ci2 starts bisection 2026-06-11 08:29:45.359862332 +0000 UTC m=+31934.733925287
bisecting fixing commit since dad37bbb13a8cb34a50620b396e22db5eff2dfdd
building syzkaller on 43249bac5ea7329293dfc606828db9cdec2cb392
ensuring issue is reproducible on original commit dad37bbb13a8cb34a50620b396e22db5eff2dfdd

testing commit dad37bbb13a8cb34a50620b396e22db5eff2dfdd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 36ca232d17c6f18ff71ad4510d041513c314b5f3b1e61066921515df0cdbb661
run #0: basic kernel testing failed: lost connection to test machine
run #1: crashed: lost connection to test machine
run #2: basic kernel testing failed: lost connection to test machine
run #3: crashed: lost connection to test machine
run #4: basic kernel testing failed: 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: basic kernel testing failed: failed to copy syz-executor to VM: timedout after 1m0s ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.1.145" "mkdir" "-p" "ci2-android-5-10-bisect-job"]
run #13: basic kernel testing failed: failed to copy syz-execprog to VM: scp failed: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "-O" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.146:ci2-android-5-10-bisect-job/syz-execprog"]
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 dad37bbb13a8cb34a50620b396e22db5eff2dfdd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: a614c09f2b99176ff95a9e89967916ec0bf457543de554ef44de4f6ece317c3c
run #0: basic kernel testing failed: failed to copy syz-executor to VM: scp failed: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "-O" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.1.125:ci2-android-5-10-bisect-job/syz-executor"]: exit status 1
run #1: basic kernel testing failed: lost connection to test machine
run #2: basic kernel testing failed: lost connection to test machine
run #3: basic kernel testing failed: lost connection to test machine
run #4: basic kernel testing failed: lost connection to test machine
run #5: basic kernel testing failed: 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]
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 4
kconfig minimization: base=4788 full=6025 leaves diff=251
split chunks (needed=false): <251>
split chunk #0 of len 251 into 5 parts
testing without sub-chunk 1/5
testing commit dad37bbb13a8cb34a50620b396e22db5eff2dfdd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 533d279fd8a9c1e1bb965ca873deb5f9c00857971006f0a29fdd7cf0dc1d11b6
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
testing commit dad37bbb13a8cb34a50620b396e22db5eff2dfdd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: b1cd09a0ea83d2697b168f44da34f5a57d2513c2c80dc9b24261bc88a2ff9c33
run #0: basic kernel testing failed: failed to copy prog to VM: scp failed: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "-O" "/tmp/syzkaller208698872" "root@10.128.1.96:ci2-android-5-10-bisect-job/syzkaller208698872"]: exit status 1
run #1: basic kernel testing failed: lost connection to test machine
run #2: basic kernel testing failed: lost connection to test machine
run #3: basic kernel testing failed: lost connection to test machine
run #4: basic kernel testing failed: lost connection to test machine
run #5: basic kernel testing failed: lost connection to test machine
run #6: basic kernel testing failed: lost connection to test machine
run #7: basic kernel testing failed: failed to copy syz-executor to VM: scp failed: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "-O" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.1.124:ci2-android-5-10-bisect-job/syz-executor"]
run #8: basic kernel testing failed: failed to copy prog to VM: timedout after 1m0s ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.1.123" "mkdir" "-p" "ci2-android-5-10-bisect-job"]
run #9: basic kernel testing failed: failed to copy prog to VM: scp failed: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "-O" "/tmp/syzkaller653744087" "root@10.128.1.138:ci2-android-5-10-bisect-job/syzkaller653744087"]
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
testing without sub-chunk 3/5
testing commit dad37bbb13a8cb34a50620b396e22db5eff2dfdd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: b885dd2bdda70f262f4858c7c10281b2e8ef8c0a775e8fa99c44b2a5244cb8f3
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
testing commit dad37bbb13a8cb34a50620b396e22db5eff2dfdd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: cbac2d0cbba91abddb1bde15a4d9b4e8b8e30610f89eab8fad80e54140d653a9
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
testing commit dad37bbb13a8cb34a50620b396e22db5eff2dfdd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: f74fcec57981de38abd346c7de30fd7a739c5ab58bfef4228674a75e1216c5cb
all runs: crashed: lost connection to test machine
representative crash: lost connection to test machine, types: [LOST_CONNECTION]
the chunk can be dropped
minimized to 51 configs; suspects: [CFG80211 CPU_MITIGATIONS FB HID_HOLTEK HID_PANTHERLORD HID_PENMOUNT HID_PETALYNX HID_PICOLCD_FB HID_PICOLCD_LEDS HID_PID HID_PRIMAX HID_PRODIKEYS HID_RMI HID_SAITEK HID_SAMSUNG HID_SENSOR_CUSTOM_SENSOR HID_SENSOR_HUB HID_SPEEDLINK HID_STEELSERIES HID_SUNPLUS HID_THINGM HID_TIVO HID_TOPSEED HID_TWINHAN HID_WALTOP HID_XINMO HID_ZYDACRON HOLTEK_FF HOTPLUG_PCI HWMON HW_CONSOLE I2C_MUX INPUT_JOYSTICK INPUT_LEDS INPUT_MOUSE INTEGRITY INTEGRITY_AUDIT JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL LCD_CLASS_DEVICE LOCALVERSION_AUTO LOGIG940_FF LOGIRUMBLEPAD2_FF LOGITECH_FF LOGIWHEELS_FF MAC80211 MAC80211_HAS_RC MAC80211_RC_DEFAULT_MINSTREL MAC80211_RC_MINSTREL MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_TUNER MFD_CORE MITIGATION_RFDS MITIGATION_TSA MITIGATION_VMSCAPE NET_SOCK_MSG NL80211_TESTMODE NOP_USB_XCEIV PANTHERLORD_FF PROC_MEM_ALWAYS_FORCE RFKILL SND SOUND VT WIRELESS]
testing current HEAD d11359bcf2acd74e38781036f367454765315df0
testing commit d11359bcf2acd74e38781036f367454765315df0 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: bee1c2322250a0aa44bda0348c88843e3d2eba2cecdfc7bd2f29f6f2eca4edaa
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: 8, total time: 1h36m57.182811171s (build: 28m35.013333702s, test: 50m12.925543749s)
crash still not fixed or there were kernel test errors
commit msg: Merge 0e33f8e4070b ("driver core: Don't let a device probe until it's ready") into android13-5.10-lts
crash: lost connection to test machine