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From: William Tambe <tambewilliam@gmail.com>
Date: Thu, 06 Feb 2020 04:37:00 -0000
Message-ID: <CAF8i9mMNfeAt1z94vuLPN7rCav=z1=4fMXqLBxr7AgFPsJ4rZQ@mail.gmail.com>
Subject: Incorrect symbol name displayed in backtrace
To: gdb@sourceware.org
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X-SW-Source: 2020-02/txt/msg00020.txt.bz2

Below is an example of backtrace where I find that GDB printed a
symbol name that is not found at the address shown in the backtrace.
In the example below, GDB says that  __kprobes_text_start() is at
0x0039f000, however when I used p (void *)0x0039f000, it prints the
correct symbol name at 0x0039f000.

(gdb) bt
#0  0x05000100 in _start ()
#1  0x0039f000 in __kprobes_text_start ()
Backtrace stopped: frame did not save the PC
(gdb) p (void *)0x0039f000
$6 = (void *) 0x39f000 <__tramp_exit>


Any idea what is the difference in the way symbol names are printed in
the backtrace and by the command "p" ?