[Bug 204426] Processes terminating cannot access memory

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204426

--- Comment #21 from rblayzor at inoc.net ---
After a couple of day s like clockwork, I got another crash. I thought this one
looked like a normal Dovecot bug and reported it to the list to which Timo
responded: 

"There's no way it can crash here, unless something's badly broken. Either a
buggy compiler or maybe memory corruption earlier in the process. Can you
reproduce it? Can you run it via valgrind?"




Core was generated by `dovecot'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /usr/local/lib/dovecot/libdovecot.so.0...done.
Loaded symbols for /usr/local/lib/dovecot/libdovecot.so.0
Reading symbols from /lib/libc.so.7...Reading symbols from
/usr/lib/debug//lib/libc.so.7.debug...done.
done.
Loaded symbols for /lib/libc.so.7
Reading symbols from /libexec/ld-elf.so.1...Reading symbols from
/usr/lib/debug//libexec/ld-elf.so.1.debug...done.
done.
Loaded symbols for /libexec/ld-elf.so.1
#0  0x0000000800910c74 in io_loop_time_refresh () at ioloop.c:635
635     ioloop.c: No such file or directory.
        in ioloop.c
(gdb) bt full
#0  0x0000000800910c74 in io_loop_time_refresh () at ioloop.c:635
No locals.
#1  0x0000000800910961 in io_loop_timeouts_start_new (ioloop=0x801421080) at
ioloop.c:436
        to_idx = (struct timeout * const *) 0x801419880
#2  0x0000000800910915 in io_loop_handler_run (ioloop=0x801421080) at
ioloop.c:606
No locals.
#3  0x000000080091073f in io_loop_run (ioloop=0x801421080) at ioloop.c:583
No locals.
#4  0x000000080086aaab in master_service_run (service=0x80141b140, callback=0)
at master-service.c:640
No locals.
#5  0x0000000000406509 in main (argc=3, argv=0x7fffffffb4c0) at main.c:888
        set = (struct master_settings *) 0x801429110
        error = 0x800caa2c3 "H\203Ä ]Ã\017\037\200"
        doveconf_arg = 0x0
        orig_info_callback = (failure_callback_t *) 0x8008f0220
<i_syslog_error_handler>
        orig_debug_callback = (failure_callback_t *) 0x8008f0220
<i_syslog_error_handler>
        foreground = false
        ask_key_pass = false
        i = 3
        c = -1
        doubleopts = <value optimized out>
Current language:  auto; currently minimal
(gdb)

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