ci2 starts bisection 2023-11-01 07:57:49.629782534 +0000 UTC m=+16756.806054252
bisecting fixing commit since c2611a04b92f0e6a38f718c50605300a325b7c7b
building syzkaller on acb1ba7170ce2a5c91ccaa197eb9e1c450e0d73a
ensuring issue is reproducible on original commit c2611a04b92f0e6a38f718c50605300a325b7c7b

testing commit c2611a04b92f0e6a38f718c50605300a325b7c7b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 83c2a0e3248eeb6a9169553cea349b8632b51c02f67fcea2d946084d3f40e39c
all runs: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
representative crash: kernel panic: EXT4-fs (device loop0): panic forced after error, types: [UNKNOWN]
check whether we can drop unnecessary instrumentation
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit c2611a04b92f0e6a38f718c50605300a325b7c7b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c41650c229ffecb330fa4c4d97ff2c2e770b5d73dbb3456aa4ae31072c603aff
run #0: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #1: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #2: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #3: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #4: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #5: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #6: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #7: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #8: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #9: OK
representative crash: kernel panic: EXT4-fs (device loop0): panic forced after error, types: [UNKNOWN]
the bug reproduces without the instrumentation
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
kconfig minimization: base=5179 full=6487 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit c2611a04b92f0e6a38f718c50605300a325b7c7b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 08db333d8fa3bc57622262839a85da9b24b9ea8d2881857350787d42fdcb812e
run #0: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #1: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #2: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #3: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #4: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #5: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #6: OK
run #7: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #8: OK
run #9: OK
representative crash: kernel panic: EXT4-fs (device loop0): panic forced after error, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit c2611a04b92f0e6a38f718c50605300a325b7c7b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 784ef2fafbf9896a74906ad5eb8ea0f366452ed01941e14256c617a2fc54391b
run #0: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #1: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: kernel panic: EXT4-fs (device loop0): panic forced after error, types: [UNKNOWN]
testing without sub-chunk 3/5
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit c2611a04b92f0e6a38f718c50605300a325b7c7b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 334ea81edd9155d3ba3002e75fe44806f8acc183e90e29873dbcc5a0f4cea74e
run #0: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #1: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #2: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #3: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #4: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #5: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #6: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #7: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #8: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #9: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #10: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #11: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #12: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #13: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #14: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #15: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #16: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #17: OK
run #18: OK
run #19: OK
representative crash: kernel panic: EXT4-fs (device loop0): panic forced after 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 c2611a04b92f0e6a38f718c50605300a325b7c7b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5fc04e00829efe3740731a7e7c25efe0309336f42016b1193547242ab08ece34
run #0: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #1: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #2: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #3: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #4: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #5: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #6: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #7: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #8: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #9: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #10: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #11: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #12: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #13: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #14: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #15: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #16: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #17: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #18: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #19: OK
representative crash: kernel panic: EXT4-fs (device loop0): panic forced after error, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit c2611a04b92f0e6a38f718c50605300a325b7c7b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
failed building c2611a04b92f0e6a38f718c50605300a325b7c7b: 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 100 configs; suspects: [COMMON_CLK FB HID_HOLTEK HID_ORTEK 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_ZEROPLUS HID_ZYDACRON HOLTEK_FF HOTPLUG_PCI HWMON HW_CONSOLE I2C_DESIGNWARE_CORE I2C_DESIGNWARE_PLATFORM I2C_MUX INPUT_JOYSTICK INPUT_LEDS INPUT_MOUSE INPUT_TOUCHSCREEN INTEGRITY INTEGRITY_AUDIT JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL LCD_CLASS_DEVICE LOCK_MM_AND_FIND_VMA LOGIG940_FF LOGIRUMBLEPAD2_FF LOGITECH_FF LOGIWHEELS_FF MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_TUNER MFD_CORE NET_DEVLINK NOP_USB_XCEIV PAHOLE_HAS_BTF_TAG PANTHERLORD_FF SND SOUND 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 VT 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 9d38c0bc652e76456c017ee8af5daeaac63ca581
testing commit 9d38c0bc652e76456c017ee8af5daeaac63ca581 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a96d9b285674ee30830abb5b972c44d4944c5655b7ef7a6d560d991b2bfbb832
run #0: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #1: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #2: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #3: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #4: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #5: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #6: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #7: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #8: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #9: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #10: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #11: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #12: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: kernel panic: EXT4-fs (device loop0): panic forced after error, types: [UNKNOWN]
crash still not fixed/happens on the oldest tested release
reproducer is flaky (0.95 repro chance estimate)
revisions tested: 7, total time: 1h38m29.805484862s (build: 18m29.903442212s, test: 1h17m11.405339378s)
crash still not fixed or there were kernel test errors
commit msg: BACKPORT: usb: typec: altmodes/displayport: Signal hpd when configuring pin assignment
crash: kernel panic: EXT4-fs (device loop0): panic forced after error
loop0: detected capacity change from 0 to 512
ext2: Unknown parameter 'ÿÿÿÿ'
EXT4-fs (loop0): feature flags set on rev 0 fs, running e2fsck is recommended
EXT4-fs (loop0): warning: checktime reached, running e2fsck is recommended
EXT4-fs warning (device loop0): ext4_update_dynamic_rev:1086: updating to rev 1 because of new feature flag, running e2fsck is recommended
EXT4-fs error (device loop0): ext4_validate_block_bitmap:429: comm syz-executor.0: bg 0: block 46: invalid block bitmap
Kernel panic - not syncing: EXT4-fs (device loop0): panic forced after error
Kernel Offset: disabled
Rebooting in 86400 seconds..