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Signed-off-by: Adrian Bunk <bunk@kernel.org>
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The compiler team did the hard work for this distilling a problem in
large fortran application which showed up when applied to a 290MB input
data set down to this instruction:
ldfd f34=[r17],-8
Which they noticed incremented r17 by 0x10 rather than decrementing it
by 8 when the value in r17 caused an unaligned data fault. I tracked
it down to some bad instruction decoding in unaligned.c. The code
assumes that the 'x' bit can determine whether the instruction is
an "ldf" or "ldfp" ... which it is for opcode=6 (see table 4-29 on
page 3:302 of the SDM). But for opcode=7 the 'x' bit is irrelevent,
all variants are "ldf" instructions (see table 4-36 on page 3:306).
Note also that interpreting the instruction as "ldfp" means that the
"paired" floating point register (f35 in the example here) will also
be corrupted.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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- fix temporary debug code by changing printk to dprintk at level 1.
- move CORE_IOCTL messages from level 1 to level 2.
- this should help with selective debugging,
while not filling people's logs up during normal use.
Signed-off-by: Ian Pickworth <ian@pickworth.me.uk>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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As noticed by Gabriel Campana, the kmalloc() length arg
passed in by sctp_getsockopt_local_addrs_old() can overflow
if ->addr_num is large enough.
Therefore, enforce an appropriate limit.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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If prepare_write fails with AOP_TRUNCATED_PAGE, or if commit_write fails, then
we may have failed the write operation despite prepare_write having
instantiated blocks past i_size. Fix this, and consolidate the trimming into
one place.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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This patch (as905) removes a micro-optimization from the hub port
initialization code. Previously we had been using a short timeout on
the first attempt the read the device descriptor; now we will use the
standard timeout length.
It's not clear that the short timeout ever provided any benefit. And
now we know of one case where it actually hurts: The device can't meet
the short timeout and then it gets terminally confused.
This fixes Bugzilla #8444.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Override compiler .arch directive for generic kernel build.
Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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On alpha, ia64 and ppc64 only relocations to local data can go into
read-only sections. The vast majority of module parameters use the global
generic param_set_*/param_get_* functions, so the 'const' attribute for
struct kernel_param is not only useless, but it also causes compile
failures due to 'section type conflict' in those rare cases where
param_set/get are local functions.
This fixes http://bugzilla.kernel.org/show_bug.cgi?id=8964
Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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static inline functions mustn't be exported.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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static functions mustn't be exported.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Use default DMA data direction to prevent data corruption
when using SWIOTLB with 4GB+ on EM64T.
http://www.3ware.com/KB/article.aspx?id=15243&cNode=6I1C6S
Acked-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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fcntl_setlk()/close() race prevention has a subtle hole - we need to
make sure that if we *do* have an fcntl/close race on SMP box, the
access to descriptor table and inode->i_flock won't get reordered.
As it is, we get STORE inode->i_flock, LOAD descriptor table entry vs.
STORE descriptor table entry, LOAD inode->i_flock with not a single
lock in common on both sides. We do have BKL around the first STORE,
but check in locks_remove_posix() is outside of BKL and for a good
reason - we don't want BKL on common path of close(2).
Solution is to hold ->file_lock around fcheck() in there; that orders
us wrt removal from descriptor table that preceded locks_remove_posix()
on close path and we either come first (in which case eviction will be
handled by the close side) or we'll see the effect of close and do
eviction ourselves. Note that even though it's read-only access,
we do need ->file_lock here - rcu_read_lock() won't be enough to
order the things.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Noticed by Paul Marks <paul@pmarks.net>.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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net/ipv4/netfilter/ip_nat_snmp_basic.c: In function 'asn1_header_decode':
net/ipv4/netfilter/ip_nat_snmp_basic.c:248: warning: 'len' may be used unini
net/ipv4/netfilter/ip_nat_snmp_basic.c:248: warning: 'def' may be used unini
net/ipv4/netfilter/ip_nat_snmp_basic.c: In function 'snmp_translate':
net/ipv4/netfilter/ip_nat_snmp_basic.c:672: warning: 'l' may be used uniniti
net/ipv4/netfilter/ip_nat_snmp_basic.c:668: warning: 'type' may be used unin
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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- Don't trust a length which is greater than the working buffer.
An invalid length could cause overflow when calculating buffer size
for decoding oid.
- An oid length of zero is invalid and allows for an off-by-one error when
decoding oid because the first subid actually encodes first 2 subids.
- A primitive encoding may not have an indefinite length.
Thanks to Wei Wang from McAfee for report.
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Upstream commit: 607bfbf2d55dd1cfe5368b41c2a81a8c9ccf4723
When selecting a new window, tcp_select_window() tries not to shrink
the offered window by using the maximum of the remaining offered window
size and the newly calculated window size. The newly calculated window
size is always a multiple of the window scaling factor, the remaining
window size however might not be since it depends on rcv_wup/rcv_nxt.
This means we're effectively shrinking the window when scaling it down.
The dump below shows the problem (scaling factor 2^7):
- Window size of 557 (71296) is advertised, up to 3111907257:
IP 172.2.2.3.33000 > 172.2.2.2.33000: . ack 3111835961 win 557 <...>
- New window size of 514 (65792) is advertised, up to 3111907217, 40 bytes
below the last end:
IP 172.2.2.3.33000 > 172.2.2.2.33000: . 3113575668:3113577116(1448) ack 3111841425 win 514 <...>
The number 40 results from downscaling the remaining window:
3111907257 - 3111841425 = 65832
65832 / 2^7 = 514
65832 % 2^7 = 40
If the sender uses up the entire window before it is shrunk, this can have
chaotic effects on the connection. When sending ACKs, tcp_acceptable_seq()
will notice that the window has been shrunk since tcp_wnd_end() is before
tp->snd_nxt, which makes it choose tcp_wnd_end() as sequence number.
This will fail the receivers checks in tcp_sequence() however since it
is before it's tp->rcv_wup, making it respond with a dupack.
If both sides are in this condition, this leads to a constant flood of
ACKs until the connection times out.
Make sure the window is never shrunk by aligning the remaining window to
the window scaling factor.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Due to index register access ordering problems, when using macros a line
like this fails (and does nothing):
setCx86(CX86_CCR2, getCx86(CX86_CCR2) | 0x88);
With inlined functions this line will work as expected.
Note about a side effect: Seems on Geode GX1 based systems the
"suspend on halt power saving feature" was never enabled due to this
wrong macro expansion. With inlined functions it will be enabled, but
this will stop the TSC when the CPU runs into a HLT instruction.
Kernel output something like this:
Clocksource tsc unstable (delta = -472746897 ns)
This is the 3rd version of this patch.
- Adding missed arch/i386/kernel/cpu/mtrr/state.c
Thanks to Andres Salomon
- Adding some big fat comments into the new header file
Suggested by Andi Kleen
AK: fixed x86-64 compilation
Adrian Bunk:
Added workaround for x86_64 compilation.
Signed-off-by: Juergen Beisert <juergen@kreuzholzen.de>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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From: Heiko Carstens <heiko.carstens@de.ibm.com>
We got several false bug reports because of enabled
CONFIG_DETECT_SOFTLOCKUP. Disable soft lockup detection on s390, since it
doesn't work on a virtualized architecture.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Fixes a typo which caused fib_props[] to have the wrong size
and makes sure the value used to index the array which is
provided by userspace via netlink is checked to avoid out of
bound access.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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I overlooked one. Setting the flag and killing the URBs must be under the lo
so that no URB is submitted after usb_kill_urb()
Adrian Bunk:
Backported to 2.6.16.
Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Building kernel 2.6.16 with gcc 4.3 is completely untested, and
you might run into both kernel and gcc problems (as always with
new gcc versions).
For making this obvious the kernel build now #error's when trying
to build with gcc >= 4.3.
The kernel might work fine when compiled with gcc 4.3 and it's
therefore possible to remove the #error, but if someone really
longs for regressions he can as well try a more recent kernel
instead.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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It looks like nfs_setattr() and nfs_rename() also need to test whether the
target is a regular file before calling nfs_wb_all()...
It isn't technically needed since the version of nfs_wb_all() that exists
on 2.6.16 should be safe to call on non-regular files (it will be a no-op).
However it is a useful optimisation.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Ensure that we flush out writes in the case when someone calls utimes() in
order to set the file times.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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fix: http://bugzilla.kernel.org/show_bug.cgi?id=3043
only allow coredumping to the same uid that the coredumping
task runs under.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Fix possible memory overrun issue in the isdn ioctl code.
Found by ADLAB <adlab@venustech.com.cn>
Signed-off-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Addresses http://bugzilla.kernel.org/show_bug.cgi?id=9416
Signed-off-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Signed-off-by: Ben Collins <bcollins@ubuntu.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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[ Upstream commit: 1c9b7aa1eb40ab708ef3242f74b9a61487623168 ]
Al went through the ip_fast_csum callers and found this piece of code
that did not validate the IP header. While root crashing the machine
by sending bogus packets through raw or AF_PACKET sockets isn't that
serious, it is still nice to react gracefully.
This patch ensures that the skb has enough data for an IP header and
that the header length field is valid.
Adrian Bunk:
Backported to 2.6.16 following instructions by David Miller.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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[ Upstream commit: d8c9283089287341c85a0a69de32c2287a990e71 ]
I noticed "ip route list cache x.y.z.t" can be *very* slow.
While strace-ing -T it I also noticed that first part of route cache
is fetched quite fast :
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000},
+msg_iov(1)=[{"p\0\0\0\30\0\2\0\254i\202
GXm\0\0\2 \0\376\0\0\2\0\2\0"..., 16384}], msg_controllen=0, msg_flags=0}, 0) =
+3772 <0.000047>
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000},
+msg_iov(1)=[{"\234\0\0\0\30\0\2\0\254i\
202GXm\0\0\2 \0\376\0\0\1\0\2"..., 16384}], msg_controllen=0, msg_flags=0}, 0)
+= 3736 <0.000042>
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000},
+msg_iov(1)=[{"\204\0\0\0\30\0\2\0\254i\
202GXm\0\0\2 \0\376\0\0\1\0\2"..., 16384}], msg_controllen=0, msg_flags=0}, 0)
+= 3740 <0.000055>
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000},
+msg_iov(1)=[{"\234\0\0\0\30\0\2\0\254i\
202GXm\0\0\2 \0\376\0\0\1\0\2"..., 16384}], msg_controllen=0, msg_flags=0}, 0)
+= 3712 <0.000043>
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000},
+msg_iov(1)=[{"\204\0\0\0\30\0\2\0\254i\
202GXm\0\0\2 \0\376\0\0\1\0\2"..., 16384}], msg_controllen=0, msg_flags=0}, 0)
+= 3732 <0.000053>
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000},
+msg_iov(1)=[{"p\0\0\0\30\0\2\0\254i\202
GXm\0\0\2 \0\376\0\0\2\0\2\0"..., 16384}], msg_controllen=0, msg_flags=0}, 0) =
+3708 <0.000052>
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000},
+msg_iov(1)=[{"p\0\0\0\30\0\2\0\254i\202
GXm\0\0\2 \0\376\0\0\2\0\2\0"..., 16384}], msg_controllen=0, msg_flags=0}, 0) =
+3680 <0.000041>
while the part at the end of the table is more expensive:
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000},
+msg_iov(1)=[{"\204\0\0\0\30\0\2\0\254i\202GXm\0\0\2 \0\376\0\0\1\0\2"...,
+16384}], msg_controllen=0, msg_flags=0}, 0) = 3656 <0.003857>
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000},
+msg_iov(1)=[{"\204\0\0\0\30\0\2\0\254i\202GXm\0\0\2 \0\376\0\0\1\0\2"...,
+16384}], msg_controllen=0, msg_flags=0}, 0) = 3772 <0.003891>
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000},
+msg_iov(1)=[{"p\0\0\0\30\0\2\0\254i\202GXm\0\0\2 \0\376\0\0\2\0\2\0"...,
+16384}], msg_controllen=0, msg_flags=0}, 0) = 3712 <0.003765>
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000},
+msg_iov(1)=[{"p\0\0\0\30\0\2\0\254i\202GXm\0\0\2 \0\376\0\0\2\0\2\0"...,
+16384}], msg_controllen=0, msg_flags=0}, 0) = 3700 <0.003879>
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000},
+msg_iov(1)=[{"p\0\0\0\30\0\2\0\254i\202GXm\0\0\2 \0\376\0\0\2\0\2\0"...,
+16384}], msg_controllen=0, msg_flags=0}, 0) = 3676 <0.003797>
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000},
+msg_iov(1)=[{"p\0\0\0\30\0\2\0\254i\202GXm\0\0\2 \0\376\0\0\2\0\2\0"...,
+16384}], msg_controllen=0, msg_flags=0}, 0) = 3724 <0.003856>
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000},
+msg_iov(1)=[{"\234\0\0\0\30\0\2\0\254i\202GXm\0\0\2 \0\376\0\0\1\0\2"...,
+16384}], msg_controllen=0, msg_flags=0}, 0) = 3736 <0.003848>
The following patch corrects this performance/latency problem,
removing quadratic behavior.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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New types - for 16bit checksums and "unfolded" 32bit variant.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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[ Upstream commit: d011a231675b240157a3c335dd53e9b849d7d30d ]
skb->truesize was not being incremented at all to
reflect the page based data added to RX SKBs.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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[ Upstream commit: e5e025401f6e926c1d9dc3f3f2813cf98a2d8708 ]
Here's proposed fix for RX checksum handling in cassini; it affects
little-endian working with half-duplex gigabit, but obviously needs
testing on big-endian too.
The problem is, we need to convert checksum to fixed-endian *before*
correcting for (unstripped) FCS. On big-endian it won't matter
(conversion is no-op), on little-endian it will, but only if FCS is
not stripped by hardware; i.e. in half-duplex gigabit mode when
->crc_size is set.
cassini.c part is that fix, cassini.h one consists of trivial
endianness annotations. With that applied the sucker is endian-clean,
according to sparse.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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[ Upstream commit: 52961955aa180959158faeb9fd6b4f8a591450f5 ]
Adrian Bunk:
Backported to 2.6.16.
Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Minor number 0 (under the raw major) is reserved for the rawctl device
file, which is used to query, set, and unset raw device bindings. However,
the ioctl interface does not protect the user from specifying a raw device
with minor number 0:
$ sudo ./raw /dev/raw/raw0 /dev/VolGroup00/swap
/dev/raw/raw0: bound to major 253, minor 2
$ ls -l /dev/rawctl
ls: /dev/rawctl: No such file or directory
$ ls -l /dev/raw/raw0
crw------- 1 root root 162, 0 Jan 12 10:51 /dev/raw/raw0
$ sudo ./raw -qa
Cannot open master raw device '/dev/rawctl' (No such file or directory)
As you can see, this prevents any further raw operations from
succeeding. The fix (from Steve Fernandez) is quite simple - do not
allow the allocation of minor number 0.
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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patch a3474224e6a01924be40a8255636ea5522c1023a in mainline
The original meaning of the old test (p->state > TASK_STOPPED) was
"not dead", since it was before TASK_TRACED existed and before the
state/exit_state split. It was a wrong correction in commit
14bf01bb0599c89fc7f426d20353b76e12555308 to make this test for
TASK_TRACED instead. It should have been changed when TASK_TRACED
was introducted and again when exit_state was introduced.
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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First reported at http://projects.info-pull.com/mokb/MOKB-17-11-2006.html
Essentially a corrupted minix dir inode reporting a very large
i_size will loop for a very long time in minix_readdir, minix_find_entry,
etc, because on EIO they just move on to try the next page. This is
under the BKL, printk-storming as well. This can lock up the machine
for a very long time. Simply ratelimiting the printks gets things back
under control. Make the message a bit more informative while we're here.
Adrian Bunk:
Backported to 2.6.16.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Believe it or not, but in fs/minix/*, the oldest filesystem in the kernel,
something still can be fixed:
printk("new_inode: bit already set");
"\n" is missing!
While at it, I also removed periods from the end of error messages and made
capitalization uniform. Also s/i-node/inode/, s/printk (/printk(/
Signed-off-by: Denis Vlasenko <vda@ilport.com.ua>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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(CVE-2008-0001)
patch 974a9f0b47da74e28f68b9c8645c3786aa5ace1a in mainline
Way back when (in commit 834f2a4a1554dc5b2598038b3fe8703defcbe467, aka
"VFS: Allow the filesystem to return a full file pointer on open intent"
to be exact), Trond changed the open logic to keep track of the original
flags to a file open, in order to pass down the the intent of a dentry
lookup to the low-level filesystem.
However, when doing that reorganization, it changed the meaning of
namei_flags, and thus inadvertently changed the test of access mode for
directories (and RO filesystem) to use the wrong flag. So fix those
test back to use access mode ("acc_mode") rather than the open flag
("flag").
Issue noticed by Bill Roman at Datalight.
Reported-and-tested-by: Bill Roman <bill.roman@datalight.com>
Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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[ Upstream commit: f398035f2dec0a6150833b0bc105057953594edb ]
The aalgos/ealgos fields are only 32 bits wide. However, af_key tries
to test them with the expression 1 << id where id can be as large as
253. This produces different behaviour on different architectures.
The following patch explicitly checks whether ID is greater than 31
and fails the check if that's the case.
We cannot easily extend the mask to be longer than 32 bits due to
exposure to user-space. Besides, this whole interface is obsolete
anyway in favour of the xfrm_user interface which doesn't use this
bit mask in templates (well not within the kernel anyway).
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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[ Upstream commit: 9e8d6f8959c356d8294d45f11231331c3e1bcae6 ]
easy to trigger as user with sfuzz.
irda_create() is quiet on unknown sock->type,
match this behaviour for SOCK_DGRAM unknown protocol
Signed-off-by: Maximilian Attems <max@stro.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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[ Upstream commit: 44344b2a85f03326c7047a8c861b0c625c674839 ]
When re-naming an interface, the previous secondary address
labels get lost e.g.
$> brctl addbr foo
$> ip addr add 192.168.0.1 dev foo
$> ip addr add 192.168.0.2 dev foo label foo:00
$> ip addr show dev foo | grep inet
inet 192.168.0.1/32 scope global foo
inet 192.168.0.2/32 scope global foo:00
$> ip link set foo name bar
$> ip addr show dev bar | grep inet
inet 192.168.0.1/32 scope global bar
inet 192.168.0.2/32 scope global bar:2
Turns out to be a simple thinko in inetdev_changename() - clearly we
want to look at the address label, rather than the device name, for
a suffix to retain.
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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