Jan Kratochvil c91550fc5d Additional PR 8882 fix.
runtest gdb.base/corefile.exp

==23174== ERROR: AddressSanitizer: heap-use-after-free on address 0x604400008c88 at pc 0x68f0be bp 0x7fffae9d7490 sp
0x7fffae9d7480
READ of size 8 at 0x604400008c88 thread T0
    #0 0x68f0bd in svr4_read_so_list (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0x68f0bd)
    #1 0x68f64e in svr4_current_sos_direct (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0x68f64e)
    #2 0x68f757 in svr4_current_sos (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0x68f757)
    #3 0xcebbff in update_solib_list (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0xcebbff)
0x604400008c88 is located 8 bytes inside of 1104-byte region [0x604400008c80,0x6044000090d0)
freed by thread T0 here:
    #0 0x7f52677500f9 (/lib64/libasan.so.0+0x160f9)
    #1 0xd2c68a in xfree (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0xd2c68a)
    #2 0xceb364 in free_so (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0xceb364)
    #3 0xca59f8 in do_free_so (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0xca59f8)
    #4 0x93432a in do_my_cleanups (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0x93432a)
    #5 0x934406 in do_cleanups (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0x934406)
    #6 0x68efa9 in svr4_read_so_list (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0x68efa9)

I did not notice it during my review in:
	Re: [PATCH v2] Skip vDSO when reading SO list (PR 8882)
	https://sourceware.org/ml/gdb-patches/2013-09/msg00888.html

gdb/
2014-02-27  Jan Kratochvil  <jan.kratochvil@redhat.com>

	Additional PR 8882 fix.
	* solib-svr4.c (svr4_read_so_list): Change first to first_l_name.

Message-ID: <20140226220918.GA10431@host2.jankratochvil.net>
2014-02-27 21:16:04 +01:00
2014-02-06 11:26:26 -08:00
2014-02-27 15:06:56 +00:00
2014-02-27 21:16:04 +01:00
2014-02-11 11:26:37 -08:00
2014-02-10 09:59:35 +10:30
2014-02-09 15:56:36 -08:00
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2014-02-06 11:01:57 +01:00

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