Crash if i8k kernel module is not loaded

[hexchain]

Issue

Conky crashes if i8k variables are used but the kernel module is not loaded.

Information

OS: Arch Linux Conky: git master

conky.config = {
    no_buffers = true,
    out_to_x = false,
    out_to_console = true,
};

conky.text = [[ ${i8k_right_fan_status} ${i8k_right_fan_rpm} ]];

% gdb ./build/src/conky
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Reading symbols from ./build/src/conky...
(gdb) r -c conky.conf
Starting program: /home/hexchain/tmp/repo/conky/build/src/conky -c conky.conf
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7ffff63e5700 (LWP 1197905)]
conky: /proc/i8k doesn't exist! use insmod to make sure the kernel driver is loaded...

Thread 1 "conky" received signal SIGSEGV, Segmentation fault.
0x00007ffff7f5dd24 in pthread_mutex_lock () from /usr/lib/libpthread.so.0
(gdb) bt full
#0  0x00007ffff7f5dd24 in pthread_mutex_lock () from /usr/lib/libpthread.so.0
No symbol table info available.
#1  0x000055555556fa81 in __gthread_mutex_lock (__mutex=0x0) at /usr/include/c++/9.2.1/x86_64-pc-linux-gnu/bits/gthr-default.h:749
No locals.
#2  0x000055555556fc7c in std::mutex::lock (this=0x0) at /usr/include/c++/9.2.1/bits/std_mutex.h:100
        __e = 21845
#3  0x0000555555573444 in std::lock_guard<lua::state>::lock_guard (this=0x7fffffffd4d8, __m=...) at /usr/include/c++/9.2.1/bits/std_mutex.h:159
No locals.
#4  0x0000555555571fbf in conky::config_setting_template<unsigned int>::get (this=0x55555563fd00 <max_user_text>, l=...) at ../src/setting.hh:214
        guard = {_M_device = @0x0}
        s = {L = 0x5555557c2990, n = 1432616328}
#5  0x0000555555567de3 in generate_text () at ../src/conky.cc:765
        p = 0x0
        i = 0
        j = 4151927205
        k = 32767
        mw = 4294956368
        tbs = 32767
        ui = 0
        time = 0
#6  0x000055555556b8f3 in update_text () at ../src/conky.cc:1853
No locals.
#7  0x000055555556ca64 in main_loop () at ../src/conky.cc:2264
        time_to_sleep = -1.046427869994659
        seconds = -2
        nanos = 953572130.00534105
        req = {tv_sec = -2, tv_nsec = 953572130}
        rem = {tv_sec = 0, tv_nsec = 0}
        terminate = 0
        t = 0
        inotify_config_wd = -1
        inotify_buff = '\000' <repeats 104 times>, "c4WUUU", '\000' <repeats 34 times>, " \330\377\377\377\177\000\000\000\000\000\000\000\000\b@p\275{UUU\000\000\300\365cUUU\000\000@\330\377\377\377\177\000\000p\275{UUU\000\000p\275{UUU\000\000\000\000\000\000"...
#8  0x00005555555665a6 in main (argc=3, argv=0x7fffffffdb78) at ../src/main.cc:354
        curl_global = {<No data fields>}

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This issue is stale because it has been open 365 days with no activity. Remove stale label or comment, or this issue will be closed in 30 days.

[github-actions[bot]]

This issue was closed because it has been stalled for 30 days with no activity.

[bi4k8]

I can confirm on current main.