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Avoid calling internal libc function through PLT or accessing data
rS276681
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Description

Avoid calling internal libc function through PLT or accessing data
though GOT, by staticizing and hiding. Add setter for
__error_selector to hide it as well.

Suggested and reviewed by: jilles
Sponsored by: The FreeBSD Foundation
MFC after: 1 week

Details

Provenance

kib	Authored on

Parents

rS276680: Use FDT properties to identify a PS3 if present.

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Changes (5)

Path

Size

head/

lib/

libc/

include/

libc_private.h

sys/

Symbol.map

__error.c

libthr/

thread/

thr_private.h

thr_syscalls.c

rS276681

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head/lib/libc/include/libc_private.h

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head/lib/libc/sys/Symbol.map

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head/lib/libc/sys/__error.c

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head/lib/libthr/thread/thr_private.h

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head/lib/libthr/thread/thr_syscalls.c

Avoid calling internal libc function through PLT or accessing datarS276681Actions

Description

Details

Event Timeline

Changes (5)

rS276681

head/lib/libc/include/libc_private.h

head/lib/libc/sys/Symbol.map

head/lib/libc/sys/__error.c

head/lib/libthr/thread/thr_private.h

head/lib/libthr/thread/thr_syscalls.c

Avoid calling internal libc function through PLT or accessing data
rS276681
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