ci2 starts bisection 2023-09-10 16:39:54.634104169 +0000 UTC m=+181782.907428832 bisecting fixing commit since 2f3918bc53fb998fdeed8683ddc61194ceb84edf building syzkaller on 49519f067f7fc9bfbf869e6851a4d398a9f7863f ensuring issue is reproducible on original commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 263e5bb73c886ca84c960508ddd0f39d2f66c00f5a70cc2650359de96c3e5875 run #0: crashed: possible deadlock in bpf_trace_printk run #1: crashed: possible deadlock in bpf_trace_printk run #2: crashed: possible deadlock in bpf_trace_printk run #3: crashed: possible deadlock in bpf_trace_printk run #4: crashed: possible deadlock in bpf_trace_printk run #5: crashed: possible deadlock in bpf_trace_printk run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: possible deadlock in bpf_trace_printk run #8: crashed: possible deadlock in bpf_trace_printk run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: possible deadlock in bpf_trace_printk run #11: crashed: INFO: rcu detected stall in corrupted run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: INFO: rcu detected stall in corrupted run #14: crashed: INFO: rcu detected stall in corrupted run #15: crashed: INFO: rcu detected stall in corrupted run #16: crashed: INFO: rcu detected stall in corrupted run #17: crashed: INFO: rcu detected stall in corrupted run #18: crashed: INFO: rcu detected stall in corrupted run #19: crashed: INFO: rcu detected stall in corrupted representative crash: INFO: rcu detected stall in corrupted, types: [HANG LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 21243b45b37604d3792145ec3e7ea2a1445c3ae278bfff202219e0b2c4209baf run #0: crashed: possible deadlock in bpf_trace_printk run #1: crashed: possible deadlock in bpf_trace_printk run #2: crashed: possible deadlock in bpf_trace_printk run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted representative crash: INFO: rcu detected stall in corrupted, types: [HANG LOCKDEP] the bug reproduces without the instrumentation disabling configs for [BUG KASAN ATOMIC_SLEEP LEAK UBSAN], they are not needed kconfig minimization: base=3820 full=7523 leaves diff=1994 split chunks (needed=false): <1994> split chunk #0 of len 1994 into 5 parts testing without sub-chunk 1/5 disabling configs for [UBSAN BUG KASAN ATOMIC_SLEEP LEAK], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 68dc9af2d9ddd52b05af3112f29e90ef7728ed0f65bb59f64dd5c5546d506462 run #0: crashed: possible deadlock in bpf_trace_printk run #1: crashed: possible deadlock in bpf_trace_printk run #2: crashed: possible deadlock in bpf_trace_printk run #3: crashed: possible deadlock in bpf_trace_printk run #4: crashed: possible deadlock in bpf_trace_printk run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted representative crash: possible deadlock in bpf_trace_printk, types: [LOCKDEP HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 95d649b4b3657258f623e7dddc91b913865c3713066c9149bae6c79d49b55241 run #0: crashed: possible deadlock in bpf_trace_printk run #1: crashed: possible deadlock in bpf_trace_printk run #2: crashed: possible deadlock in bpf_trace_printk run #3: crashed: possible deadlock in bpf_trace_printk run #4: crashed: possible deadlock in bpf_trace_printk run #5: crashed: possible deadlock in bpf_trace_printk run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted representative crash: possible deadlock in bpf_trace_printk, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [BUG KASAN ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7d8309dd42005e6a1d8814bf1ea958e680a3f345feea9bb091357128975d9f6f all runs: crashed: possible deadlock in bpf_trace_printk representative crash: possible deadlock in bpf_trace_printk, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 147d88200867c99ce0527a12e7c9d3dc1e29d0329c0ef88f2e7c8752ad5988a2 all runs: crashed: possible deadlock in bpf_trace_printk representative crash: possible deadlock in bpf_trace_printk, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5e41b0fafb285f5adbe03802492027155840423a91e9597be5bc2fadc104d3f6 all runs: OK false negative chance: 0.000 minimized to 398 configs; suspects: [ARCH_ENABLE_MEMORY_HOTREMOVE ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DVB_CORE EXTCON FB GPIOLIB HID_ZEROPLUS I2C_MUX IIO IRQ_REMAP KVM KVM_INTEL LIBNVDIMM MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_VIPERBOARD PARPORT PCCARD PCMCIA PHONET RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RC_CORE RFKILL SND SOUND SPI SSB TAP TARGET_CORE TUN USB_AMD5536UDC USB_ATM USB_CONFIGFS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2 USB_DWC2_HOST USB_DWC2_PCI USB_DWC3 USB_DWC3_GADGET USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_HCD_PLATFORM USB_EHCI_ROOT_HUB_TT USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_FOTG210_HCD USB_FOTG210_UDC USB_FTDI_ELAN USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_NCM USB_F_OBEX USB_F_PHONET USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_GPIO_VBUS USB_GR_UDC 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USB_ISP1760_DUAL_ROLE USB_ISP1760_HCD USB_ISP1761_UDC USB_KAWETH USB_KC2190 USB_KEENE USB_LAN78XX USB_LCD USB_LD USB_LEDS_TRIGGER_USBPORT USB_LED_TRIG USB_LEGOTOWER USB_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_M5602 USB_MA901 USB_MAX3421_HCD USB_MDC800 USB_MICROTEK USB_MR800 USB_MSI2500 USB_MUSB_DUAL_ROLE USB_MUSB_HDRC USB_MV_U3D USB_MV_UDC USB_NET2272 USB_NET2272_DMA USB_NET2280 USB_NET_AX88179_178A USB_NET_AX8817X USB_NET_CDCETHER USB_NET_CDC_EEM USB_NET_CDC_MBIM USB_NET_CDC_NCM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_CH9200 USB_NET_CX82310_ETH USB_NET_DM9601 USB_NET_GL620A USB_NET_HUAWEI_CDC_NCM USB_NET_INT51X1 USB_NET_KALMIA USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_QMI_WWAN USB_NET_RNDIS_HOST USB_NET_RNDIS_WLAN USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_OXU210HP_HCD USB_PEGASUS USB_PULSE8_CEC USB_PWC USB_PWC_INPUT_EVDEV USB_PXA27X USB_R8A66597 USB_R8A66597_HCD USB_RAINSHADOW_CEC USB_RAREMONO USB_RAW_GADGET USB_RTL8150 USB_RTL8152 USB_RTL8153_ECM USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 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_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_U132_HCD USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VDPA_USER VETH VFIO VFIO_IOMMU_TYPE1 VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_VDPA VHOST_VSOCK VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_STK1160_COMMON VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_PURELIFI WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_X2APIC X86_X32_ABI XARRAY_MULTI XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XFS_SUPPORT_V4 XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZBUD ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_ZPOOL_DEFAULT_ZBUD] disabling configs for [UBSAN BUG KASAN ATOMIC_SLEEP LEAK], they are not needed testing current HEAD 59b13c2b647e464dd85622c89d7f16c15d681e96 testing commit 59b13c2b647e464dd85622c89d7f16c15d681e96 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2e6eb988ce67e547280e76295eadcbde4b80d72e378ba477b59e280a2145fd02 run #0: crashed: possible deadlock in bpf_trace_printk run #1: crashed: possible deadlock in bpf_trace_printk run #2: crashed: possible deadlock in bpf_trace_printk run #3: crashed: possible deadlock in bpf_trace_printk run #4: crashed: possible deadlock in bpf_trace_printk run #5: crashed: possible deadlock in bpf_trace_printk run #6: crashed: possible deadlock in bpf_trace_printk run #7: crashed: possible deadlock in bpf_trace_printk run #8: crashed: possible deadlock in bpf_trace_printk run #9: crashed: no output from test machine representative crash: possible deadlock in bpf_trace_printk, types: [LOCKDEP] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 1h37m54.278783788s (build: 43m41.906836069s, test: 51m40.997778426s) crash still not fixed or there were kernel test errors commit msg: Linux 6.1.52 crash: possible deadlock in bpf_trace_printk ============================================ WARNING: possible recursive locking detected 6.1.52-syzkaller #0 Not tainted -------------------------------------------- syz-executor.2/3186 is trying to acquire lock: ffffffff8319a6a8 (trace_printk_lock){..-.}-{2:2}, at: ____bpf_trace_printk kernel/trace/bpf_trace.c:390 [inline] ffffffff8319a6a8 (trace_printk_lock){..-.}-{2:2}, at: bpf_trace_printk+0x5f/0x130 kernel/trace/bpf_trace.c:376 but task is already holding lock: ffffffff8319a6a8 (trace_printk_lock){..-.}-{2:2}, at: ____bpf_trace_printk kernel/trace/bpf_trace.c:390 [inline] ffffffff8319a6a8 (trace_printk_lock){..-.}-{2:2}, at: bpf_trace_printk+0x5f/0x130 kernel/trace/bpf_trace.c:376 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(trace_printk_lock); lock(trace_printk_lock); *** DEADLOCK *** May be due to missing lock nesting notation 4 locks held by syz-executor.2/3186: #0: ffff88811cc39448 (&child->perf_event_mutex){+.+.}-{3:3}, at: perf_event_exit_task+0x30/0x330 kernel/events/core.c:12977 #1: ffffffff83186d20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 include/trace/events/initcall.h:48 #2: ffffffff8319a6a8 (trace_printk_lock){..-.}-{2:2}, at: ____bpf_trace_printk kernel/trace/bpf_trace.c:390 [inline] #2: ffffffff8319a6a8 (trace_printk_lock){..-.}-{2:2}, at: bpf_trace_printk+0x5f/0x130 kernel/trace/bpf_trace.c:376 #3: ffffffff83186d20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 include/trace/events/initcall.h:48 stack backtrace: CPU: 1 PID: 3186 Comm: syz-executor.2 Not tainted 6.1.52-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x89/0xd7 lib/dump_stack.c:106 __lock_acquire+0x73d/0x2830 lock_acquire+0xe3/0x270 kernel/locking/lockdep.c:5661 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x5d/0x90 kernel/locking/spinlock.c:162 ____bpf_trace_printk kernel/trace/bpf_trace.c:390 [inline] bpf_trace_printk+0x5f/0x130 kernel/trace/bpf_trace.c:376 ___bpf_prog_run+0x816/0x1b10 kernel/bpf/core.c:1819 __bpf_prog_run32+0xb7/0xe0 kernel/bpf/core.c:2040 bpf_dispatcher_nop_func include/linux/bpf.h:974 [inline] __bpf_prog_run include/linux/filter.h:600 [inline] bpf_prog_run include/linux/filter.h:607 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2275 [inline] bpf_trace_run2+0x9e/0x160 kernel/trace/bpf_trace.c:2314 __traceiter_contention_end+0x26/0x40 include/trace/events/lock.h:122 trace_contention_end include/trace/events/lock.h:122 [inline] __pv_queued_spin_lock_slowpath+0x468/0x480 kernel/locking/qspinlock.c:560 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x95/0xa0 kernel/locking/spinlock_debug.c:115 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline] _raw_spin_lock_irqsave+0x69/0x90 kernel/locking/spinlock.c:162 ____bpf_trace_printk kernel/trace/bpf_trace.c:390 [inline] bpf_trace_printk+0x5f/0x130 kernel/trace/bpf_trace.c:376 ___bpf_prog_run+0x816/0x1b10 kernel/bpf/core.c:1819 __bpf_prog_run32+0xb7/0xe0 kernel/bpf/core.c:2040 bpf_dispatcher_nop_func include/linux/bpf.h:974 [inline] __bpf_prog_run include/linux/filter.h:600 [inline] bpf_prog_run include/linux/filter.h:607 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2275 [inline] bpf_trace_run2+0x9e/0x160 kernel/trace/bpf_trace.c:2314 __traceiter_contention_end+0x26/0x40 include/trace/events/lock.h:122 trace_contention_end include/trace/events/lock.h:122 [inline] __mutex_lock_common kernel/locking/mutex.c:612 [inline] __mutex_lock+0x808/0x970 kernel/locking/mutex.c:747 perf_event_exit_task+0x30/0x330 kernel/events/core.c:12977 do_exit+0x2e4/0xa30 kernel/exit.c:878 do_group_exit+0x97/0xa0 kernel/exit.c:1019 __do_sys_exit_group kernel/exit.c:1030 [inline] __se_sys_exit_group kernel/exit.c:1028 [inline] __x64_sys_exit_group+0xe/0x10 kernel/exit.c:1028 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f92fd3dd959 Code: Unable to access opcode bytes at 0x7f92fd3dd92f. RSP: 002b:00007ffc531a2038 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f92fd3dd959 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: 00007f92fd4fcf8c R09: 0000000000000000 R10: 0000001b2d160000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000