ci2 starts bisection 2026-09-01 18:44:53.906128148 +0000 UTC m=+28783.291489133
bisecting fixing commit since 92668decd5e08edc7a6c138256abd2c37c4970f2
building syzkaller on e611ffe1caa28a0228c8f3642cc768f0dba3dd0c
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: 0a9b544ccb0b0119f84435559da25cb220fbc7e2f334d9e513b40ef8fb6cc25d
run #0: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #1: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #2: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #3: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #4: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #5: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #6: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #7: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #8: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock
run #9: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #10: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #11: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #12: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #13: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #14: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #15: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #16: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #17: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #18: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #19: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
representative crash: KASAN: use-after-free Read in ext4_convert_inline_data_nolock, types: [KASAN-USE-AFTER-FREE-READ]
check whether we can drop unnecessary instrumentation
disabling configs for [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: 01e227ac8b51a440ddd512a86ed689eebdb0da40f5bdb61135fe078e9c013668
run #0: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #1: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #2: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock
run #3: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #4: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #5: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #6: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #7: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #8: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #9: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
representative crash: KASAN: use-after-free Read in ext4_convert_inline_data_nolock, types: [KASAN-USE-AFTER-FREE-READ]
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=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 [ubsan bug_or_warning locking atomic_sleep hang memleak], 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: 2592247a666ceca86aba0fadf81108d7335cd3572e981ea142841cf572a86354
run #0: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #1: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #2: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #3: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #4: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #5: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #6: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #7: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock
run #8: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock
run #9: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
representative crash: KASAN: use-after-free Read in ext4_convert_inline_data_nolock, types: [KASAN-USE-AFTER-FREE-READ]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [memleak ubsan bug_or_warning locking atomic_sleep hang], 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: a82deb6c438efc4995376c3724e08bcfc4d9d74d691e19eecb9aca859bb8dd82
run #0: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #1: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #2: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #3: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #4: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock
run #5: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #6: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #7: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #8: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock
run #9: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock
representative crash: KASAN: use-after-free Read in ext4_convert_inline_data_nolock, types: [KASAN-USE-AFTER-FREE-READ KASAN-READ]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [hang memleak ubsan bug_or_warning 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: 7f5be2c8750bf864ee5b31120c571acd3331d3cb0458ad56c47e9e3a7da9d2db
run #0: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #1: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #2: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #3: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock
run #4: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #5: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #6: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #7: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #8: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #9: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
representative crash: KASAN: use-after-free Read in ext4_convert_inline_data_nolock, types: [KASAN-USE-AFTER-FREE-READ]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [hang memleak ubsan bug_or_warning 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: 083e349db7fea36ac1fd681303537bc2f79594d2b90f0f43c170c88646ab4c9f
run #0: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #1: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #2: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock
run #3: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #4: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #5: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #6: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
run #7: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock
run #8: crashed: KASAN: slab-out-of-bounds Read in ext4_convert_inline_data_nolock
run #9: crashed: KASAN: use-after-free Read in ext4_convert_inline_data_nolock
representative crash: KASAN: use-after-free Read in ext4_convert_inline_data_nolock, types: [KASAN-USE-AFTER-FREE-READ KASAN-READ]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [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
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 [ubsan bug_or_warning locking atomic_sleep hang memleak], they are not needed
testing current HEAD 7792ca1167d91852ed7f06e88ad9909b82719486
testing commit 7792ca1167d91852ed7f06e88ad9909b82719486 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 7792ca1167d91852ed7f06e88ad9909b82719486: ......+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: 1h30m37.771087004s (build: 34m47.065325322s, test: 45m57.361048391s)
crash still not fixed or there were kernel test errors
commit msg: UPSTREAM: nfc: llcp: bound the connect_sn TLV walk to the skb
crash: failed building 7792ca1167d91852ed7f06e88ad9909b82719486: ......+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'