Process: com.apple.DriverKit.AppleUserECM [90260] Path: /System/Library/DriverExtensions/com.apple.DriverKit.AppleUserECM.dext/com.apple.DriverKit.AppleUserECM Identifier: com.apple.DriverKit.AppleUserECM Version: 1.0 (1) Code Type: ARM-64 (Native) Parent Process: launchd [1] Responsible: com.apple.DriverKit.AppleUserECM [90260] User ID: 270 Date/Time: 2021-02-18 14:01:31.960 +0100 OS Version: macOS 11.2.1 (20D74) Report Version: 12 Anonymous UUID: DD7BA6A1-EE05-4FD5-BBAF-7D817CF1088F Sleep/Wake UUID: 18015BD3-7BC3-4E42-A009-2FF90393132A Time Awake Since Boot: 87000 seconds Time Since Wake: 17000 seconds System Integrity Protection: enabled Crashed Thread: 2 Dispatch queue: AppleUserECM-Default Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000 Exception Note: EXC_CORPSE_NOTIFY Application Specific Information: dyld2 mode stack buffer overflow Thread 0: 0 libsystem_kernel.dylib 0x00000001013a7db0 __sigsuspend_nocancel + 8 1 libdispatch.dylib 0x0000000101279e5c _dispatch_sigsuspend + 48 2 libdispatch.dylib 0x0000000101279e2c _dispatch_sig_thread + 60 Thread 1: 0 libsystem_pthread.dylib 0x000000010146a804 start_wqthread + 0 Thread 2 Crashed:: Dispatch queue: AppleUserECM-Default 0 libsystem_kernel.dylib 0x00000001013a74b4 __pthread_kill + 8 1 libsystem_pthread.dylib 0x00000001014628d4 pthread_kill + 272 2 libsystem_c.dylib 0x0000000101345334 __abort + 116 3 libsystem_c.dylib 0x00000001013294b8 __stack_chk_fail + 96 4 com.apple.DriverKit.AppleUserECM 0x0000000100f037b8 AppleUserECM::handleTxPacketsAvailable() + 948 5 com.apple.DriverKit.AppleUserECM 0x0000000100f033bc AppleUserECM::TxPacketsAvailable_Impl(OSAction*) + 176 6 com.apple.DriverKit 0x0000000100f74aa8 IODataQueueDispatchSource::DataAvailable_Invoke(IORPC, OSMetaClassBase*, void (*)(OSMetaClassBase*, OSAction*), OSMetaClass const*) + 124 7 com.apple.DriverKit.AppleUserECM 0x0000000100f054b0 AppleUserECM::_Dispatch(AppleUserECM*, IORPC) + 1244 8 com.apple.DriverKit.AppleUserECM 0x0000000100f04fc8 AppleUserECM::Dispatch(IORPC) + 40 9 com.apple.DriverKit 0x0000000100f60098 invocation function for block in OSMetaClassBase::Invoke(IORPC) + 168 10 com.apple.DriverKit 0x0000000100f5fc6c OSMetaClassBase::Invoke(IORPC) + 828 11 com.apple.DriverKit 0x0000000100f6057c Server(void*, mach_msg_header_t*, mach_msg_header_t*) + 508 12 com.apple.DriverKit 0x0000000100f61cac uiomachchannel(void*, dispatch_mach_reason_t, dispatch_mach_msg_s*, int) + 156 13 libdispatch.dylib 0x0000000101280314 _dispatch_mach_msg_invoke + 472 14 libdispatch.dylib 0x000000010126e734 _dispatch_lane_serial_drain + 272 15 libdispatch.dylib 0x0000000101281024 _dispatch_mach_invoke + 468 16 libdispatch.dylib 0x000000010126e734 _dispatch_lane_serial_drain + 272 17 libdispatch.dylib 0x000000010126f3ec _dispatch_lane_invoke + 460 18 libdispatch.dylib 0x00000001012705bc _dispatch_workloop_invoke + 1588 19 libdispatch.dylib 0x00000001012794e8 _dispatch_workloop_worker_thread + 708 20 libsystem_pthread.dylib 0x000000010146362c _pthread_wqthread + 276 21 libsystem_pthread.dylib 0x000000010146a80c start_wqthread + 8 Thread 2 crashed with ARM Thread State (64-bit): x0: 0x0000000000000000 x1: 0x0000000000000000 x2: 0x0000000000000000 x3: 0x0000000000000000 x4: 0x000000000000006f x5: 0x000000000000005c x6: 0x0000000000000000 x7: 0x0000000000000000 x8: 0x00000000000005b9 x9: 0x8e1ca4e23c14ea84 x10: 0x0000000000000000 x11: 0x000000000000000c x12: 0x000000000000ba03 x13: 0x00000000ffffe6bb x14: 0x0000000000000028 x15: 0x000000000000196c x16: 0x0000000000000148 x17: 0x000000010146c0a0 x18: 0x0000000000000000 x19: 0x0000000000000006 x20: 0x000000000014d1ab x21: 0x000000016f12f0e0 x22: 0x0000000000000273 x23: 0x00000001018a6800 x24: 0x000000011d808200 x25: 0x000000000000000f x26: 0x0000000000000000 x27: 0x000000016f12db90 x28: 0x0000000000000018 fp: 0x000000016f12d840 lr: 0x00000001014628d4 sp: 0x000000016f12d820 pc: 0x00000001013a74b4 cpsr: 0x40001000 far: 0x0000000101136c20 esr: 0x56000080 Binary Images: 0x100efc000 - 0x100f07fff com.apple.DriverKit.AppleUserECM (1.0 - 1) <24087932-281D-356E-A55E-4519A6224FAC> /System/Library/DriverExtensions/com.apple.DriverKit.AppleUserECM.dext/com.apple.DriverKit.AppleUserECM 0x100f28000 - 0x100f33fff com.apple.NetworkingDriverKit (1.0 - 1) <0FDF5C60-7238-3D62-A9A5-145C96FA0440> /System/DriverKit/System/Library/Frameworks/NetworkingDriverKit.framework/NetworkingDriverKit 0x100f5c000 - 0x100f83fff com.apple.DriverKit (1.0 - ???) /System/DriverKit/System/Library/Frameworks/DriverKit.framework/DriverKit 0x100fc4000 - 0x100fcffff com.apple.USBDriverKit (1.0 - 1) /System/DriverKit/System/Library/Frameworks/USBDriverKit.framework/USBDriverKit 0x100fe8000 - 0x100ffbfff libc++.dylib (904.4) <978CFC40-A086-35DF-81EA-703A7D15974E> /System/DriverKit/usr/lib/libc++.dylib 0x101018000 - 0x10101bfff libmacho.dylib (973.4) /System/DriverKit/usr/lib/system/libmacho.dylib 0x10102c000 - 0x10102ffff libSystem.dylib (1292.60.1) /System/DriverKit/usr/lib/libSystem.dylib 0x101048000 - 0x10104bfff libcompiler_rt.dylib (102.2) <6FB77A0F-75DB-3B06-9A83-908F8BF19065> /System/DriverKit/usr/lib/system/libcompiler_rt.dylib 0x10105c000 - 0x10105ffff libsystem_blocks.dylib (78) /System/DriverKit/usr/lib/system/libsystem_blocks.dylib 0x10106c000 - 0x1010dffff libcorecrypto.dylib (1000.80.5) /System/DriverKit/usr/lib/system/libcorecrypto.dylib 0x101104000 - 0x101117fff libdyld.dylib (832.7.3) /System/DriverKit/usr/lib/system/libdyld.dylib 0x101134000 - 0x10113bfff libsystem_platform.dylib (254.80.2) /System/DriverKit/usr/lib/system/libsystem_platform.dylib 0x101160000 - 0x1011dbfff dyld (832.7.3) <4AB185B3-DC20-3C03-A193-67C0E6C589D7> /usr/lib/dyld 0x101264000 - 0x1012a3fff libdispatch.dylib (1271.40.12) /System/DriverKit/usr/lib/system/libdispatch.dylib 0x1012dc000 - 0x10134bfff libsystem_c.dylib (1439.40.11) /System/DriverKit/usr/lib/system/libsystem_c.dylib 0x10137c000 - 0x1013affff libsystem_kernel.dylib (7195.81.3) <87105E9D-B415-3637-8BD4-00FDCA1C8CDB> /System/DriverKit/usr/lib/system/libsystem_kernel.dylib 0x1013d4000 - 0x101403fff libsystem_m.dylib (3186.40.2) <79600D04-D3E9-344A-836B-1F336420F205> /System/DriverKit/usr/lib/system/libsystem_m.dylib 0x101414000 - 0x10143ffff libsystem_malloc.dylib (317.40.8) <158A69CB-5787-3155-8A44-7C9D042DFEDD> /System/DriverKit/usr/lib/system/libsystem_malloc.dylib 0x101460000 - 0x10146bfff libsystem_pthread.dylib (454.80.2) /System/DriverKit/usr/lib/system/libsystem_pthread.dylib 0x101484000 - 0x10148bfff libsystem_trace.dylib (1277.80.2) /System/DriverKit/usr/lib/system/libsystem_trace.dylib 0x10149c000 - 0x1014affff libc++abi.dylib (904.4) <3E966486-C815-3C94-B8BD-AC3F28DFFED1> /System/DriverKit/usr/lib/libc++abi.dylib External Modification Summary: Calls made by other processes targeting this process: task_for_pid: 386 thread_create: 0 thread_set_state: 0 Calls made by this process: task_for_pid: 0 thread_create: 0 thread_set_state: 0 Calls made by all processes on this machine: task_for_pid: 5607259 thread_create: 0 thread_set_state: 0 VM Region Summary: ReadOnly portion of Libraries: Total=4432K resident=0K(0%) swapped_out_or_unallocated=4432K(100%) Writable regions: Total=546.4M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=546.4M(100%) VIRTUAL REGION REGION TYPE SIZE COUNT (non-coalesced) =========== ======= ======= Kernel Alloc Once 32K 1 MALLOC 160.2M 20 MALLOC guard page 64K 3 MALLOC_NANO (reserved) 384.0M 1 reserved VM address space (unallocated) STACK GUARD 48K 3 Stack 1664K 4 Stack Guard 64.0M 2 __DATA 624K 22 __DATA_CONST 416K 21 __DATA_DIRTY 32K 2 __LINKEDIT 1680K 34 __TEXT 2960K 21 =========== ======= ======= TOTAL 615.5M 134 TOTAL, minus reserved VM space 231.5M 134