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Arjun Shankar 67062eccd9 syslog: Fix heap buffer overflow in __vsyslog_internal (CVE-2023-6779) 
__vsyslog_internal used the return value of snprintf/vsnprintf to
calculate buffer sizes for memory allocation.  If these functions (for
any reason) failed and returned -1, the resulting buffer would be too
small to hold output.  This commit fixes that.

All snprintf/vsnprintf calls are checked for negative return values and
the function silently returns upon encountering them.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 7e5a0c286da33159d47d0122007aac016f3e02cd)
2024-01-30 15:56:17 +01:00
..
bits
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2023-01-06 21:14:39 +00:00
sys
cdefs: Limit definition of fortification macros
2023-02-02 08:32:16 -05:00
tst-syslog-long-progname.root
syslog: Fix heap buffer overflow in __vsyslog_internal (CVE-2023-6246)
2024-01-30 15:56:17 +01:00
acct.c
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allocate_once.c
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ar.h
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atomic_wide_counter.c
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brk.c
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bug18240.c
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bug-hsearch1.c
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chflags.c
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chroot.c
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daemon.c
misc: Use 64 bit stat for daemon (BZ# 29203)
2022-06-01 13:23:13 -03:00
dirname.c
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efgcvt_r-template.c
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efgcvt_r.c
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efgcvt-dbl-macros.h
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efgcvt-ldbl-macros.h
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efgcvt-template.c
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efgcvt.c
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err.c
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err.h
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error.c
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error.h
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fchflags.c
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fd_to_filename.c
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fdatasync.c
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fgetxattr.c
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flistxattr.c
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fremovexattr.c
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fsetxattr.c
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fstab.c
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fstab.h
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fsync.c
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ftruncate64.c
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ftruncate.c
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futimes.c
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futimesat.c
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getauxval.c
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getclktck.c
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getdomain.c
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getdtsz.c
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gethostid.c
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gethostname.c
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getloadavg.c
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getpagesize.c
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getpass.c
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getsysstats.c
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2023-01-06 21:14:39 +00:00
getttyent.c
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug 19463).
2018-02-21 18:01:11 +00:00
getusershell.c
misc: Use 64 bit stat for getusershell (BZ# 29203)
2022-06-01 13:23:16 -03:00
getxattr.c
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gtty.c
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hsearch_r.c
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hsearch.c
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ifunc-impl-list.c
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init-misc.c
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insremque.c
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ioctl.c
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lgetxattr.c
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libgen.h
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listxattr.c
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llistxattr.c
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lremovexattr.c
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lsearch.c
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lsetxattr.c
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lutimes.c
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madvise.c
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makedev.c
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Makefile
syslog: Fix heap buffer overflow in __vsyslog_internal (CVE-2023-6246)
2024-01-30 15:56:17 +01:00
mincore.c
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mkdtemp.c
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mkostemp64.c
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mkostemp.c
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mkostemps64.c
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mkostemps.c
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mkstemp64.c
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mkstemp.c
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mkstemps64.c
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mkstemps.c
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mktemp.c
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mlock.c
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mlockall.c
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mmap64.c
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mmap.c
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mntent_r.c
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mntent.c
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mntent.h
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mprotect.c
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msync.c
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munlock.c
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munlockall.c
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munmap.c
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preadv2.c
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preadv64.c
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preadv64v2.c
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preadv.c
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pselect.c
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ptrace.c
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pwritev2.c
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pwritev64.c
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pwritev64v2.c
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pwritev.c
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qefgcvt_r.c
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qefgcvt.c
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readv.c
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reboot.c
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regexp.c
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regexp.h
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remap_file_pages.c
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removexattr.c
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revoke.c
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sbrk.c
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search.h
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select.c
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setdomain.c
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setegid.c
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seteuid.c
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sethostid.c
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sethostname.c
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setregid.c
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setreuid.c
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setxattr.c
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sgtty.h
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single_threaded.c
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sstk.c
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stab.h
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stty.c
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swapoff.c
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swapon.c
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sync.c
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syncfs.c
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syscall.c
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syscall.h
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sysexits.h
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syslog.c
syslog: Fix heap buffer overflow in __vsyslog_internal (CVE-2023-6779)
2024-01-30 15:56:17 +01:00
syslog.h
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truncate64.c
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truncate.c
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tsearch.c
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tst-allocate_once.c
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tst-atomic-long.c
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tst-atomic.c
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tst-dbl-efgcvt.c
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tst-dirname.c
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tst-efgcvt-template.c
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tst-empty.c
Move all tests out of the csu subdirectory
2016-12-21 11:52:19 +01:00
tst-error1.c
Split DIAG_* macros to new header libc-diag.h.
2017-02-25 09:59:46 -05:00
tst-fd_to_filename.c
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tst-fdset.c
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tst-gethostid.c
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tst-hsearch.c
Modify several tests to use test-skeleton.c
2014-11-05 15:24:08 +05:30
tst-insremque.c
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tst-ioctl-time64.c
misc: Add time64 alias for ioctl
2021-07-21 11:58:09 +02:00
tst-ioctl.c
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tst-ldbl-efgcvt.c
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tst-ldbl-error.c
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tst-ldbl-warn.c
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tst-makedev.c
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tst-mntent2.c
Fix warning in misc/tst-mntent2.c.
2014-12-16 10:27:16 +01:00
tst-mntent-autofs.c
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tst-mntent-blank-corrupt.c
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tst-mntent-blank-passno.c
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tst-mntent-escape.c
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tst-mntent.c
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2021-09-03 22:06:44 +05:30
tst-preadvwritev2-common.c
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tst-preadvwritev2.c
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tst-preadvwritev64.c
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tst-preadvwritev64v2.c
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tst-preadvwritev-common.c
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tst-preadvwritev.c
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tst-pselect-time64.c
y2038: Add test coverage
2021-06-15 10:42:11 -03:00
tst-pselect.c
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tst-select-time64.c
y2038: Add test coverage
2021-06-15 10:42:11 -03:00
tst-select.c
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tst-syscalls.c
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tst-syslog-long-progname.c
syslog: Fix heap buffer overflow in __vsyslog_internal (CVE-2023-6246)
2024-01-30 15:56:17 +01:00
tst-syslog.c
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tst-tsearch.c
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tst-warn-wide.c
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ttyent.h
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ttyslot.c
As a minor cleanup remove the (r)index defines from include/string.h as
2017-02-06 18:15:18 +00:00
ualarm.c
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unwind-link.c
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usleep.c
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ustat.c
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utimes.c
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Versions
Implement <unwind-link.h> for dynamically loading the libgcc_s unwinder
2021-03-01 15:58:01 +01:00
vhangup.c
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writev.c
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