ci2 starts bisection 2025-02-05 09:04:33.585561934 +0000 UTC m=+43960.519566705 bisecting fixing commit since 48c6c901fe0e68e176029738d829e0d01eabb0b2 building syzkaller on 6d6dbf8ab21a52df701946afac2a86f93a88fdc8 ensuring issue is reproducible on original commit 48c6c901fe0e68e176029738d829e0d01eabb0b2 testing commit 48c6c901fe0e68e176029738d829e0d01eabb0b2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6041fa07c4f8ac52df358fcddc661c81de8c43d0b8576ecb1e8c1a1eebb0e978 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 48c6c901fe0e68e176029738d829e0d01eabb0b2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3c7644b570066cc84875279a809828da362eb83b308838581dfacafa0224ca05 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 LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed kconfig minimization: base=5179 full=6485 leaves diff=250 split chunks (needed=false): <250> split chunk #0 of len 250 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 48c6c901fe0e68e176029738d829e0d01eabb0b2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f3aeb5184898ec83eb546f187632d2c782e23d8eb60a290d2d958315a61bff50 run #0: crashed: lost connection to test machine run #1: crashed: lost connection to test machine run #2: crashed: go runtime error 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: go runtime error, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 48c6c901fe0e68e176029738d829e0d01eabb0b2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 48640438c1f45dcae6c7045286eeddb9c107cd9bb2b42c7fcefefd77b95548ae 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 KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 48c6c901fe0e68e176029738d829e0d01eabb0b2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4551f16f67108b355bf3c2154c8119cc74b9214e2c42135453af717a7b3b8430 run #0: crashed: go runtime error 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: go runtime error run #5: crashed: go runtime error 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: go runtime error, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 48c6c901fe0e68e176029738d829e0d01eabb0b2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8c98a97e732a43aaa2b7b2c5f3074a71b97ac9cb0324ab7c9deeb77d03f35cf3 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 [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 48c6c901fe0e68e176029738d829e0d01eabb0b2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 48c6c901fe0e68e176029738d829e0d01eabb0b2: net/socket.c:1225: undefined reference to `wext_handle_ioctl' net/socket.c:3420: undefined reference to `compat_wext_handle_ioctl' net/core/net-procfs.c:329: undefined reference to `wext_proc_init' net/core/net-procfs.c:345: undefined reference to `wext_proc_exit' minimized to 50 configs; suspects: [HID_ZEROPLUS USB_NET_CDC_MBIM 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_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 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 X86_X32_ABI ZEROPLUS_FF] disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing current HEAD 7658169f5f5f923490921ce2092c559acd69a148 testing commit 7658169f5f5f923490921ce2092c559acd69a148 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6a5ff269dc1837867694211b63d1ee80a5349c99bed711fcd64a5f1b02a5e102 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: 1h25m28.007281367s (build: 48m29.029929281s, test: 33m57.927873896s) crash still not fixed or there were kernel test errors commit msg: BACKPORT: usb: xhci: Fix NULL pointer dereference on certain command aborts crash: lost connection to test machine