[Cin] *** stack smashing detected ***: terminated

[Andrew Randrianasulu]

oh, this one looks tricky!

May be adding " -fstack-protector-strong" or  -fstack-protector-all" to
normal build CFLAGS will uncover it on other distros?


But debugging even in simple case looks .... time consuming:

https://wiki.gentoo.org/wiki/Stack_smashing_debugging_guide

пн, 1 мая 2023 г., 00:35 Stefan de Konink <stefan at konink.de>:

> [Thread 0x7ffb70db66c0 (LWP 715673) exited]
> *** stack smashing detected ***: terminated
>
> Thread 653 "cin" received signal SIGABRT, Aborted.
> [Switching to Thread 0x7ffb6bfff6c0 (LWP 715674)]
> __pthread_kill_implementation (threadid=<optimized out>,
> signo=signo at entry=6,
>     no_tid=no_tid at entry=0) at pthread_kill.c:44
> Downloading source file /usr/src/debug/glibc/glibc/nptl/pthread_kill.c
> 44            return INTERNAL_SYSCALL_ERROR_P (ret) ?
> INTERNAL_SYSCALL_ERRNO (ret) : 0;
> (gdb) bt
> #0  __pthread_kill_implementation (threadid=<optimized out>,
>     signo=signo at entry=6, no_tid=no_tid at entry=0) at pthread_kill.c:44
> #1  0x00007ffff5fa7953 in __pthread_kill_internal (signo=6,
>     threadid=<optimized out>) at pthread_kill.c:78
> #2  0x00007ffff5f58ea8 in __GI_raise (sig=sig at entry=6)
>     at ../sysdeps/posix/raise.c:26
> #3  0x00007ffff5f4253d in __GI_abort () at abort.c:79
> #4  0x00007ffff5f4329e in __libc_message (
>     fmt=fmt at entry=0x7ffff60ba535 "*** %s ***: terminated\n")
>     at ../sysdeps/posix/libc_fatal.c:150
> #5  0x00007ffff6037c5b in __GI___fortify_fail (
>     msg=msg at entry=0x7ffff60ba51d "stack smashing detected")
>     at fortify_fail.c:24
> #6  0x00007ffff6037c36 in __stack_chk_fail () at stack_chk_fail.c:24
> #7  0x00005555560a42bd in BC_WindowEvents::run (this=<optimized out>)
>     at bcwindowevents.C:138
> #8  0x00005555560aca95 in Thread::entrypoint (parameters=0x7fff38554740)
>     at thread.C:70
> #9  0x00007ffff5fa5bb5 in start_thread (arg=<optimized out>)
>     at pthread_create.c:444
> #10 0x00007ffff6027d90 in clone3 ()
>     at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
> (gdb)
>
> --
> Stefan
>
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