On Mon, May 25, 2020 at 09:17:41AM -0400, Richard Guy Briggs wrote:
> On 2020-05-24 13:41, Amol Grover wrote:
> > On Thu, Apr 02, 2020 at 11:26:38AM +0530, Amol Grover wrote:
> > > task_struct::cred (subjective credentials) is *always* used
> > > task-synchronously,
On Thu, Apr 02, 2020 at 11:26:38AM +0530, Amol Grover wrote:
> task_struct::cred (subjective credentials) is *always* used
> task-synchronously, hence, does not require RCU semantics.
>
> task_struct::real_cred (objective credentials) can be used in
> RCU context and its _
ault.
> >
> >However, there are still chances of enountering
> >false-positive lockdep splats because not everything is converted,
> >in case RCU list primitives are used in non-RCU read-side critical
> >section but under the protection of a l
On Mon, Apr 06, 2020 at 05:11:34PM +0530, Amol Grover wrote:
> Hello,
>
> With respect to the patch https://lore.kernel.org/patchwork/patch/1202512/
> I boot tested with CONFIG_PROVE_RCU_LIST=y and encountered a susppicious RCU
> usage warning in "security/apparmor/inclu
On Thu, May 14, 2020 at 08:24:54AM -0400, Qian Cai wrote:
>
>
> > On May 14, 2020, at 7:37 AM, syzbot
> > wrote:
> >
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit:c9529331 Add linux-next specific files for 20200514
> > git tree: linux-next
> > console
ables")
Signed-off-by: Amol Grover
---
v2:
- Add appropriate Fixes tag
net/ipv4/ipmr.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 9cf83cc85e4a..4897f7420c8f 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -110,7 +110,8 @@ s
i
Signed-off-by: Amol Grover
---
v2:
- Change the lockdep expression to check for list emptiness at init
- Add Fixes tag
- Add Reported-by tag for syzbot report
net/ipv4/ipmr.c | 7 ---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index
On Tue, May 12, 2020 at 10:47:05AM +0530, Madhuparna Bhowmik wrote:
> On Sat, May 09, 2020 at 02:19:38PM -0700, Jakub Kicinski wrote:
> > On Sat, 9 May 2020 12:52:44 +0530 Amol Grover wrote:
> > > ipmr_for_each_table() uses list_for_each_entry_rcu() for
> > > traver
On Tue, Apr 28, 2020 at 10:28:41AM -0400, Qian Cai wrote:
>
>
> > On Apr 28, 2020, at 10:11 AM, Madhuparna Bhowmik
> > wrote:
> >
> > On Tue, Apr 28, 2020 at 09:56:59AM -0400, Qian Cai wrote:
> >>
> >>
> >>> On Apr 28, 2020, at 4:57 AM, Dmitry Vyukov wrote:
> net/ipv4/ipmr.c:136
] =
[0.645294] WARNING: suspicious RCU usage
[0.645296] 5.5.4-stable #17 Not tainted
[0.645297] -
[0.645299] net/ipv4/ipmr.c:136 RCU-list traversed in non-reader section!!
Signed-off-by: Amol Grover
---
net/ipv4/ipmr.c | 7 ---
1 file changed
] =
[4.319349] WARNING: suspicious RCU usage
[4.319351] 5.5.4-stable #17 Tainted: GE
[4.319352] -
[4.319354] net/ipv4/ipmr.c:1757 RCU-list traversed in non-reader section!!
Signed-off-by: Amol Grover
---
net/ipv4/ipmr.c | 3 ++-
1
On Thu, May 07, 2020 at 06:26:01AM +1000, Stephen Rothwell wrote:
> Hi all,
>
> On Thu, 7 May 2020 06:16:35 +1000 Stephen Rothwell
> wrote:
> >
> > Hi Qian,
> >
> > On Tue, 28 Apr 2020 09:56:59 -0400 Qian Cai wrote:
> > >
> > > > On Apr 28, 2020, at 4:57 AM, Dmitry Vyukov wrote:
> > > >
On Tue, Apr 28, 2020 at 09:56:59AM -0400, Qian Cai wrote:
>
>
> > On Apr 28, 2020, at 4:57 AM, Dmitry Vyukov wrote:
> >> net/ipv4/ipmr.c:136 RCU-list traversed in non-reader section!!
>
> https://lore.kernel.org/netdev/20200222063835.14328-2-frextr...@gmail.com/
>
> Never been picked up for a
CHECK: Alignment should match open parenthesis
Signed-off-by: Amol Grover
---
drivers/staging/media/imx/imx-media-csi.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/media/imx/imx-media-csi.c
b/drivers/staging/media/imx/imx-media-csi.c
index
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