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glibc/sysdeps/unix/sysv/linux/bits
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Arjun Shankar 9c443ac455 socket: Check lengths before advancing pointer in CMSG_NXTHDR 
The inline and library functions that the CMSG_NXTHDR macro may expand
to increment the pointer to the header before checking the stride of
the increment against available space.  Since C only allows incrementing
pointers to one past the end of an array, the increment must be done
after a length check.  This commit fixes that and includes a regression
test for CMSG_FIRSTHDR and CMSG_NXTHDR.

The Linux, Hurd, and generic headers are all changed.

Tested on Linux on armv7hl, i686, x86_64, aarch64, ppc64le, and s390x.

[BZ #28846]

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
2022-08-02 11:10:25 +02:00
..
types
linux: Add P_PIDFD
2022-05-17 10:34:36 -03:00
a.out.h
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dirent_ext.h
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dirent.h
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epoll.h
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errno.h
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eventfd.h
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fcntl-linux.h
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fcntl.h
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in.h
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initspin.h
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inotify.h
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ioctl-types.h
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ioctls.h
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ipc-perm.h
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ipc.h
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local_lim.h
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2022-01-01 11:40:24 -08:00
mman_ext.h
Linux: Forward declaration of struct iovec for process_madvise
2022-06-29 13:50:50 +02:00
mman-linux.h
Add MADV_DONTNEED_LOCKED from Linux 5.18 to bits/mman-linux.h
2022-06-01 14:45:48 +00:00
mman-map-flags-generic.h
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mman-shared.h
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mman.h
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mqueue.h
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msq.h
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param.h
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poll.h
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posix_opt.h
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procfs-extra.h
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procfs-id.h
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procfs-prregset.h
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procfs.h
Unify some sys/procfs.h headers.
2018-09-25 16:48:15 +00:00
pthread_stack_min-dynamic.h
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pthread_stack_min.h
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ptrace-shared.h
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resource.h
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rseq.h
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sched.h
linux: Add CLONE_NEWTIME from Linux 5.6 to bits/sched.h
2022-05-23 17:49:18 -03:00
sem.h
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semaphore.h
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shm.h
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shmlba.h
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sigaction.h
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sigcontext.h
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sigevent-consts.h
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siginfo-arch.h
Remove __need macros from signal.h.
2017-05-20 19:04:43 -04:00
siginfo-consts-arch.h
Remove __need macros from signal.h.
2017-05-20 19:04:43 -04:00
siginfo-consts.h
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signal_ext.h
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signalfd.h
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signum-arch.h
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sigstack.h
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sigstksz.h
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socket_type.h
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socket-constants.h
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socket.h
socket: Check lengths before advancing pointer in CMSG_NXTHDR
2022-08-02 11:10:25 +02:00
ss_flags.h
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stat.h
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statfs.h
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statvfs.h
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statx.h
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struct_stat_time64_helper.h
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struct_stat.h
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termios-baud.h
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termios-c_cc.h
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termios-c_cflag.h
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termios-c_iflag.h
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termios-c_lflag.h
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termios-c_oflag.h
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termios-misc.h
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termios-struct.h
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termios-tcflow.h
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termios.h
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time.h
clock_adjtime: Use __nonnull to avoid null pointer
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timerfd.h
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timex.h
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uio_lim.h
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uio-ext.h
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unistd_ext.h
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utsname.h
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waitflags.h
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