ci2 starts bisection 2026-08-16 22:33:10.821999971 +0000 UTC m=+168142.820238124
bisecting fixing commit since c0665c721df9b82c4652604d24aa91456058230b
building syzkaller on 766b643402ed0591709000628ef6968f365d8630
ensuring issue is reproducible on original commit c0665c721df9b82c4652604d24aa91456058230b

testing commit c0665c721df9b82c4652604d24aa91456058230b gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 30c8e0535f9f81c6254c298cc96223f21f86c177d9609c3fa15c0b684aecc28b
run #0: crashed: KASAN: use-after-free Read in ext4_find_extent
run #1: crashed: KASAN: use-after-free Read in ext4_find_extent
run #2: crashed: KASAN: use-after-free Read in ext4_find_extent
run #3: crashed: KASAN: use-after-free Read in ext4_find_extent
run #4: crashed: KASAN: use-after-free Read in ext4_find_extent
run #5: crashed: KASAN: use-after-free Read in ext4_find_extent
run #6: crashed: KASAN: use-after-free Read in ext4_find_extent
run #7: crashed: KASAN: use-after-free Read in ext4_find_extent
run #8: crashed: kernel BUG in ext4_split_extent_at
run #9: crashed: kernel BUG in ext4_split_extent_at
run #10: crashed: KASAN: use-after-free Read in ext4_find_extent
run #11: crashed: KASAN: use-after-free Read in ext4_find_extent
run #12: crashed: KASAN: use-after-free Read in ext4_find_extent
run #13: crashed: KASAN: use-after-free Read in ext4_find_extent
run #14: crashed: KASAN: use-after-free Read in ext4_find_extent
run #15: crashed: KASAN: use-after-free Read in ext4_find_extent
run #16: crashed: kernel BUG in ext4_split_extent_at
run #17: crashed: KASAN: use-after-free Read in ext4_find_extent
run #18: crashed: KASAN: use-after-free Read in ext4_find_extent
run #19: crashed: KASAN: use-after-free Read in ext4_find_extent
representative crash: KASAN: use-after-free Read in ext4_find_extent, types: [KASAN-USE-AFTER-FREE-READ]
check whether we can drop unnecessary instrumentation
disabling configs for [bug_or_warning locking atomic_sleep hang memleak ubsan], they are not needed
testing commit c0665c721df9b82c4652604d24aa91456058230b gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 7d3bf7ade78072914ad2a67896254187d1612fd1c3f6b845fdfe763dfbf06fbd
run #0: crashed: KASAN: use-after-free Read in ext4_find_extent
run #1: crashed: KASAN: use-after-free Read in ext4_find_extent
run #2: crashed: KASAN: use-after-free Read in ext4_find_extent
run #3: crashed: invalid opcode in ext4_split_extent_at
run #4: crashed: invalid opcode in ext4_split_extent_at
run #5: crashed: invalid opcode in ext4_split_extent_at
run #6: crashed: KASAN: use-after-free Read in ext4_find_extent
run #7: crashed: KASAN: use-after-free Read in ext4_find_extent
run #8: crashed: KASAN: use-after-free Read in ext4_find_extent
run #9: crashed: KASAN: use-after-free Read in ext4_find_extent
representative crash: KASAN: use-after-free Read in ext4_find_extent, types: [KASAN-USE-AFTER-FREE-READ DoS]
the bug reproduces without the instrumentation
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
kconfig minimization: base=5186 full=6556 leaves diff=266
split chunks (needed=false): <266>
split chunk #0 of len 266 into 5 parts
testing without sub-chunk 1/5
disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed
testing commit c0665c721df9b82c4652604d24aa91456058230b gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 03e4d6526f3e0868e0e4aee07d28be9925e91ec00a58e8dbb31558355175b4cb
run #0: crashed: KASAN: use-after-free Read in ext4_find_extent
run #1: crashed: invalid opcode in ext4_split_extent_at
run #2: crashed: KASAN: use-after-free Read in ext4_find_extent
run #3: crashed: invalid opcode in ext4_split_extent_at
run #4: crashed: invalid opcode in ext4_split_extent_at
run #5: crashed: KASAN: use-after-free Read in ext4_ext_insert_extent
run #6: crashed: KASAN: use-after-free Read in ext4_find_extent
run #7: crashed: KASAN: use-after-free Read in ext4_find_extent
run #8: crashed: KASAN: use-after-free Read in ext4_find_extent
run #9: crashed: invalid opcode in ext4_split_extent_at
representative crash: KASAN: use-after-free Read in ext4_find_extent, types: [KASAN-USE-AFTER-FREE-READ DoS]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [ubsan bug_or_warning locking atomic_sleep hang memleak], they are not needed
testing commit c0665c721df9b82c4652604d24aa91456058230b gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: e571cc389a07b72430ab6784dc23612449b9ea34b285a2fb130a1b3daca093cd
run #0: crashed: KASAN: use-after-free Read in ext4_find_extent
run #1: crashed: invalid opcode in ext4_split_extent_at
run #2: crashed: KASAN: use-after-free Read in ext4_find_extent
run #3: crashed: invalid opcode in ext4_split_extent_at
run #4: crashed: KASAN: use-after-free Read in ext4_find_extent
run #5: crashed: invalid opcode in ext4_split_extent_at
run #6: crashed: KASAN: use-after-free Read in ext4_find_extent
run #7: crashed: KASAN: use-after-free Read in ext4_find_extent
run #8: crashed: KASAN: use-after-free Read in ext4_find_extent
run #9: crashed: KASAN: use-after-free Read in ext4_find_extent
representative crash: KASAN: use-after-free Read in ext4_find_extent, types: [KASAN-USE-AFTER-FREE-READ DoS]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [memleak ubsan bug_or_warning locking atomic_sleep hang], they are not needed
testing commit c0665c721df9b82c4652604d24aa91456058230b gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 467256e1ce600aa0023f872ace736f413a586327a52162636214443039081867
run #0: crashed: KASAN: use-after-free Read in ext4_find_extent
run #1: crashed: invalid opcode in ext4_split_extent_at
run #2: crashed: KASAN: use-after-free Read in ext4_find_extent
run #3: crashed: KASAN: use-after-free Read in ext4_find_extent
run #4: crashed: KASAN: use-after-free Read in ext4_find_extent
run #5: crashed: KASAN: use-after-free Read in ext4_find_extent
run #6: crashed: KASAN: use-after-free Read in ext4_find_extent
run #7: crashed: invalid opcode in ext4_split_extent_at
run #8: crashed: KASAN: use-after-free Read in ext4_find_extent
run #9: crashed: KASAN: use-after-free Read in ext4_find_extent
representative crash: KASAN: use-after-free Read in ext4_find_extent, types: [KASAN-USE-AFTER-FREE-READ]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [bug_or_warning locking atomic_sleep hang memleak ubsan], they are not needed
testing commit c0665c721df9b82c4652604d24aa91456058230b gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: c4ac43c30dd6348b3998c84dd9182a9e88d81102e919d22929e3abe30c3871e1
run #0: crashed: KASAN: use-after-free Read in ext4_find_extent
run #1: crashed: invalid opcode in ext4_split_extent_at
run #2: crashed: KASAN: use-after-free Read in ext4_find_extent
run #3: crashed: KASAN: use-after-free Read in ext4_find_extent
run #4: crashed: KASAN: use-after-free Read in ext4_find_extent
run #5: crashed: KASAN: use-after-free Read in ext4_find_extent
run #6: crashed: KASAN: use-after-free Read in ext4_find_extent
run #7: crashed: KASAN: use-after-free Read in ext4_find_extent
run #8: crashed: KASAN: use-after-free Read in ext4_find_extent
run #9: crashed: invalid opcode in ext4_split_extent_at
representative crash: KASAN: use-after-free Read in ext4_find_extent, types: [KASAN-USE-AFTER-FREE-READ]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [ubsan bug_or_warning locking atomic_sleep hang memleak], they are not needed
testing commit c0665c721df9b82c4652604d24aa91456058230b gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building c0665c721df9b82c4652604d24aa91456058230b: 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 50 configs; suspects: [HAVE_CLK 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 ZEROPLUS_FF]
disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed
testing current HEAD 677df45c057f3441eddc71970d7dc8411917eaac
testing commit 677df45c057f3441eddc71970d7dc8411917eaac gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 677df45c057f3441eddc71970d7dc8411917eaac: 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: 1h22m13.576867902s (build: 25m29.142164584s, test: 46m53.991043615s)
crash still not fixed or there were kernel test errors
commit msg: ANDROID: GKI: update symbol list for xiaomi
crash: failed building 677df45c057f3441eddc71970d7dc8411917eaac: 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'