ci2 starts bisection 2024-05-14 22:36:05.767118594 +0000 UTC m=+82013.488266620 bisecting fixing commit since fc10db4b193239730f058050e153df17bfdceee7 building syzkaller on 77b23aa147a898d1e1912a5f01e6716bbdc3a59e ensuring issue is reproducible on original commit fc10db4b193239730f058050e153df17bfdceee7 testing commit fc10db4b193239730f058050e153df17bfdceee7 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 91ca48e3a587ee191bd528ba686317f03179ed135933df9da7854475f6136399 all runs: crashed: general protection fault in vfs_link representative crash: general protection fault in vfs_link, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit fc10db4b193239730f058050e153df17bfdceee7 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e0a511c0786c8600a79ca7ea0a70378cb6fa2943c24735b12ae1e0d521fbb496 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_link representative crash: BUG: unable to handle kernel NULL pointer dereference in vfs_link, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed kconfig minimization: base=4789 full=6019 leaves diff=238 split chunks (needed=false): <238> split chunk #0 of len 238 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit fc10db4b193239730f058050e153df17bfdceee7 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 33c5fb6352580b49d5d8a7e932720b9ed48ebfb648b813c5ab9d066798410a80 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_link representative crash: BUG: unable to handle kernel NULL pointer dereference in vfs_link, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit fc10db4b193239730f058050e153df17bfdceee7 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b09cc2030a3986414aa034dc7617cc18b0af967bcf78a02819375d87b712fc8f all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_link representative crash: BUG: unable to handle kernel NULL pointer dereference in vfs_link, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit fc10db4b193239730f058050e153df17bfdceee7 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 349d7be32e7065e6693128b9b6613b1a030878e9675bf4a85d816ecee7ec306d all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_link representative crash: BUG: unable to handle kernel NULL pointer dereference in vfs_link, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit fc10db4b193239730f058050e153df17bfdceee7 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6942f7458f955e0e2b12cb6629ad5b516cf9a83e4d89412eab2484c508f03acc all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_link representative crash: BUG: unable to handle kernel NULL pointer dereference in vfs_link, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit fc10db4b193239730f058050e153df17bfdceee7 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building fc10db4b193239730f058050e153df17bfdceee7: net/socket.c:1128: undefined reference to `wext_handle_ioctl' net/socket.c:3397: undefined reference to `compat_wext_handle_ioctl' net/core/net-procfs.c:346: undefined reference to `wext_proc_exit' net/core/net-procfs.c:330: undefined reference to `wext_proc_init' minimized to 46 configs; suspects: [HID_ZEROPLUS USB_NET_GL620A USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD USB_OHCI_HCD_PCI USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_PRINTER USB_SERIAL USB_SERIAL_FTDI_SIO USB_SERIAL_GENERIC USB_SERIAL_PL2303 USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_TRANCEVIBRATOR USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_WDM WLAN WLAN_VENDOR_ATH WLAN_VENDOR_ATMEL WLAN_VENDOR_BROADCOM WLAN_VENDOR_INTERSIL WLAN_VENDOR_MARVELL WLAN_VENDOR_MEDIATEK WLAN_VENDOR_MICROCHIP WLAN_VENDOR_RALINK WLAN_VENDOR_REALTEK WLAN_VENDOR_RSI WLAN_VENDOR_ZYDAS X86_X32 ZEROPLUS_FF] disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing current HEAD 15b61bfa9950ab95c0c3e42654e9fc5ec1c1c010 testing commit 15b61bfa9950ab95c0c3e42654e9fc5ec1c1c010 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building 15b61bfa9950ab95c0c3e42654e9fc5ec1c1c010: arch/x86/kernel/paravirt.c:65:2: error: implicit declaration of function '__text_gen_insn' [-Werror=implicit-function-declaration] arch/x86/kernel/paravirt.c:65:29: error: 'CALL_INSN_OPCODE' undeclared (first use in this function) arch/x86/kernel/paravirt.c:66:26: error: 'CALL_INSN_SIZE' undeclared (first use in this function) arch/x86/kernel/paravirt.c:68:1: error: control reaches end of non-void function [-Werror=return-type] HEAD had kernel build, boot or test errors revisions tested: 6, total time: 35m51.167823311s (build: 17m54.551490923s, test: 16m38.208742044s) crash still not fixed or there were kernel test errors commit msg: Revert "regmap: allow to define reg_update_bits for no bus configuration" crash: failed building 15b61bfa9950ab95c0c3e42654e9fc5ec1c1c010: arch/x86/kernel/paravirt.c:65:2: error: implicit declaration of function '__text_gen_insn' [-Werror=implicit-function-declaration] arch/x86/kernel/paravirt.c:65:29: error: 'CALL_INSN_OPCODE' undeclared (first use in this function) arch/x86/kernel/paravirt.c:66:26: error: 'CALL_INSN_SIZE' undeclared (first use in this function) arch/x86/kernel/paravirt.c:68:1: error: control reaches end of non-void function [-Werror=return-type]