ci2 starts bisection 2024-10-28 07:42:17.59605808 +0000 UTC m=+195747.366403064
bisecting fixing commit since ef39f76e4d24522699750afb641330cf1fb78c9b
building syzkaller on d615901c739a765329b688494cee2f8e1b5037cb
ensuring issue is reproducible on original commit ef39f76e4d24522699750afb641330cf1fb78c9b

testing commit ef39f76e4d24522699750afb641330cf1fb78c9b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 05244fe63159eaf6e3c9818101bbaa5b404ddcdf063c5dc465471c9e56ebe1f9
run #0: crashed: lost connection to test machine
run #1: crashed: go runtime error
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
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: OK
representative crash: lost connection to test machine, types: [UNKNOWN]
check whether we can drop unnecessary instrumentation
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit ef39f76e4d24522699750afb641330cf1fb78c9b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4602c567488f8c56b17799001ffb2b0fb2d8eeebe4a26b3c16a095635afe76f4
run #0: crashed: lost connection to test machine
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: OK
run #9: crashed: lost connection to test machine
representative crash: lost connection to test machine, types: [UNKNOWN]
the bug reproduces without the instrumentation
disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
kconfig minimization: base=5179 full=6492 leaves diff=255
split chunks (needed=false): <255>
split chunk #0 of len 255 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 ef39f76e4d24522699750afb641330cf1fb78c9b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: af5833774dab94865f8a6d20a96fa3cce5228874c4001211f81a358beb604696
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: lost connection to test machine
run #5: crashed: lost connection to test machine
run #6: OK
run #7: crashed: lost connection to test machine
run #8: OK
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 [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit ef39f76e4d24522699750afb641330cf1fb78c9b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8139ba9257d4897bb54b2b9136502fd07f6997bccd16db001291b6dd2ac9e70c
run #0: crashed: lost connection to test machine
run #1: crashed: go runtime error
run #2: crashed: go runtime error
run #3: crashed: go runtime error
run #4: crashed: lost connection to test machine
run #5: crashed: lost connection to test machine
run #6: crashed: panic: runtime error: floating point error
run #7: OK
run #8: OK
run #9: crashed: lost connection to test machine
representative crash: lost connection to test machine, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit ef39f76e4d24522699750afb641330cf1fb78c9b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ee85b26c08d726669126f02d92300de6fa1ecc9303f8a10b2d5d4ed4e9189507
run #0: crashed: lost connection to test machine
run #1: crashed: go runtime error
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: go runtime error
run #6: crashed: lost connection to test machine
run #7: crashed: lost connection to test machine
run #8: OK
run #9: OK
representative crash: lost connection to test machine, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit ef39f76e4d24522699750afb641330cf1fb78c9b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a15abb11e45eb281f0ca91bfcc39c2b50ad4512b9f67c2eb219d084350ac2ea1
run #0: crashed: lost connection to test machine
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: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: lost connection to test machine, types: [UNKNOWN]
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 ef39f76e4d24522699750afb641330cf1fb78c9b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
failed building ef39f76e4d24522699750afb641330cf1fb78c9b: net/socket.c:1242: undefined reference to `wext_handle_ioctl'
net/socket.c:3437: 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 51 configs; suspects: [HID_ZEROPLUS 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 X86_X32_ABI ZEROPLUS_FF]
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing current HEAD a874ed06eb34e9a049fed6f767519de9f38130bd
testing commit a874ed06eb34e9a049fed6f767519de9f38130bd gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5255e14964d74ca4e30c6ba79b2a156056149de0ab77c60093d1035c536c319d
run #0: crashed: lost connection to test machine
run #1: crashed: go runtime error
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: go runtime error
run #9: crashed: go runtime error
run #10: crashed: lost connection to test machine
run #11: OK
run #12: OK
run #13: crashed: lost connection to test machine
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: lost connection to test machine, types: [UNKNOWN]
crash still not fixed/happens on the oldest tested release
reproducer is flaky (0.40 repro chance estimate)
revisions tested: 7, total time: 1h51m43.356546658s (build: 22m43.179735244s, test: 1h24m2.049131929s)
crash still not fixed or there were kernel test errors
commit msg: UPSTREAM: Revert "tty: serial: simplify qcom_geni_serial_send_chunk_fifo()"
crash: lost connection to test machine