ci2 starts bisection 2026-06-20 23:16:46.386560427 +0000 UTC m=+99718.288861332
bisecting fixing commit since c638897860ca9741a28811dd69a43e2c9d685ec6
building syzkaller on 07e030dea6e6d9ca88b75bb3be2810f47083b328
ensuring issue is reproducible on original commit c638897860ca9741a28811dd69a43e2c9d685ec6

testing commit c638897860ca9741a28811dd69a43e2c9d685ec6 gcc
compiler: Debian clang version 22.1.6 (++20260514074242+fc4aad7b5db3-1~exp1~20260514074407.73), Debian LLD 22.1.6
kernel signature: 20e85309e2dcb9f2a0ee1d941c2f69be2e875cdaa5e24bd471bdb1f6cbf7c079
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: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #7: basic kernel testing failed: SYZFAIL: failed to recv rpc
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 c638897860ca9741a28811dd69a43e2c9d685ec6 gcc
compiler: Debian clang version 22.1.6 (++20260514074242+fc4aad7b5db3-1~exp1~20260514074407.73), Debian LLD 22.1.6
kernel signature: 816377d919e7ac53dad0d8f01857774ee1f8956883d698e4de327f1ac4cb19d8
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: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
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]
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 4
kconfig minimization: base=5186 full=6557 leaves diff=268
split chunks (needed=false): <268>
split chunk #0 of len 268 into 5 parts
testing without sub-chunk 1/5
testing commit c638897860ca9741a28811dd69a43e2c9d685ec6 gcc
compiler: Debian clang version 22.1.6 (++20260514074242+fc4aad7b5db3-1~exp1~20260514074407.73), Debian LLD 22.1.6
kernel signature: 91c168044ba51774a1ff1fbc6c10beab35609e2fb5983d72c589a5d7c2e66edc
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: basic kernel testing failed: SYZFAIL: failed to recv rpc
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 2/5
testing commit c638897860ca9741a28811dd69a43e2c9d685ec6 gcc
compiler: Debian clang version 22.1.6 (++20260514074242+fc4aad7b5db3-1~exp1~20260514074407.73), Debian LLD 22.1.6
kernel signature: 5c36ad6f621646773dc7a1dbb6c18b654c0b5410c678ac788214733e602ebca1
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: basic kernel testing failed: SYZFAIL: failed to recv rpc
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 3/5
testing commit c638897860ca9741a28811dd69a43e2c9d685ec6 gcc
compiler: Debian clang version 22.1.6 (++20260514074242+fc4aad7b5db3-1~exp1~20260514074407.73), Debian LLD 22.1.6
kernel signature: 9077ca296571638b44b8aca8adb12c01df53abaa3e8a3e399997615a9b796e8b
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: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
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 4/5
testing commit c638897860ca9741a28811dd69a43e2c9d685ec6 gcc
compiler: Debian clang version 22.1.6 (++20260514074242+fc4aad7b5db3-1~exp1~20260514074407.73), Debian LLD 22.1.6
kernel signature: 9406fd75d8a7cac0ade32461a9c295c8bd80ad033b4f67aab4dac94ccf2bf6d3
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: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc
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]
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 3
testing without sub-chunk 5/5
testing commit c638897860ca9741a28811dd69a43e2c9d685ec6 gcc
compiler: Debian clang version 22.1.6 (++20260514074242+fc4aad7b5db3-1~exp1~20260514074407.73), Debian LLD 22.1.6
failed building c638897860ca9741a28811dd69a43e2c9d685ec6: ld.lld: error: undefined symbol: wext_proc_init
ld.lld: error: undefined symbol: wext_proc_exit
ld.lld: error: undefined symbol: wext_handle_ioctl
ld.lld: error: undefined symbol: compat_wext_handle_ioctl
minimized to 106 configs; suspects: [COMMON_CLK HID_ZEROPLUS SND SOUND TYPEC_FUSB302 USB_ARMLINUX USB_BELKIN USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_ACC USB_CONFIGFS_F_AUDIO_SRC USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CONFIGFS_UEVENT USB_DWC3_OF_SIMPLE USB_EHSET_TEST_FIXTURE USB_F_ACC USB_F_ACM USB_F_AUDIO_SRC USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_NCM USB_F_OBEX USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_IPHETH USB_ISP1760 USB_ISP1760_HCD USB_ISP1760_HOST_ROLE USB_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_MON 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 V4L2_ASYNC V4L2_FWNODE VIDEO_CAMERA_SENSOR 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 ZEROPLUS_FF]
testing current HEAD 72813af230c70b354ff794deacf334c5d96b0076
testing commit 72813af230c70b354ff794deacf334c5d96b0076 gcc
compiler: Debian clang version 22.1.6 (++20260514074242+fc4aad7b5db3-1~exp1~20260514074407.73), Debian LLD 22.1.6
kernel signature: 8fb7ab21dd307b7ba46b9b326bd16cd5b6d719d1cf1ad4b28b62484b5215c157
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: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
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]
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 4
HEAD had kernel build, boot or test errors
revisions tested: 7, total time: 1h8m15.596734881s (build: 20m50.646780464s, test: 30m37.005931864s)
crash still not fixed or there were kernel test errors
commit msg: Merge tag 'android14-6.1.174_r00' into android14-6.1
crash: failed testing reproducer on 72813af230c70b354ff794deacf334c5d96b0076