ci2 starts bisection 2026-06-12 12:47:43.570129073 +0000 UTC m=+38809.386371704 bisecting fixing commit since c0665c721df9b82c4652604d24aa91456058230b building syzkaller on 766b643402ed0591709000628ef6968f365d8630 ensuring issue is reproducible on original commit c0665c721df9b82c4652604d24aa91456058230b testing commit c0665c721df9b82c4652604d24aa91456058230b gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 707ccde5b73e379a0e94eafa12361793cbc2d8c7ed9e43e8d2972834a225794e 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 [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed testing commit c0665c721df9b82c4652604d24aa91456058230b gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: d1e0a0a739475176a64ad62c10c7ce6aa256b953336e02d800dc7e0d989f8a6e 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 [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed kconfig minimization: base=5186 full=6556 leaves diff=266 split chunks (needed=false): <266> split chunk #0 of len 266 into 5 parts testing without sub-chunk 1/5 disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed testing commit c0665c721df9b82c4652604d24aa91456058230b gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 3278c397279a303c1454f5a704a46ad8e13ddd7974d80d5a65c2327237368b76 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 [hang memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed testing commit c0665c721df9b82c4652604d24aa91456058230b gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 3e0b0e928841943c4a5e387f659b1758755673550fec50abb6cb983cd025b4ae 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 [hang memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed testing commit c0665c721df9b82c4652604d24aa91456058230b gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 05ee2e73d3bc644d3ce61d8f0c3b538d27eaec83d96c8f0e143c55207fd783e5 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 [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit c0665c721df9b82c4652604d24aa91456058230b gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 1da9c4c819fec2c6c01df240aca77c189638201b299fa300a9be1943c309ae58 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 [bug_or_warning kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit c0665c721df9b82c4652604d24aa91456058230b gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 failed building c0665c721df9b82c4652604d24aa91456058230b: ld.lld: error: undefined symbol: wext_proc_init ld.lld: error: undefined symbol: wext_proc_exit ld.lld: error: undefined symbol: wext_handle_ioctl ld.lld: error: undefined symbol: compat_wext_handle_ioctl minimized to 50 configs; suspects: [HAVE_CLK HID_ZEROPLUS 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_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 V4L2_ASYNC V4L2_FWNODE VIDEO_CAMERA_SENSOR WLAN WLAN_VENDOR_ATH WLAN_VENDOR_ATMEL WLAN_VENDOR_BROADCOM WLAN_VENDOR_INTERSIL WLAN_VENDOR_MARVELL WLAN_VENDOR_MEDIATEK WLAN_VENDOR_MICROCHIP WLAN_VENDOR_PURELIFI WLAN_VENDOR_RALINK WLAN_VENDOR_REALTEK WLAN_VENDOR_RSI WLAN_VENDOR_SILABS 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 bf32db5432811aa07cbf01edb96ce03b1bbd4cf3 testing commit bf32db5432811aa07cbf01edb96ce03b1bbd4cf3 gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 6dfe54c7a78d2b7eb16300c832dc721abdc27d55d50df44df0dd6fe35b3fb391 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: 1h0m45.423733354s (build: 21m19.931149058s, test: 22m24.702257045s) crash still not fixed or there were kernel test errors commit msg: ANDROID: GKI: update xiaomi symbol list crash: lost connection to test machine