ci2 starts bisection 2026-07-16 21:56:24.662716405 +0000 UTC m=+35229.966793368 bisecting fixing commit since 1b32327554da96311b5979fd4eaa5eff94dd1531 building syzkaller on 81fb92f382d05aa9fb9878696840b9711b38ba20 ensuring issue is reproducible on original commit 1b32327554da96311b5979fd4eaa5eff94dd1531 testing commit 1b32327554da96311b5979fd4eaa5eff94dd1531 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: c7643633c970dd3d474c66690e36617ba848584a77aeaa4e111ae5e66a14936e all runs: crashed: lost connection to test machine representative crash: lost connection to test machine, types: [LOST_CONNECTION] check whether we can drop unnecessary instrumentation disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep hang], they are not needed testing commit 1b32327554da96311b5979fd4eaa5eff94dd1531 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 04894836e95ea1a32c51a1353340dbf0bd31abcafc25e64c00637964e07d7fe5 all runs: crashed: lost connection to test machine representative crash: lost connection to test machine, types: [LOST_CONNECTION] the bug reproduces without the instrumentation disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed kconfig minimization: base=4788 full=6024 leaves diff=248 split chunks (needed=false): <248> split chunk #0 of len 248 into 5 parts testing without sub-chunk 1/5 disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed testing commit 1b32327554da96311b5979fd4eaa5eff94dd1531 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: d8efd63eded98dc7f8873734d1388f46e6bf6a13942a00cc88cc95360f4b0d60 all runs: crashed: lost connection to test machine representative crash: lost connection to test machine, types: [LOST_CONNECTION] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep hang], they are not needed testing commit 1b32327554da96311b5979fd4eaa5eff94dd1531 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 01cc29c591f0a87de43523bec2693060746677794fc163c7369dc3d0d650e9ab all runs: crashed: lost connection to test machine representative crash: lost connection to test machine, types: [LOST_CONNECTION] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed testing commit 1b32327554da96311b5979fd4eaa5eff94dd1531 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: eac0c5c8e1e5165fee01ff97b66a17b12ccfa1be5b9dfd4f26c50f2bdbfcc407 all runs: crashed: lost connection to test machine representative crash: lost connection to test machine, types: [LOST_CONNECTION] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [bug_or_warning kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit 1b32327554da96311b5979fd4eaa5eff94dd1531 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 9af841c3e29d92b1a7534798d7750766d0378c5fb8ab541695ff08ea76abc6b0 all runs: crashed: lost connection to test machine representative crash: lost connection to test machine, types: [LOST_CONNECTION] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [hang memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed testing commit 1b32327554da96311b5979fd4eaa5eff94dd1531 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 failed building 1b32327554da96311b5979fd4eaa5eff94dd1531: net/socket.c:1128:(.text+0x817): undefined reference to `wext_handle_ioctl' net/socket.c:3397:(.text+0xa08): undefined reference to `compat_wext_handle_ioctl' net/core/net-procfs.c:346:(.text+0x109): undefined reference to `wext_proc_exit' net/core/net-procfs.c:330:(.text+0x1e4): undefined reference to `wext_proc_init' minimized to 48 configs; suspects: [HID_ZEROPLUS USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_DM9601 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 USB_XHCI_PCI_RENESAS 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 ZEROPLUS_FF] disabling configs for [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing current HEAD 50b3a256e550e98ff6a49d32e77fb67998707961 testing commit 50b3a256e550e98ff6a49d32e77fb67998707961 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 15c237c8702706aadbe332950fcfa46910cb877f82b21931ed6152178e8aa3a3 all runs: crashed: lost connection to test machine representative crash: lost connection to test machine, types: [LOST_CONNECTION] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 1h19m41.643700347s (build: 27m13.814353252s, test: 33m35.986841616s) crash still not fixed or there were kernel test errors commit msg: Merge 5.10.260 into android13-5.10-lts crash: lost connection to test machine