ci2 starts bisection 2026-06-04 07:44:37.53364429 +0000 UTC m=+25870.232755676 bisecting fixing commit since 7ae299a5827ae907825706c33e93f124c678e853 building syzkaller on a898ba9c6c8c17ec9041bb55f68cac381058afda ensuring issue is reproducible on original commit 7ae299a5827ae907825706c33e93f124c678e853 testing commit 7ae299a5827ae907825706c33e93f124c678e853 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: e80206562e9183594140ed44c0d4ccaf11e9782617699644cf54c96660557ae4 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 7ae299a5827ae907825706c33e93f124c678e853 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: ee47cca8b51277a61e604531f9ef8e6b22b985295e424751229d373a0e619b40 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 [memleak ubsan bug_or_warning kasan locking atomic_sleep hang], 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 [atomic_sleep hang memleak ubsan bug_or_warning kasan locking], they are not needed testing commit 7ae299a5827ae907825706c33e93f124c678e853 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 42a9c9c47f03291d1c18f69e2e7225cc87dda1bfd3fbaa89109a484338fe1342 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 [atomic_sleep hang memleak ubsan bug_or_warning kasan locking], they are not needed testing commit 7ae299a5827ae907825706c33e93f124c678e853 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 323def918520863afb31e90fdd9007599654d1f40f5f50df26399f6d6e02dd7f 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 7ae299a5827ae907825706c33e93f124c678e853 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: aa4580fac2822245f0ab34ca5a92cb515abfa58c53438ff9166e14d0fece6159 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 [memleak ubsan bug_or_warning kasan locking atomic_sleep hang], they are not needed testing commit 7ae299a5827ae907825706c33e93f124c678e853 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 944c73fd1e0929c801c7021b0c32247ed74f18c46851481e9b84ea06f512bc95 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 7ae299a5827ae907825706c33e93f124c678e853 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 failed building 7ae299a5827ae907825706c33e93f124c678e853: 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 [hang memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed testing current HEAD 4a079a5d30ebb7570d1eaf238b691ac3ba29680d testing commit 4a079a5d30ebb7570d1eaf238b691ac3ba29680d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 9034bb1f1e0737f1b2471c8c67f9a6c4098828de5e24c2005085a6f71b4248f7 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: 1h1m24.099981084s (build: 15m43.511936276s, test: 30m8.87565381s) crash still not fixed or there were kernel test errors commit msg: Merge android13-5.10 into android13-5.10-lts crash: lost connection to test machine