ci2 starts bisection 2024-04-13 07:53:28.85948673 +0000 UTC m=+62177.138266302 bisecting fixing commit since 92432f07d6635531a982c0d4c7ea1274915aac67 building syzkaller on 578f753887693e1375d17cf79dc1c575f6032a5d ensuring issue is reproducible on original commit 92432f07d6635531a982c0d4c7ea1274915aac67 testing commit 92432f07d6635531a982c0d4c7ea1274915aac67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 505b52c979d0434f67e3d8975cc8f0151b6125d4ccff54c00838f559427c7e85 run #0: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #1: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #2: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #3: crashed: UBSAN: array-index-out-of-bounds in bpf_bprintf_prepare run #4: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #5: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #6: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #7: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #8: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #9: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #10: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #11: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #12: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #13: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #14: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #15: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #16: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #17: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #18: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #19: crashed: BUG: scheduling while atomic in rcu_boost_kthread representative crash: BUG: scheduling while atomic in rcu_boost_kthread, types: [ATOMIC_SLEEP] check whether we can drop unnecessary instrumentation disabling configs for [LOCKDEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 92432f07d6635531a982c0d4c7ea1274915aac67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 15fd319df25abdb4db66e5aa7ff85d07e6467cb2f6d95013880171fedc291e65 run #0: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #1: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #2: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #3: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #4: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #5: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #6: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #7: OK run #8: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #9: OK representative crash: BUG: scheduling while atomic in rcu_boost_kthread, types: [ATOMIC_SLEEP] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP HANG], they are not needed kconfig minimization: base=5179 full=6492 leaves diff=255 split chunks (needed=false): <255> split chunk #0 of len 255 into 5 parts testing without sub-chunk 1/5 disabling configs for [UBSAN BUG KASAN LOCKDEP HANG LEAK], they are not needed testing commit 92432f07d6635531a982c0d4c7ea1274915aac67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: df63c7c672b448edcd2035b42b40296744b835b08b6ed240f68ce0ddde6fd011 all runs: crashed: BUG: scheduling while atomic in rcu_boost_kthread representative crash: BUG: scheduling while atomic in rcu_boost_kthread, types: [ATOMIC_SLEEP] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [BUG KASAN LOCKDEP HANG LEAK UBSAN], they are not needed testing commit 92432f07d6635531a982c0d4c7ea1274915aac67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 38ef863be634bf53d0250686e3fc9397e7f5d90be18738a29c6246c13991c02d run #0: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #1: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #2: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #3: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #4: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #5: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #6: OK run #7: OK run #8: OK run #9: OK representative crash: BUG: scheduling while atomic in rcu_boost_kthread, types: [ATOMIC_SLEEP] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN BUG KASAN LOCKDEP HANG LEAK], they are not needed testing commit 92432f07d6635531a982c0d4c7ea1274915aac67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 60072ffb7f7419e4a2fd6d45fe046d1db4e084c73f84a84cc84ced650324fc63 run #0: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #1: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #2: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #3: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: BUG: scheduling while atomic in rcu_boost_kthread, types: [ATOMIC_SLEEP] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [BUG KASAN LOCKDEP HANG LEAK UBSAN], they are not needed testing commit 92432f07d6635531a982c0d4c7ea1274915aac67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5677ac46fa3a42040e98b0d31f7fadf72a4532b4ddcfccce779600b69686d20f run #0: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #1: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #2: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #3: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #4: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #5: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #6: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #7: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #8: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #9: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #10: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: BUG: scheduling while atomic in rcu_boost_kthread, types: [ATOMIC_SLEEP] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [BUG KASAN LOCKDEP HANG LEAK UBSAN], they are not needed testing commit 92432f07d6635531a982c0d4c7ea1274915aac67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 92432f07d6635531a982c0d4c7ea1274915aac67: net/socket.c:1242: undefined reference to `wext_handle_ioctl' net/socket.c:3437: undefined reference to `compat_wext_handle_ioctl' net/core/net-procfs.c:329: undefined reference to `wext_proc_init' net/core/net-procfs.c:345: undefined reference to `wext_proc_exit' minimized to 51 configs; suspects: [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 X86_X32_ABI ZEROPLUS_FF] disabling configs for [KASAN LOCKDEP HANG LEAK UBSAN BUG], they are not needed testing current HEAD cfa154389a656247d15205f7e01a0b10912183bd testing commit cfa154389a656247d15205f7e01a0b10912183bd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 876a976777c5b3c365fe198d16e2c58e2ae70f5ecccbe0681abada8d7ec4cee9 run #0: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #1: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #2: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #3: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #4: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #5: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #6: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #7: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #8: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #9: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #10: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #11: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #12: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #13: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #14: crashed: BUG: scheduling while atomic in rcu_boost_kthread run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: BUG: scheduling while atomic in rcu_boost_kthread, types: [ATOMIC_SLEEP] crash still not fixed/happens on the oldest tested release reproducer is flaky (0.55 repro chance estimate) revisions tested: 7, total time: 2h9m58.602671669s (build: 25m41.382861275s, test: 1h41m34.049483324s) crash still not fixed or there were kernel test errors commit msg: ANDROID: GKI: Update honda symbol list for asound crash: BUG: scheduling while atomic in rcu_boost_kthread BUG: scheduling while atomic: rcub/0/15/0x00000002 Modules linked in: Preemption disabled at: [] schedule+0x4d/0xc0 kernel/sched/core.c:6804 CPU: 0 PID: 15 Comm: rcub/0 Not tainted 6.1.75-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x68/0x91 lib/dump_stack.c:106 dump_stack+0x10/0x19 lib/dump_stack.c:113 __schedule_bug+0xcf/0x100 kernel/sched/core.c:5960 schedule_debug kernel/sched/core.c:5987 [inline] __schedule+0x4a9/0x6e0 kernel/sched/core.c:6622 schedule+0x54/0xc0 kernel/sched/core.c:6805 rcu_boost_kthread+0x75/0x300 kernel/rcu/tree_plugin.h:1120 kthread+0xda/0xf0 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306