From: David Miller Sent: Friday, June 26, 2020 3:20 AM
> From: Tobias Waldekranz
> Date: Thu, 25 Jun 2020 10:57:28 +0200
>
> > In the ISR, we poll the event register for the queues in need of
> > service and then enter polled mode. After this point, the event
> > register will never be read agai
On 2020/6/25 上午6:25, Michael S. Tsirkin wrote:
Rename the bit to match latest virtio spec.
Add a compat macro to avoid breaking existing userspace.
Signed-off-by: Michael S. Tsirkin
---
arch/um/drivers/virtio_uml.c | 2 +-
drivers/vdpa/ifcvf/ifcvf_base.h| 2 +-
drivers/vdpa/vd
Hello,
syzbot found the following crash on:
HEAD commit:1590a2e1 Merge tag 'acpi-5.8-rc3' of git://git.kernel.org/..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1070059b10
kernel config: https://syzkaller.appspot.com/x/.config?x=20c907630cbdbe5
dash
Current police action must set 'rate' and 'burst'. 'mtu' parameter
set the max frame size and could be set alone without 'rate' and 'burst'
in some situation. Offloading to hardware for example, 'mtu' could limit
the flow max frame size.
Signed-off-by: Po Liu
---
tc/m_police.c | 4 ++--
1 file c
From: Oliver Herms
Date: Sat, 27 Jun 2020 14:33:30 +0200
> is there a reason sysctl settings like net/ipv4/route/
> - max_size
> - gc_thresh
> - gc_min_interval
> - gc_min_interval_ms
> - gc_elasticity
> are still around in current kernels?
Because otherwise scripts would break.
Sysctl is a us
From: linmiaohe
Date: Sat, 27 Jun 2020 15:47:51 +0800
> From: Miaohe Lin
>
> We can't cast sk_buff to rtable by (struct rtable *)hint. Use skb_rtable().
>
> Fixes: 02b24941619f ("ipv4: use dst hint for ipv4 list receive")
>
> Signed-off-by: Miaohe Lin
Please do not put empty lines between F
On 2020/6/28 8:52, David Miller wrote:
> From: Luo bin
> Date: Sat, 27 Jun 2020 14:52:37 +0800
>
>> patch #1: support to set and get pause params with
>> "ethtool -A/a" cmd
>> patch #2: support to set and get irq coalesce params with
>> "ethtool -C/c" cmd
>> patch #3: support
From: Luo bin
Date: Sat, 27 Jun 2020 14:52:37 +0800
> patch #1: support to set and get pause params with
> "ethtool -A/a" cmd
> patch #2: support to set and get irq coalesce params with
> "ethtool -C/c" cmd
> patch #3: support to do self test with "ethtool -t" cmd
> patch #4:
From: Yousuk Seung
Date: Fri, 26 Jun 2020 21:05:31 -0700
> Currently delivered and delivered_ce in OPT_STATS of SCM_TSTAMP_ACK do
> not fully reflect the current ack being timestamped. Also they are not
> in sync as the delivered count includes packets being sacked and some of
> cumulatively acke
From: Jeff Kirsher
Date: Fri, 26 Jun 2020 18:54:19 -0700
> +static int igc_ethtool_get_eee(struct net_device *netdev,
> +struct ethtool_eee *edata)
> +{
> + struct igc_adapter *adapter = netdev_priv(netdev);
> + struct igc_hw *hw = &adapter->hw;
> + u32 eee
From: Sean Tranchetti
Date: Fri, 26 Jun 2020 18:31:03 -0600
> @@ -328,6 +325,10 @@ int genl_register_family(struct genl_family *family)
> if (err)
> return err;
>
> + /* Acquire netlink table lock before any GENL-specific locks to ensure
> + * sync with any netlink
Silence documentation build warnings by correcting kernel-doc
comments. In the case of pcs_{config,an_restart,link_up}, change the
declaration to a normal function since these only there for
documentation anyway.
./include/linux/phylink.h:74: warning: Function parameter or member
'poll_fixed_stat
On Fri, Jun 26, 2020 at 10:58:14AM -0700, Cong Wang wrote:
> On Thu, Jun 25, 2020 at 10:23 PM Cameron Berkenpas wrote:
> >
> > Hello,
> >
> > Somewhere along the way I got the impression that it generally takes
> > those affected hours before their systems lock up. I'm (generally) able
> > to repr
The box has been up without issue for over 25 hours now. The patch seems
solid.
On 6/26/20 3:03 PM, Cameron Berkenpas wrote:
Box has been up for 25 minutes without issue. Probably the patch
works, but I can further confirm by tomorrow.
On 6/26/2020 10:58 AM, Cong Wang wrote:
On Thu, Jun 25, 2
On Sat, Jun 27, 2020 at 2:19 PM Saeed Mahameed wrote:
>
> From: Boris Pismenny
>
> The framework allows creating flow tables to steer incoming traffic of
> TCP sockets to the acceleration TIRs.
> This is used in downstream patches for TLS, and will be used in the
> future for other offloads.
>
>
MONEY-GRAM TRANSFERRED PAYMENT INFO:
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Fix some coding-style issues, including one which
made the function pointers in the struct ei_device
hard to understand.
Signed-off-by: Armin Wolf
---
drivers/net/ethernet/8390/8390.h | 61 +++-
1 file changed, 36 insertions(+), 25 deletions(-)
diff --git a/drivers/n
From: Tariq Toukan
Add global and per-channel ethtool SW stats for the device
offload.
Document the new counters in tls-offload.rst.
Signed-off-by: Tariq Toukan
Signed-off-by: Saeed Mahameed
---
Documentation/networking/tls-offload.rst | 18 +
.../mellanox/mlx5/core/en_accel/ktls
From: Tariq Toukan
Prior to this patch mlx5e tls rx handler was called unconditionally on
all rx frames and the decision whether a frame is a valid tls record
is done inside that function. A function call can be expensive especially
for regular rx packet rate. To avoid this, check the tls valid
From: Boris Pismenny
This reverts commit b3ae2459f89773adcbf16fef4b68deaaa3be1929.
Revert the force resync API.
Not in use. To be replaced by a better async resync API downstream.
Signed-off-by: Boris Pismenny
Signed-off-by: Tariq Toukan
Reviewed-by: Maxim Mikityanskiy
Signed-off-by: Saeed Ma
Hi Dave, Jakub
This is a re-spin of the previous kernel cycle mlx5 rx tls submission, From
Tariq
and Boris.
Changes from previous iteration:
1) Better handling of error flows in the resyc procedure.
2) An improved TLS device API for Asynchronous Resync to replace "force resync"
For this Tariq an
Store the default destinations of the on-load generated TTC
(Traffic Type Classifier) rules in the ttc rules table.
Introduce TTC API functions to manipulate/restore and get the TTC rule
destination and use these API functions in arfs implementation.
This will allow a better decoupling between TT
From: Tariq Toukan
There is an upcoming demand (in downstream patches) for
an ICOSQ to be populated out of the NAPI context, asynchronously.
There is already an existing one serving XSK-related use case.
In this patch, promote this ICOSQ to serve as general async ICOSQ,
to be used for XSK and no
From: Tariq Toukan
Take the CQ params into their respective RQ/SQ params.
Split the params build of the different ICOSQs (sync and async),
as they require different init values.
Signed-off-by: Tariq Toukan
Reviewed-by: Maxim Mikityanskiy
Signed-off-by: Saeed Mahameed
---
.../ethernet/mellano
From: Boris Pismenny
This patch adds support for asynchronous resynchronization in tls_device.
Async resync follows two distinct stages:
1. The NIC driver indicates that it would like to resync on some TLS
record within the received packet (P), but the driver does not
know (yet) which of the TLS
From: Tariq Toukan
Implement the RX resync procedure, using the TLS async resync API.
The HW offload of TLS decryption in RX side might get out-of-sync
due to out-of-order reception of packets.
This requires SW intervention to update the HW context and get it
back in-sync.
Performance:
CPU: Int
From: Tariq Toukan
Better separate the code into c/h files, so that kTLS internals
are exposed to the corresponding non-accel flow as follows:
- Necessary datapath functions are exposed via ktls_txrx.h.
- Necessary caps and configuration functions are exposed via ktls.h,
which became very small
From: Tariq Toukan
All callers of mlx5e_ktls_build_netdev() check capability
before the call.
Remove the repeated check in the function.
Signed-off-by: Tariq Toukan
Reviewed-by: Maxim Mikityanskiy
Signed-off-by: Saeed Mahameed
---
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c | 3 -
From: Tariq Toukan
Resync communication with HW for kTLS RX is done via the
async ICOSQs.
kTLS RX resync requests might come in bursts. To improve the
success chances for such bursts, use a larger ICOSQ.
Signed-off-by: Tariq Toukan
Reviewed-by: Maxim Mikityanskiy
Signed-off-by: Saeed Mahameed
From: Tariq Toukan
Implement driver support for the kTLS RX HW offload feature.
Resync support is added in a downstream patch.
New offload contexts post their static/progress params WQEs
over the per-channel async ICOSQ, protected under a spin-lock.
The Channel/RQ is selected according to the so
From: Boris Pismenny
The framework allows creating flow tables to steer incoming traffic of
TCP sockets to the acceleration TIRs.
This is used in downstream patches for TLS, and will be used in the
future for other offloads.
Signed-off-by: Boris Pismenny
Signed-off-by: Tariq Toukan
Signed-off-
From: Tariq Toukan
Modify the implementation of the private kTLS TX HW offload context
getter and setter, so it uses the kernel API functions, instead of
a local shadow structure.
A single BUILD_BUG_ON check is sufficient, remove the duplicate.
Signed-off-by: Tariq Toukan
Reviewed-by: Maxim Mik
From: Tariq Toukan
Given a socket, the function extracts the TCP/IP{4,6} ntuple
and adds rule to steering.
Another function gets the rule and deletes it.
Signed-off-by: Tariq Toukan
Signed-off-by: Saeed Mahameed
Reviewed-by: Maxim Mikityanskiy
---
.../mellanox/mlx5/core/en_accel/fs_tcp.c
syzbot has found a reproducer for the following crash on:
HEAD commit:1590a2e1 Merge tag 'acpi-5.8-rc3' of git://git.kernel.org/..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=14b2b50310
kernel config: https://syzkaller.appspot.com/x/.config?x=bf3aec3
On Thu, 2020-06-25 at 22:56 -0700, Saeed Mahameed wrote:
> This small patchset includes 3 patches to mlx5-next branch.
>
> 1) Include directives cleanup from Parav.
> 2) TLS Hardware layouts improvements from Tariq.
>
> Thanks,
> Saeed.
>
Series applied
>
> Hi Adrian, Andrew,
>
> Not sure I understand... You want the kernel to always pass page 03h to
> user space (potentially zeroed)? Page 03h is not mandatory according to
> the standard and page 01h contains information if page 03h is present or
Hi Ido!
Andrew was thinking of having 03h after 0
Hello,
syzbot found the following crash on:
HEAD commit:4a21185c Merge git://git.kernel.org/pub/scm/linux/kernel/g..
git tree: net
console output: https://syzkaller.appspot.com/x/log.txt?x=105b374d10
kernel config: https://syzkaller.appspot.com/x/.config?x=bf3aec367b9ab569
dashboar
On Fri, Jun 26, 2020 at 5:29 PM Song Liu wrote:
>
> Introduce helper bpf_get_task_stack(), which dumps stack trace of given
> task. This is different to bpf_get_stack(), which gets stack track of
> current task. One potential use case of bpf_get_task_stack() is to call
> it from bpf_iter__task and
On Fri, Jun 26, 2020 at 5:26 PM Song Liu wrote:
>
> Sanitize and expose get/put_callchain_entry(). This would be used by bpf
> stack map.
>
> Suggested-by: Peter Zijlstra
> Signed-off-by: Song Liu
> ---
Acked-by: Andrii Nakryiko
> include/linux/perf_event.h | 2 ++
> kernel/events/callchain
On Fri, Jun 26, 2020 at 5:23 PM Martin KaFai Lau wrote:
>
> On Fri, Jun 26, 2020 at 03:45:04PM -0700, Andrii Nakryiko wrote:
> > On Fri, Jun 26, 2020 at 10:56 AM Martin KaFai Lau wrote:
> > >
> > > It is common for networking tests creating its netns and making its own
> > > setting under this ne
On Fri, Jun 26, 2020 at 11:13:42PM +0100, Adrian Pop wrote:
> > You are saying pages 00h, 01h and 02h are mandatory for QSPF-DD. Page
> > 03h is optional, but when present, it seems to contain what is page
> > 02h above. Since the QSPF KAPI has it, QSPF-DD KAPI should also have
> > it. So i would
On Fri, Jun 26, 2020 at 5:32 PM Sean Tranchetti wrote:
>
> A potential deadlock can occur during registering or unregistering a new
> generic netlink family between the main nl_table_lock and the cb_lock where
> each thread wants the lock held by the other, as demonstrated below.
>
> 1) Thread 1 i
#syz test: https://github.com/congwang/linux.git net
On Wed, Jun 24, 2020 at 1:21 PM Samudrala, Sridhar
wrote:
>
>
>
> On 6/17/2020 6:15 AM, Maxim Mikityanskiy wrote:
> > Hi,
> >
> > I discovered Intel ADQ feature [1] that allows to boost performance by
> > picking dedicated queues for application traffic. We did some research,
> > and I got some le
On Sat, Jun 27, 2020 at 12:47:08PM +0200, Greg Kroah-Hartman wrote:
On Sat, Jun 27, 2020 at 06:14:44PM +0800, Coiby Xu wrote:
Remove trailing "*/" in block comments.
Signed-off-by: Coiby Xu
The subject lines of all of your patches should match other patches for
this driver. It should look l
Replace all pr_errs with netdev_err.
Suggested-by: Joe Perches
Signed-off-by: Coiby Xu
---
drivers/staging/qlge/qlge_dbg.c | 568
1 file changed, 289 insertions(+), 279 deletions(-)
diff --git a/drivers/staging/qlge/qlge_dbg.c b/drivers/staging/qlge/qlge_dbg.c
Some functions return without releasing the lock. Replace return with
break.
Suggested-by Dan Carpenter .
Signed-off-by: Coiby Xu
---
drivers/staging/qlge/qlge_dbg.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/qlge/qlge_dbg.c b/drivers/staging/qlge/
Remove trailing "*/" in block comments.
Signed-off-by: Coiby Xu
---
drivers/staging/qlge/qlge_main.c | 3 ++-
drivers/staging/qlge/qlge_mpi.c | 10 ++
2 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c
inde
Remove unnecessary elses after return or break.
Signed-off-by: Coiby Xu
---
drivers/staging/qlge/qlge_dbg.c | 23 ++-
drivers/staging/qlge/qlge_main.c | 8
drivers/staging/qlge/qlge_mpi.c | 4 ++--
3 files changed, 16 insertions(+), 19 deletions(-)
diff --git a/
Provide a mechanism similar to CAP_AUDIT_CONTROL to explicitly give a
process in a non-init user namespace the capability to set audit
container identifiers of individual children.
Provide the /proc/$PID/audit_capcontid interface to capcontid.
Valid values are: 1==enabled, 0==disabled
Writing a "
This also adds support to qualify NETFILTER_PKT records.
Audit events could happen in a network namespace outside of a task
context due to packets received from the net that trigger an auditing
rule prior to being associated with a running task. The network
namespace could be in use by multiple c
Require the target task to be a descendant of the container
orchestrator/engine.
You would only change the audit container ID from one set or inherited
value to another if you were nesting containers.
If changing the contid, the container orchestrator/engine must be a
descendant and not same orch
Track the parent container of a container to be able to filter and
report nesting.
Now that we have a way to track and check the parent container of a
container, modify the contid field format to be able to report that
nesting using a carrat ("^") modifier to indicate nesting. The
original field
Implement audit container identifier filtering using the AUDIT_CONTID
field name to send an 8-character string representing a u64 since the
value field is only u32.
Sending it as two u32 was considered, but gathering and comparing two
fields was more complex.
The feature indicator is AUDIT_FEATUR
Add audit container identifier auxiliary record to user event standalone
records.
Signed-off-by: Richard Guy Briggs
Acked-by: Neil Horman
Reviewed-by: Ondrej Mosnacek
---
kernel/audit.c | 19 ---
1 file changed, 12 insertions(+), 7 deletions(-)
diff --git a/kernel/audit.c b/ke
Standalone audit records have the timestamp and serial number generated
on the fly and as such are unique, making them standalone. This new
function audit_alloc_local() generates a local audit context that will
be used only for a standalone record and its auxiliary record(s). The
context is disca
Create a new audit record AUDIT_CONTAINER_ID to document the audit
container identifier of a process if it is present.
Called from audit_log_exit(), syscalls are covered.
Include target_cid references from ptrace and signal.
A sample raw event:
type=SYSCALL msg=audit(1519924845.499:257): arch=c0
Add audit container identifier support to the action of signalling the
audit daemon.
Since this would need to add an element to the audit_sig_info struct,
a new record type AUDIT_SIGNAL_INFO2 was created with a new
audit_sig_info2 struct. Corresponding support is required in the
userspace code to
Implement the proc fs write to set the audit container identifier of a
process, emitting an AUDIT_CONTAINER_OP record to document the event.
This is a write from the container orchestrator task to a proc entry of
the form /proc/PID/audit_containerid where PID is the process ID of the
newly created
Implement kernel audit container identifier.
This patchset is an eighth based on the proposal document (V4) posted:
https://www.redhat.com/archives/linux-audit/2019-September/msg00052.html
The first patch was the last patch from ghak81 that was absorbed into
this patchset since its primar
Since we are tracking the life of each audit container indentifier, we
can match the creation event with the destruction event. Log the
destruction of the audit container identifier when the last process in
that container exits.
Signed-off-by: Richard Guy Briggs
---
kernel/audit.c | 20 ++
Add support for reading the audit container identifier from the proc
filesystem.
This is a read from the proc entry of the form
/proc/PID/audit_containerid where PID is the process ID of the task
whose audit container identifier is sought.
The read expects up to a u64 value (unset: 18446744073709
The audit-related parameters in struct task_struct should ideally be
collected together and accessed through a standard audit API.
Collect the existing loginuid, sessionid and audit_context together in a
new struct audit_task_info called "audit" in struct task_struct.
Use kmem_cache to manage thi
syzbot has found a reproducer for the following crash on:
HEAD commit:4a21185c Merge git://git.kernel.org/pub/scm/linux/kernel/g..
git tree: net
console output: https://syzkaller.appspot.com/x/log.txt?x=12e8e9c510
kernel config: https://syzkaller.appspot.com/x/.config?x=bf3aec367b9a
Hi list,
is there a reason sysctl settings like net/ipv4/route/
- max_size
- gc_thresh
- gc_min_interval
- gc_min_interval_ms
- gc_elasticity
are still around in current kernels?
I find this just confusing and misleading.
If there are no concerns I'd like to remove those. I have a patch ready.
From: Vladimir Oltean
Now that all net_device operations are bundled together inside
mscc_ocelot.ko and no longer part of the common library, there's no
reason to export these symbols.
Signed-off-by: Vladimir Oltean
---
drivers/net/ethernet/mscc/ocelot_net.c | 4
1 file changed, 4 deletio
On Sat, Jun 27, 2020 at 06:14:44PM +0800, Coiby Xu wrote:
> Remove trailing "*/" in block comments.
>
> Signed-off-by: Coiby Xu
The subject lines of all of your patches should match other patches for
this driver. It should look like "staging: qlge: ..."
Please fix up and resend a v2 of this se
Hi Jason,
thanks for quick replies and patches!
For whatever it's worth, I have attached another simple test program to
this mail. It opens AF_PACKET sockets without libpcap and (incorrectly)
sets the protocol to 0. It works with my ethernet device. Looking at the
code, it should also work with t
On Fri, Jun 26, 2020 at 05:06:33PM -0700, Joe Perches wrote:
On Sat, 2020-06-27 at 07:57 +0800, Coiby Xu wrote:
On Thu, Jun 25, 2020 at 03:13:14PM -0700, Joe Perches wrote:
> On Fri, 2020-06-26 at 05:57 +0800, Coiby Xu wrote:
> > Remove unnecessary elses after return or break.
>
> unrelated triv
Replace all pr_errs with netdev_err.
Suggested-by: Joe Perches
Signed-off-by: Coiby Xu
---
drivers/staging/qlge/qlge_dbg.c | 568
1 file changed, 289 insertions(+), 279 deletions(-)
diff --git a/drivers/staging/qlge/qlge_dbg.c b/drivers/staging/qlge/qlge_dbg.c
Some functions return without releasing the lock. Replace return with
break.
Suggested-by Dan Carpenter .
Signed-off-by: Coiby Xu
---
drivers/staging/qlge/qlge_dbg.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/qlge/qlge_dbg.c b/drivers/staging/qlge/
Remove unnecessary elses after return or break.
Signed-off-by: Coiby Xu
---
drivers/staging/qlge/qlge_dbg.c | 23 ++-
drivers/staging/qlge/qlge_main.c | 8
drivers/staging/qlge/qlge_mpi.c | 4 ++--
3 files changed, 16 insertions(+), 19 deletions(-)
diff --git a/
Remove trailing "*/" in block comments.
Signed-off-by: Coiby Xu
---
drivers/staging/qlge/qlge_main.c | 3 ++-
drivers/staging/qlge/qlge_mpi.c | 10 ++
2 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c
inde
Hi Dmitry,
On Sat, Jun 27, 2020 at 2:59 AM Dmitry Vyukov wrote:
> Hard to say. syzkaller frequently needs some time (days) to get
> reasonable coverage of new code.
> Is wg_netns_pre_exit executed synchronously in the context of a
> syscall? If not, then it won't be shown as covered. If yes, then
Hello,
syzbot found the following crash on:
HEAD commit:1590a2e1 Merge tag 'acpi-5.8-rc3' of git://git.kernel.org/..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1142febb10
kernel config: https://syzkaller.appspot.com/x/.config?x=bf3aec367b9ab569
das
Now that wg_examine_packet_protocol has been added for general
consumption as ip_tunnel_parse_protocol, it's possible to remove
wg_examine_packet_protocol and simply use the new
ip_tunnel_parse_protocol function directly.
Signed-off-by: Jason A. Donenfeld
---
drivers/net/wireguard/queueing.h | 1
WireGuard uses skb->protocol to determine packet type, and bails out if
it's not set or set to something it's not expecting. For AF_PACKET
injection, we need to support its call chain of:
packet_sendmsg -> packet_snd -> packet_parse_headers ->
dev_parse_header_protocol -> parse_protocol
The tun driver passes up skb->protocol to userspace in the form of PI headers.
For AF_PACKET injection, we need to support its call chain of:
packet_sendmsg -> packet_snd -> packet_parse_headers ->
dev_parse_header_protocol -> parse_protocol
Without a valid parse_protocol, this returns
Ipip uses skb->protocol to determine packet type, and bails out if it's
not set. For AF_PACKET injection, we need to support its call chain of:
packet_sendmsg -> packet_snd -> packet_parse_headers ->
dev_parse_header_protocol -> parse_protocol
Without a valid parse_protocol, this return
Some devices that take straight up layer 3 packets benefit from having a
shared header_ops so that AF_PACKET sockets can inject packets that are
recognized. This shared infrastructure will be used by other drivers
that currently can't inject packets using AF_PACKET. It also exposes the
parser funct
Hans reported that packets injected by a correct-looking and trivial
libpcap-based program was not being accepted by wireguard. In
investigating that, I noticed that a few devices weren't properly
handling AF_PACKET- injected packes, and so this series introduces a bit
of shared infrastructure to s
From: Miaohe Lin
We can't cast sk_buff to rtable by (struct rtable *)hint. Use skb_rtable().
Fixes: 02b24941619f ("ipv4: use dst hint for ipv4 list receive")
Signed-off-by: Miaohe Lin
---
net/ipv4/route.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv4/route.c b/n
Hello,
syzbot found the following crash on:
HEAD commit:b835a71e usbnet: smsc95xx: Fix use-after-free after removal
git tree: net
console output: https://syzkaller.appspot.com/x/log.txt?x=1565a5fd10
kernel config: https://syzkaller.appspot.com/x/.config?x=dcc6334acae363d4
dashboard
Hello,
syzbot found the following crash on:
HEAD commit:4e15507f libbpf: Forward-declare bpf_stats_type for system..
git tree: bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=12805f5310
kernel config: https://syzkaller.appspot.com/x/.config?x=dcc6334acae363d4
dashboar
Hello,
syzbot found the following crash on:
HEAD commit:7a64135f libbpf: Adjust SEC short cut for expected attach ..
git tree: bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=1365a5c510
kernel config: https://syzkaller.appspot.com/x/.config?x=dcc6334acae363d4
dashboar
genl_family_rcv_msg_attrs_parse() reuses the global family->attrbuf
when family->parallel_ops is false. However, family->attrbuf is not
protected by any lock on the genl_family_rcv_msg_doit() code path.
This leads to several different consequences, one of them is UAF,
like the following:
genl_fam
On Sat, Jun 27, 2020 at 02:07:58AM -0400, B K Karthik wrote:
> Signed-off-by: B K Karthik
> ---
> drivers/staging/qlge/qlge.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/staging/qlge/qlge.h b/drivers/staging/qlge/qlge.h
> index fc8c5ca8935d..0b971a633001 100644
> --- a/drive
On Sat, Jun 27, 2020 at 01:00:19AM +0200, Daniel Borkmann wrote:
> Given there is roughly a ~5 weeks window at max where this removal could
> still be applied in the worst case, could we come up with a fix / proposal
> first that moves this into the DMA mapping core? If there is something that
> ca
On Fri, Jun 26, 2020 at 01:54:12PM -0700, Jonathan Lemon wrote:
> On Fri, Jun 26, 2020 at 09:47:25AM +0200, Christoph Hellwig wrote:
> >
> > Note that this is somewhat urgent, as various of the APIs that the code
> > is abusing are slated to go away for Linux 5.9, so this addition comes
> > at a re
On Friday, June 06/26/20, 2020 at 21:18:44 -0700, Jakub Kicinski wrote:
> On Thu, 25 Jun 2020 17:28:41 +0530 Rahul Lakkireddy wrote:
> > + if (refcount_read(&pi->vi_mirror_refcnt) > 1) {
> > + refcount_dec(&pi->vi_mirror_refcnt);
> > + return;
> > + }
>
> FWIW this looks ve
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