245cf1e0dc56a23fbb9d3c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 39bbb2ec4b7079870c63d8d9fce4ed50ee4c06b33e723dd4aa2ed246ba397446 all runs: OK false negative chance: 0.000 # git bisect bad 041fae9c105ae342a4245cf1e0dc56a23fbb9d3c Bisecting: 461 revisions left to test after this (roughly 9 steps) [48ea09cddae0b794cde2070f106ef676703dbcd3] Merge tag 'hardening-v6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 48ea09cddae0b794cde2070f106ef676703dbcd3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: adfd4d23b14865b299b589d99199f49ada7357eb715a1094778df4b99624b728 all runs: OK false negative chance: 0.000 # git bisect bad 48ea09cddae0b794cde2070f106ef676703dbcd3 Bisecting: 231 revisions left to test after this (roughly 8 steps) [a0a6c76cf2a506c061072db6c187f8a641dc85de] Merge tag 'i3c/for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux determine whether the revision contains the guilty commit revision a594533df0f6ca391da003f43d53b336a2d23ffa crashed and is reachable testing commit a0a6c76cf2a506c061072db6c187f8a641dc85de gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3bd7d292681fc4d5d3834ece5c6eef7731cd090cc3ab7f4e7f5d3497d679a56d all runs: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk representative crash: KASAN: use-after-free Read in xfs_trans_committed_bulk, types: [KASAN] # git bisect good a0a6c76cf2a506c061072db6c187f8a641dc85de Bisecting: 114 revisions left to test after this (roughly 7 steps) [f826afe5eae856b3834cbc65db6178cccd4a3142] Merge branch 'pci/kbuild' determine whether the revision contains the guilty commit checking the merge base 9abf2313adc1ca1b6180c508c25f22f9395cc780 no existing result, test the revision testing commit 9abf2313adc1ca1b6180c508c25f22f9395cc780 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2ee39ea496e5f5018ffd146627a17d4181de90fabc98a0ca0d9e20a2b4810b06 all runs: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk representative crash: KASAN: use-after-free Read in xfs_trans_committed_bulk, types: [KASAN] testing commit f826afe5eae856b3834cbc65db6178cccd4a3142 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 65b8c723fcdf78b9e304cff0c37f3712dedcb9c548a178affb140703954705bb all runs: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk representative crash: KASAN: use-after-free Read in xfs_trans_committed_bulk, types: [KASAN] # git bisect good f826afe5eae856b3834cbc65db6178cccd4a3142 Bisecting: 57 revisions left to test after this (roughly 6 steps) [948961964b2404ea474a3643fc0e1b77c592bb7c] Merge tag 'maxrefcount-fixes-6.2_2022-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux into xfs-6.2-mergeD determine whether the revision contains the guilty commit revision 9abf2313adc1ca1b6180c508c25f22f9395cc780 crashed and is reachable testing commit 948961964b2404ea474a3643fc0e1b77c592bb7c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7f9c94f9fa840db49f7ff6f8f689c74f1dd3063c604e9a8400c0c8a35dcb43bb all runs: OK false negative chance: 0.000 # git bisect bad 948961964b2404ea474a3643fc0e1b77c592bb7c Bisecting: 29 revisions left to test after this (roughly 5 steps) [cc5f38fa12fc51b4a049194231252c416e66895b] Merge tag 'scrub-bmap-enhancements-6.2_2022-11-16' of git://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux into xfs-6.2-mergeA determine whether the revision contains the guilty commit revision 9abf2313adc1ca1b6180c508c25f22f9395cc780 crashed and is reachable testing commit cc5f38fa12fc51b4a049194231252c416e66895b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1fd9b4946b9ec07f748168f855847aa495226ad4bf84d67793945b9087e1b7da all runs: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk representative crash: KASAN: use-after-free Read in xfs_trans_committed_bulk, types: [KASAN] # git bisect good cc5f38fa12fc51b4a049194231252c416e66895b Bisecting: 12 revisions left to test after this (roughly 4 steps) [7dd73802f97d2a1602b1cf5c1d6623fb08cb15c5] Merge tag 'xfs-iomap-stale-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs into xfs-6.2-mergeB determine whether the revision contains the guilty commit revision cc5f38fa12fc51b4a049194231252c416e66895b crashed and is reachable testing commit 7dd73802f97d2a1602b1cf5c1d6623fb08cb15c5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3fc7427d3fe3df15ec0a8fec367b6a5c567ca5e353f04b8b513d36295bd07879 all runs: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk representative crash: KASAN: use-after-free Read in xfs_trans_committed_bulk, types: [KASAN] # git bisect good 7dd73802f97d2a1602b1cf5c1d6623fb08cb15c5 Bisecting: 6 revisions left to test after this (roughly 3 steps) [4c6dbfd2756bd83a0085ed804e2bb7be9cc16bc5] xfs: attach dquots to inode before reading data/cow fork mappings determine whether the revision contains the guilty commit revision cc5f38fa12fc51b4a049194231252c416e66895b crashed and is reachable testing commit 4c6dbfd2756bd83a0085ed804e2bb7be9cc16bc5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8b57e1a72cd5bfa32a839c08e602fc5639360d40135db4fe8fbea0573b15f681 all runs: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk representative crash: KASAN: use-after-free Read in xfs_trans_committed_bulk, types: [KASAN] # git bisect good 4c6dbfd2756bd83a0085ed804e2bb7be9cc16bc5 Bisecting: 3 revisions left to test after this (roughly 2 steps) [1eb52a6a71981b80f9acbd915acd6a05a5037196] xfs: wait iclog complete before tearing down AIL determine whether the revision contains the guilty commit revision cc5f38fa12fc51b4a049194231252c416e66895b crashed and is reachable testing commit 1eb52a6a71981b80f9acbd915acd6a05a5037196 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 31e6b39c51790c01856b6eb0e60142978fceaf530488d7e31d549ade6d90df12 all runs: OK false negative chance: 0.000 # git bisect bad 1eb52a6a71981b80f9acbd915acd6a05a5037196 Bisecting: 0 revisions left to test after this (roughly 1 step) [4b4d11bbeca4e3ebb235c8c3c875a986a8c90427] Merge tag 'random-fixes-6.2_2022-11-30' of git://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux into xfs-6.2-mergeC determine whether the revision contains the guilty commit revision 9abf2313adc1ca1b6180c508c25f22f9395cc780 crashed and is reachable testing commit 4b4d11bbeca4e3ebb235c8c3c875a986a8c90427 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 41e9dfb4644d9e9838a66f96332da89ab50b4f4e18fdc3fe0a7a5861a88235b1 all runs: crashed: KASAN: use-after-free Read in xfs_trans_committed_bulk representative crash: KASAN: use-after-free Read in xfs_trans_committed_bulk, types: [KASAN] # git bisect good 4b4d11bbeca4e3ebb235c8c3c875a986a8c90427 1eb52a6a71981b80f9acbd915acd6a05a5037196 is the first bad commit commit 1eb52a6a71981b80f9acbd915acd6a05a5037196 Author: Guo Xuenan Date: Wed Nov 30 09:25:46 2022 -0800 xfs: wait iclog complete before tearing down AIL Fix uaf in xfs_trans_ail_delete during xlog force shutdown. In commit cd6f79d1fb32 ("xfs: run callbacks before waking waiters in xlog_state_shutdown_callbacks") changed the order of running callbacks and wait for iclog completion to avoid unmount path untimely destroy AIL. But which seems not enough to ensue this, adding mdelay in `xfs_buf_item_unpin` can prove that. The reproduction is as follows. To ensure destroy AIL safely, we should wait all xlog ioend workers done and sync the AIL. ================================================================== BUG: KASAN: use-after-free in xfs_trans_ail_delete+0x240/0x2a0 Read of size 8 at addr ffff888023169400 by task kworker/1:1H/43 CPU: 1 PID: 43 Comm: kworker/1:1H Tainted: G W 6.1.0-rc1-00002-gc28266863c4a #137 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 Workqueue: xfs-log/sda xlog_ioend_work Call Trace: dump_stack_lvl+0x4d/0x66 print_report+0x171/0x4a6 kasan_report+0xb3/0x130 xfs_trans_ail_delete+0x240/0x2a0 xfs_buf_item_done+0x7b/0xa0 xfs_buf_ioend+0x1e9/0x11f0 xfs_buf_item_unpin+0x4c8/0x860 xfs_trans_committed_bulk+0x4c2/0x7c0 xlog_cil_committed+0xab6/0xfb0 xlog_cil_process_committed+0x117/0x1e0 xlog_state_shutdown_callbacks+0x208/0x440 xlog_force_shutdown+0x1b3/0x3a0 xlog_ioend_work+0xef/0x1d0 process_one_work+0x6f9/0xf70 worker_thread+0x578/0xf30 kthread+0x28c/0x330 ret_from_fork+0x1f/0x30 Allocated by task 9606: kasan_save_stack+0x1e/0x40 kasan_set_track+0x21/0x30 __kasan_kmalloc+0x7a/0x90 __kmalloc+0x59/0x140 kmem_alloc+0xb2/0x2f0 xfs_trans_ail_init+0x20/0x320 xfs_log_mount+0x37e/0x690 xfs_mountfs+0xe36/0x1b40 xfs_fs_fill_super+0xc5c/0x1a70 get_tree_bdev+0x3c5/0x6c0 vfs_get_tree+0x85/0x250 path_mount+0xec3/0x1830 do_mount+0xef/0x110 __x64_sys_mount+0x150/0x1f0 do_syscall_64+0x35/0x80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Freed by task 9662: kasan_save_stack+0x1e/0x40 kasan_set_track+0x21/0x30 kasan_save_free_info+0x2a/0x40 __kasan_slab_free+0x105/0x1a0 __kmem_cache_free+0x99/0x2d0 kvfree+0x3a/0x40 xfs_log_unmount+0x60/0xf0 xfs_unmountfs+0xf3/0x1d0 xfs_fs_put_super+0x78/0x300 generic_shutdown_super+0x151/0x400 kill_block_super+0x9a/0xe0 deactivate_locked_super+0x82/0xe0 deactivate_super+0x91/0xb0 cleanup_mnt+0x32a/0x4a0 task_work_run+0x15f/0x240 exit_to_user_mode_prepare+0x188/0x190 syscall_exit_to_user_mode+0x12/0x30 do_syscall_64+0x42/0x80 entry_SYSCALL_64_after_hwframe+0x63/0xcd The buggy address belongs to the object at ffff888023169400 which belongs to the cache kmalloc-128 of size 128 The buggy address is located 0 bytes inside of 128-byte region [ffff888023169400, ffff888023169480) The buggy address belongs to the physical page: page:ffffea00008c5a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888023168f80 pfn:0x23168 head:ffffea00008c5a00 order:1 compound_mapcount:0 compound_pincount:0 flags: 0x1fffff80010200(slab|head|node=0|zone=1|lastcpupid=0x1fffff) raw: 001fffff80010200 ffffea00006b3988 ffffea0000577a88 ffff88800f842ac0 raw: ffff888023168f80 0000000000150007 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff888023169300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888023169380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888023169400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888023169480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888023169500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== Disabling lock debugging due to kernel taint Fixes: cd6f79d1fb32 ("xfs: run callbacks before waking waiters in xlog_state_shutdown_callbacks") Signed-off-by: Guo Xuenan Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong fs/xfs/xfs_log.c | 36 +++++++++++++++++++++++++----------- 1 file changed, 25 insertions(+), 11 deletions(-) accumulated error probability: 0.00 culprit signature: 31e6b39c51790c01856b6eb0e60142978fceaf530488d7e31d549ade6d90df12 parent signature: 41e9dfb4644d9e9838a66f96332da89ab50b4f4e18fdc3fe0a7a5861a88235b1 revisions tested: 27, total time: 6h57m32.353277595s (build: 1h54m39.301111246s, test: 4h29m58.561383853s) first good commit: 1eb52a6a71981b80f9acbd915acd6a05a5037196 xfs: wait iclog complete before tearing down AIL recipients (to): ["djwong@kernel.org" "guoxuenan@huawei.com"] recipients (cc): []