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510fe58c82
freebsd-dev/libexec/rtld-elf
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Mark Johnston 510fe58c82 rtld: Ensure that dlopen() cannot obtain a reference on a doomed object. 
rtld drops the bind lock to call fini functions in an object prior to
unmapping it. The new "doomed" state flag prevents the acquisition of new
references for an object while the lock is dropped.

Reviewed by:	kib
MFC after:	2 weeks
Sponsored by:	Dell EMC Isilon
2016-12-22 17:41:32 +00:00
..
aarch64 Retire long-broken/unused static rtld support 2016-12-02 14:23:26 +00:00
amd64 Adjust r308689 to make rtld compilable with either in-tree or 2016-11-21 14:13:57 +00:00
arm Adjust r308689 to make rtld compilable with either in-tree or 2016-11-21 14:13:57 +00:00
i386 Adjust r308689 to make rtld compilable with either in-tree or 2016-11-21 14:13:57 +00:00
mips Fix _mips_rtld_bind() to handle ELF filters. 2016-11-23 20:21:53 +00:00
powerpc Adjust r308689 to make rtld compilable with either in-tree or 2016-11-21 14:13:57 +00:00
powerpc64 Adjust r308689 to make rtld compilable with either in-tree or 2016-11-21 14:13:57 +00:00
riscv Retire long-broken/unused static rtld support 2016-12-02 14:23:26 +00:00
sparc64 Retire long-broken/unused static rtld support 2016-12-02 14:23:26 +00:00
tests DIRDEPS_BUILD: Add some missing dirctories to the build. 2016-08-31 19:30:59 +00:00
debug.c Do not call callbacks for dl_iterate_phdr(3) with the rtld bind and 2016-01-20 07:21:33 +00:00
debug.h Remove historical GNUC test 2015-05-06 15:29:11 +00:00
libmap.c Rather than using the #define for path names, indirect through a char * 2015-10-31 04:39:55 +00:00
libmap.h Make the directory mapping functionality, which was previously only 2013-09-21 21:03:52 +00:00
Makefile Assert that there is no unresolved symbols during rtld linking. 2016-11-15 09:40:03 +00:00
Makefile.depend new depends 2015-06-16 23:37:19 +00:00
malloc.c libexec: minor spelling fixes in comments. 2016-05-01 19:39:23 +00:00
map_object.c Fix handling of DT_TEXTREL for an object with more than one read-only 2016-03-02 16:36:24 +00:00
paths.h Convert casperd(8) daemon to the libcasper. 2016-02-25 18:23:40 +00:00
rtld_lock.c Change compiler setting to make default visibility of the symbols for 2015-03-29 18:53:21 +00:00
rtld_lock.h Change compiler setting to make default visibility of the symbols for 2015-03-29 18:53:21 +00:00
rtld_printf.c Add the LD_LIBRARY_PATH_FDS environmental variable. 2014-06-20 17:08:32 +00:00
rtld_printf.h Add the LD_LIBRARY_PATH_FDS environmental variable. 2014-06-20 17:08:32 +00:00
rtld_tls.h Change compiler setting to make default visibility of the symbols for 2015-03-29 18:53:21 +00:00
rtld_utrace.h Move defines common between rtld and libsysdecode into the header, 2016-08-12 19:31:41 +00:00
rtld.1 mdoc: remove superfluous paragraph macros. 2014-06-23 18:40:21 +00:00
rtld.c rtld: Ensure that dlopen() cannot obtain a reference on a doomed object. 2016-12-22 17:41:32 +00:00
rtld.h rtld: Ensure that dlopen() cannot obtain a reference on a doomed object. 2016-12-22 17:41:32 +00:00
Symbol.map Add rtld private interface for dso to detect dynamic loading 2015-01-03 18:09:53 +00:00
xmalloc.c Increase alignment to size of pointer if the alignment is too small. 2014-02-22 11:06:48 +00:00