ci2 starts bisection 2026-07-22 04:53:26.973977181 +0000 UTC m=+23292.741948986 bisecting fixing commit since 1154f779f3f3d196ace7d5084498f5d7f418ba64 building syzkaller on 807a3b61ca22f8988561c180eb47268ea6e244db ensuring issue is reproducible on original commit 1154f779f3f3d196ace7d5084498f5d7f418ba64 testing commit 1154f779f3f3d196ace7d5084498f5d7f418ba64 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 18e7008325aba8bdbfd48cbcfadb0fe0490c4681b70f3d07e3c8798c047609e1 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 [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit 1154f779f3f3d196ace7d5084498f5d7f418ba64 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: bf516422cc4742b39616d43455cad27c125e88ed8c8e7982212cd53f269b1fcc 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 [atomic_sleep hang memleak ubsan bug_or_warning kasan locking], they are not needed kconfig minimization: base=4788 full=6025 leaves diff=247 split chunks (needed=false): <247> split chunk #0 of len 247 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 1154f779f3f3d196ace7d5084498f5d7f418ba64 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 264cb8182362a7eda27a4314df305ebad68454c301b961e0fdcf6b76bcde1ada 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 [locking atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed testing commit 1154f779f3f3d196ace7d5084498f5d7f418ba64 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 24f284a1312df769cf401c9eef1bdad80f9f8d6b325afd6a26f516bc8c996b3d 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 [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit 1154f779f3f3d196ace7d5084498f5d7f418ba64 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 9418404fa7e953471bfb2d3302552c789276d39ce010985544c1fa9093ed0606 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 [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed testing commit 1154f779f3f3d196ace7d5084498f5d7f418ba64 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: b535330a7c54529fdb444e65a39b7561bb655a5cc471dcbf0fe10512cf6f4594 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 1154f779f3f3d196ace7d5084498f5d7f418ba64 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 failed building 1154f779f3f3d196ace7d5084498f5d7f418ba64: 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 47 configs; suspects: [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 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 [hang memleak ubsan bug_or_warning kasan locking atomic_sleep], 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: 1a9818c0d7873c332f741ad6516214d5d7ff2cd0acd3848390eb620ffe145117 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: 1h11m36.683183208s (build: 15m16.921797601s, test: 36m16.842112925s) 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