From: Guenter Roeck <linux@roeck-us.net>
To: David Howells <dhowells@redhat.com>
Cc: torvalds@linux-foundation.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Casey Schaufler <casey@schaufler-ca.com>,
Stephen Smalley <sds@tycho.nsa.gov>,
nicolas.dichtel@6wind.com, raven@themaw.net,
Christian Brauner <christian@brauner.io>,
keyrings@vger.kernel.org, linux-usb@vger.kernel.org,
linux-block@vger.kernel.org,
linux-security-module@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 07/14] Add sample notification program [ver #3]
Date: Sun, 26 Jan 2020 07:47:30 -0800 [thread overview]
Message-ID: <20200126154730.GA18893@roeck-us.net> (raw)
In-Reply-To: <157909509882.20155.1159021562184142124.stgit@warthog.procyon.org.uk>
On Wed, Jan 15, 2020 at 01:31:38PM +0000, David Howells wrote:
> The sample program is run like:
>
> ./samples/watch_queue/watch_test
>
> and watches "/" for mount changes and the current session keyring for key
> changes:
>
> # keyctl add user a a @s
> 1035096409
> # keyctl unlink 1035096409 @s
>
> producing:
>
> # ./watch_test
> read() = 16
> NOTIFY[000]: ty=000001 sy=02 i=00000110
> KEY 2ffc2e5d change=2[linked] aux=1035096409
> read() = 16
> NOTIFY[000]: ty=000001 sy=02 i=00000110
> KEY 2ffc2e5d change=3[unlinked] aux=1035096409
>
> Other events may be produced, such as with a failing disk:
>
> read() = 22
> NOTIFY[000]: ty=000003 sy=02 i=00000416
> USB 3-7.7 dev-reset e=0 r=0
> read() = 24
> NOTIFY[000]: ty=000002 sy=06 i=00000418
> BLOCK 00800050 e=6[critical medium] s=64000ef8
>
> This corresponds to:
>
> blk_update_request: critical medium error, dev sdf, sector 1677725432 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
>
> in dmesg.
>
> Signed-off-by: David Howells <dhowells@redhat.com>
mips:allmodconfig:
samples/watch_queue/watch_test.c: In function ‘keyctl_watch_key’:
samples/watch_queue/watch_test.c:34:17: error: ‘__NR_keyctl’ undeclared
Guenter
WARNING: multiple messages have this Message-ID (diff)
From: Guenter Roeck <linux@roeck-us.net>
To: David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
Greg Kroah-Hartman
<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
Casey Schaufler <casey-iSGtlc1asvQWG2LlvL+J4A@public.gmane.org>,
Stephen Smalley <sds-+05T5uksL2qpZYMLLGbcSA@public.gmane.org>,
nicolas.dichtel-pdR9zngts4EAvxtiuMwx3w@public.gmane.org,
raven-PKsaG3nR2I+sTnJN9+BGXg@public.gmane.org,
Christian Brauner
<christian-STijNZzMWpgWenYVfaLwtA@public.gmane.org>,
keyrings-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-security-module-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [RFC PATCH 07/14] Add sample notification program [ver #3]
Date: Sun, 26 Jan 2020 15:47:30 +0000 [thread overview]
Message-ID: <20200126154730.GA18893@roeck-us.net> (raw)
In-Reply-To: <157909509882.20155.1159021562184142124.stgit-S6HVgzuS8uM4Awkfq6JHfwNdhmdF6hFW@public.gmane.org>
On Wed, Jan 15, 2020 at 01:31:38PM +0000, David Howells wrote:
> The sample program is run like:
>
> ./samples/watch_queue/watch_test
>
> and watches "/" for mount changes and the current session keyring for key
> changes:
>
> # keyctl add user a a @s
> 1035096409
> # keyctl unlink 1035096409 @s
>
> producing:
>
> # ./watch_test
> read() = 16
> NOTIFY[000]: ty\00001 sy\x02 i\0000110
> KEY 2ffc2e5d change=2[linked] aux\x1035096409
> read() = 16
> NOTIFY[000]: ty\00001 sy\x02 i\0000110
> KEY 2ffc2e5d change=3[unlinked] aux\x1035096409
>
> Other events may be produced, such as with a failing disk:
>
> read() = 22
> NOTIFY[000]: ty\00003 sy\x02 i\0000416
> USB 3-7.7 dev-reset e=0 r=0
> read() = 24
> NOTIFY[000]: ty\00002 sy\x06 i\0000418
> BLOCK 00800050 e=6[critical medium] sd000ef8
>
> This corresponds to:
>
> blk_update_request: critical medium error, dev sdf, sector 1677725432 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
>
> in dmesg.
>
> Signed-off-by: David Howells <dhowells@redhat.com>
mips:allmodconfig:
samples/watch_queue/watch_test.c: In function ‘keyctl_watch_key’:
samples/watch_queue/watch_test.c:34:17: error: ‘__NR_keyctl’ undeclared
Guenter
WARNING: multiple messages have this Message-ID (diff)
From: Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>
To: David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
Greg Kroah-Hartman
<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
Casey Schaufler <casey-iSGtlc1asvQWG2LlvL+J4A@public.gmane.org>,
Stephen Smalley <sds-+05T5uksL2qpZYMLLGbcSA@public.gmane.org>,
nicolas.dichtel-pdR9zngts4EAvxtiuMwx3w@public.gmane.org,
raven-PKsaG3nR2I+sTnJN9+BGXg@public.gmane.org,
Christian Brauner
<christian-STijNZzMWpgWenYVfaLwtA@public.gmane.org>,
keyrings-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-security-module-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [RFC PATCH 07/14] Add sample notification program [ver #3]
Date: Sun, 26 Jan 2020 07:47:30 -0800 [thread overview]
Message-ID: <20200126154730.GA18893@roeck-us.net> (raw)
In-Reply-To: <157909509882.20155.1159021562184142124.stgit-S6HVgzuS8uM4Awkfq6JHfwNdhmdF6hFW@public.gmane.org>
On Wed, Jan 15, 2020 at 01:31:38PM +0000, David Howells wrote:
> The sample program is run like:
>
> ./samples/watch_queue/watch_test
>
> and watches "/" for mount changes and the current session keyring for key
> changes:
>
> # keyctl add user a a @s
> 1035096409
> # keyctl unlink 1035096409 @s
>
> producing:
>
> # ./watch_test
> read() = 16
> NOTIFY[000]: ty=000001 sy=02 i=00000110
> KEY 2ffc2e5d change=2[linked] aux=1035096409
> read() = 16
> NOTIFY[000]: ty=000001 sy=02 i=00000110
> KEY 2ffc2e5d change=3[unlinked] aux=1035096409
>
> Other events may be produced, such as with a failing disk:
>
> read() = 22
> NOTIFY[000]: ty=000003 sy=02 i=00000416
> USB 3-7.7 dev-reset e=0 r=0
> read() = 24
> NOTIFY[000]: ty=000002 sy=06 i=00000418
> BLOCK 00800050 e=6[critical medium] s=64000ef8
>
> This corresponds to:
>
> blk_update_request: critical medium error, dev sdf, sector 1677725432 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
>
> in dmesg.
>
> Signed-off-by: David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
mips:allmodconfig:
samples/watch_queue/watch_test.c: In function ‘keyctl_watch_key’:
samples/watch_queue/watch_test.c:34:17: error: ‘__NR_keyctl’ undeclared
Guenter
next prev parent reply other threads:[~2020-01-26 15:47 UTC|newest]
Thread overview: 110+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-15 13:30 [RFC PATCH 00/14] pipe: Keyrings, Block and USB notifications [ver #3] David Howells
2020-01-15 13:30 ` David Howells
2020-01-15 13:30 ` David Howells
2020-01-15 13:30 ` [RFC PATCH 01/14] uapi: General notification queue definitions " David Howells
2020-01-15 13:30 ` David Howells
2020-01-15 13:30 ` David Howells
2020-01-15 13:30 ` [RFC PATCH 02/14] security: Add hooks to rule on setting a watch " David Howells
2020-01-15 13:30 ` David Howells
2020-01-15 13:30 ` David Howells
2020-01-15 13:31 ` [RFC PATCH 03/14] security: Add a hook for the point of notification insertion " David Howells
2020-01-15 13:31 ` David Howells
2020-01-15 13:31 ` David Howells
2020-01-15 13:31 ` [RFC PATCH 04/14] pipe: Add O_NOTIFICATION_PIPE " David Howells
2020-01-15 13:31 ` David Howells
2020-01-15 13:31 ` David Howells
2020-01-15 13:31 ` [RFC PATCH 05/14] pipe: Add general notification queue support " David Howells
2020-01-15 13:31 ` David Howells
2020-01-15 13:31 ` David Howells
2020-01-15 13:31 ` [RFC PATCH 06/14] keys: Add a notification facility " David Howells
2020-01-15 13:31 ` David Howells
2020-01-15 13:31 ` David Howells
2020-01-15 13:31 ` [RFC PATCH 07/14] Add sample notification program " David Howells
2020-01-15 13:31 ` David Howells
2020-01-15 13:31 ` David Howells
2020-01-26 15:47 ` Guenter Roeck [this message]
2020-01-26 15:47 ` Guenter Roeck
2020-01-26 15:47 ` Guenter Roeck
2020-01-15 13:31 ` [RFC PATCH 08/14] pipe: Allow buffers to be marked read-whole-or-error for notifications " David Howells
2020-01-15 13:31 ` David Howells
2020-01-15 13:31 ` David Howells
2020-01-15 13:31 ` [RFC PATCH 09/14] pipe: Add notification lossage handling " David Howells
2020-01-15 13:31 ` David Howells
2020-01-15 13:31 ` David Howells
2020-01-15 13:32 ` [RFC PATCH 10/14] Add a general, global device notification watch list " David Howells
2020-01-15 13:32 ` David Howells
2020-01-15 13:32 ` David Howells
2020-01-15 13:32 ` [RFC PATCH 11/14] block: Add block layer notifications " David Howells
2020-01-15 13:32 ` David Howells
2020-01-15 13:32 ` David Howells
2020-01-15 13:32 ` [RFC PATCH 12/14] usb: Add USB subsystem " David Howells
2020-01-15 13:32 ` David Howells
2020-01-15 13:32 ` David Howells
2020-01-15 13:32 ` [RFC PATCH 13/14] selinux: Implement the watch_key security hook " David Howells
2020-01-15 13:32 ` David Howells
2020-01-15 13:32 ` David Howells
2020-01-15 13:32 ` [RFC PATCH 14/14] smack: Implement the watch_key and post_notification hooks " David Howells
2020-01-15 13:32 ` David Howells
2020-01-15 13:32 ` David Howells
2020-01-15 20:10 ` [RFC PATCH 00/14] pipe: Keyrings, Block and USB notifications " Linus Torvalds
2020-01-15 20:10 ` Linus Torvalds
2020-02-11 0:56 ` Andres Freund
2020-02-11 0:56 ` Andres Freund
2020-01-15 21:07 ` David Howells
2020-01-15 21:07 ` David Howells
-- strict thread matches above, loose matches on Subject: below --
2019-11-07 13:35 [RFC PATCH 00/14] pipe: Keyrings, Block and USB notifications [ver #2] David Howells
2019-11-07 13:35 ` David Howells
2019-11-07 13:35 ` David Howells
2019-11-07 13:35 ` [RFC PATCH 01/14] uapi: General notification queue definitions " David Howells
2019-11-07 13:35 ` David Howells
2019-11-07 13:35 ` David Howells
2019-11-07 13:35 ` [RFC PATCH 02/14] security: Add hooks to rule on setting a watch " David Howells
2019-11-07 13:35 ` David Howells
2019-11-07 13:35 ` David Howells
2019-11-07 13:35 ` [RFC PATCH 03/14] security: Add a hook for the point of notification insertion " David Howells
2019-11-07 13:35 ` David Howells
2019-11-07 13:35 ` David Howells
2019-11-07 13:35 ` [RFC PATCH 04/14] pipe: Add O_NOTIFICATION_PIPE " David Howells
2019-11-07 13:35 ` David Howells
2019-11-07 13:35 ` David Howells
2019-11-07 18:16 ` Andy Lutomirski
2019-11-07 18:16 ` Andy Lutomirski
2019-11-07 18:48 ` David Howells
2019-11-08 5:06 ` Andy Lutomirski
2019-11-08 5:06 ` Andy Lutomirski
2019-11-08 6:42 ` David Howells
2019-11-07 13:36 ` [RFC PATCH 05/14] pipe: Add general notification queue support " David Howells
2019-11-07 13:36 ` David Howells
2019-11-07 13:36 ` David Howells
2019-11-07 13:36 ` [RFC PATCH 06/14] keys: Add a notification facility " David Howells
2019-11-07 13:36 ` David Howells
2019-11-07 13:36 ` David Howells
2019-11-07 13:36 ` [RFC PATCH 07/14] Add sample notification program " David Howells
2019-11-07 13:36 ` David Howells
2019-11-07 13:36 ` David Howells
2019-11-07 13:36 ` [RFC PATCH 08/14] pipe: Allow buffers to be marked read-whole-or-error for notifications " David Howells
2019-11-07 13:36 ` David Howells
2019-11-07 13:36 ` David Howells
2019-11-07 18:15 ` Andy Lutomirski
2019-11-07 18:15 ` [RFC PATCH 08/14] pipe: Allow buffers to be marked read-whole-or-error for notifications [ver #2 Andy Lutomirski
2019-11-07 18:23 ` [RFC PATCH 08/14] pipe: Allow buffers to be marked read-whole-or-error for notifications [ver #2] David Howells
2019-11-07 18:23 ` [RFC PATCH 08/14] pipe: Allow buffers to be marked read-whole-or-error for notifications [ver #2 David Howells
2019-11-07 13:36 ` [RFC PATCH 09/14] pipe: Add notification lossage handling [ver #2] David Howells
2019-11-07 13:36 ` David Howells
2019-11-07 13:36 ` David Howells
2019-11-07 13:36 ` [RFC PATCH 10/14] Add a general, global device notification watch list " David Howells
2019-11-07 13:36 ` David Howells
2019-11-07 13:36 ` David Howells
2019-11-07 13:37 ` [RFC PATCH 11/14] block: Add block layer notifications " David Howells
2019-11-07 13:37 ` David Howells
2019-11-07 13:37 ` David Howells
2019-11-07 13:37 ` [RFC PATCH 12/14] usb: Add USB subsystem " David Howells
2019-11-07 13:37 ` David Howells
2019-11-07 13:37 ` David Howells
2019-11-07 13:37 ` [RFC PATCH 13/14] selinux: Implement the watch_key security hook " David Howells
2019-11-07 13:37 ` David Howells
2019-11-07 13:37 ` David Howells
2019-11-07 13:37 ` [RFC PATCH 14/14] smack: Implement the watch_key and post_notification hooks " David Howells
2019-11-07 13:37 ` David Howells
2019-11-07 13:37 ` David Howells
2019-11-07 17:16 ` [RFC PATCH 05/14] pipe: Add general notification queue support " David Howells
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