ci2 starts bisection 2024-05-07 20:35:53.325039372 +0000 UTC m=+32405.564464478
bisecting fixing commit since 8a427269c016a4b7a6c29a595f3c121030649818
building syzkaller on 39990d513277ce9372a4cc89bdac23d9fc30b056
ensuring issue is reproducible on original commit 8a427269c016a4b7a6c29a595f3c121030649818

testing commit 8a427269c016a4b7a6c29a595f3c121030649818 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: fc407cc5b7afc81892cfe693386c0ffdd64092e1baf9df9801086a7ee75a61ea
all runs: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
representative crash: kernel panic: EXT4-fs (device loop0): panic forced after error, types: [UNKNOWN]
check whether we can drop unnecessary instrumentation
disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 8a427269c016a4b7a6c29a595f3c121030649818 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 476ab7161f0bdb00143eebeff4890a40240d2be3e01455c907314689cac15e06
all runs: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
representative crash: kernel panic: EXT4-fs (device loop0): panic forced after error, 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=6022 leaves diff=237
split chunks (needed=false): <237>
split chunk #0 of len 237 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit 8a427269c016a4b7a6c29a595f3c121030649818 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: da7dedb0c02838c5e5441c3f984f21ab9c6e8d0e7f6527d9c2725f10c2cd5b91
all runs: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
representative crash: kernel panic: EXT4-fs (device loop0): panic forced after error, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit 8a427269c016a4b7a6c29a595f3c121030649818 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 432831c3af03474262e7ec3a8d15cd65788b62e29108fcd9816d2e713977c022
all runs: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
representative crash: kernel panic: EXT4-fs (device loop0): panic forced after error, 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 8a427269c016a4b7a6c29a595f3c121030649818 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6c1865f5e1a3b7642ca4b8909460bac458ced21f4a8d79420e4f9cea61c474e7
all runs: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
representative crash: kernel panic: EXT4-fs (device loop0): panic forced after error, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit 8a427269c016a4b7a6c29a595f3c121030649818 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 76c073bff2aadc18db9c60a7b1eb4842b69c3194fc8af5cec70cbed261ecf0ae
all runs: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
representative crash: kernel panic: EXT4-fs (device loop0): panic forced after error, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed
testing commit 8a427269c016a4b7a6c29a595f3c121030649818 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building 8a427269c016a4b7a6c29a595f3c121030649818: net/socket.c:1109: undefined reference to `wext_handle_ioctl'
net/socket.c:3378: 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 45 configs; suspects: [HID_ZEROPLUS 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], 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: 30m14.996314994s (build: 11m35.164191699s, test: 17m26.794518917s)
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]