From: Sasha Levin <sashal@kernel.org>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
Ohhoon Kwon <ohoono.kwon@samsung.com>,
Ingo Molnar <mingo@kernel.org>,
"David S . Miller" <davem@davemloft.net>,
Christian Brauner <christian.brauner@ubuntu.com>,
Alexey Dobriyan <adobriyan@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH AUTOSEL 5.14 19/25] connector: send event on write to /proc/[pid]/comm
Date: Wed, 15 Sep 2021 20:36:30 -0400 [thread overview]
Message-ID: <YUKRju8/BayxKeC3@sashalap> (raw)
In-Reply-To: <87v932ar5q.fsf@disp2133>
On Wed, Sep 15, 2021 at 08:45:37AM -0500, Eric W. Biederman wrote:
>Sasha Levin <sashal@kernel.org> writes:
>
>> From: Ohhoon Kwon <ohoono.kwon@samsung.com>
>>
>> [ Upstream commit c2f273ebd89a79ed87ef1025753343e327b99ac9 ]
>>
>> While comm change event via prctl has been reported to proc connector by
>> 'commit f786ecba4158 ("connector: add comm change event report to proc
>> connector")', connector listeners were missing comm changes by explicit
>> writes on /proc/[pid]/comm.
>>
>> Let explicit writes on /proc/[pid]/comm report to proc connector.
>
>This is a potential userspace ABI breakage? Why backport it?
>
>Especially if there is no one asking for the behavior change in
>userspace?
This sounds like a concern with the patch going upstream rather than
going to stable? stable has the same policy around ABI changes such as
upstream.
--
Thanks,
Sasha
next prev parent reply other threads:[~2021-09-16 0:36 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-13 22:33 [PATCH AUTOSEL 5.14 01/25] dmaengine: idxd: depends on !UML Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 02/25] dmaengine: sprd: Add missing MODULE_DEVICE_TABLE Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 03/25] cxl: Move cxl_core to new directory Sasha Levin
2021-09-14 8:56 ` Jonathan Cameron
2021-09-14 8:57 ` Jonathan Cameron
2021-09-14 15:05 ` Ben Widawsky
2021-09-14 15:40 ` Dan Williams
2021-09-14 17:00 ` Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 04/25] cxl/pci: Introduce cdevm_file_operations Sasha Levin
2021-09-14 15:42 ` Dan Williams
2021-09-14 17:01 ` Sasha Levin
2021-09-14 17:46 ` Dan Williams
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 05/25] gfs2: Switch to may_setattr in gfs2_setattr Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 06/25] dmaengine: ioat: depends on !UML Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 07/25] dmaengine: xilinx_dma: Set DMA mask for coherent APIs Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 08/25] s390: add kmemleak annotation in stack_alloc() Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 09/25] ASoC: audio-graph: respawn Platform Support Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 10/25] ACPI: PM: s2idle: Run both AMD and Microsoft methods if both are supported Sasha Levin
2021-09-21 14:57 ` Limonciello, Mario
2021-09-24 11:40 ` Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 11/25] ceph: fix memory leak on decode error in ceph_handle_caps Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 12/25] ceph: request Fw caps before updating the mtime in ceph_write_iter Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 13/25] ceph: remove the capsnaps when removing caps Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 14/25] ceph: lockdep annotations for try_nonblocking_invalidate Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 15/25] s390/unwind: use current_frame_address() to unwind current task Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 16/25] btrfs: update the bdev time directly when closing Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 17/25] btrfs: delay blkdev_put until after the device remove Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 18/25] btrfs: fix lockdep warning while mounting sprout fs Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 19/25] connector: send event on write to /proc/[pid]/comm Sasha Levin
2021-09-15 13:45 ` Eric W. Biederman
2021-09-16 0:36 ` Sasha Levin [this message]
2021-09-16 15:49 ` Eric W. Biederman
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 20/25] nilfs2: fix memory leak in nilfs_sysfs_create_device_group Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 21/25] nilfs2: fix NULL pointer in nilfs_##name##_attr_release Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 22/25] nilfs2: fix memory leak in nilfs_sysfs_create_##name##_group Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 23/25] nilfs2: fix memory leak in nilfs_sysfs_delete_##name##_group Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 24/25] nilfs2: fix memory leak in nilfs_sysfs_create_snapshot_group Sasha Levin
2021-09-13 22:33 ` [PATCH AUTOSEL 5.14 25/25] nilfs2: fix memory leak in nilfs_sysfs_delete_snapshot_group Sasha Levin
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