ci2 starts bisection 2023-12-26 03:38:42.732938452 +0000 UTC m=+301726.056824013 bisecting fixing commit since 61cfd264993d07540f60a5c53d77a14c818e54a9 building syzkaller on 56230772cba106f46117f03491f01c3cf511ae26 ensuring issue is reproducible on original commit 61cfd264993d07540f60a5c53d77a14c818e54a9 testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0179611f14b429180a11129b0123717fee28e770a546756cc488adc2393b1111 all runs: crashed: SYZFAIL: tun: can't open /dev/net/tun representative crash: SYZFAIL: tun: can't open /dev/net/tun, types: [SYZ_FAILURE] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c0cbfc3471a2700207266c0c646718f7d8d7621614df406bd350d80db61412a7 all runs: crashed: SYZFAIL: tun: can't open /dev/net/tun representative crash: SYZFAIL: tun: can't open /dev/net/tun, types: [SYZ_FAILURE] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=4920 full=6161 leaves diff=241 split chunks (needed=false): <241> split chunk #0 of len 241 into 5 parts testing without sub-chunk 1/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9e21f8a862df1072897f1bbebba910c000836fb285ae7c9f5ad871ebebf874b7 all runs: crashed: SYZFAIL: tun: can't open /dev/net/tun representative crash: SYZFAIL: tun: can't open /dev/net/tun, types: [SYZ_FAILURE] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ca15bcfd70d16e68b49947f232a3096f272ebb878fd7c81a7c8883725623521c all runs: crashed: SYZFAIL: tun: can't open /dev/net/tun representative crash: SYZFAIL: tun: can't open /dev/net/tun, types: [SYZ_FAILURE] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 770caede613acf93b3a6d9d9476ae0446dd83d32004fb2711acd682fa2184992 all runs: crashed: SYZFAIL: tun: can't open /dev/net/tun representative crash: SYZFAIL: tun: can't open /dev/net/tun, types: [SYZ_FAILURE] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 957b799ebf06f1140b3b62caa3c6ed3665e24d9d9de7bab3705586c43e2876c3 all runs: crashed: SYZFAIL: tun: can't open /dev/net/tun representative crash: SYZFAIL: tun: can't open /dev/net/tun, types: [SYZ_FAILURE] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building 61cfd264993d07540f60a5c53d77a14c818e54a9: net/socket.c:1189: undefined reference to `wext_handle_ioctl' net/socket.c:3383: undefined reference to `compat_wext_handle_ioctl' net/core/net-procfs.c:343: undefined reference to `wext_proc_exit' net/core/net-procfs.c:327: undefined reference to `wext_proc_init' minimized to 45 configs; suspects: [HID_ZEROPLUS 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 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing current HEAD 28e3f5851a993d680ac5a14fd70cce739e78375d testing commit 28e3f5851a993d680ac5a14fd70cce739e78375d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 15416e1b8db3f5d1139d6b836d121a355e0849e2781bbee7ff57df75ac77d576 all runs: crashed: SYZFAIL: tun: can't open /dev/net/tun representative crash: SYZFAIL: tun: can't open /dev/net/tun, types: [SYZ_FAILURE] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 48m52.757154191s (build: 14m38.926447076s, test: 32m21.472042511s) crash still not fixed or there were kernel test errors commit msg: Revert "HID: core: store the unique system identifier in hid_device" crash: SYZFAIL: tun: can't open /dev/net/tun 2023/12/26 04:27:12 [FATAL] executor failed 11 times: executor 0: failed to write control pipe: write |1: broken pipe SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67