freebsd-dev/libexec/rtld-elf
David Chisnall 43d44842ae rtld: Fix null-pointer dereference
When a library is opened via fdlopen, it has a null pointer for its path
and so _rtld_bind can crash as a result of passing the null pointer to
basename() (which passes it to strrchr(), which doesn't do a null check).

PR:	253081
Submitted by:	theraven
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D28442
2021-02-02 16:14:16 +02:00
..
aarch64 rtld-elf(1): remove obsolete pre_init() hook 2020-12-25 19:47:46 +01:00
amd64 rtld-elf(1): remove obsolete pre_init() hook 2020-12-25 19:47:46 +01:00
arm rtld-elf: link libcompiler_rt on all architectures 2020-12-28 00:44:25 -08:00
i386 rtld-elf(1): remove obsolete pre_init() hook 2020-12-25 19:47:46 +01:00
mips rtld-elf(1): remove obsolete pre_init() hook 2020-12-25 19:47:46 +01:00
powerpc rtld-elf(1): remove obsolete pre_init() hook 2020-12-25 19:47:46 +01:00
powerpc64 rtld-elf(1): remove obsolete pre_init() hook 2020-12-25 19:47:46 +01:00
riscv rtld-elf(1): remove obsolete pre_init() hook 2020-12-25 19:47:46 +01:00
rtld-libc rtld-elf: link libcompiler_rt on all architectures 2020-12-28 00:44:25 -08:00
tests Do a sweep and remove most WARNS=6 settings 2020-10-01 01:10:51 +00:00
debug.c libexec: adoption of SPDX licensing ID tags. 2017-11-27 15:25:02 +00:00
debug.h Use rtld_putstr() instead of write() for the rtld msg() macro 2019-06-26 15:43:26 +00:00
libmap.c rtld: call close(2) after errno is saved 2021-01-02 04:43:32 +02:00
libmap.conf Move libmap.conf to libexec/rtld-elf/ 2018-09-18 00:25:00 +00:00
libmap.h rtld-elf: make it compile with WARNS=3 2018-10-29 21:08:11 +00:00
Makefile rtld-elf: link libcompiler_rt on all architectures 2020-12-28 00:44:25 -08:00
Makefile.depend new depends 2015-06-16 23:37:19 +00:00
map_object.c Undo 'fix off by one' part of r365360. 2020-09-05 22:48:27 +00:00
paths.h rtld-elf: compile with WANRS=4 warnings other than -Wcast-align 2018-10-29 21:08:19 +00:00
rtld_lock.c Use sigfastblock(2) in rtld. 2020-02-09 12:22:43 +00:00
rtld_lock.h libexec: adoption of SPDX licensing ID tags. 2017-11-27 15:25:02 +00:00
rtld_malloc.c Remove remnants of optimization for > pagesize allocations. 2019-09-02 08:03:29 +00:00
rtld_malloc.h Add header file missed in r343564. 2019-01-29 22:45:24 +00:00
rtld_printf.c Reduce size of rtld by 22% by pulling in less code from libc 2019-06-30 11:49:58 +00:00
rtld_printf.h Use rtld_putstr() instead of write() for the rtld msg() macro 2019-06-26 15:43:26 +00:00
rtld_tls.h Remove sparc64 specific parts of rtld-elf. 2020-02-26 18:49:25 +00:00
rtld_utrace.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
rtld.1 Fix a few mandoc issues 2020-10-09 15:14:19 +00:00
rtld.c rtld: Fix null-pointer dereference 2021-02-02 16:14:16 +02:00
rtld.h rtld-elf(1): remove obsolete pre_init() hook 2020-12-25 19:47:46 +01:00
Symbol.map Add version indicators to rtld. 2020-05-26 19:22:46 +00:00
xmalloc.c Make p_vaddr % p_align == p_offset % p_align for (some) TLS segments. 2020-04-04 22:37:50 +00:00