ci2 starts bisection 2026-08-26 11:07:50.635459486 +0000 UTC m=+39161.887788545
bisecting fixing commit since 92668decd5e08edc7a6c138256abd2c37c4970f2
building syzkaller on 4a865b71e7ab56e9ef4e2be30b8a5c4cb97a0adb
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: f19870cf78cf28247d8f8f242aae0c008f802b1dd5111017a0ba0bc843ac7b1b
run #0: crashed: KASAN: use-after-free Read in pick_link
run #1: crashed: KASAN: use-after-free Read in current_time
run #2: crashed: KASAN: use-after-free Read in link_path_walk
run #3: crashed: KASAN: use-after-free Read in link_path_walk
run #4: crashed: KASAN: use-after-free Read in atime_needs_update
run #5: crashed: KASAN: use-after-free Read in security_inode_follow_link
run #6: crashed: KASAN: use-after-free Read in pick_link
run #7: crashed: KASAN: use-after-free Read in pick_link
run #8: crashed: KASAN: use-after-free Read in pick_link
run #9: crashed: KASAN: use-after-free Read in pick_link
run #10: crashed: KASAN: use-after-free Read in link_path_walk
run #11: crashed: KASAN: use-after-free Read in security_inode_follow_link
run #12: crashed: KASAN: use-after-free Read in link_path_walk
run #13: crashed: KASAN: use-after-free Read in atime_needs_update
run #14: crashed: KASAN: use-after-free Read in link_path_walk
run #15: crashed: KASAN: use-after-free Read in pick_link
run #16: crashed: KASAN: use-after-free Read in link_path_walk
run #17: crashed: KASAN: use-after-free Read in atime_needs_update
run #18: crashed: KASAN: use-after-free Read in pick_link
run #19: crashed: KASAN: use-after-free Read in pick_link
representative crash: KASAN: use-after-free Read in pick_link, types: [KASAN-USE-AFTER-FREE-READ]
check whether we can drop unnecessary instrumentation
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: 84fae3a50a6df0415dfc5e515aa84b7973607262fec241e70b47950c21e2eec0
run #0: crashed: KASAN: use-after-free Read in atime_needs_update
run #1: crashed: KASAN: use-after-free Read in link_path_walk
run #2: crashed: KASAN: use-after-free Read in atime_needs_update
run #3: crashed: KASAN: use-after-free Read in atime_needs_update
run #4: crashed: KASAN: use-after-free Read in selinux_inode_follow_link
run #5: crashed: KASAN: use-after-free Read in pick_link
run #6: crashed: KASAN: use-after-free Read in link_path_walk
run #7: crashed: KASAN: use-after-free Read in atime_needs_update
run #8: crashed: KASAN: use-after-free Read in link_path_walk
run #9: crashed: KASAN: use-after-free Read in pick_link
representative crash: KASAN: use-after-free Read in atime_needs_update, types: [KASAN-USE-AFTER-FREE-READ]
the bug reproduces without the instrumentation
disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], 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 [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: e27fdf1b089eafcc338a5abc031532966359a7be57b05c480e6d161b31913ba9
run #0: crashed: KASAN: use-after-free Read in atime_needs_update
run #1: crashed: KASAN: use-after-free Read in link_path_walk
run #2: crashed: KASAN: use-after-free Read in link_path_walk
run #3: basic kernel testing failed: lost connection to test machine
run #4: crashed: KASAN: use-after-free Read in link_path_walk
run #5: crashed: KASAN: use-after-free Read in link_path_walk
run #6: crashed: KASAN: use-after-free Read in pick_link
run #7: crashed: KASAN: use-after-free Read in link_path_walk
run #8: crashed: KASAN: use-after-free Read in link_path_walk
run #9: crashed: KASAN: use-after-free Read in atime_needs_update
representative crash: KASAN: use-after-free Read in atime_needs_update, types: [KASAN-USE-AFTER-FREE-READ]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning locking], 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: f79e0ab1b46e750aec4f9ccddaa902aadada8c9d9693d4d84511583dc1003182
run #0: crashed: KASAN: use-after-free Read in pick_link
run #1: crashed: KASAN: use-after-free Read in link_path_walk
run #2: crashed: KASAN: use-after-free Read in pick_link
run #3: crashed: KASAN: use-after-free Read in link_path_walk
run #4: crashed: KASAN: use-after-free Read in atime_needs_update
run #5: crashed: KASAN: use-after-free Read in atime_needs_update
run #6: crashed: KASAN: use-after-free Read in atime_needs_update
run #7: crashed: KASAN: use-after-free Read in selinux_inode_follow_link
run #8: crashed: KASAN: use-after-free Read in atime_needs_update
run #9: crashed: KASAN: use-after-free Read in link_path_walk
representative crash: KASAN: use-after-free Read in pick_link, types: [KASAN-USE-AFTER-FREE-READ]
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 92668decd5e08edc7a6c138256abd2c37c4970f2 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 722d70ee1c3308df705bc57147f4228b0e715651dae20a6c942c42bf51265957
run #0: crashed: KASAN: use-after-free Read in link_path_walk
run #1: crashed: KASAN: use-after-free Read in link_path_walk
run #2: crashed: KASAN: use-after-free Read in link_path_walk
run #3: crashed: KASAN: use-after-free Read in pick_link
run #4: crashed: KASAN: use-after-free Read in pick_link
run #5: crashed: KASAN: use-after-free Read in pick_link
run #6: crashed: KASAN: use-after-free Read in link_path_walk
run #7: crashed: KASAN: use-after-free Read in atime_needs_update
run #8: crashed: KASAN: use-after-free Read in link_path_walk
run #9: crashed: KASAN: use-after-free Read in pick_link
representative crash: KASAN: use-after-free Read in link_path_walk, types: [KASAN-USE-AFTER-FREE-READ]
the chunk can be dropped
testing without sub-chunk 4/5
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: b1a7e7f58ab107164005b04a68937a1ca502cfceada856040052c4312c6ab00d
run #0: crashed: KASAN: use-after-free Read in atime_needs_update
run #1: crashed: KASAN: use-after-free Read in pick_link
run #2: crashed: KASAN: use-after-free Read in link_path_walk
run #3: crashed: KASAN: use-after-free Read in link_path_walk
run #4: crashed: KASAN: use-after-free Read in atime_needs_update
run #5: crashed: KASAN: use-after-free Read in atime_needs_update
run #6: crashed: KASAN: use-after-free Read in pick_link
run #7: crashed: KASAN: use-after-free Read in atime_needs_update
run #8: crashed: KASAN: use-after-free Read in selinux_inode_follow_link
run #9: crashed: KASAN: use-after-free Read in selinux_inode_follow_link
representative crash: KASAN: use-after-free Read in atime_needs_update, types: [KASAN-USE-AFTER-FREE-READ]
the chunk can be dropped
testing without sub-chunk 5/5
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
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 [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing current HEAD 4462f10edf18e66e225f94e9dbd56bee6011c4df
testing commit 4462f10edf18e66e225f94e9dbd56bee6011c4df gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 4462f10edf18e66e225f94e9dbd56bee6011c4df: 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: 1h30m23.780726934s (build: 26m7.009992157s, test: 53m6.636047343s)
crash still not fixed or there were kernel test errors
commit msg: ANDROID: GKI: update symbol list file for xiaomi
crash: failed building 4462f10edf18e66e225f94e9dbd56bee6011c4df: 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'