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Linus Torvalds a414f01ac2 strcmp: fix overflow and possibly signedness error 
Doing the strcmp return value as

	signed char __res = *cs - *ct;

is wrong for two reasons.  The subtraction can overflow because __res
doesn't use a type big enough.  Moreover the compared bytes should be
interpreted as unsigned char as specified by POSIX.

The same problem is fixed in strncmp.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Michael Buesch <mb@bu3sch.de>
Cc: Andreas Schwab <schwab@linux-m68k.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-11-18 17:18:13 -08:00
..
lzo
lzo: use get/put_unaligned_* helpers
2008-07-25 10:53:26 -07:00
reed_solomon
lib: Remove unnecessary inclusions of asm/semaphore.h
2008-04-18 22:17:17 -04:00
zlib_deflate
trivial: fix typo "to to" in multiple files
2009-09-21 15:14:55 +02:00
zlib_inflate
bzip2/lzma: library support for gzip, bzip2 and lzma decompression
2009-01-04 15:53:34 -08:00
.gitignore
…
argv_split.c
LIB: Replace inappropriate include of <linux/bug.h>
2007-10-20 00:26:10 +02:00
atomic64.c
lib: export generic atomic64_t functions
2009-07-29 19:10:35 -07:00
audit.c
[PATCH] audit signal recipients
2007-05-11 05:38:25 -04:00
bcd.c
rtc: BCD codeshrink
2008-07-24 10:47:33 -07:00
bitmap.c
Make bitmask 'and' operators return a result code
2009-08-21 09:26:15 -07:00
bitrev.c
lib: export bitrev16
2008-06-06 11:29:10 -07:00
bug.c
allow bug table entries to use relative pointers (and use it on x86-64)
2008-12-16 18:40:32 +01:00
bust_spinlocks.c
oops handling: ensure that any oops is flushed to the mtdoops console
2009-01-06 15:59:11 -08:00
check_signature.c
uninline check_signature()
2007-07-16 09:05:50 -07:00
checksum.c
lib/checksum.c: fix endianess bug
2009-06-19 14:58:13 +02:00
cmdline.c
generic, memparse(): constify argument
2008-07-28 15:05:23 +02:00
cpumask.c
x86: remove some alloc_bootmem_cpumask_var calling
2009-06-11 19:27:07 +03:00
crc7.c
CRC7 support
2007-07-17 10:23:04 -07:00
crc16.c
…
crc32.c
lib/: Spelling fixes
2008-02-03 17:48:52 +02:00
crc32defs.h
…
crc-ccitt.c
…
crc-itu-t.c
CRC ITU-T V.41
2007-05-10 18:24:13 +02:00
crc-t10dif.c
[SCSI] lib: Add support for the T10 (SCSI) Data Integrity Field CRC
2008-07-12 08:22:32 -05:00
ctype.c
…
debug_locks.c
lockdep: warn about lockdep disabling after kernel taint
2009-04-12 16:10:51 +02:00
debugobjects.c
headers: remove sched.h from interrupt.h
2009-10-11 11:20:58 -07:00
dec_and_lock.c
atomic: only take lock when the counter drops to zero on UP as well
2009-06-16 19:47:47 -07:00
decompress_bunzip2.c
lib/decompress_*: only include <linux/slab.h> if STATIC is not defined
2009-08-07 10:39:56 -07:00
decompress_inflate.c
lzma/gzip: fix potential oops when input data is truncated
2009-09-24 07:21:05 -07:00
decompress_unlzma.c
lzma/gzip: fix potential oops when input data is truncated
2009-09-24 07:21:05 -07:00
decompress.c
bzip2/lzma: don't stop search at first unconfigured compression
2009-02-19 13:36:55 -08:00
devres.c
[POWERPC] devres: Add devm_ioremap_prot()
2008-05-05 16:47:14 +10:00
div64.c
add an inlined version of iter_div_u64_rem
2008-06-12 10:47:58 +02:00
dma-debug.c
dma-debug: Fix compile warning with PAE enabled
2009-10-29 16:25:50 +01:00
dump_stack.c
…
dynamic_debug.c
Dynamic debug: fix typo: -/->
2009-07-28 13:45:22 -07:00
extable.c
module: trim exception table on init free.
2009-06-12 21:47:04 +09:30
fault-inject.c
headers: remove sched.h from interrupt.h
2009-10-11 11:20:58 -07:00
find_last_bit.c
bitmap: find_last_bit()
2009-01-01 10:12:19 +10:30
find_next_bit.c
bitops: remove "optimizations"
2008-04-29 08:11:16 -07:00
flex_array.c
flex_array: add missing kerneldoc annotations
2009-09-22 07:17:47 -07:00
gcd.c
lib: add lib/gcd.c
2009-06-18 13:04:05 -07:00
gen_crc32table.c
…
genalloc.c
lib/genalloc.c: remove unmatched write_lock() in gen_pool_destroy
2009-06-16 19:47:53 -07:00
halfmd4.c
…
hexdump.c
hexdump: remove the trailing space
2009-06-16 19:47:51 -07:00
hweight.c
remove asm/bitops.h includes
2007-10-19 11:53:41 -07:00
idr.c
cgroup: CSS ID support
2009-04-02 19:04:53 -07:00
inflate.c
Nicolas Pitre has a new email address
2009-09-15 09:37:12 -07:00
int_sqrt.c
…
iomap_copy.c
…
iomap.c
Use WARN() in lib/
2008-07-26 12:00:07 -07:00
iommu-helper.c
introduce generic iommu_num_pages function
2008-10-16 11:21:33 -07:00
ioremap.c
lib/ioremap.c should #include <linux/io.h>
2007-10-17 08:42:50 -07:00
irq_regs.c
[PATCH] irq_reqs: export __irq_regs
2006-10-06 08:53:40 -07:00
is_single_threaded.c
kernel: is_current_single_threaded: don't use ->mmap_sem
2009-07-17 09:11:31 +10:00
kasprintf.c
lib: move kasprintf to a separate file
2007-07-31 15:39:39 -07:00
Kconfig
lib: Provide generic atomic64_t implementation
2009-06-15 13:27:38 +10:00
Kconfig.debug
powerpc: Minor cleanup to lib/Kconfig.debug
2009-10-27 16:42:42 +11:00
Kconfig.kgdb
kgdb: remove the requirement for CONFIG_FRAME_POINTER
2008-08-01 08:39:34 -05:00
Kconfig.kmemcheck
kmemcheck: depend on HAVE_ARCH_KMEMCHECK
2009-07-01 22:28:44 +02:00
kernel_lock.c
sched: TIF_NEED_RESCHED -> need_reshed() cleanup
2009-03-06 12:48:55 +01:00
klist.c
driver core: Remove completion from struct klist_node
2009-01-06 10:44:30 -08:00
kobject_uevent.c
driver core: allow non-root users to listen to uevents
2009-04-16 16:17:09 -07:00
kobject.c
kobject: make kset_create check kobject_set_name return value
2009-06-15 21:30:24 -07:00
kref.c
kref: add kref_set()
2008-01-24 20:40:05 -08:00
libcrc32c.c
libcrc32c: Fix "crc32c undefined" compilation error
2008-12-25 11:01:42 +11:00
list_debug.c
list debugging: use WARN() instead of BUG()
2008-07-25 10:53:29 -07:00
lmb.c
lmb: Remove __init from lmb_end_of_DRAM()
2009-08-27 12:25:26 -07:00
locking-selftest-hardirq.h
…
locking-selftest-mutex.h
…
locking-selftest-rlock-hardirq.h
…
locking-selftest-rlock-softirq.h
…
locking-selftest-rlock.h
…
locking-selftest-rsem.h
…
locking-selftest-softirq.h
…
locking-selftest-spin-hardirq.h
…
locking-selftest-spin-softirq.h
…
locking-selftest-spin.h
…
locking-selftest-wlock-hardirq.h
…
locking-selftest-wlock-softirq.h
…
locking-selftest-wlock.h
…
locking-selftest-wsem.h
…
locking-selftest.c
locking: rename trace_softirq_[enter|exit] => lockdep_softirq_[enter|exit]
2009-03-13 01:32:36 +01:00
Makefile
lib: flexible array implementation
2009-07-29 19:10:36 -07:00
nlattr.c
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
2009-03-26 22:45:23 -07:00
parser.c
vfs: Use const for kernel parser table
2008-10-13 10:10:37 -07:00
percpu_counter.c
Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2009-01-06 17:10:04 -08:00
plist.c
Use WARN() in lib/
2008-07-26 12:00:07 -07:00
prio_heap.c
lib: fix sparse shadowed variable warning
2009-01-06 15:59:11 -08:00
prio_tree.c
…
proportions.c
Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2009-01-06 17:10:04 -08:00
radix-tree.c
lib: do code optimization for radix_tree_lookup() and radix_tree_lookup_slot()
2009-06-16 19:47:49 -07:00
random32.c
random32: seeding improvement
2008-07-30 16:29:19 -07:00
ratelimit.c
__ratelimit() cpu flags can't be static
2008-07-28 16:30:20 -07:00
rational.c
lib: isolate rational fractions helper function
2009-06-11 08:51:08 -07:00
rbtree.c
rb_tree: remove redundant if()-condition in rb_erase()
2009-06-16 19:47:56 -07:00
reciprocal_div.c
[PATCH] SLAB: use a multiply instead of a divide in obj_to_index()
2006-12-13 09:05:49 -08:00
rwsem-spinlock.c
lib: remove fastcall from lib/*
2008-02-08 09:22:31 -08:00
rwsem.c
x86: fix UML and -regparm=3
2008-01-30 13:33:00 +01:00
scatterlist.c
lib/scatterlist: add a flags to signalize mapping direction
2009-07-31 12:28:45 +02:00
sha1.c
[PATCH] Numerous fixes to kernel-doc info in source files.
2007-02-11 10:51:32 -08:00
show_mem.c
lib: generic show_mem()
2008-07-26 12:00:10 -07:00
smp_processor_id.c
cpumask: convert lib/smp_processor_id to new cpumask ops
2009-01-30 15:47:34 +01:00
sort.c
generic swap(): lib/sort.c: rename swap to swap_func
2009-01-08 08:31:14 -08:00
spinlock_debug.c
Use helpers to obtain task pid in printks
2007-10-19 11:53:43 -07:00
string_helpers.c
[SCSI] lib: string_get_size(): don't hang on zero; no decimals on exact
2008-10-23 11:42:20 -05:00
string.c
strcmp: fix overflow and possibly signedness error
2009-11-18 17:18:13 -08:00
swiotlb.c
lib/swiotlb.c: Fix strange panic message selection logic when swiotlb fills up
2009-08-21 10:36:03 +02:00
syscall.c
task_current_syscall
2008-07-26 12:00:10 -07:00
textsearch.c
remove CONFIG_KMOD from lib
2008-07-22 19:24:31 +10:00
ts_bm.c
textsearch: ts_bm: support case insensitive searching in Boyer-Moore algorithm
2008-07-08 02:37:54 -07:00
ts_fsm.c
textsearch: ts_fsm: return error on request for case insensitive search
2008-07-08 02:38:27 -07:00
ts_kmp.c
textsearch: ts_kmp: support case insensitive searching in Knuth-Morris-Pratt algorithm
2008-07-08 02:38:09 -07:00
vsprintf.c
sscanf(): fix %*s%n
2009-10-01 16:11:16 -07:00