ci2 starts bisection 2024-06-28 23:32:24.155156832 +0000 UTC m=+35694.653499735
bisecting fixing commit since 274e3e96961da98fd615b0bac6b08c8cd06ad615
building syzkaller on 94b087b1f1dce14942bc35bb35a8f58e57b1fc63
ensuring issue is reproducible on original commit 274e3e96961da98fd615b0bac6b08c8cd06ad615

testing commit 274e3e96961da98fd615b0bac6b08c8cd06ad615 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f97d083b02ed6eb481167741f0425bf6d4bc50346c45bacae9b8b152f3c88325
run #0: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #1: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #2: crashed: BUG: scheduling while atomic in usbhid_close
run #3: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #4: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #5: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #6: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #7: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #8: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #9: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #10: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #11: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #12: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #13: crashed: BUG: scheduling while atomic in msleep
run #14: crashed: BUG: workqueue leaked lock or atomic in bpf_prog_free_deferred
run #15: crashed: BUG: scheduling while atomic in wait_for_common
run #16: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #17: OK
run #18: OK
run #19: OK
representative crash: BUG: scheduling while atomic in exit_to_user_mode_loop, types: [ATOMIC_SLEEP]
check whether we can drop unnecessary instrumentation
disabling configs for [BUG KASAN LOCKDEP HANG LEAK UBSAN], they are not needed
testing commit 274e3e96961da98fd615b0bac6b08c8cd06ad615 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 48f25947bd9f3b0b9b57c9898351c6f4ebed031b5733cd9301b166c4bde49725
run #0: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #1: crashed: BUG: scheduling while atomic in wait_for_common
run #2: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #3: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #4: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #5: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #6: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #7: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #8: crashed: BUG: workqueue leaked lock or atomic in bpf_prog_free_deferred
run #9: OK
representative crash: BUG: scheduling while atomic in exit_to_user_mode_loop, types: [ATOMIC_SLEEP]
the bug reproduces without the instrumentation
disabling configs for [BUG KASAN LOCKDEP HANG LEAK UBSAN], they are not needed
kconfig minimization: base=5179 full=6494 leaves diff=257
split chunks (needed=false): <257>
split chunk #0 of len 257 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP HANG], they are not needed
testing commit 274e3e96961da98fd615b0bac6b08c8cd06ad615 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 353100dfc21f0bc06593a427b7abce7d679fb8afaeef6eff2f21defa5c9d7bee
run #0: crashed: BUG: scheduling while atomic in wait_for_common
run #1: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #2: crashed: BUG: scheduling while atomic in wait_for_common
run #3: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #4: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #5: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #6: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #7: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #8: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #9: OK
representative crash: BUG: scheduling while atomic in wait_for_common, types: [ATOMIC_SLEEP]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [LOCKDEP HANG LEAK UBSAN BUG KASAN], they are not needed
testing commit 274e3e96961da98fd615b0bac6b08c8cd06ad615 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 70c80228e67455567b9c31c8b4b56f8b36fd7271ce6ca558c42d2bc43db5b441
run #0: crashed: lost connection to test machine
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: lost connection to test machine, types: [UNKNOWN]
testing without sub-chunk 3/5
disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit 274e3e96961da98fd615b0bac6b08c8cd06ad615 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0e70b5fe70ac9ae43f822fb55d99d1dcc52aa75893a084922139dbe9a31510d8
run #0: crashed: BUG: scheduling while atomic in do_epoll_wait
run #1: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #2: crashed: BUG: scheduling while atomic in wait_for_common
run #3: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #4: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #5: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #6: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #7: crashed: BUG: scheduling while atomic in usbhid_close
run #8: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #9: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #10: crashed: BUG: scheduling while atomic in wait_for_common
run #11: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
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 do_epoll_wait, types: [ATOMIC_SLEEP]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [UBSAN BUG KASAN LOCKDEP HANG LEAK], they are not needed
testing commit 274e3e96961da98fd615b0bac6b08c8cd06ad615 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 840562dc6737bd94cb4d02093208a35b36d50b1d94882c5501fa0ebed3b19d3e
run #0: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #1: crashed: BUG: scheduling while atomic in kernfs_iop_getattr
run #2: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #3: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #4: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #5: crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns
run #6: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #7: crashed: BUG: scheduling while atomic in kernfs_activate
run #8: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #9: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #10: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #11: OK
run #12: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
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 exit_to_user_mode_loop, types: [ATOMIC_SLEEP]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [UBSAN BUG KASAN LOCKDEP HANG LEAK], they are not needed
testing commit 274e3e96961da98fd615b0bac6b08c8cd06ad615 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
failed building 274e3e96961da98fd615b0bac6b08c8cd06ad615: net/socket.c:1245: undefined reference to `wext_handle_ioctl'
net/socket.c:3442: 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 101 configs; suspects: [COMMON_CLK FB HID_HOLTEK HID_ORTEK HID_PANTHERLORD HID_PENMOUNT HID_PETALYNX HID_PICOLCD_FB HID_PICOLCD_LEDS HID_PID HID_PRIMAX HID_PRODIKEYS HID_RMI HID_SAITEK HID_SAMSUNG HID_SENSOR_CUSTOM_SENSOR HID_SENSOR_HUB HID_SPEEDLINK HID_STEELSERIES HID_SUNPLUS HID_THINGM HID_TIVO HID_TOPSEED HID_TWINHAN HID_WALTOP HID_XINMO HID_ZEROPLUS HID_ZYDACRON HOLTEK_FF HOTPLUG_PCI HWMON HW_CONSOLE I2C_DESIGNWARE_CORE I2C_DESIGNWARE_PLATFORM I2C_MUX INPUT_JOYSTICK INPUT_LEDS INPUT_MOUSE INPUT_TOUCHSCREEN INTEGRITY INTEGRITY_AUDIT JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL LCD_CLASS_DEVICE LOCK_MM_AND_FIND_VMA LOGIG940_FF LOGIRUMBLEPAD2_FF LOGITECH_FF LOGIWHEELS_FF MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_TUNER MFD_CORE NETFILTER_FAMILY_BRIDGE NET_DEVLINK NOP_USB_XCEIV PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PANTHERLORD_FF SND SOUND 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 VT 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing current HEAD c2dad37627f93d4f361ad32fb736fe815176104b
testing commit c2dad37627f93d4f361ad32fb736fe815176104b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 7dbaacd26fc51c51534e0670110e67bd52ad477bc5b9984db976db6ab1eb11b0
run #0: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #1: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #2: crashed: BUG: scheduling while atomic in wait_for_common
run #3: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #4: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #5: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #6: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #7: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #8: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #9: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #10: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
run #11: crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
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 exit_to_user_mode_loop, types: [ATOMIC_SLEEP]
crash still not fixed/happens on the oldest tested release
reproducer is flaky (0.60 repro chance estimate)
revisions tested: 7, total time: 2h27m58.120024163s (build: 54m28.838376077s, test: 1h31m4.66993956s)
crash still not fixed or there were kernel test errors
commit msg: ANDROID: fix kernelci GCC builds of fips140.ko
crash: BUG: scheduling while atomic in exit_to_user_mode_loop
BUG: scheduling while atomic: syz-executor.0/393/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff814e20bc>] free_percpu+0x4c/0x810 mm/percpu.c:2277
CPU: 0 PID: 393 Comm: syz-executor.0 Not tainted 6.1.78-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xb4/0xff lib/dump_stack.c:106
 dump_stack+0x15/0x19 lib/dump_stack.c:113
 __schedule_bug+0xcf/0x100 kernel/sched/core.c:5975
 schedule_debug kernel/sched/core.c:6002 [inline]
 __schedule+0x4cd/0x700 kernel/sched/core.c:6637
 schedule+0x54/0xc0 kernel/sched/core.c:6820
 exit_to_user_mode_loop+0x4e/0xa0 kernel/entry/common.c:159
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f8579a7faba
Code: ff ff ff c3 0f 1f 40 00 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 b0 ff ff ff f7
RSP: 002b:00007ffc2e017d78 EFLAGS: 00000206 ORIG_RAX: 0000000000000036
RAX: 0000000000000000 RBX: 00007ffc2e017e00 RCX: 00007f8579a7faba
RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000000000558 R09: 0079746972756365
R10: 00007f8579b7b920 R11: 0000000000000206 R12: 00007f8579b7b8c0
R13: 00007ffc2e017d9c R14: 0000000000000000 R15: 00007f8579b7cd00
 </TASK>