ci2 starts bisection 2026-06-04 15:21:20.910925302 +0000 UTC m=+53273.610036689 bisecting fixing commit since e253c52bbdfce1f214777784549a350a8f9ba3b8 building syzkaller on d6526ea3e6ad9081c902859bbb80f9f840377cb4 ensuring issue is reproducible on original commit e253c52bbdfce1f214777784549a350a8f9ba3b8 testing commit e253c52bbdfce1f214777784549a350a8f9ba3b8 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 5a623dcb0594a8bd608d269ea59712c39748514a3ae78d9b29ac51597f91500a run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: crashed: lost connection to test machine run #4: crashed: lost connection to test machine run #5: crashed: lost connection to test machine run #6: crashed: lost connection to test machine run #7: crashed: lost connection to test machine run #8: crashed: lost connection to test machine run #9: crashed: lost connection to test machine run #10: crashed: lost connection to test machine run #11: crashed: lost connection to test machine run #12: crashed: lost connection to test machine run #13: crashed: lost connection to test machine run #14: crashed: lost connection to test machine run #15: crashed: lost connection to test machine run #16: crashed: lost connection to test machine run #17: crashed: lost connection to test machine run #18: crashed: lost connection to test machine run #19: 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 [hang memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed testing commit e253c52bbdfce1f214777784549a350a8f9ba3b8 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: f1d7ce390629e56b88cb541bc4aaf92e090d689f8a9f378a996aa9b373d58611 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 [locking atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed kconfig minimization: base=4788 full=6026 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 e253c52bbdfce1f214777784549a350a8f9ba3b8 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 48db1b0fdf9b1e4c8bf04b4d3195d0b88b7f79e0213f1d4ed43e6503d8dcd8d5 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 e253c52bbdfce1f214777784549a350a8f9ba3b8 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 0f09837913340def0d541acdce8e22b2ea79e878d41199c1683680a763c582c3 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 [memleak ubsan bug_or_warning kasan locking atomic_sleep hang], they are not needed testing commit e253c52bbdfce1f214777784549a350a8f9ba3b8 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 48fa8e081c0efe20481439e047619d6738e88b5e1d409ca7a9f50ae9c5a459df 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 [atomic_sleep hang memleak ubsan bug_or_warning kasan locking], they are not needed testing commit e253c52bbdfce1f214777784549a350a8f9ba3b8 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: f88f213460f219dea779c8a3c27d3fb3e6183995394a6f0f220857a1ee4b0c91 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: crashed: lost connection to test machine run #2: crashed: lost connection to test machine run #3: crashed: lost connection to test machine run #4: crashed: lost connection to test machine run #5: crashed: lost connection to test machine run #6: crashed: lost connection to test machine run #7: crashed: lost connection to test machine run #8: crashed: lost connection to test machine run #9: 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 [memleak ubsan bug_or_warning kasan locking atomic_sleep hang], they are not needed testing commit e253c52bbdfce1f214777784549a350a8f9ba3b8 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 failed building e253c52bbdfce1f214777784549a350a8f9ba3b8: 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 [bug_or_warning kasan locking atomic_sleep hang memleak ubsan], 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: 8b6d6537092b9a6787b855f63019d419134e8f471dfe50225fbb35e9d91adc11 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: 1h46m58.658476195s (build: 47m57.909175066s, test: 41m24.624304942s) 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