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8 Commits

Author SHA1 Message Date
Florian Weimer
36f30c104f __netlink_assert_response: Add more __libc_fatal newlines [BZ #20271] 
Commit a6e8926f8d49a213a9abb1a61f6af964f612ab7f ("[BZ #20271] Add
newlines in __libc_fatal calls.") missed two places that need
changing.
 2019-03-01 12:21:53 +01:00
Joseph Myers
04277e02d7 Update copyright dates with scripts/update-copyrights. 
* All files with FSF copyright notices: Update copyright dates
	using scripts/update-copyrights.
	* locale/programs/charmap-kw.h: Regenerated.
	* locale/programs/locfile-kw.h: Likewise.
 2019-01-01 00:11:28 +00:00
Paul Pluzhnikov
a6e8926f8d [BZ #20271] Add newlines in __libc_fatal calls. 2018-08-31 18:04:32 -07:00
Joseph Myers
688903eb3e Update copyright dates with scripts/update-copyrights. 
* All files with FSF copyright notices: Update copyright dates
	using scripts/update-copyrights.
	* locale/programs/charmap-kw.h: Regenerated.
	* locale/programs/locfile-kw.h: Likewise.
 2018-01-01 00:32:25 +00:00
Florian Weimer
c4ce038287 __netlink_assert_response: Remove internal_function attribute 
This function is called from nscd and should not use a non-standard
calling convention.
 2017-08-13 21:11:28 +02:00
Joseph Myers
bfff8b1bec Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
Joseph Myers
f7a9f785e5 Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
Florian Weimer
2eecc8afd0 Terminate process on invalid netlink response from kernel [BZ #12926] 
The recvmsg system calls for netlink sockets have been particularly
prone to picking up unrelated data after a file descriptor race
(where the descriptor is closed and reopened concurrently in a
multi-threaded process, as the result of a file descriptor
management issue elsewhere).  This commit adds additional error
checking and aborts the process if a datagram of unexpected length
(without the netlink header) is received, or an error code which
cannot happen due to the way the netlink socket is used.

	[BZ #12926]
	Terminate process on invalid netlink response.
	* sysdeps/unix/sysv/linux/netlinkaccess.h
	(__netlink_assert_response): Declare.
	* sysdeps/unix/sysv/linux/netlink_assert_response.c: New file.
	* sysdeps/unix/sysv/linux/Makefile [$(subdir) == inet]
	(sysdep_routines): Add netlink_assert_response.
	* sysdeps/unix/sysv/linux/check_native.c (__check_native): Call
	__netlink_assert_response.
	* sysdeps/unix/sysv/linux/check_pf.c (make_request): Likewise.
	* sysdeps/unix/sysv/linux/ifaddrs.c (__netlink_request): Likewise.
	* sysdeps/unix/sysv/linux/Versions (GLIBC_PRIVATE): Add
	__netlink_assert_response.
 2015-11-09 12:48:41 +01:00