ci2 starts bisection 2026-06-07 12:19:31.762918599 +0000 UTC m=+133369.737218989
bisecting fixing commit since 8d23314f588a573519ab88c332e94c927f870810
building syzkaller on 9314348adf7605682d49192fa6487aac93f5782b
ensuring issue is reproducible on original commit 8d23314f588a573519ab88c332e94c927f870810

testing commit 8d23314f588a573519ab88c332e94c927f870810 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 83af20a0a6a06c8e676754e6b740501afb84a89b3e72c21d275247d6fc0456f7
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 [bug_or_warning kasan locking atomic_sleep hang memleak ubsan], they are not needed
testing commit 8d23314f588a573519ab88c332e94c927f870810 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: b5ae3f30d2c6176e522eb0f8b59ba443d0482e066527b4910bbf06b8e57dd93e
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=4788 full=6020 leaves diff=245
split chunks (needed=false): <245>
split chunk #0 of len 245 into 5 parts
testing without sub-chunk 1/5
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep hang], they are not needed
testing commit 8d23314f588a573519ab88c332e94c927f870810 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: c7ad8885b55ab30db7a5ff0bfedfe99faf2c6354b4e481ccb29799345f3d64db
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 8d23314f588a573519ab88c332e94c927f870810 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: fa73bd142c3788331b659f23d49f6052169d9d3648753d58d29e1ea92c3165ed
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 8d23314f588a573519ab88c332e94c927f870810 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 36109003e97f7d0acb69dd367f2ad264ec189ba8eb53595a0f0822d1346aeff4
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 8d23314f588a573519ab88c332e94c927f870810 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 4d8b56ca1a0a9105eda0728695208ee94af5872cf82f7b34998c375b1d8cd53f
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 [memleak ubsan bug_or_warning kasan locking atomic_sleep hang], they are not needed
testing commit 8d23314f588a573519ab88c332e94c927f870810 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
failed building 8d23314f588a573519ab88c332e94c927f870810: 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 49 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 X86_X32 ZEROPLUS_FF]
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep hang], 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: aa854fd913dfc062179d56407f717e3e920ef5951de7c0ba1f17e1955e5d2d84
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: 1h17m31.544764279s (build: 19m20.489314389s, test: 42m44.657466409s)
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