ci2 starts bisection 2026-09-03 09:42:14.037474583 +0000 UTC m=+21432.915099913
bisecting fixing commit since 92668decd5e08edc7a6c138256abd2c37c4970f2
building syzkaller on 544adce92c4ed9bb14467417ab97dcb85ab6a8a5
ensuring issue is reproducible on original commit 92668decd5e08edc7a6c138256abd2c37c4970f2

testing commit 92668decd5e08edc7a6c138256abd2c37c4970f2 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 4cb2030ddd7153c3bceb8b84a4974d9d8020f6428ae46b73ad86fdbff5de7c5c
all runs: crashed: general protection fault in step_into
representative crash: general protection fault in step_into, types: [DoS]
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 92668decd5e08edc7a6c138256abd2c37c4970f2 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 0026fff926581bb3f627033f8d26221a2836cf65d0dc63a19121ebd2088ecd3c
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in step_into
representative crash: BUG: unable to handle kernel NULL pointer dereference in step_into, types: [NULL-POINTER-DEREFERENCE]
the bug reproduces without the instrumentation
disabling configs for [bug_or_warning kasan locking atomic_sleep hang memleak ubsan], they are not needed
kconfig minimization: base=5186 full=6558 leaves diff=267
split chunks (needed=false): <267>
split chunk #0 of len 267 into 5 parts
testing without sub-chunk 1/5
disabling configs for [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing commit 92668decd5e08edc7a6c138256abd2c37c4970f2 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 87d5f9c6803c2c79da4fc6db41fe51714cc093ab43ba05bac3dc0c5cb33fb884
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in step_into
representative crash: BUG: unable to handle kernel NULL pointer dereference in step_into, types: [NULL-POINTER-DEREFERENCE]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [bug_or_warning kasan locking atomic_sleep hang memleak ubsan], they are not needed
testing commit 92668decd5e08edc7a6c138256abd2c37c4970f2 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: fadf6621b9bc5382549192f9ea1167046408f8cf0e171c232e09ca64d8e0cdae
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in step_into
representative crash: BUG: unable to handle kernel NULL pointer dereference in step_into, types: [NULL-POINTER-DEREFERENCE]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [bug_or_warning kasan locking atomic_sleep hang memleak ubsan], they are not needed
testing commit 92668decd5e08edc7a6c138256abd2c37c4970f2 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 51d57551c9676f8ee3b6d4959e2fc1b1d168dfa0b899d2757f187fbc7fc54442
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in step_into
representative crash: BUG: unable to handle kernel NULL pointer dereference in step_into, types: [NULL-POINTER-DEREFERENCE]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [hang memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing commit 92668decd5e08edc7a6c138256abd2c37c4970f2 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: f20e3ce5db86d8e94955013c4c20d4389233d65cc1e48a7d3819c7c7009f97f2
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in step_into
representative crash: BUG: unable to handle kernel NULL pointer dereference in step_into, types: [NULL-POINTER-DEREFERENCE]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
testing commit 92668decd5e08edc7a6c138256abd2c37c4970f2 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 92668decd5e08edc7a6c138256abd2c37c4970f2: 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 51 configs; suspects: [HAVE_CLK HID_ZEROPLUS 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]
disabling configs for [bug_or_warning kasan locking atomic_sleep hang memleak ubsan], they are not needed
testing current HEAD a456b3ef576717afd334673bff5248dcfcbda41c
testing commit a456b3ef576717afd334673bff5248dcfcbda41c gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building a456b3ef576717afd334673bff5248dcfcbda41c: certs/extract-cert.c:149:7: error: use of undeclared identifier 'key_pass'
certs/extract-cert.c:150:42: error: use of undeclared identifier 'key_pass'
HEAD had kernel build, boot or test errors
revisions tested: 6, total time: 2h7m3.007791139s (build: 39m17.486228218s, test: 1h17m21.362406334s)
crash still not fixed or there were kernel test errors
commit msg: ANDROID: fuse-bpf: instantiate child dentry with correct child inode
crash: failed building a456b3ef576717afd334673bff5248dcfcbda41c: certs/extract-cert.c:149:7: error: use of undeclared identifier 'key_pass'
certs/extract-cert.c:150:42: error: use of undeclared identifier 'key_pass'