Package: modemmanager Version: 1.10.0-1 Severity: normal File: /usr/sbin/ModemManager
Hello, when plugging in an atusb (http://shop.sysmocom.de/products/atusb) the following is logged to the kernel log (dmesg): [39780.102012] usb 1-1: new full-speed USB device number 18 using xhci_hcd [39780.251752] usb 1-1: New USB device found, idVendor=20b7, idProduct=1540, bcdDevice= 0.01 [39780.251756] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [39780.251759] usb 1-1: SerialNumber: 47303130343715181c16 [39783.064299] usb 1-1: USB disconnect, device number 18 [39783.371350] usb 1-1: new full-speed USB device number 19 using xhci_hcd [39783.526537] usb 1-1: New USB device found, idVendor=20b7, idProduct=1540, bcdDevice= 0.01 [39783.526541] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [39783.526544] usb 1-1: SerialNumber: 47303130343715181c16 [39783.530746] usb 1-1: ATUSB: AT86RF231 version 2 [39783.530967] usb 1-1: Firmware: major: 0, minor: 3, hardware type: ATUSB (2) [39783.531506] usb 1-1: Firmware: build #132 Mo 28. Nov 16:20:35 CET 2016 [39783.531815] usb 1-1: Read permanent extended address 10:e2:d5:ff:ff:00:02:42 from device [39783.567346] ModemManager[27151]: segfault at 0 ip 000055e520cbce6a sp 00007ffe15b75660 error 4 in ModemManager[55e520c08000+b7000] [39783.567351] Code: 4c 89 e7 e8 60 25 f5 ff 48 8b 45 18 48 8d 1d 0c 87 03 00 48 8b 38 e8 a5 b2 f4 ff b9 06 00 00 00 48 8d 3d ea 86 03 00 48 89 c6 <f3> a6 0f 97 c0 1c 00 84 c0 74 a0 31 db 48 89 d8 5b 5d 41 5c c3 90 The corresponding backtrace of modemmanager's segfault looks as follows: #0 0x000055e520cbce6a in kernel_device_get_driver (_self=<optimized out>) at kerneldevice/mm-kernel-device-udev.c:346 self = 0x7fc194005660 driver = 0x0 subsys = <optimized out> name = 0x0 __FUNCTION__ = "kernel_device_get_driver" #1 0x000055e520c15531 in add_port_driver (kernel_port=0x7fc194005660, self=0x7fc19c006d80) at mm-device.c:175 driver = <optimized out> n_items = <optimized out> i = <optimized out> probe = <optimized out> #2 0x000055e520c15531 in mm_device_grab_port (self=0x7fc19c006d80, kernel_port=0x7fc194005660) at mm-device.c:175 probe = <optimized out> #3 0x000055e520c13bfe in handle_uevent (client=<optimized out>, action=0x55e521e89c60 "add", device=<optimized out>, user_data=<optimized out>) at mm-base-manager.c:482 self = 0x55e521e40240 subsys = 0x55e521e72110 "net" name = 0x0 kernel_device = 0x7fc194005660 __FUNCTION__ = "handle_uevent" #4 0x00007fc1ab9878ee in ffi_call_unix64 () at ../src/x86/unix64.S:76 #5 0x00007fc1ab9872bf in ffi_call (cif=<optimized out>, fn=<optimized out>, rvalue=<optimized out>, avalue=<optimized out>) at ../src/x86/ffi64.c:525 classes = {X86_64_INTEGER_CLASS, 32766, 364337344, 32766} stack = <optimized out> argp = <optimized out> arg_types = <optimized out> gprcount = <optimized out> ssecount = <optimized out> ngpr = 1 nsse = 0 i = <optimized out> avn = <optimized out> ret_in_memory = <optimized out> reg_args = <optimized out> #6 0x00007fc1ac2f8482 in g_cclosure_marshal_generic () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #7 0x00007fc1ac2f7c8d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #8 0x00007fc1ac30b365 in () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #9 0x00007fc1ac3142be in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #10 0x00007fc1ac31497f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #11 0x00007fc1ac885c14 in monitor_event (source=<optimized out>, condition=<optimized out>, data=0x55e521e36ca0) at gudev/gudevclient.c:103 --Type <RET> for more, q to quit, c to continue without paging-- client = 0x55e521e36ca0 device = 0x55e521ea7160 udevice = 0x55e521ea3e00 #12 0x00007fc1ac215dd8 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #13 0x00007fc1ac2161c8 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #14 0x00007fc1ac2164c2 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #15 0x000055e520c0f5af in main (argc=<optimized out>, argv=<optimized out>) at main.c:181 inner = <optimized out> err = 0x0 name_id = 1 __FUNCTION__ = "main" The problematic code looks as follows: name = g_udev_device_get_name (self->priv->device); if (!driver && strncmp (name, "rfcomm", 6) == 0) driver = "bluetooth"; . As can be seen from the backtrace above name is NULL. I didn't test with 1.10.4 but that code wasn't touched between 1.10.0 and 1.10.4. Best regards Uwe -- System Information: Debian Release: 10.1 APT prefers stable APT policy: (700, 'stable'), (600, 'unstable'), (500, 'unstable-debug'), (500, 'stable-debug'), (500, 'oldstable-updates'), (500, 'oldstable'), (499, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.19.0-5-amd64 (SMP w/4 CPU cores) Kernel taint flags: TAINT_UNSIGNED_MODULE Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages modemmanager depends on: ii libc6 2.29-2 ii libglib2.0-0 2.58.3-2+deb10u1 ii libgudev-1.0-0 232-2 ii libmbim-glib4 1.18.0-1 ii libmbim-proxy 1.18.0-1 ii libmm-glib0 1.10.0-1 ii libpolkit-gobject-1-0 0.105-25 ii libqmi-glib5 1.22.0-1.2 ii libqmi-proxy 1.22.0-1.2 ii libsystemd0 241-7~deb10u1 Versions of packages modemmanager recommends: ii usb-modeswitch 2.5.2+repack0-2 modemmanager suggests no packages. -- no debconf information
