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commit 0754fb298f2f2719f0393491d010d46cfb25d043 upstream.
I was seeing some really weird behaviour where piping UML's output
somewhere would cause output to get duplicated:
$ ./vmlinux | head -n 40
Checking that ptrace can change system call numbers...Core dump limits :
soft - 0
hard - NONE
OK
Checking syscall emulation patch for ptrace...Core dump limits :
soft - 0
hard - NONE
OK
Checking advanced syscall emulation patch for ptrace...Core dump limits :
soft - 0
hard - NONE
OK
Core dump limits :
soft - 0
hard - NONE
This is because these tests do a fork() which duplicates the non-empty
stdout buffer, then glibc flushes the duplicated buffer as each child
exits.
A simple workaround is to flush before forking.
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 9f2dfda2f2f1c6181c3732c16b85c59ab2d195e0 upstream.
An inverted return value check in hostfs_mknod() caused the function
to return success after handling it as an error (and cleaning up).
It resulted in the following segfault when trying to bind() a named
unix socket:
Pid: 198, comm: a.out Not tainted 4.4.0-rc4
RIP: 0033:[<0000000061077df6>]
RSP: 00000000daae5d60 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 000000006092a460 RCX: 00000000dfc54208
RDX: 0000000061073ef1 RSI: 0000000000000070 RDI: 00000000e027d600
RBP: 00000000daae5de0 R08: 00000000da980ac0 R09: 0000000000000000
R10: 0000000000000003 R11: 00007fb1ae08f72a R12: 0000000000000000
R13: 000000006092a460 R14: 00000000daaa97c0 R15: 00000000daaa9a88
Kernel panic - not syncing: Kernel mode fault at addr 0x40, ip 0x61077df6
CPU: 0 PID: 198 Comm: a.out Not tainted 4.4.0-rc4 #1
Stack:
e027d620 dfc54208 0000006f da981398
61bee000 0000c1ed daae5de0 0000006e
e027d620 dfcd4208 00000005 6092a460
Call Trace:
[<60dedc67>] SyS_bind+0xf7/0x110
[<600587be>] handle_syscall+0x7e/0x80
[<60066ad7>] userspace+0x3e7/0x4e0
[<6006321f>] ? save_registers+0x1f/0x40
[<6006c88e>] ? arch_prctl+0x1be/0x1f0
[<60054985>] fork_handler+0x85/0x90
Let's also get rid of the "cosmic ray protection" while we're at it.
Fixes: e9193059b1b3 "hostfs: fix races in dentry_name() and inode_name()"
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 385277bfb57faac44e92497104ba542cdd82d5fe upstream.
When there is an error copying a chunk dm-snapshot can incorrectly hold
associated bios indefinitely, resulting in hung IO.
The function copy_callback sets pe->error if there was error copying the
chunk, and then calls complete_exception. complete_exception calls
pending_complete on error, otherwise it calls commit_exception with
commit_callback (and commit_callback calls complete_exception).
The persistent exception store (dm-snap-persistent.c) assumes that calls
to prepare_exception and commit_exception are paired.
persistent_prepare_exception increases ps->pending_count and
persistent_commit_exception decreases it.
If there is a copy error, persistent_prepare_exception is called but
persistent_commit_exception is not. This results in the variable
ps->pending_count never returning to zero and that causes some pending
exceptions (and their associated bios) to be held forever.
Fix this by unconditionally calling commit_exception regardless of
whether the copy was successful. A new "valid" parameter is added to
commit_exception -- when the copy fails this parameter is set to zero so
that the chunk that failed to copy (and all following chunks) is not
recorded in the snapshot store. Also, remove commit_callback now that
it is merely a wrapper around pending_complete.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 7f3697e24dc3820b10f445a4a7d914fc356012d1 upstream.
Dmitry reported that he was able to reproduce the WARN_ON_ONCE that
fires in locks_free_lock_context when the flc_posix list isn't empty.
The problem turns out to be that we're basically rebuilding the
file_lock from scratch in fcntl_setlk when we discover that the setlk
has raced with a close. If the l_whence field is SEEK_CUR or SEEK_END,
then we may end up with fl_start and fl_end values that differ from
when the lock was initially set, if the file position or length of the
file has changed in the interim.
Fix this by just reusing the same lock request structure, and simply
override fl_type value with F_UNLCK as appropriate. That ensures that
we really are unlocking the lock that was initially set.
While we're there, make sure that we do pop a WARN_ON_ONCE if the
removal ever fails. Also return -EBADF in this event, since that's
what we would have returned if the close had happened earlier.
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Fixes: c293621bbf67 (stale POSIX lock handling)
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Acked-by: "J. Bruce Fields" <bfields@fieldses.org>
[bwh: Backported to 3.2: s/i_flctx->flc_posix/inode->i_flock/ in comments]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 6b9140f39c2aaf76791197fbab0839c0e4af56e8 upstream.
Writing 0 length data into test_power makes it access an invalid array
location and kill the system.
Fixes: f17ef9b2d ("power: Make test_power driver more dynamic.")
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit bb00c898ad1ce40c4bb422a8207ae562e9aea7ae upstream.
If a name contains at least some characters with Unicode values
exceeding single byte, the CS0 output should have 2 bytes per character.
And if other input characters have single byte Unicode values, then
the single input byte is converted to 2 output bytes, and the length
of output becomes larger than the length of input. And if the input
name is long enough, the output length may exceed the allocated buffer
length.
All this means that conversion from UTF8 or NLS to CS0 requires
checking of output length in order to stop when it exceeds the given
output buffer size.
[JK: Make code return -ENAMETOOLONG instead of silently truncating the
name]
Signed-off-by: Andrew Gabbasov <andrew_gabbasov@mentor.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit ad402b265ecf6fa22d04043b41444cdfcdf4f52d upstream.
udf_CS0toUTF8 function stops the conversion when the output buffer
length reaches UDF_NAME_LEN-2, which is correct maximum name length,
but, when checking, it leaves the space for a single byte only,
while multi-bytes output characters can take more space, causing
buffer overflow.
Similar error exists in udf_CS0toNLS function, that restricts
the output length to UDF_NAME_LEN, while actual maximum allowed
length is UDF_NAME_LEN-2.
In these cases the output can override not only the current buffer
length field, causing corruption of the name buffer itself, but also
following allocation structures, causing kernel crash.
Adjust the output length checks in both functions to prevent buffer
overruns in case of multi-bytes UTF8 or NLS characters.
Signed-off-by: Andrew Gabbasov <andrew_gabbasov@mentor.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 6a1f513776b78c994045287073e55bae44ed9f8c upstream.
On a cancelled suspend the vcpu_info location does not change (it's
still in the per-cpu area registered by xen_vcpu_setup()). So do not
call xen_hvm_init_shared_info() which would make the kernel think its
back in the shared info. With the wrong vcpu_info, events cannot be
received and the domain will hang after a cancelled suspend.
Signed-off-by: Charles Ouyang <ouyangzhaowei@huawei.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit dd0d0d4de582a6a61c032332c91f4f4cb2bab569 upstream.
Without i8042.nomux=1 the Elantech touch pad is not working at all on
a Fujitsu Lifebook U745. This patch does not seem necessary for all
U745 (maybe because of different BIOS versions?). However, it was
verified that the patch does not break those (see opensuse bug 883192:
https://bugzilla.opensuse.org/show_bug.cgi?id=883192).
Signed-off-by: Aurélien Francillon <aurelien@francillon.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit ade14a7df796d4e86bd9d181193c883a57b13db0 upstream.
If a NFSv4 client uses the cache_consistency_bitmask in order to
request only information about the change attribute, timestamps and
size, then it has not revalidated all attributes, and hence the
attribute timeout timestamp should not be updated.
Reported-by: Donald Buczek <buczek@molgen.mpg.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit b68d0ae7e58624c33f2eddab471fee55db27dbf9 upstream.
This driver fails to copy the module parameter for software encryption
to the locations used by the main code.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
[bwh: Backported to 3.2: adjust filename, context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit b24f19f16b9e43f54218c07609b783ea8625406a upstream.
The module parameter for software encryption was never transferred to
the location used by the driver.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 7503efbd82c15c4070adffff1344e5169d3634b4 upstream.
Two of the module parameter descriptions show incorrect default values.
In addition the value for software encryption is not transferred to
the locations used by the driver.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit d4d60b4caaa5926e1b243070770968f05656107a upstream.
Two of the module parameters are listed with incorrect default values.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 0d430e3fb3f7cdc13c0d22078b820f682821b45a upstream.
This was meant to print base address and entry count; make it do so
again.
Fixes: 37868fe113ff "x86/ldt: Make modify_ldt synchronous"
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Andy Lutomirski <luto@kernel.org>
Link: http://lkml.kernel.org/r/56797D8402000078000C24F0@prv-mh.provo.novell.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 1b9f23727abb92c5e58f139e7d180befcaa06fe0 upstream.
The posix_clock_poll function is supposed to return a bit mask of
POLLxxx values. However, in case the hardware has disappeared (due to
hot plugging for example) this code returns -ENODEV in a futile
attempt to throw an error at the file descriptor level. The kernel's
file_operations interface does not accept such error codes from the
poll method. Instead, this function aught to return POLLERR.
The value -ENODEV does, in fact, contain the POLLERR bit (and almost
all the other POLLxxx bits as well), but only by chance. This patch
fixes code to return a proper bit mask.
Credit goes to Markus Elfring for pointing out the suspicious
signed/unsigned mismatch.
Reported-by: Markus Elfring <elfring@users.sourceforge.net>
igned-off-by: Richard Cochran <richardcochran@gmail.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Link: http://lkml.kernel.org/r/1450819198-17420-1-git-send-email-richardcochran@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit f7d7f59ab124748156ea551edf789994f05da342 upstream.
Add the USB device ID for ELV Marble Sound Board 1.
Signed-off-by: Oliver Freyermuth <o.freyermuth@googlemail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit b0918d9f476a8434b055e362b83fa4fd1d462c3f upstream.
udf_next_aext() just follows extent pointers while extents are marked as
indirect. This can loop forever for corrupted filesystem. Limit number
the of indirect extents we are willing to follow in a row.
[JK: Updated changelog, limit, style]
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Cc: Jan Kara <jack@suse.com>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 0eb1c3d4084eeb6fb3a703f88d6ce1521f8fcdd1 upstream.
Combine the two quirks.
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=109481
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit dbec6719ac036f68568d8488805d41346c021eff upstream.
The commit d7ba858a7f7a (ALSA: fm801: implement TEA575x tuner autodetection)
brings autodetection to the driver. However the autodetection algorithm misses
the TUNER_ONLY bit if it is supplied by the user.
Thus, user gets weird messages and no card registered.
snd_fm801 0000:0d:01.0: detected TEA575x radio type SF64-PCR
snd_fm801 0000:0d:01.0: AC'97 interface is busy (1)
snd_fm801 0000:0d:01.0: AC'97 interface is busy (1)
...
snd_fm801 0000:0d:01.0: AC'97 0 does not respond - RESET
snd_fm801 0000:0d:01.0: AC'97 interface is busy (1)
snd_fm801 0000:0d:01.0: AC'97 interface is busy (1)
snd_fm801 0000:0d:01.0: AC'97 0 access is not valid [0x0], removing mixer.
snd_fm801: probe of 0000:0d:01.0 failed with error -5
Do a copy of TUNER_ONLY bit to be applied after autodetection is done.
Fixes: d7ba858a7f7a (ALSA: fm801: implement TEA575x tuner autodetection)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit fb75a4282d0d9a3c7c44d940582c2d226cf3acfb upstream.
If the proxy lock in the requeue loop acquires the rtmutex for a
waiter then it acquired also refcount on the pi_state related to the
futex, but the waiter side does not drop the reference count.
Add the missing free_pi_state() call.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Darren Hart <darren@dvhart.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Bhuvanesh_Surachari@mentor.com
Cc: Andy Lowe <Andy_Lowe@mentor.com>
Link: http://lkml.kernel.org/r/20151219200607.178132067@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit b70183db83552cf63cac51406aaf76a2cf5fca73 upstream.
Since it is possible for an external system to send oversize packets
at anytime, it is best for driver not to print a message and spam
the log (potential external DoS).
Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=109471
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Backported to 3.2: adjust filename, context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 81d7a3294de7e9828310bbf986a67246b13fa01e upstream.
According to memory-barriers.txt, xchg*, cmpxchg* and their atomic_
versions all need to be fully ordered, however they are now just
RELEASE+ACQUIRE, which are not fully ordered.
So also replace PPC_RELEASE_BARRIER and PPC_ACQUIRE_BARRIER with
PPC_ATOMIC_ENTRY_BARRIER and PPC_ATOMIC_EXIT_BARRIER in
__{cmp,}xchg_{u32,u64} respectively to guarantee fully ordered semantics
of atomic{,64}_{cmp,}xchg() and {cmp,}xchg(), as a complement of commit
b97021f85517 ("powerpc: Fix atomic_xxx_return barrier semantics")
This patch depends on patch "powerpc: Make value-returning atomics fully
ordered" for PPC_ATOMIC_ENTRY_BARRIER definition.
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
[bwh: backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 49e9cf3f0c04bf76ffa59242254110309554861d upstream.
According to memory-barriers.txt:
> Any atomic operation that modifies some state in memory and returns
> information about the state (old or new) implies an SMP-conditional
> general memory barrier (smp_mb()) on each side of the actual
> operation ...
Which mean these operations should be fully ordered. However on PPC,
PPC_ATOMIC_ENTRY_BARRIER is the barrier before the actual operation,
which is currently "lwsync" if SMP=y. The leading "lwsync" can not
guarantee fully ordered atomics, according to Paul Mckenney:
https://lkml.org/lkml/2015/10/14/970
To fix this, we define PPC_ATOMIC_ENTRY_BARRIER as "sync" to guarantee
the fully-ordered semantics.
This also makes futex atomics fully ordered, which can avoid possible
memory ordering problems if userspace code relies on futex system call
for fully ordered semantics.
Fixes: b97021f85517 ("powerpc: Fix atomic_xxx_return barrier semantics")
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit fcd5c4dd8201595d4c598c9cca5e54760277d687 upstream.
EDAC workqueue destruction is really fragile. We cancel delayed work
but if it is still running and requeues itself, we still go ahead and
destroy the workqueue and the queued work explodes when workqueue core
attempts to run it.
Make the destruction more robust by switching op_state to offline so
that requeuing stops. Cancel any pending work *synchronously* too.
EDAC i7core: Driver loaded.
general protection fault: 0000 [#1] SMP
CPU 12
Modules linked in:
Supported: Yes
Pid: 0, comm: kworker/0:1 Tainted: G IE 3.0.101-0-default #1 HP ProLiant DL380 G7
RIP: 0010:[<ffffffff8107dcd7>] [<ffffffff8107dcd7>] __queue_work+0x17/0x3f0
< ... regs ...>
Process kworker/0:1 (pid: 0, threadinfo ffff88019def6000, task ffff88019def4600)
Stack:
...
Call Trace:
call_timer_fn
run_timer_softirq
__do_softirq
call_softirq
do_softirq
irq_exit
smp_apic_timer_interrupt
apic_timer_interrupt
intel_idle
cpuidle_idle_call
cpu_idle
Code: ...
RIP __queue_work
RSP <...>
Signed-off-by: Borislav Petkov <bp@suse.de>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 9b2761cb72dc41e1948c8a5512b4efd384eda130 upstream.
The maximum chunks used by the function is
(SPI_AGGR_BUFFER_SIZE / WSPI_MAX_CHUNK_SIZE + 1).
The original commands array had space for
(SPI_AGGR_BUFFER_SIZE / WSPI_MAX_CHUNK_SIZE) commands.
When the last chunk is used (len > 4 * WSPI_MAX_CHUNK_SIZE), the last
command is stored outside the bounds of the commands array.
Oops 5 (page fault) is generated during current wl1271 firmware load
attempt:
root@debian-armhf:~# ifconfig wlan0 up
[ 294.312399] Unable to handle kernel paging request at virtual address
00203fc4
[ 294.320173] pgd = de528000
[ 294.323028] [00203fc4] *pgd=00000000
[ 294.326916] Internal error: Oops: 5 [#1] SMP ARM
[ 294.331789] Modules linked in: bnep rfcomm bluetooth ipv6 arc4 wl12xx
wlcore mac80211 musb_dsps cfg80211 musb_hdrc usbcore usb_common
wlcore_spi omap_rng rng_core musb_am335x omap_wdt cpufreq_dt thermal_sys
hwmon
[ 294.351838] CPU: 0 PID: 1827 Comm: ifconfig Not tainted
4.2.0-00002-g3e9ad27-dirty #78
[ 294.360154] Hardware name: Generic AM33XX (Flattened Device Tree)
[ 294.366557] task: dc9d6d40 ti: de550000 task.ti: de550000
[ 294.372236] PC is at __spi_validate+0xa8/0x2ac
[ 294.376902] LR is at __spi_sync+0x78/0x210
[ 294.381200] pc : [<c049c760>] lr : [<c049ebe0>] psr: 60000013
[ 294.381200] sp : de551998 ip : de5519d8 fp : 00200000
[ 294.393242] r10: de551c8c r9 : de5519d8 r8 : de3a9000
[ 294.398730] r7 : de3a9258 r6 : de3a9400 r5 : de551a48 r4 :
00203fbc
[ 294.405577] r3 : 00000000 r2 : 00000000 r1 : 00000000 r0 :
de3a9000
[ 294.412420] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM
Segment user
[ 294.419918] Control: 10c5387d Table: 9e528019 DAC: 00000015
[ 294.425954] Process ifconfig (pid: 1827, stack limit = 0xde550218)
[ 294.432437] Stack: (0xde551998 to 0xde552000)
...
[ 294.883613] [<c049c760>] (__spi_validate) from [<c049ebe0>]
(__spi_sync+0x78/0x210)
[ 294.891670] [<c049ebe0>] (__spi_sync) from [<bf036598>]
(wl12xx_spi_raw_write+0xfc/0x148 [wlcore_spi])
[ 294.901661] [<bf036598>] (wl12xx_spi_raw_write [wlcore_spi]) from
[<bf21c694>] (wlcore_boot_upload_firmware+0x1ec/0x458 [wlcore])
[ 294.914038] [<bf21c694>] (wlcore_boot_upload_firmware [wlcore]) from
[<bf24532c>] (wl12xx_boot+0xc10/0xfac [wl12xx])
[ 294.925161] [<bf24532c>] (wl12xx_boot [wl12xx]) from [<bf20d5cc>]
(wl1271_op_add_interface+0x5b0/0x910 [wlcore])
[ 294.936364] [<bf20d5cc>] (wl1271_op_add_interface [wlcore]) from
[<bf15c4ac>] (ieee80211_do_open+0x44c/0xf7c [mac80211])
[ 294.947963] [<bf15c4ac>] (ieee80211_do_open [mac80211]) from
[<c0537978>] (__dev_open+0xa8/0x110)
[ 294.957307] [<c0537978>] (__dev_open) from [<c0537bf8>]
(__dev_change_flags+0x88/0x148)
[ 294.965713] [<c0537bf8>] (__dev_change_flags) from [<c0537cd0>]
(dev_change_flags+0x18/0x48)
[ 294.974576] [<c0537cd0>] (dev_change_flags) from [<c05a55a0>]
(devinet_ioctl+0x6b4/0x7d0)
[ 294.983191] [<c05a55a0>] (devinet_ioctl) from [<c0517040>]
(sock_ioctl+0x1e4/0x2bc)
[ 294.991244] [<c0517040>] (sock_ioctl) from [<c017d378>]
(do_vfs_ioctl+0x420/0x6b0)
[ 294.999208] [<c017d378>] (do_vfs_ioctl) from [<c017d674>]
(SyS_ioctl+0x6c/0x7c)
[ 295.006880] [<c017d674>] (SyS_ioctl) from [<c000f4c0>]
(ret_fast_syscall+0x0/0x54)
[ 295.014835] Code: e1550004 e2444034 0a00007d e5953018 (e5942008)
[ 295.021544] ---[ end trace 66ed188198f4e24e ]---
Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
[bwh: Backported to 3.2: adjust filename, context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 4eeac22c159f053ea34527e4fea359ab10b4b5a5 upstream.
In corner case for wl12xx_spi_raw_write() when
len == SPI_AGGR_BUFFER_SIZE
we don't setup correctly spi transfer_list.
Next we will have garbage and strange errors
reported by SPI framework (eg. wrong speed_hz,
failed to transfer one message from queue)
when iterate transfer_list.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
[bwh: Backported to 3.2: adjust filename, context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 17bc55864f81dd730d05f09b1641312a7990d636 upstream.
Free skb for received frames with a wrong checksum. This can happen
pretty rapidly, exhausting all memory.
This fixes a memleak (detected with kmemleak). Originally found while
using monitor mode, but it also appears during managed mode (once the
link is up).
Signed-off-by: Peter Wu <peter@lekensteyn.nl>
ACKed-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
[bwh: Backported to 3.2: adjust filename, context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 1eaf35e4dd592c59041bc1ed3248c46326da1f5f upstream.
The module should fail to load.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[bwh: Backported to 3.2: xhci_hcd_init() registers the PCI driver, so
check before doing that rather than at the end of the function]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit dbb17a21c131eca94eb31136eee9a7fe5aff00d9 upstream.
Need to call this on resume if displays changes during
suspend in order to properly be notified of changes.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit de64aa9ec129ba627634088f662a4d09e356ddb6 upstream.
src_ssync_features field is only 1 byte large, and the 4th reserved area
is actually 8 bytes large.
Fixes: d1e1f4e42b5 ("mtd: nand: add support for reading ONFI parameters from NAND device")
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 3a318426e09a9c9266fe6440842e11238f640a20 upstream.
We check for overflow here, but we don't check for underflow so it
causes a static checker warning.
Fixes: fb9987d0f748 ('ath9k_htc: Support for AR9271 chipset.')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit aba2f06c070f604e388cf77b1dcc7f4cf4577eb0 upstream.
Poor #AC was so unimportant until a few days ago that we were
not even tracing its name correctly. But now it's all over
the place.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 9dbe6cf941a6fe82933aef565e4095fb10f65023 upstream.
If we do not do this, it is not properly saved and restored across
migration. Windows notices due to its self-protection mechanisms,
and is very upset about it (blue screen of death).
Cc: Radim Krcmar <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
[bwh: Backported to 3.2:
- We didn't yet have the switch() in kvm_init_msr_list as MPX is not
supported at all
- Adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit d282e2b383e3f41a7758e8cbf3076091ef9d9447 upstream.
The initio driver has for many years had two copies of the
same module device table. One of them is also used for registering
the other driver, the other one is entirely useless after the
large scale cleanup that Alan Cox did back in 2007.
The compiler warns about this whenever the driver is built-in:
drivers/scsi/initio.c:131:29: warning: 'i91u_pci_devices' defined but not used [-Wunused-variable]
This removes the extraneous table and the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 72d39fea901 ("[SCSI] initio: Convert into a real Linux driver and update to modern style")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 2ff56fadd94cdaeeaeccbc0a9b703a0101ada128 upstream.
rc-main mistakenly uses #ifdef MODULE to determine whether it should
load the rc keymap modules. This symbol is only defined if rc-main
is being built as a module itself, and bears no relation to whether
the rc keymaps are modules.
Fix this to use CONFIG_MODULES instead.
Fixes: 631493ecacd8 ("[media] rc-core: merge rc-map.c into rc-main.c")
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit c9d57de6103e343f2d4e04ea8d9e417e10a24da7 upstream.
When in FE_TUNE_MODE_ONESHOT the frontend must report
the actual capabilities so user can take appropriate
action.
With frontends that can't do auto inversion this is done
by dvb-core automatically so CAN_INVERSION_AUTO is valid.
However, when in FE_TUNE_MODE_ONESHOT this is not true.
So only set FE_CAN_INVERSION_AUTO in modes other than
FE_TUNE_MODE_ONESHOT
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit dcc7fdbec53a960588f2c40232db2c6466c09917 upstream.
v4l2-compliance sends a zeroed struct v4l2_streamparm in
v4l2-test-formats.cpp::testParmType(), and this results in a division by
0 in some gspca subdrivers:
divide error: 0000 [#1] SMP
Modules linked in: gspca_ov534 gspca_main ...
CPU: 0 PID: 17201 Comm: v4l2-compliance Not tainted 4.3.0-rc2-ao2 #1
Hardware name: System manufacturer System Product Name/M2N-E SLI, BIOS
ASUS M2N-E SLI ACPI BIOS Revision 1301 09/16/2010
task: ffff8800818306c0 ti: ffff880095c4c000 task.ti: ffff880095c4c000
RIP: 0010:[<ffffffffa079bd62>] [<ffffffffa079bd62>] sd_set_streamparm+0x12/0x60 [gspca_ov534]
RSP: 0018:ffff880095c4fce8 EFLAGS: 00010296
RAX: 0000000000000000 RBX: ffff8800c9522000 RCX: ffffffffa077a140
RDX: 0000000000000000 RSI: ffff880095e0c100 RDI: ffff8800c9522000
RBP: ffff880095e0c100 R08: ffffffffa077a100 R09: 00000000000000cc
R10: ffff880067ec7740 R11: 0000000000000016 R12: ffffffffa07bb400
R13: 0000000000000000 R14: ffff880081b6a800 R15: 0000000000000000
FS: 00007fda0de78740(0000) GS:ffff88012fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000014630f8 CR3: 00000000cf349000 CR4: 00000000000006f0
Stack:
ffffffffa07a6431 ffff8800c9522000 ffffffffa077656e 00000000c0cc5616
ffff8800c9522000 ffffffffa07a5e20 ffff880095e0c100 0000000000000000
ffff880067ec7740 ffffffffa077a140 ffff880067ec7740 0000000000000016
Call Trace:
[<ffffffffa07a6431>] ? v4l_s_parm+0x21/0x50 [videodev]
[<ffffffffa077656e>] ? vidioc_s_parm+0x4e/0x60 [gspca_main]
[<ffffffffa07a5e20>] ? __video_do_ioctl+0x280/0x2f0 [videodev]
[<ffffffffa07a5ba0>] ? video_ioctl2+0x20/0x20 [videodev]
[<ffffffffa07a59b9>] ? video_usercopy+0x319/0x4e0 [videodev]
[<ffffffff81182dc1>] ? page_add_new_anon_rmap+0x71/0xa0
[<ffffffff811afb92>] ? mem_cgroup_commit_charge+0x52/0x90
[<ffffffff81179b18>] ? handle_mm_fault+0xc18/0x1680
[<ffffffffa07a15cc>] ? v4l2_ioctl+0xac/0xd0 [videodev]
[<ffffffff811c846f>] ? do_vfs_ioctl+0x28f/0x480
[<ffffffff811c86d4>] ? SyS_ioctl+0x74/0x80
[<ffffffff8154a8b6>] ? entry_SYSCALL_64_fastpath+0x16/0x75
Code: c7 93 d9 79 a0 5b 5d e9 f1 f3 9a e0 0f 1f 00 66 2e 0f 1f 84 00
00 00 00 00 66 66 66 66 90 53 31 d2 48 89 fb 48 83 ec 08 8b 46 10 <f7>
76 0c 80 bf ac 0c 00 00 00 88 87 4e 0e 00 00 74 09 80 bf 4f
RIP [<ffffffffa079bd62>] sd_set_streamparm+0x12/0x60 [gspca_ov534]
RSP <ffff880095c4fce8>
---[ end trace 279710c2c6c72080 ]---
Following what the doc says about a zeroed timeperframe (see
http://www.linuxtv.org/downloads/v4l-dvb-apis/vidioc-g-parm.html):
...
To reset manually applications can just set this field to zero.
fix the issue by resetting the frame rate to a default value in case of
an unusable timeperframe.
The fix is done in the subdrivers instead of gspca.c because only the
subdrivers have notion of a default frame rate to reset the camera to.
Signed-off-by: Antonio Ospite <ao2@ao2.it>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
[bwh: Backported to 3.2: adjust filenames]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 18339f59c3a6698ee17d32970c9e1e450b16e7c3 upstream.
Fixed HID descriptor for DragonRise Joystick. Replaced default descriptor
which doubles Z axis and causes mixing values of X and Z axes.
Signed-off-by: Maciej Zuk <gzmlke@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit f7e7868b4743f1cc5e59e6e0ddd3ccf9cfe53a1b upstream.
Recently, i bought a blu-ray writer and noticed that while cdrecord
worked perfectly, random writing didn't work on rewritable bd-re media.
For example, dd if=/dev/zero of=/dev/sr0 bs=32768 count=2 gave the usual
"read-only file system" message.
After checking if the problem lies with my burner or firmware, i grep-ed
the kernel source for EROFS. One of the results was in the cdrom driver.
I tried to follow the function chain and ended in the cdrom_is_dvd_rw
function where writing is permitted only for DVD-RAM and DVD+RW media.
I added a new case label for 0x43 which is the profile name of BD-RE
and now it works correctly for BD-RE too.
Maybe there is a better way of implementing this, like a new function
checking for blu-ray support and called from cdrom_open_write like
it happens for mrw and dvdram media, but adding the case label worked.
Thank you for your time.
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit cdc5a3110e7c3ae793f367285789a6bc39c962dc upstream.
Adding Intel codename Lewisburg platform device IDs for SMBus.
Signed-off-by: Alexandra Yates <alexandra.yates@linux.intel.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 2b630df721ee4c286d286ab5d5d958d34c86f067 upstream.
Add missing entries into i2c-i801 documentation and Kconfig about recently
added Intel DNV and Broxton.
Reported-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit dd77f423e516293c37c2370b44fd700900409c48 upstream.
This patch adds the SMBUS PCI ID of Intel Broxton.
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 84d7f2ebd70d36e9d83e0973d2f4dac56a671f4f upstream.
Intel DNV SoC has the same legacy SMBus host controller than Intel
Sunrisepoint PCH. It also has same iTCO watchdog on the bus.
Add DNV PCI ID to the list of supported devices.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
[bwh: Backported to 3.2: no FEATURE_IRQ or FEATURE_TCO here]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 3eee1799aed90e990e02a73a89bfcff1982c74dd upstream.
Signed-off-by: Devin Ryles <devin.ryles@intel.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 3e27a8445c21f8056517f188303827450590d868 upstream.
This patch adds the I2C/SMBus Device IDs for the Intel Sunrise Point PCH.
Signed-off-by: James Ralston <james.d.ralston@intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit 39e8e30ee544a62c148033d64a979028b958ca05 upstream.
The SMBus host controller is the same as used in Baytrail so add the new
PCI ID to the driver's list of supported IDs.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit b299de839157852c563b9f133c8b7e630545a9c3 upstream.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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commit ce3161106ab57afbfbe1c33d95bf4a569405983a upstream.
A long name broke the alignment, shift the columns a bit to fix it and
make the table look nice again. While we're here, switch to the
standard comment style to make checkpatch happy, and use tabs instead
of spaces for column alignment.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
[bwh: Backported to 3.2: "Interrupt processing" isn't mentioned]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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