ci2 starts bisection 2025-10-23 21:44:29.41555059 +0000 UTC m=+100328.232928671 bisecting fixing commit since c750dc582629811994978507b7055b679be149f0 building syzkaller on 32a0e5edfeef60e894c453dc9e9ae45528626ef1 ensuring issue is reproducible on original commit c750dc582629811994978507b7055b679be149f0 testing commit c750dc582629811994978507b7055b679be149f0 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 3d5c77841b96b729bd9c4bfa3a9b531db9cfdafa196cd620cc07acb5f0b8ed65 run #0: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error run #1: crashed: kernel panic: EXT4-fs (device loop6): panic forced after error run #2: crashed: kernel panic: EXT4-fs (device loop6): panic forced after error run #3: crashed: kernel panic: EXT4-fs (device loop1): panic forced after error run #4: crashed: kernel panic: EXT4-fs (device loop5): 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 loop6): panic forced after error run #7: crashed: kernel panic: EXT4-fs (device loop1): panic forced after error run #8: crashed: kernel panic: EXT4-fs (device loop1): panic forced after error run #9: crashed: kernel panic: EXT4-fs (device loop1): 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 loop3): panic forced after error run #12: crashed: kernel panic: EXT4-fs (device loop3): panic forced after error run #13: crashed: kernel panic: EXT4-fs (device loop5): 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 loop4): panic forced after error run #16: crashed: kernel panic: EXT4-fs (device loop5): panic forced after error run #17: crashed: kernel panic: EXT4-fs (device loop3): panic forced after error run #18: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error run #19: crashed: kernel panic: EXT4-fs (device loop5): panic forced after error representative crash: kernel panic: EXT4-fs (device loop0): panic forced after error, types: [DoS] check whether we can drop unnecessary instrumentation disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan locking], they are not needed testing commit c750dc582629811994978507b7055b679be149f0 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 67714923ffe10f5c01ebc2b13250992182213a6bf79de5cc622cd9a90dad6f89 run #0: crashed: kernel panic: EXT4-fs (device loop1): panic forced after error run #1: crashed: kernel panic: EXT4-fs (device loop5): panic forced after error run #2: crashed: kernel panic: EXT4-fs (device loop2): panic forced after error run #3: crashed: kernel panic: EXT4-fs (device loop1): panic forced after error run #4: crashed: kernel panic: EXT4-fs (device loop5): panic forced after error run #5: crashed: kernel panic: EXT4-fs (device loop1): panic forced after error run #6: crashed: kernel panic: EXT4-fs (device loop2): panic forced after error run #7: crashed: kernel panic: EXT4-fs (device loop3): panic forced after error run #8: crashed: kernel panic: EXT4-fs (device loop5): panic forced after error run #9: crashed: kernel panic: EXT4-fs (device loop1): panic forced after error representative crash: kernel panic: EXT4-fs (device loop1): panic forced after error, types: [DoS] the bug reproduces without the instrumentation disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed kconfig minimization: base=5186 full=6556 leaves diff=265 split chunks (needed=false): <265> split chunk #0 of len 265 into 5 parts testing without sub-chunk 1/5 disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan locking], they are not needed testing commit c750dc582629811994978507b7055b679be149f0 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: fa87eb9f881c8ebc0298c94ea279c7da66701377f389c36108c5a0f042d497f1 run #0: crashed: kernel panic: EXT4-fs (device loop0): panic forced after error run #1: crashed: kernel panic: EXT4-fs (device loop4): panic forced after error run #2: crashed: kernel panic: EXT4-fs (device loop6): panic forced after error run #3: crashed: kernel panic: EXT4-fs (device loop3): panic forced after error run #4: crashed: kernel panic: EXT4-fs (device loop1): panic forced after error run #5: crashed: kernel panic: EXT4-fs (device loop5): panic forced after error run #6: crashed: kernel panic: EXT4-fs (device loop4): 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 loop2): panic forced after error run #9: crashed: kernel panic: EXT4-fs (device loop6): panic forced after error representative crash: kernel panic: EXT4-fs (device loop0): panic forced after error, types: [DoS] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed testing commit c750dc582629811994978507b7055b679be149f0 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: c7eb810f8381a81f41c6a6ddcd8ad095265f49668f56c7a1d4c8cb2e70e4117f run #0: crashed: kernel panic: EXT4-fs (device loop6): panic forced after error run #1: crashed: kernel panic: EXT4-fs (device loop5): 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 loop2): panic forced after error run #4: crashed: kernel panic: EXT4-fs (device loop5): panic forced after error run #5: crashed: kernel panic: EXT4-fs (device loop6): panic forced after error run #6: crashed: kernel panic: EXT4-fs (device loop6): panic forced after error run #7: crashed: kernel panic: EXT4-fs (device loop1): panic forced after error run #8: crashed: kernel panic: EXT4-fs (device loop2): panic forced after error run #9: crashed: kernel panic: EXT4-fs (device loop4): panic forced after error representative crash: kernel panic: EXT4-fs (device loop6): panic forced after error, types: [DoS] 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 c750dc582629811994978507b7055b679be149f0 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 7b3b08934c82dc0f949a02975af739e639a4410d676e8034df899deeff21591f run #0: crashed: kernel panic: EXT4-fs (device loop5): panic forced after error run #1: crashed: kernel panic: EXT4-fs (device loop1): panic forced after error run #2: crashed: kernel panic: EXT4-fs (device loop2): 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 loop2): panic forced after error run #5: crashed: kernel panic: EXT4-fs (device loop4): panic forced after error run #6: crashed: kernel panic: EXT4-fs (device loop6): panic forced after error run #7: crashed: kernel panic: EXT4-fs (device loop4): 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 loop1): panic forced after error representative crash: kernel panic: EXT4-fs (device loop5): panic forced after error, types: [DoS] 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 c750dc582629811994978507b7055b679be149f0 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 590e19baf7daf871c896520f0126278be7f20ccbe432d420fe21ed5ff31df9f8 run #0: crashed: kernel panic: EXT4-fs (device loop6): 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 loop6): panic forced after error run #3: crashed: kernel panic: EXT4-fs (device loop3): panic forced after error run #4: crashed: kernel panic: EXT4-fs (device loop4): panic forced after error run #5: crashed: kernel panic: EXT4-fs (device loop2): panic forced after error run #6: crashed: kernel panic: EXT4-fs (device loop5): panic forced after error run #7: crashed: kernel panic: EXT4-fs (device loop3): 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 loop6): panic forced after error representative crash: kernel panic: EXT4-fs (device loop6): panic forced after error, types: [DoS] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [hang memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed testing commit c750dc582629811994978507b7055b679be149f0 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 failed building c750dc582629811994978507b7055b679be149f0: 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 53 configs; suspects: [HID_ZEROPLUS USB_MON 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 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 kasan locking atomic_sleep], they are not needed testing current HEAD 22c0b7236c43dfcea893a99fc11dc7d35a518341 testing commit 22c0b7236c43dfcea893a99fc11dc7d35a518341 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 53819e59e29dc4e06bdee260f862e8e2cff1944ee5ea46d973658e64b46beb0f run #0: crashed: kernel panic: EXT4-fs (device loop5): panic forced after error run #1: crashed: kernel panic: EXT4-fs (device loop3): panic forced after error run #2: crashed: kernel panic: EXT4-fs (device loop1): 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 loop3): panic forced after error run #5: crashed: kernel panic: EXT4-fs (device loop4): 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 loop4): panic forced after error run #8: crashed: kernel panic: EXT4-fs (device loop5): panic forced after error run #9: crashed: kernel panic: EXT4-fs (device loop2): panic forced after error representative crash: kernel panic: EXT4-fs (device loop5): panic forced after error, types: [DoS] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 1h22m48.032635854s (build: 42m37.050900691s, test: 34m18.208804606s) crash still not fixed or there were kernel test errors commit msg: ANDROID: PM: Fix suspend spinlock in IRQ context crash: kernel panic: EXT4-fs (device loop5): panic forced after error EXT4-fs error (device loop5): ext4_get_branch:178: inode #13: block 2: comm syz.5.18: invalid block Kernel panic - not syncing: EXT4-fs (device loop5): panic forced after error Kernel Offset: disabled Rebooting in 86400 seconds..