ci starts bisection 2023-12-14 11:03:42.429112127 +0000 UTC m=+53751.778798702 bisecting cause commit starting from b85ea95d086471afb4ad062012a4d73cd328fa86 building syzkaller on cb976f63e0177b96eb9ce1c631cc5e2c4b4b0759 ensuring issue is reproducible on original commit b85ea95d086471afb4ad062012a4d73cd328fa86 testing commit b85ea95d086471afb4ad062012a4d73cd328fa86 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 03624756fb3e91485e7d9517c243254e11191166fe848bc58f2ea64961c2998c all runs: crashed: INFO: task hung in genl_rcv_msg representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit b85ea95d086471afb4ad062012a4d73cd328fa86 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ddab3596b28b156d52f6517d90ba29d0f7288f7a15172ac730e1f0b710121639 all runs: OK false negative chance: 0.000 kconfig minimization: base=3923 full=7657 leaves diff=2010 split chunks (needed=false): <2010> split chunk #0 of len 2010 into 5 parts testing without sub-chunk 1/5 testing commit b85ea95d086471afb4ad062012a4d73cd328fa86 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 78ec6f0d0658cad491edae4b9a67217ef66654a0d7f6676fb85a6114776588f6 run #0: crashed: INFO: task hung in genl_rcv_msg run #1: crashed: INFO: task hung in genl_rcv_msg run #2: crashed: INFO: task hung in genl_rcv_msg run #3: crashed: INFO: task hung in genl_rcv_msg run #4: crashed: INFO: task hung in genl_rcv_msg run #5: crashed: INFO: task hung in genl_rcv_msg run #6: crashed: INFO: task hung in genl_rcv_msg run #7: OK run #8: OK run #9: OK representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 testing commit b85ea95d086471afb4ad062012a4d73cd328fa86 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b5be77220a68a10f77954f299ca3a4a8d2df2d09a0e88571cba6f9cc9af4904c all runs: crashed: INFO: task hung in genl_rcv_msg representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 testing commit b85ea95d086471afb4ad062012a4d73cd328fa86 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b4edf07980b2f119e3f4663fe84ec44437b629060b83a1fa666caed075d35fb2 all runs: crashed: INFO: task hung in genl_rcv_msg representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] the chunk can be dropped testing without sub-chunk 4/5 testing commit b85ea95d086471afb4ad062012a4d73cd328fa86 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 194c71c265b011d7d72becfccc09d4afd5855f946cf6c21de27ad0266c0b5864 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 testing commit b85ea95d086471afb4ad062012a4d73cd328fa86 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 64c9924d78e3fe19ca33cadff7b1b7624764d34b15d953d9597dd3764e0b3376 all runs: crashed: INFO: task hung in genl_rcv_msg representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] 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 PADATA PAGE_IDLE_FLAG PAGE_POOL PAGE_REPORTING 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 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_NPCM 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] picked [v6.6 v6.5 v6.4 v6.2 v6.0 v5.18 v5.16 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 29 release tags testing release v6.6 testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 34f89c80ab51510012f084fee3d57586ac5b93b7e01151e1af1685de89ad5186 all runs: crashed: INFO: task hung in genl_rcv_msg representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] testing release v6.5 testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3fe6044e27d01548fb439afbf67e7bc28a154947fdb95db8682a760451f777cf run #0: crashed: INFO: task hung in genl_rcv_msg run #1: OK run #2: crashed: INFO: task hung in genl_rcv_msg run #3: crashed: INFO: task hung in genl_rcv_msg run #4: crashed: INFO: task hung in genl_rcv_msg run #5: crashed: INFO: task hung in genl_rcv_msg run #6: crashed: INFO: task hung in genl_rcv_msg run #7: crashed: INFO: task hung in genl_rcv_msg run #8: crashed: INFO: task hung in genl_rcv_msg run #9: crashed: INFO: task hung in genl_rcv_msg representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] testing release v6.4 testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a57823d01732603ca7cb1192135abcdde52ae1ae087fc5a40d700ce753637780 run #0: OK run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: crashed: INFO: task hung in genl_rcv_msg run #9: OK representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] testing release v6.2 testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 71f22f814c6acc28b9be3e631cd93eb0c5f11bce052e826867e6559b9465d087 all runs: OK false negative chance: 0.000 # git bisect start 6995e2de6891c724bfeb2db33d7b87775f913ad1 c9c3395d5e3dcc6daee66c6908354d47bf98cb0c Bisecting: 15817 revisions left to test after this (roughly 14 steps) [ce7928f7cf988e3f20ec3cca050838b266e9ef14] Merge tag 'wireless-next-2023-03-30' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next testing commit ce7928f7cf988e3f20ec3cca050838b266e9ef14 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 09fe445845f5cc5b7514ed3d1396f04ba95fd1eaea56d5bed078596bffdb4f0e all runs: crashed: INFO: task hung in genl_rcv_msg representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] # git bisect bad ce7928f7cf988e3f20ec3cca050838b266e9ef14 Bisecting: 7592 revisions left to test after this (roughly 13 steps) [a5c95ca18a98d742d0a4a04063c32556b5b66378] Merge tag 'drm-next-2023-02-23' of git://anongit.freedesktop.org/drm/drm testing commit a5c95ca18a98d742d0a4a04063c32556b5b66378 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d3e2c56d843885683aaa4189c34dc8b8a825dd4644d7edbeebdd83ca63b0685f run #0: crashed: INFO: task hung in genl_rcv_msg run #1: OK run #2: OK run #3: crashed: INFO: task hung in genl_rcv_msg run #4: OK run #5: OK run #6: OK run #7: crashed: INFO: task hung in genl_rcv_msg run #8: OK run #9: OK run #10: OK run #11: crashed: INFO: task hung in genl_rcv_msg run #12: OK run #13: crashed: INFO: task hung in genl_rcv_msg run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] # git bisect bad a5c95ca18a98d742d0a4a04063c32556b5b66378 Bisecting: 5053 revisions left to test after this (roughly 12 steps) [36289a03bcd3aabdf66de75cb6d1b4ee15726438] Merge tag 'v6.3-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 testing commit 36289a03bcd3aabdf66de75cb6d1b4ee15726438 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: af9449b6b38f811a200197a991c0d15c8eb626341653d0981064dfd4507ce0e3 run #0: crashed: INFO: task hung in genl_rcv_msg run #1: OK run #2: OK run #3: OK run #4: OK 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: crashed: INFO: task hung in genl_rcv_msg run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] # git bisect bad 36289a03bcd3aabdf66de75cb6d1b4ee15726438 Bisecting: 1339 revisions left to test after this (roughly 11 steps) [950b6662e26e381cf8834b9b78b08261890ee697] Merge tag 'soc-dt-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit 950b6662e26e381cf8834b9b78b08261890ee697 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6dbd425d43f1b750a2c4f662e38b99d5d27e8c752e95f5dd1b6c07595c032e8e run #0: OK run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: crashed: INFO: task hung in genl_rcv_msg run #11: crashed: INFO: task hung in genl_rcv_msg run #12: crashed: INFO: task hung in genl_rcv_msg run #13: crashed: INFO: task hung in genl_rcv_msg run #14: OK run #15: crashed: INFO: task hung in genl_rcv_msg run #16: OK run #17: OK run #18: OK run #19: crashed: INFO: task hung in genl_rcv_msg representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] # git bisect bad 950b6662e26e381cf8834b9b78b08261890ee697 Bisecting: 923 revisions left to test after this (roughly 10 steps) [cfd5bdf3e98e3d21d7f57ad0b76001aa1ab78d66] Merge tag 'socfpga_dts_updates_for_v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into arm/dt testing commit cfd5bdf3e98e3d21d7f57ad0b76001aa1ab78d66 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 69ae59fc2c4cd0f65b1ccaf7c00ad16e2089bce2824c968ced4c280f93d06eb4 run #0: OK run #1: OK run #2: OK run #3: crashed: INFO: task hung in genl_rcv_msg run #4: OK run #5: OK run #6: crashed: INFO: task hung in genl_rcv_msg 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: crashed: INFO: task hung in genl_rcv_msg representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] # git bisect bad cfd5bdf3e98e3d21d7f57ad0b76001aa1ab78d66 Bisecting: 466 revisions left to test after this (roughly 9 steps) [edb3f74332c3a139596a5ce10de1db6a6b300d40] Merge tag 'renesas-dt-bindings-for-v6.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/dt testing commit edb3f74332c3a139596a5ce10de1db6a6b300d40 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 30189fcbdafced22c286a42934a033631d7644a44a2d47f141cd0d741091c4f4 all runs: OK false negative chance: 0.004 # git bisect good edb3f74332c3a139596a5ce10de1db6a6b300d40 Bisecting: 241 revisions left to test after this (roughly 8 steps) [4503fc6ea33398c093a7a50cdbdbed811e998a9f] Merge tag 'imx-dt64-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/dt testing commit 4503fc6ea33398c093a7a50cdbdbed811e998a9f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7dcd20d08cfc209b118aca261f5d838f15aa1d54aad3d64797b8899a1a7fae60 run #0: OK run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: crashed: INFO: task hung in genl_rcv_msg run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: crashed: INFO: task hung in genl_rcv_msg run #13: OK run #14: crashed: INFO: task hung in genl_rcv_msg run #15: OK run #16: OK run #17: OK run #18: crashed: INFO: task hung in genl_rcv_msg run #19: OK representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] # git bisect bad 4503fc6ea33398c093a7a50cdbdbed811e998a9f Bisecting: 109 revisions left to test after this (roughly 7 steps) [54a39a28aeca173eb748020ece6d7ad57b9c7ea7] Merge tag 'dt64-cleanup-6.3-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-dt into arm/dt testing commit 54a39a28aeca173eb748020ece6d7ad57b9c7ea7 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 040b15c3e46d1e11c612bd314386b2ab6ea1584aa123a484ba6a7d14b05c43e9 run #0: OK run #1: OK run #2: OK run #3: OK run #4: crashed: INFO: task hung in genl_rcv_msg run #5: crashed: INFO: task hung in genl_rcv_msg run #6: crashed: INFO: task hung in genl_rcv_msg run #7: crashed: INFO: task hung in genl_rcv_msg run #8: crashed: INFO: task hung in genl_rcv_msg run #9: OK run #10: OK run #11: OK run #12: OK run #13: crashed: INFO: task hung in genl_rcv_msg run #14: crashed: INFO: task hung in genl_rcv_msg run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] # git bisect bad 54a39a28aeca173eb748020ece6d7ad57b9c7ea7 Bisecting: 53 revisions left to test after this (roughly 6 steps) [ffe4bd3db832a36b69a764d3895e34c726f4f3cf] Merge tag 'sunxi-dt-for-6.3-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/dt testing commit ffe4bd3db832a36b69a764d3895e34c726f4f3cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 11874bbcac5e4f67eadaa8c9acc26ee98075260304197611403f4cd114be4c0c run #0: OK run #1: OK run #2: crashed: INFO: task hung in genl_rcv_msg run #3: crashed: INFO: task hung in genl_rcv_msg run #4: OK run #5: crashed: INFO: task hung in genl_rcv_msg 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: crashed: INFO: task hung in genl_rcv_msg run #18: OK run #19: OK representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] # git bisect bad ffe4bd3db832a36b69a764d3895e34c726f4f3cf Bisecting: 30 revisions left to test after this (roughly 5 steps) [cdd070a4e1161b8a17eed9d416ab51428600d72a] Merge tag 'tegra-for-6.3-arm-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/dt testing commit cdd070a4e1161b8a17eed9d416ab51428600d72a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5ee4e55b815bbecebd2c777abc3aa18dfab453a55e8a84d6d0064ac69c25f7e7 run #0: crashed: INFO: task hung in genl_rcv_msg run #1: crashed: INFO: task hung in genl_rcv_msg run #2: crashed: INFO: task hung in genl_rcv_msg run #3: OK run #4: crashed: INFO: task hung in genl_rcv_msg 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: INFO: task hung in genl_rcv_msg, types: [HANG] # git bisect bad cdd070a4e1161b8a17eed9d416ab51428600d72a Bisecting: 14 revisions left to test after this (roughly 4 steps) [ccb26ac5e7dbc28a0d957ea4e911345b74c768c6] arm64: dts: renesas: Add ulcb{-kf} Audio Graph Card MIX + TDM Split dtsi testing commit ccb26ac5e7dbc28a0d957ea4e911345b74c768c6 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5d36edc65c5781ddc5163e2f45bdaea514e585de252fa61411a1e25870a3c576 run #0: OK run #1: OK run #2: crashed: INFO: task hung in genl_rcv_msg run #3: OK run #4: OK run #5: OK run #6: OK run #7: crashed: INFO: task hung in genl_rcv_msg 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: crashed: INFO: task hung in genl_rcv_msg run #17: OK run #18: crashed: INFO: task hung in genl_rcv_msg run #19: OK representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] # git bisect bad ccb26ac5e7dbc28a0d957ea4e911345b74c768c6 Bisecting: 7 revisions left to test after this (roughly 3 steps) [9a5db2f7f175597b04cbd7e017e75602fc275f6d] ARM: dts: r9a06g032: Add the USBF controller node testing commit 9a5db2f7f175597b04cbd7e017e75602fc275f6d gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f7929540b467e1f99198fa81fbd472f2e0067e7c7c8218316118cde3d74b73db run #0: OK run #1: OK run #2: OK run #3: OK run #4: OK run #5: crashed: INFO: task hung in genl_rcv_msg 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: INFO: task hung in genl_rcv_msg, types: [HANG] # git bisect bad 9a5db2f7f175597b04cbd7e017e75602fc275f6d Bisecting: 3 revisions left to test after this (roughly 2 steps) [7dd48e96d0cda9af79a2fee85e9135b4781f9ee1] riscv: dts: renesas: rzfive-smarc-som: Drop PHY interrupt support for ETH{0,1} testing commit 7dd48e96d0cda9af79a2fee85e9135b4781f9ee1 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1dd962787c982ce405f5ada72ae0385c06dda1853d95f223d137f51903cea8e8 run #0: OK run #1: OK run #2: crashed: INFO: task hung in genl_rcv_msg run #3: crashed: INFO: task hung in genl_rcv_msg run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: crashed: INFO: task hung in genl_rcv_msg run #12: crashed: INFO: task hung in genl_rcv_msg run #13: crashed: INFO: task hung in genl_rcv_msg run #14: OK run #15: OK run #16: OK run #17: crashed: INFO: task hung in genl_rcv_msg run #18: OK run #19: OK representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] # git bisect bad 7dd48e96d0cda9af79a2fee85e9135b4781f9ee1 Bisecting: 0 revisions left to test after this (roughly 1 step) [87d85b48f8109980c83b57b37ba963949ffbef25] arm64: dts: renesas: r8a779g0: Add Cortex-A76 1.8 GHz opp testing commit 87d85b48f8109980c83b57b37ba963949ffbef25 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cd691932f6b37db9f447e3661a40a33b38e68f8c9084595c8ed13cb37b09fd16 run #0: crashed: INFO: task hung in genl_rcv_msg run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: crashed: INFO: task hung in genl_rcv_msg run #7: OK run #8: OK run #9: crashed: INFO: task hung in genl_rcv_msg run #10: OK run #11: OK run #12: crashed: INFO: task hung in genl_rcv_msg run #13: crashed: INFO: task hung in genl_rcv_msg run #14: crashed: INFO: task hung in genl_rcv_msg run #15: OK run #16: OK run #17: OK run #18: crashed: INFO: task hung in genl_rcv_msg run #19: OK representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] # git bisect bad 87d85b48f8109980c83b57b37ba963949ffbef25 Bisecting: 0 revisions left to test after this (roughly 0 steps) [695863408b11710b9ff7f8bab5198fd0e8a9a02f] ARM: dts: renesas: Use new media bus type macros testing commit 695863408b11710b9ff7f8bab5198fd0e8a9a02f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 091d4467eb82349c682895a3997070e118cf16d2f3a73141dad7582bd349ac86 run #0: OK run #1: crashed: INFO: task hung in genl_rcv_msg run #2: crashed: INFO: task hung in genl_rcv_msg run #3: OK run #4: OK run #5: OK run #6: crashed: INFO: task hung in genl_rcv_msg run #7: crashed: INFO: task hung in genl_rcv_msg run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: crashed: INFO: task hung in genl_rcv_msg run #14: OK run #15: crashed: INFO: task hung in genl_rcv_msg run #16: OK run #17: OK run #18: crashed: INFO: task hung in genl_rcv_msg run #19: crashed: INFO: task hung in genl_rcv_msg representative crash: INFO: task hung in genl_rcv_msg, types: [HANG] # git bisect bad 695863408b11710b9ff7f8bab5198fd0e8a9a02f 695863408b11710b9ff7f8bab5198fd0e8a9a02f is the first bad commit commit 695863408b11710b9ff7f8bab5198fd0e8a9a02f Author: Laurent Pinchart Date: Thu Jun 16 01:14:09 2022 +0300 ARM: dts: renesas: Use new media bus type macros Now that a header exists with macros for the media interface bus-type values, replace hardcoding numerical constants with the corresponding macros in the DT sources. Signed-off-by: Laurent Pinchart Reviewed-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/20220615221410.27459-6-laurent.pinchart@ideasonboard.com Signed-off-by: Geert Uytterhoeven arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ca.dts | 11 +++++++---- arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi | 4 +++- arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ov7725-single.dtsi | 4 +++- 3 files changed, 13 insertions(+), 6 deletions(-) accumulated error probability: 0.00 parent commit 2ef9e3ef3b8d9a59455a79f02ce9aff8544bd02d wasn't tested testing commit 2ef9e3ef3b8d9a59455a79f02ce9aff8544bd02d gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 14812bb266d3ad7fd10c51e6a0c90e83b918cc528bd65638b5ea50b620fc0ac2 culprit signature: 091d4467eb82349c682895a3997070e118cf16d2f3a73141dad7582bd349ac86 parent signature: 14812bb266d3ad7fd10c51e6a0c90e83b918cc528bd65638b5ea50b620fc0ac2 reproducer is flaky (0.13 repro chance estimate) revisions tested: 26, total time: 8h4m37.671767307s (build: 2h29m40.989564174s, test: 5h20m1.322608698s) first bad commit: 695863408b11710b9ff7f8bab5198fd0e8a9a02f ARM: dts: renesas: Use new media bus type macros recipients (to): ["geert+renesas@glider.be" "laurent.pinchart@ideasonboard.com" "prabhakar.mahadev-lad.rj@bp.renesas.com"] recipients (cc): [] crash: INFO: task hung in genl_rcv_msg INFO: task syz-executor334:17125 blocked for more than 143 seconds. Not tainted 6.2.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor334 state:D stack:25520 pid:17125 ppid:17114 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5244 [inline] __schedule+0xeda/0x5850 kernel/sched/core.c:6555 schedule+0xe7/0x1c0 kernel/sched/core.c:6631 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6690 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x5c1/0x9b0 kernel/locking/mutex.c:747 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x43c/0x700 net/netlink/genetlink.c:1063 netlink_rcv_skb+0x137/0x3a0 net/netlink/af_netlink.c:2564 genl_rcv+0x23/0x30 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x41f/0x730 net/netlink/af_netlink.c:1356 netlink_sendmsg+0x7c4/0xc70 net/netlink/af_netlink.c:1932 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xb2/0xf0 net/socket.c:734 ____sys_sendmsg+0x621/0x8d0 net/socket.c:2476 ___sys_sendmsg+0x100/0x180 net/socket.c:2530 __sys_sendmsg+0xe6/0x180 net/socket.c:2559 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x64/0xce RIP: 0033:0x7f3e5d594339 RSP: 002b:00007f3e5d554228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000000002a RCX: 00007f3e5d594339 RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004 RBP: 00007f3e5d61d348 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3e5d61d340 R13: 00007f3e5d5ea064 R14: 00007ffd1092d0a0 R15: 00007ffd1092d188 INFO: task syz-executor334:17123 blocked for more than 143 seconds. Not tainted 6.2.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor334 state:D stack:25504 pid:17123 ppid:17111 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5244 [inline] __schedule+0xeda/0x5850 kernel/sched/core.c:6555 schedule+0xe7/0x1c0 kernel/sched/core.c:6631 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6690 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x5c1/0x9b0 kernel/locking/mutex.c:747 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x43c/0x700 net/netlink/genetlink.c:1063 netlink_rcv_skb+0x137/0x3a0 net/netlink/af_netlink.c:2564 genl_rcv+0x23/0x30 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x41f/0x730 net/netlink/af_netlink.c:1356 netlink_sendmsg+0x7c4/0xc70 net/netlink/af_netlink.c:1932 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xb2/0xf0 net/socket.c:734 ____sys_sendmsg+0x621/0x8d0 net/socket.c:2476 ___sys_sendmsg+0x100/0x180 net/socket.c:2530 __sys_sendmsg+0xe6/0x180 net/socket.c:2559 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x64/0xce RIP: 0033:0x7f3e5d594339 RSP: 002b:00007f3e5d554228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000023 RCX: 00007f3e5d594339 RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004 RBP: 00007f3e5d61d348 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3e5d61d340 R13: 00007f3e5d5ea064 R14: 00007ffd1092d0a0 R15: 00007ffd1092d188 INFO: task syz-executor334:17129 blocked for more than 144 seconds. Not tainted 6.2.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor334 state:D stack:28736 pid:17129 ppid:17110 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5244 [inline] __schedule+0xeda/0x5850 kernel/sched/core.c:6555 schedule+0xe7/0x1c0 kernel/sched/core.c:6631 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6690 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x5c1/0x9b0 kernel/locking/mutex.c:747 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x43c/0x700 net/netlink/genetlink.c:1063 netlink_rcv_skb+0x137/0x3a0 net/netlink/af_netlink.c:2564 genl_rcv+0x23/0x30 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x41f/0x730 net/netlink/af_netlink.c:1356 netlink_sendmsg+0x7c4/0xc70 net/netlink/af_netlink.c:1932 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xb2/0xf0 net/socket.c:734 __sys_sendto+0x1e1/0x2a0 net/socket.c:2117 __do_sys_sendto net/socket.c:2129 [inline] __se_sys_sendto net/socket.c:2125 [inline] __x64_sys_sendto+0xdb/0x1b0 net/socket.c:2125 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x64/0xce RIP: 0033:0x7f3e5d595c8c RSP: 002b:00007f3e5d553150 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f3e5d553214 RCX: 00007f3e5d595c8c RDX: 0000000000000020 RSI: 00007f3e5d553200 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00007f3e5d5531a4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3e5d553200 R13: 00007f3e5d5ea064 R14: 00007ffd1092d0a0 R15: 00007ffd1092d188 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff86699df0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x24/0xdb0 kernel/rcu/tasks.h:507 1 lock held by khungtaskd/26: #0: ffffffff8669a940 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494 2 locks held by getty/1645: #0: ffff888146689098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x23/0x80 drivers/tty/tty_ldisc.c:244 #1: ffffc9000008d2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xc57/0x12c0 drivers/tty/n_tty.c:2177 2 locks held by syz-executor334/17125: #0: ffffffff8728ae30 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x30 net/netlink/genetlink.c:1075 #1: ffffffff8728aee8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8728aee8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x43c/0x700 net/netlink/genetlink.c:1063 2 locks held by syz-executor334/17123: #0: ffffffff8728ae30 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x30 net/netlink/genetlink.c:1075 #1: ffffffff8728aee8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8728aee8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x43c/0x700 net/netlink/genetlink.c:1063 2 locks held by syz-executor334/17127: 2 locks held by syz-executor334/17129: #0: ffffffff8728ae30 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x30 net/netlink/genetlink.c:1075 #1: ffffffff8728aee8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8728aee8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x43c/0x700 net/netlink/genetlink.c:1063 2 locks held by syz-executor334/17132: #0: ffffffff8728ae30 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x30 net/netlink/genetlink.c:1075 #1: ffffffff8728aee8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8728aee8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x43c/0x700 net/netlink/genetlink.c:1063 2 locks held by syz-executor334/17133: #0: ffffffff8728ae30 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x30 net/netlink/genetlink.c:1075 #1: ffffffff8728aee8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8728aee8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x43c/0x700 net/netlink/genetlink.c:1063 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 26 Comm: khungtaskd Not tainted 6.2.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x6e/0x9f lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x30/0x10e lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x25d/0x2e0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline] watchdog+0x90e/0xc40 kernel/hung_task.c:377 kthread+0x241/0x2d0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 17127 Comm: syz-executor334 Not tainted 6.2.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:lockdep_recursion_inc kernel/locking/lockdep.c:461 [inline] RIP: 0010:lock_release+0x186/0x830 kernel/locking/lockdep.c:5687 Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 48 06 00 00 45 8b 86 f4 09 00 00 45 85 c0 0f 85 64 02 00 00 9c 8f 04 24 fa <48> c7 c7 a0 31 47 85 e8 0e 16 dc 03 48 89 da 83 e3 07 48 b8 00 00 RSP: 0018:ffffc900020deb50 EFLAGS: 00000046 RAX: 0000000000000007 RBX: ffffffff8756aecc RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff854731e0 RDI: ffff8880684f89f4 RBP: 1ffff9200041bd6c R08: 0000000000000000 R09: 0000000000000001 R10: fffffbfff0eacf8a R11: ffff8880160e914e R12: ffffffff8669a940 R13: 0000000000000000 R14: ffff8880684f8000 R15: ffff8880160f0551 FS: 00007f3e5d5546c0(0000) GS:ffff8880ba900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3e5d570130 CR3: 000000007315a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_lock_release include/linux/rcupdate.h:330 [inline] rcu_read_unlock include/linux/rcupdate.h:797 [inline] tipc_sk_lookup+0x42a/0x820 net/tipc/socket.c:3002 tipc_nl_publ_dump+0x2d1/0xc20 net/tipc/socket.c:3813 __tipc_nl_compat_dumpit+0x26e/0xb80 net/tipc/netlink_compat.c:227 tipc_nl_compat_publ_dump net/tipc/netlink_compat.c:1035 [inline] tipc_nl_compat_sk_dump+0x4ca/0x850 net/tipc/netlink_compat.c:1087 __tipc_nl_compat_dumpit+0x458/0xb80 net/tipc/netlink_compat.c:238 tipc_nl_compat_dumpit+0x3dc/0x790 net/tipc/netlink_compat.c:321 tipc_nl_compat_handle net/tipc/netlink_compat.c:1261 [inline] tipc_nl_compat_recv+0x7ab/0xae0 net/tipc/netlink_compat.c:1324 genl_family_rcv_msg_doit.isra.0+0x1ce/0x2a0 net/netlink/genetlink.c:968 genl_family_rcv_msg net/netlink/genetlink.c:1048 [inline] genl_rcv_msg+0x429/0x700 net/netlink/genetlink.c:1065 netlink_rcv_skb+0x137/0x3a0 net/netlink/af_netlink.c:2564 genl_rcv+0x23/0x30 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x41f/0x730 net/netlink/af_netlink.c:1356 netlink_sendmsg+0x7c4/0xc70 net/netlink/af_netlink.c:1932 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xb2/0xf0 net/socket.c:734 ____sys_sendmsg+0x621/0x8d0 net/socket.c:2476 ___sys_sendmsg+0x100/0x180 net/socket.c:2530 __sys_sendmsg+0xe6/0x180 net/socket.c:2559 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x64/0xce RIP: 0033:0x7f3e5d594339 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 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:00007f3e5d554228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000029 RCX: 00007f3e5d594339 RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004 RBP: 00007f3e5d61d348 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3e5d61d340 R13: 00007f3e5d5ea064 R14: 00007ffd1092d0a0 R15: 00007ffd1092d188