ci starts bisection 2023-10-25 12:08:39.68033504 +0000 UTC m=+67912.244896149 bisecting fixing commit since f6feea56f66d34259c4222fa02e8171c4f2673d1 building syzkaller on 93ae7e0a1ca84fd2df902b7c8d94cdedb671bed6 ensuring issue is reproducible on original commit f6feea56f66d34259c4222fa02e8171c4f2673d1 testing commit f6feea56f66d34259c4222fa02e8171c4f2673d1 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c67632d5e5d068ebe244e737d88b3de4bf4601a6cb00003baa66adde5cbcbd40 all runs: crashed: unregister_netdevice: waiting for DEV to become free representative crash: unregister_netdevice: waiting for DEV to become free, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit f6feea56f66d34259c4222fa02e8171c4f2673d1 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 61414949d46860ca4f2059cb2385b7c354ed03558d6b4feebceba70616a30906 all runs: crashed: INFO: trying to register non-static key in net_free representative crash: INFO: trying to register non-static key in net_free, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed kconfig minimization: base=3938 full=7552 leaves diff=1988 split chunks (needed=false): <1988> split chunk #0 of len 1988 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit f6feea56f66d34259c4222fa02e8171c4f2673d1 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0478f4943f27491e6e1c028261299ce4675e66a1e3110004064ede370767e221 run #0: crashed: INFO: trying to register non-static key in net_free run #1: crashed: unregister_netdevice: waiting for DEV to become free run #2: crashed: INFO: trying to register non-static key in net_free run #3: crashed: INFO: trying to register non-static key in net_free run #4: crashed: INFO: trying to register non-static key in net_free run #5: crashed: unregister_netdevice: waiting for DEV to become free run #6: crashed: unregister_netdevice: waiting for DEV to become free run #7: crashed: INFO: trying to register non-static key in net_free run #8: crashed: unregister_netdevice: waiting for DEV to become free run #9: crashed: INFO: trying to register non-static key in net_free representative crash: INFO: trying to register non-static key in net_free, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit f6feea56f66d34259c4222fa02e8171c4f2673d1 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 296b6580cbcfa1b50ae4cdc5061ba1268e774d79bdbeca48b374ab99db07131b run #0: crashed: INFO: trying to register non-static key in net_free run #1: crashed: unregister_netdevice: waiting for DEV to become free run #2: crashed: INFO: trying to register non-static key in corrupted run #3: crashed: INFO: trying to register non-static key in net_free run #4: crashed: INFO: trying to register non-static key in net_free run #5: crashed: INFO: trying to register non-static key in net_free run #6: crashed: INFO: trying to register non-static key in net_free run #7: crashed: unregister_netdevice: waiting for DEV to become free run #8: crashed: INFO: trying to register non-static key in net_free run #9: crashed: INFO: trying to register non-static key in net_free representative crash: INFO: trying to register non-static key in net_free, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit f6feea56f66d34259c4222fa02e8171c4f2673d1 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f2d9cd5a40faaf0a3453c9a8fe0ba304ae4f5d20e0abfd88e035cb50db8ad3c4 run #0: crashed: BUG: Bad page map run #1: crashed: BUG: unable to handle kernel paging request in gc_worker run #2: crashed: BUG: unable to handle kernel paging request in clear_page_rep run #3: crashed: go runtime error run #4: crashed: go runtime error run #5: crashed: go runtime error run #6: crashed: go runtime error run #7: crashed: go runtime error run #8: crashed: BUG: Bad page map run #9: crashed: no output from test machine representative crash: BUG: Bad page map, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit f6feea56f66d34259c4222fa02e8171c4f2673d1 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fedb8e3b9b726d94ebaa64ca07d4405af690580a32dec6882c84738d6437fa43 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit f6feea56f66d34259c4222fa02e8171c4f2673d1 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eeca26639a9d0f504e27dc1bf6a8ed6307b082fdc19c1afbbf0af3e769abe134 run #0: crashed: invalid opcode in corrupted run #1: crashed: go runtime error run #2: crashed: BUG: unable to handle kernel paging request in __d_lookup run #3: crashed: go runtime error run #4: crashed: go runtime error run #5: crashed: go runtime error run #6: crashed: go runtime error run #7: crashed: go runtime error run #8: crashed: go runtime error run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor579313688" "root@10.128.0.176:./syz-executor579313688"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.176, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.176 [10.128.0.176] port 22. debug1: connect to address 10.128.0.176 port 22: Connection timed out ssh: connect to host 10.128.0.176 port 22: Connection timed out scp: Connection closed representative crash: invalid opcode in corrupted, types: [UNKNOWN] the chunk can be dropped minimized to 398 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 CC_HAS_UBSAN_BOUNDS 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_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 NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_POOL PAGE_REPORTING 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 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_TEA575X 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_COMMON 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 SRCU SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSFB SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UBSAN_ONLY_BOUNDS UCSI_ACPI UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_HOST USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VXLAN WIRELESS WLAN ZONE_DEVICE] disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing current HEAD 4f82870119a46b0d04d91ef4697ac4977a255a9d testing commit 4f82870119a46b0d04d91ef4697ac4977a255a9d gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4ead035bc29e7d8d0e9c27862e272aa93cc869e2b5e3e857c5a480a9f3334c2c run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in locks_remove_posix run #1: crashed: go runtime error run #2: crashed: go runtime error run #3: crashed: go runtime error run #4: crashed: BUG: unable to handle kernel paging request in clear_inode run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in task_work_run run #6: crashed: invalid opcode in corrupted run #7: crashed: go runtime error run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in get_mountpoint run #9: crashed: BUG: unable to handle kernel paging request in __d_lookup representative crash: BUG: unable to handle kernel NULL pointer dereference in locks_remove_posix, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 2h26m12.4211096s (build: 1h27m3.385123433s, test: 51m42.228370793s) crash still not fixed or there were kernel test errors commit msg: Merge tag 'mm-hotfixes-stable-2023-10-24-09-40' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm crash: BUG: unable to handle kernel NULL pointer dereference in locks_remove_posix BUG: kernel NULL pointer dereference, address: 0000000000000554 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 1561 Comm: syslogd Not tainted 6.6.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:list_empty include/linux/list.h:373 [inline] RIP: 0010:locks_remove_posix+0x4d/0x1b0 fs/locks.c:2553 Code: 04 25 28 00 00 00 48 89 84 24 10 01 00 00 31 c0 48 89 e5 48 89 ef f3 48 ab 49 8b 84 24 20 02 00 00 48 85 c0 0f 84 d5 00 00 00 <48> 8b 50 50 48 83 c0 50 48 39 c2 0f 84 c4 00 00 00 48 89 ef 49 89 RSP: 0018:ffffc90002fe7dc8 EFLAGS: 00010202 RAX: 0000000000000504 RBX: ffff88810173e000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff888102f7f400 RDI: ffffc90002fe7ed8 RBP: ffffc90002fe7dc8 R08: ffff888102f7f510 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881036e56e0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fc610d6b380(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000554 CR3: 00000001047c8000 CR4: 0000000000350ee0 Call Trace: filp_flush+0x4a/0x60 fs/open.c:1536 __do_sys_close fs/open.c:1566 [inline] __se_sys_close fs/open.c:1557 [inline] __x64_sys_close+0x2e/0x80 fs/open.c:1557 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc610ec00a8 Code: 48 8b 05 83 9d 0d 00 64 c7 00 16 00 00 00 83 c8 ff 48 83 c4 20 5b c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 5b 48 8b 15 51 9d 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffc288f4ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000559a8cdc8910 RCX: 00007fc610ec00a8 RDX: 00007ffc28925080 RSI: 00007fc61105e30a RDI: 0000000000000003 RBP: 00007ffc288f4bd0 R08: 0000000000000001 R09: 0000000000000000 R10: 00007fc61105e3a3 R11: 0000000000000246 R12: 0000559a8cdc8c50 R13: 000000006539271e R14: 0000000000000006 R15: 0000559a8cdc8a60 Modules linked in: CR2: 0000000000000554 ---[ end trace 0000000000000000 ]--- RIP: 0010:list_empty include/linux/list.h:373 [inline] RIP: 0010:locks_remove_posix+0x4d/0x1b0 fs/locks.c:2553 Code: 04 25 28 00 00 00 48 89 84 24 10 01 00 00 31 c0 48 89 e5 48 89 ef f3 48 ab 49 8b 84 24 20 02 00 00 48 85 c0 0f 84 d5 00 00 00 <48> 8b 50 50 48 83 c0 50 48 39 c2 0f 84 c4 00 00 00 48 89 ef 49 89 RSP: 0018:ffffc90002fe7dc8 EFLAGS: 00010202 RAX: 0000000000000504 RBX: ffff88810173e000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff888102f7f400 RDI: ffffc90002fe7ed8 RBP: ffffc90002fe7dc8 R08: ffff888102f7f510 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881036e56e0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fc610d6b380(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000554 CR3: 00000001047c8000 CR4: 0000000000350ee0 ---------------- Code disassembly (best guess): 0: 04 25 add $0x25,%al 2: 28 00 sub %al,(%rax) 4: 00 00 add %al,(%rax) 6: 48 89 84 24 10 01 00 mov %rax,0x110(%rsp) d: 00 e: 31 c0 xor %eax,%eax 10: 48 89 e5 mov %rsp,%rbp 13: 48 89 ef mov %rbp,%rdi 16: f3 48 ab rep stos %rax,%es:(%rdi) 19: 49 8b 84 24 20 02 00 mov 0x220(%r12),%rax 20: 00 21: 48 85 c0 test %rax,%rax 24: 0f 84 d5 00 00 00 je 0xff * 2a: 48 8b 50 50 mov 0x50(%rax),%rdx <-- trapping instruction 2e: 48 83 c0 50 add $0x50,%rax 32: 48 39 c2 cmp %rax,%rdx 35: 0f 84 c4 00 00 00 je 0xff 3b: 48 89 ef mov %rbp,%rdi 3e: 49 rex.WB 3f: 89 .byte 0x89