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musl - an implementation of the standard library for Linux-based systems
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71db5dfaa9
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Rich Felker 71db5dfaa9 fix crash/misbehavior from oob read in new dynamic tls installation 
code introduced in commit 9d44b6460a
wrongly attempted to read past the end of the currently-installed dtv
to determine if a dso provides new, not-already-installed tls. this
logic was probably leftover from an earlier draft of the code that
wrongly installed the new dtv before populating it.

it would work if we instead queried the new, not-yet-installed dtv,
but instead, replace the incorrect check with a simple range check
against old_cnt. this also catches modules that have no tls at all
with a single condition.
2019-02-27 12:07:20 -05:00
arch move arch-invariant definitions out of bits/ioctl.h 2019-02-07 12:43:19 -05:00
crt define and use internal macros for hidden visibility, weak refs 2018-09-05 14:05:14 -04:00
dist
include add membarrier syscall wrapper, refactor dynamic tls install to use it 2019-02-22 03:25:39 -05:00
ldso fix crash/misbehavior from oob read in new dynamic tls installation 2019-02-27 12:07:20 -05:00
src add membarrier syscall wrapper, refactor dynamic tls install to use it 2019-02-22 03:25:39 -05:00
tools fix musl-gcc wrapper to be compatible with default-pie gcc toolchains 2018-08-02 19:15:48 -04:00
.gitignore
configure configure: accept ppc[64] as alias for powerpc[64] in gcc tuples 2019-01-19 18:39:54 -05:00
COPYRIGHT new tsearch implementation 2018-09-20 17:57:47 -04:00
dynamic.list fix regression in access to optopt object 2018-11-19 13:20:41 -05:00
INSTALL add powerpc64 and s390x to list of supported archs in INSTALL file 2017-08-29 20:48:02 -04:00
Makefile overhaul internally-public declarations using wrapper headers 2018-09-12 14:34:33 -04:00
README
VERSION release 1.1.21 2019-01-21 12:30:47 -05:00
WHATSNEW release 1.1.21 2019-01-21 12:30:47 -05:00

README 

    musl libc

musl, pronounced like the word "mussel", is an MIT-licensed
implementation of the standard C library targetting the Linux syscall
API, suitable for use in a wide range of deployment environments. musl
offers efficient static and dynamic linking support, lightweight code
and low runtime overhead, strong fail-safe guarantees under correct
usage, and correctness in the sense of standards conformance and
safety. musl is built on the principle that these goals are best
achieved through simple code that is easy to understand and maintain.

The 1.1 release series for musl features coverage for all interfaces
defined in ISO C99 and POSIX 2008 base, along with a number of
non-standardized interfaces for compatibility with Linux, BSD, and
glibc functionality.

For basic installation instructions, see the included INSTALL file.
Information on full musl-targeted compiler toolchains, system
bootstrapping, and Linux distributions built on musl can be found on
the project website:

    http://www.musl-libc.org/