ci2 starts bisection 2025-05-31 15:11:28.453587787 +0000 UTC m=+256678.581464700 bisecting cause commit starting from 0f70f5b08a47a3bc1a252e5f451a137cde7c98ce building syzkaller on 3d2f584ddab119da50e8a8d26765aa98d3b33c02 ensuring issue is reproducible on original commit 0f70f5b08a47a3bc1a252e5f451a137cde7c98ce testing commit 0f70f5b08a47a3bc1a252e5f451a137cde7c98ce gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: df2b2193902bd26cad405b3d0bfe7059dea3daa6fe83c1fe5bf29b389a9bd37b all runs: crashed: kernel BUG in folio_unlock representative crash: kernel BUG in folio_unlock, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 0f70f5b08a47a3bc1a252e5f451a137cde7c98ce gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 2ed0fb29ed437a8162a7a5f20631b3e23146c2d9402a86ac5874f5d63194b942 all runs: crashed: kernel BUG in folio_unlock representative crash: kernel BUG in folio_unlock, types: [BUG] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=4084 full=8350 leaves diff=2131 split chunks (needed=false): <2131> split chunk #0 of len 2131 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 0f70f5b08a47a3bc1a252e5f451a137cde7c98ce gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 1d203123068852094769dfc842bd23abb8ba024ba5f09a397a50ab4632ce9497 all runs: crashed: kernel BUG in folio_unlock representative crash: kernel BUG in folio_unlock, types: [BUG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 0f70f5b08a47a3bc1a252e5f451a137cde7c98ce gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 6715f896c7eb7e9328566f746dfa97900d0dd783380a2098912807d5c2c2af65 all runs: OK false negative chance: 0.000 testing without sub-chunk 3/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 0f70f5b08a47a3bc1a252e5f451a137cde7c98ce gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 7fbe418e1be3ed9873d5ca3ef67613221d4c31106a94f539331c0950de050725 all runs: crashed: kernel BUG in folio_unlock representative crash: kernel BUG in folio_unlock, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 0f70f5b08a47a3bc1a252e5f451a137cde7c98ce gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: e8a5b87245ddb5e3d81cc2595b1bfb41d395728f95bc4a8bfd542ac6d2cc6070 all runs: crashed: kernel BUG in folio_unlock representative crash: kernel BUG in folio_unlock, types: [BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 0f70f5b08a47a3bc1a252e5f451a137cde7c98ce gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: c530a9ec7347a7f1cffe3fc7ea3c1467bc283952b405f1067de64890eb89c422 all runs: crashed: kernel BUG in folio_unlock representative crash: kernel BUG in folio_unlock, types: [BUG] the chunk can be dropped minimized to 427 configs; suspects: [6LOWPAN ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI CHARGER_BQ24190 CMA COMMON_CLK DAX DLM DRM DRM_BRIDGE DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_GEM_SHMEM_HELPER DRM_GM12U320 DRM_GUD DRM_I915 DRM_I915_CAPTURE_ERROR DRM_I915_COMPRESS_ERROR DRM_I915_USERPTR DRM_KMS_HELPER DRM_MIPI_DSI DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_EDP DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_SYSFB_HELPER DRM_TTM DRM_TTM_HELPER DRM_UDL DRM_VGEM DRM_VIRTIO_GPU DRM_VIRTIO_GPU_KMS DRM_VKMS DRM_VMWGFX DUMMY DVB_AF9013 DVB_AF9033 DVB_AS102 DVB_AS102_FE DVB_B2C2_FLEXCOP DVB_B2C2_FLEXCOP_USB DVB_CORE 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_CXUSB_ANALOG 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 ECRYPT_FS ECRYPT_FS_MESSAGING EDAC 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 EVM_EXTRA_SMACK_XATTRS EXFAT_FS EXPORTFS_BLOCK_OPS EXT3_FS EXT3_FS_POSIX_ACL EXT3_FS_SECURITY EXTCON EXTCON_INTEL_CHT_WC EXTCON_PTN5150 EXTCON_USBC_TUSB320 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 FANOTIFY FANOTIFY_ACCESS_PERMISSIONS FB FB_CFB_COPYAREA FB_CFB_FILLRECT FB_CFB_IMAGEBLIT FB_CORE FB_DEFERRED_IO FB_DEVICE FB_IOMEM_FOPS FB_IOMEM_HELPERS FB_NOTIFY FB_SYSMEM_FOPS FB_SYSMEM_HELPERS FB_SYSMEM_HELPERS_DEFERRED FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_IMAGEBLIT FB_TILEBLITTING FB_VESA FB_VGA16 FB_VIRTUAL FDDI FIREWIRE FIREWIRE_NET FIREWIRE_OHCI FIREWIRE_SBP2 FONT_8x16 FONT_8x8 FONT_SUPPORT FRAMEBUFFER_CONSOLE FRAMEBUFFER_CONSOLE_DETECT_PRIMARY FRAMEBUFFER_CONSOLE_ROTATION FS_DAX FS_DAX_PMD FS_ENCRYPTION FS_ENCRYPTION_ALGS FS_STACK FS_VERITY FS_VERITY_BUILTIN_SIGNATURES FTL FUSE_DAX FUSE_FS FUTEX_MPOL FUTEX_PRIVATE_HASH FW_LOADER_COMPRESS FW_LOADER_PAGED_BUF FW_LOADER_SYSFS FW_LOADER_USER_HELPER FW_LOADER_USER_HELPER_FALLBACK GACT_PROB GARP GENDWARFKSYMS GENERIC_PHY GET_FREE_REGION GFS2_FS GFS2_FS_LOCKING_DLM GNSS GNSS_USB GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIOLIB GPIOLIB_IRQCHIP GPIO_ACPI GPIO_DLN2 GPIO_LJCA GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GTP GUEST_PERF_EVENTS GVE HAS_LTO_CLANG HAVE_ARCH_NODE_DEV_GROUP HAVE_ARCH_USERFAULTFD_MINOR HAVE_ARCH_USERFAULTFD_WP HAVE_BOOTMEM_INFO_NODE HAVE_CLK_PREPARE HAVE_KVM_CPU_RELAX_INTERCEPT HAVE_KVM_DIRTY_RING HAVE_KVM_DIRTY_RING_ACQ_REL HAVE_KVM_DIRTY_RING_TSO HAVE_KVM_IRQCHIP HAVE_KVM_IRQ_BYPASS HAVE_KVM_IRQ_ROUTING HAVE_KVM_MSI HAVE_KVM_NO_POLL HAVE_KVM_PFNCACHE HAVE_KVM_PM_NOTIFIER HAVE_KVM_READONLY_MEM HAVE_SCHED_AVG_IRQ HDLC HDLC_CISCO HDLC_FR HDLC_PPP HDLC_RAW HDLC_RAW_ETH HDLC_X25 HDMI HFSPLUS_FS HFS_FS HID_ACCUTOUCH HID_ACRUX HID_ACRUX_FF HID_ALPS HID_APPLEIR HID_ASUS HID_AUREAL HID_BATTERY_STRENGTH HID_BETOP_FF HID_BIGBEN_FF HID_CMEDIA HID_CORSAIR HID_COUGAR HID_CP2112 HID_CREATIVE_SB0540 HID_ELAN HID_ELECOM HID_ELO HID_EMS_FF HID_EVISION HID_FT260 HID_GEMBIRD HID_GFRM HID_GLORIOUS HID_GOOGLE_STADIA_FF HID_GREENASIA HID_GT683R HID_HOLTEK HID_ICADE HID_JABRA HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LETSKETCH HID_LOGITECH HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MACALLY HID_MAGICMOUSE HID_MALTRON HID_MAYFLASH HID_MCP2200 HID_MCP2221 HID_MEGAWORLD_FF HID_MULTITOUCH HID_NTI HID_ORTEK HID_PENMOUNT HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB HID_PICOLCD_LCD HID_PICOLCD_LEDS HID_PLANTRONICS HID_PRIMAX HID_PRODIKEYS HID_PXRC HID_RAZER HID_RETRODE HID_RMI HID_ROCCAT HID_SAITEK HID_SEMITEK HID_SENSOR_ACCEL_3D HID_SENSOR_ALS HID_SENSOR_CUSTOM_INTEL_HINGE 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_SIGMAMICRO HID_SPEEDLINK HID_STEELSERIES HID_THINGM HID_TIVO HID_TOPRE HID_TWINHAN HID_U2FZERO HID_UCLOGIC HID_UDRAW_PS3 HID_VIEWSONIC HID_VIVALDI HID_VIVALDI_COMMON HID_VRC2 HID_WACOM HID_WALTOP HID_WIIMOTE HID_XIAOMI HID_XINMO HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPET_MMAP HPET_MMAP_DEFAULT HPFS_FS I2C_ALGOBIT I2C_CHARDEV I2C_CP2615 I2C_DESIGNWARE_CORE I2C_DESIGNWARE_PLATFORM I2C_DIOLAN_U2C I2C_DLN2 I2C_HID_ACPI I2C_HID_CORE I2C_HID_OF I2C_LJCA I2C_MUX I2C_MUX_REG I2C_ROBOTFUZZ_OSIF I2C_SI4713 I2C_SLAVE I2C_SLAVE_EEPROM I2C_TINY_USB I2C_VIPERBOARD IEEE802154 IEEE802154_6LOWPAN IEEE802154_ATUSB IEEE802154_DRIVERS IEEE802154_HWSIM IEEE802154_NL802154_EXPERIMENTAL IEEE802154_SOCKET IFB IIO IIO_BUFFER IIO_KFIFO_BUF IIO_TRIGGER IIO_TRIGGERED_BUFFER IKCONFIG IKCONFIG_PROC 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_ESPINTCP INET6_ESP_OFFLOAD INET6_IPCOMP INET6_TUNNEL INET6_XFRM_TUNNEL INET_AH INET_DIAG INET_DIAG_DESTROY INET_ESP INET_ESPINTCP INET_ESP_OFFLOAD INET_IPCOMP INET_MPTCP_DIAG INET_RAW_DIAG INET_SCTP_DIAG INET_TCP_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_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 INTEL_CHTWC_INT33FE INTEL_IDMA64 INTEL_IOATDMA INTEL_IOMMU_DEFAULT_ON INTEL_IOMMU_SVM INTEL_ISHTP_ECLITE INTEL_ISH_FIRMWARE_DOWNLOADER INTEL_ISH_HID INTEL_SOC_PMIC_CHTWC INTERVAL_TREE_SPAN_ITER IOMMUFD IOMMUFD_DRIVER IOMMUFD_DRIVER_CORE IOMMUFD_TEST IO_URING_ZCRX IP6_NF_MATCH_AH IP6_NF_MATCH_EUI64 IP6_NF_MATCH_FRAG IP6_NF_MATCH_HL IP6_NF_MATCH_MH IP6_NF_MATCH_OPTS IP6_NF_MATCH_RPFILTER IP6_NF_MATCH_RT IP6_NF_MATCH_SRH IP6_NF_NAT IP6_NF_RAW IP6_NF_SECURITY IP6_NF_TARGET_HL IP6_NF_TARGET_MASQUERADE 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_FIB_TRIE_STATS 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_ECN IP_NF_TARGET_NETMAP IP_NF_TARGET_REDIRECT IP_NF_TARGET_SYNPROXY IP_NF_TARGET_TTL IP_ROUTE_CLASSID 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 IRQ_TIME_ACCOUNTING LAPB LCD_CLASS_DEVICE LEDS_CLASS_MULTICOLOR MAC802154 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_VIPERBOARD MODVERSIONS MPTCP MTD NETFILTER_ADVANCED NET_ACT_GACT NET_ACT_MIRRED NET_IPGRE_DEMUX NFT_COMPAT NFT_COMPAT_ARP NFT_FWD_NETDEV NF_TABLES NF_TABLES_ARP NF_TABLES_NETDEV PAGE_POOL RADIO_ADAPTERS RADIO_SI4713 RAS RC_CORE REGULATOR RFKILL SND SOUND STAGING TRANSPARENT_HUGEPAGE TYPEC TYPEC_MUX_PI3USB30532 USB_LJCA USB_ROLES_INTEL_XHCI USB_ROLE_SWITCH VIDEO_DEV VIRTIO_FS WAN ZONE_DEVICE] disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed picked [v6.15 v6.14 v6.13 v6.11 v6.9 v6.7 v6.5 v6.3 v6.0 v5.17 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 38 release tags testing release v6.15 testing commit 0ff41df1cb268fc69e703a08a57ee14ae967d0ca gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 34f2c18d5f66a6bc3a28b5e62d9eba684cdacd89a0e5237c835e40b32ea655d4 all runs: OK false negative chance: 0.000 # git bisect start 0f70f5b08a47a3bc1a252e5f451a137cde7c98ce 0ff41df1cb268fc69e703a08a57ee14ae967d0ca Bisecting: 5200 revisions left to test after this (roughly 12 steps) [a61e26038143727d9b0f1bc01b0370f77f2ad7e4] Merge tag 'media/v6.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media testing commit a61e26038143727d9b0f1bc01b0370f77f2ad7e4 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 27a5da17bf575214c3a75603f9d96319a24533f9ff060bc19eefdbec9da70f2f all runs: OK false negative chance: 0.000 # git bisect good a61e26038143727d9b0f1bc01b0370f77f2ad7e4 Bisecting: 3306 revisions left to test after this (roughly 11 steps) [47cf96fbe393839b125a9b694a8cfdd3f4216baa] Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux testing commit 47cf96fbe393839b125a9b694a8cfdd3f4216baa gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: bc34d0fb9e29276c9c62631815af3b2a615863c222a7c1df71f042c90fb36646 all runs: OK false negative chance: 0.000 # git bisect good 47cf96fbe393839b125a9b694a8cfdd3f4216baa Bisecting: 1656 revisions left to test after this (roughly 11 steps) [fdb061195f53e5b6d12595fc32a1a9c1130f0c23] Merge tag 'ipsec-next-2025-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next testing commit fdb061195f53e5b6d12595fc32a1a9c1130f0c23 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: f801b334d526353edee588108f043ae251ebd5298c7fe7107822cf47ec0aa54b all runs: OK false negative chance: 0.000 # git bisect good fdb061195f53e5b6d12595fc32a1a9c1130f0c23 Bisecting: 822 revisions left to test after this (roughly 10 steps) [b78f1293f90642ff9809935aa9df7b964e0f17ba] Merge tag 'trace-v6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace testing commit b78f1293f90642ff9809935aa9df7b964e0f17ba gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 51be28cbd9f9a65405bc1672367c19ba79a3098e6fc858bd32c79a2d4a5eb2a9 all runs: OK false negative chance: 0.000 # git bisect good b78f1293f90642ff9809935aa9df7b964e0f17ba Bisecting: 362 revisions left to test after this (roughly 9 steps) [9f32a03e3e0d372c520d829dd4da6022fe88832a] Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux testing commit 9f32a03e3e0d372c520d829dd4da6022fe88832a gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: a49af18ab71da52064d73539058a3df99b0bf7e739cb54ab18f30556782a362f all runs: crashed: kernel BUG in folio_unlock representative crash: kernel BUG in folio_unlock, types: [BUG] # git bisect bad 9f32a03e3e0d372c520d829dd4da6022fe88832a Bisecting: 264 revisions left to test after this (roughly 8 steps) [9883494c45a13dc88d27dde4f988c04823b42a2f] f2fs: fix to correct check conditions in f2fs_cross_rename testing commit 9883494c45a13dc88d27dde4f988c04823b42a2f gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 60197dcb1e581c7fdefaf8e9493934123963456b8972b4cbbcc3cdc4b54caa0c all runs: crashed: kernel BUG in folio_unlock representative crash: kernel BUG in folio_unlock, types: [BUG] # git bisect bad 9883494c45a13dc88d27dde4f988c04823b42a2f Bisecting: 97 revisions left to test after this (roughly 7 steps) [c68b0bcb29d6f5b3e2bc5ac2c873051c6ef4b4a4] f2fs: Use a folio in prepare_write_begin testing commit c68b0bcb29d6f5b3e2bc5ac2c873051c6ef4b4a4 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: df51672d39cf7a3e886e21d1accc9d28c73733860264e75e015220d6a849af80 all runs: OK false negative chance: 0.000 # git bisect good c68b0bcb29d6f5b3e2bc5ac2c873051c6ef4b4a4 Bisecting: 48 revisions left to test after this (roughly 6 steps) [1d6bf61778a5c79fac0ee3b2c1364c4e2a4e5996] f2fs: Convert f2fs_put_page_dic() to f2fs_put_folio_dic() testing commit 1d6bf61778a5c79fac0ee3b2c1364c4e2a4e5996 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: f8bea9f8d92e2a975fc1d41fc2b8db13adb3c498dfa0dbcdff61eef54cc6431c all runs: OK false negative chance: 0.000 # git bisect good 1d6bf61778a5c79fac0ee3b2c1364c4e2a4e5996 Bisecting: 24 revisions left to test after this (roughly 5 steps) [3fea0641b06ff4e53d95d07a96764d8951d4ced6] f2fs: sysfs: add encoding_flags entry testing commit 3fea0641b06ff4e53d95d07a96764d8951d4ced6 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 83b9c1e7fd00ab31974b29e6f31ea234de22c8e09166dfdaea1b5f0dfb1b2dd2 all runs: OK false negative chance: 0.000 # git bisect good 3fea0641b06ff4e53d95d07a96764d8951d4ced6 Bisecting: 12 revisions left to test after this (roughly 4 steps) [a9201960623287927bf5776de3f70fb2fbde7e02] f2fs: don't over-report free space or inodes in statvfs testing commit a9201960623287927bf5776de3f70fb2fbde7e02 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: d7d25180dc8c98ff02bf8364bc9b96e03035cce1859bf9058f0c2450e0b69ade all runs: crashed: kernel BUG in folio_unlock representative crash: kernel BUG in folio_unlock, types: [BUG] # git bisect bad a9201960623287927bf5776de3f70fb2fbde7e02 Bisecting: 5 revisions left to test after this (roughly 3 steps) [43ba56a043b14426ca9ecac875ab357e32cb595e] f2fs: fix to return correct error number in f2fs_sync_node_pages() testing commit 43ba56a043b14426ca9ecac875ab357e32cb595e gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: a58e71c539580cd32e647ced7aa3278270182163f22e7c58f615981d03a02b4b all runs: OK false negative chance: 0.000 # git bisect good 43ba56a043b14426ca9ecac875ab357e32cb595e Bisecting: 2 revisions left to test after this (roughly 2 steps) [84c5d16711a300949cfec83e76299a75b4cdf04a] f2fs: always unlock the page in f2fs_write_single_data_page testing commit 84c5d16711a300949cfec83e76299a75b4cdf04a gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: b3244753eb4206430f0907cf3c670cd1cd7c0f29e561c9b53910c5a8485f96ee all runs: OK false negative chance: 0.000 # git bisect good 84c5d16711a300949cfec83e76299a75b4cdf04a Bisecting: 0 revisions left to test after this (roughly 1 step) [80f31d2a7e5f4efa7150c951268236c670bcb068] f2fs: return bool from __write_node_folio testing commit 80f31d2a7e5f4efa7150c951268236c670bcb068 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: f2e84ec75f67c97105ee5cbbe1b5c294e55438f1d8b3ae2328bf6d5661ecf960 all runs: crashed: kernel BUG in folio_unlock representative crash: kernel BUG in folio_unlock, types: [BUG] # git bisect bad 80f31d2a7e5f4efa7150c951268236c670bcb068 Bisecting: 0 revisions left to test after this (roughly 0 steps) [0638f28b30621012ee4dac014b58c5a9588e65b1] f2fs: simplify return value handling in f2fs_fsync_node_pages testing commit 0638f28b30621012ee4dac014b58c5a9588e65b1 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: edab47873251126652b6d60769ce5b272f918f290e863e00eb200265f2505e4d all runs: OK false negative chance: 0.000 # git bisect good 0638f28b30621012ee4dac014b58c5a9588e65b1 80f31d2a7e5f4efa7150c951268236c670bcb068 is the first bad commit commit 80f31d2a7e5f4efa7150c951268236c670bcb068 Author: Christoph Hellwig Date: Thu May 8 07:14:32 2025 +0200 f2fs: return bool from __write_node_folio __write_node_folio can only return 0 or AOP_WRITEPAGE_ACTIVATE. As part of phasing out AOP_WRITEPAGE_ACTIVATE, switch to a bool return instead. Signed-off-by: Christoph Hellwig Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim fs/f2fs/node.c | 29 +++++++++++++---------------- 1 file changed, 13 insertions(+), 16 deletions(-) accumulated error probability: 0.00 culprit signature: f2e84ec75f67c97105ee5cbbe1b5c294e55438f1d8b3ae2328bf6d5661ecf960 parent signature: edab47873251126652b6d60769ce5b272f918f290e863e00eb200265f2505e4d revisions tested: 22, total time: 8h8m1.357687406s (build: 4h17m30.297554034s, test: 3h27m56.404541762s) first bad commit: 80f31d2a7e5f4efa7150c951268236c670bcb068 f2fs: return bool from __write_node_folio recipients (to): ["chao@kernel.org" "hch@lst.de" "jaegeuk@kernel.org"] recipients (cc): [] crash: kernel BUG in folio_unlock handle_softirqs+0x11b/0x3a0 kernel/softirq.c:579 run_ksoftirqd+0x28/0x40 kernel/softirq.c:968 smpboot_thread_fn+0x189/0x2b0 kernel/smpboot.c:164 kthread+0x23c/0x270 kernel/kthread.c:464 ret_from_fork+0x32/0x40 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ------------[ cut here ]------------ kernel BUG at mm/filemap.c:1498! Oops: invalid opcode: 0000 [#1] SMP PTI CPU: 0 UID: 0 PID: 421 Comm: kworker/u8:5 Not tainted 6.15.0-rc1-syzkaller #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: writeback wb_workfn (flush-7:3) RIP: 0010:folio_unlock+0x3d/0x40 mm/filemap.c:1498 Code: 37 01 79 04 31 f6 eb 35 c3 cc cc cc cc cc 48 c7 c6 d5 98 1f 83 e8 c3 e6 04 00 90 0f 0b 48 c7 c6 44 86 19 83 e8 b4 e6 04 00 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 RSP: 0018:ffffc900014437f0 EFLAGS: 00010246 RAX: 3ed73c9a2191c300 RBX: ffff88810a7f2000 RCX: 3ed73c9a2191c300 RDX: 0000000000000002 RSI: ffffffff832ec8b4 RDI: ffff888107ea3700 RBP: 0000000000000002 R08: 0000000000001fff R09: ffffffff836fd0f0 R10: 0000000000005ffd R11: 00000000ffffdfff R12: 0000000000000000 R13: ffffea00043ec4c0 R14: fffa80010fb13000 R15: ffffc90001443b20 FS: 0000000000000000(0000) GS:ffff8882b368f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555698f74a8 CR3: 00000000036ac000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: f2fs_sync_node_pages+0x565/0x630 fs/f2fs/node.c:2081 f2fs_write_node_pages+0x110/0x1c0 fs/f2fs/node.c:2183 do_writepages+0xf3/0x340 mm/page-writeback.c:2656 __writeback_single_inode+0x6b/0x540 fs/fs-writeback.c:1680 writeback_sb_inodes+0x29b/0x550 fs/fs-writeback.c:1976 wb_writeback+0x195/0x450 fs/fs-writeback.c:2156 wb_do_writeback fs/fs-writeback.c:2303 [inline] wb_workfn+0x1ad/0x560 fs/fs-writeback.c:2343 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0x311/0x6b0 kernel/workqueue.c:3319 worker_thread+0x1df/0x2f0 kernel/workqueue.c:3400 kthread+0x23c/0x270 kernel/kthread.c:464 ret_from_fork+0x32/0x40 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_unlock+0x3d/0x40 mm/filemap.c:1498 Code: 37 01 79 04 31 f6 eb 35 c3 cc cc cc cc cc 48 c7 c6 d5 98 1f 83 e8 c3 e6 04 00 90 0f 0b 48 c7 c6 44 86 19 83 e8 b4 e6 04 00 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 RSP: 0018:ffffc900014437f0 EFLAGS: 00010246 RAX: 3ed73c9a2191c300 RBX: ffff88810a7f2000 RCX: 3ed73c9a2191c300 RDX: 0000000000000002 RSI: ffffffff832ec8b4 RDI: ffff888107ea3700 RBP: 0000000000000002 R08: 0000000000001fff R09: ffffffff836fd0f0 R10: 0000000000005ffd R11: 00000000ffffdfff R12: 0000000000000000 R13: ffffea00043ec4c0 R14: fffa80010fb13000 R15: ffffc90001443b20 FS: 0000000000000000(0000) GS:ffff8882b368f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555698f74a8 CR3: 00000000036ac000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400