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Message-ID: <96b570c0-14e6-2dca-aa9d-b54ff84924f7@kernel.dk>
Date: Mon, 27 Jun 2022 06:25:26 -0600
From: Jens Axboe <axboe@...nel.dk>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Greg Thelen <gthelen@...gle.com>
Cc: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
torvalds@...ux-foundation.org, stable@...r.kernel.org, lwn@....net,
jslaby@...e.cz
Subject: Re: Linux 5.10.125
On 6/27/22 2:05 AM, Greg Kroah-Hartman wrote:
> On Mon, Jun 27, 2022 at 07:54:23AM +0200, Greg Kroah-Hartman wrote:
>> On Sun, Jun 26, 2022 at 10:42:06PM -0700, Greg Thelen wrote:
>>> Jens Axboe <axboe@...nel.dk> wrote:
>>>
>>>> On 6/26/22 6:04 PM, Jens Axboe wrote:
>>>>> On 6/26/22 4:56 PM, Greg Thelen wrote:
>>>>>> Greg Kroah-Hartman <gregkh@...uxfoundation.org> wrote:
>>>>>>
>>>>>>> I'm announcing the release of the 5.10.125 kernel.
>>>>>>>
>>>>>>> All users of the 5.10 kernel series must upgrade.
>>>>>>>
>>>>>>> The updated 5.10.y git tree can be found at:
>>>>>>> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-5.10.y
>>>>>>> and can be browsed at the normal kernel.org git web browser:
>>>>>>> https://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary
>>>>>>>
>>>>>>> thanks,
>>>>>>>
>>>>>>> greg k-h
>>>>>>>
>>>>>>> ------------
>>>>>>>
>>>>>>> Makefile | 2
>>>>>>> arch/arm64/mm/cache.S | 2
>>>>>>> arch/s390/mm/pgtable.c | 2
>>>>>>> drivers/tty/serial/serial_core.c | 34 ++++--------
>>>>>>> drivers/usb/gadget/function/u_ether.c | 11 +++-
>>>>>>> fs/io_uring.c | 23 +++++---
>>>>>>> fs/zonefs/super.c | 92 ++++++++++++++++++++++------------
>>>>>>> net/ipv4/inet_hashtables.c | 31 ++++++++---
>>>>>>> 8 files changed, 122 insertions(+), 75 deletions(-)
>>>>>>>
>>>>>>> Christian Borntraeger (1):
>>>>>>> s390/mm: use non-quiescing sske for KVM switch to keyed guest
>>>>>>>
>>>>>>> Damien Le Moal (1):
>>>>>>> zonefs: fix zonefs_iomap_begin() for reads
>>>>>>>
>>>>>>> Eric Dumazet (1):
>>>>>>> tcp: add some entropy in __inet_hash_connect()
>>>>>>>
>>>>>>> Greg Kroah-Hartman (1):
>>>>>>> Linux 5.10.125
>>>>>>>
>>>>>>> Jens Axboe (1):
>>>>>>> io_uring: add missing item types for various requests
>>>>>>>
>>>>>>> Lukas Wunner (1):
>>>>>>> serial: core: Initialize rs485 RTS polarity already on probe
>>>>>>>
>>>>>>> Marian Postevca (1):
>>>>>>> usb: gadget: u_ether: fix regression in setting fixed MAC address
>>>>>>>
>>>>>>> Will Deacon (1):
>>>>>>> arm64: mm: Don't invalidate FROM_DEVICE buffers at start of DMA transfer
>>>>>>>
>>>>>>> Willy Tarreau (5):
>>>>>>> tcp: use different parts of the port_offset for index and offset
>>>>>>> tcp: add small random increments to the source port
>>>>>>> tcp: dynamically allocate the perturb table used by source ports
>>>>>>> tcp: increase source port perturb table to 2^16
>>>>>>> tcp: drop the hash_32() part from the index calculation
>>>>>>
>>>>>> 5.10.125 commit df3f3bb5059d20ef094d6b2f0256c4bf4127a859 ("io_uring: add
>>>>>> missing item types for various requests") causes panic when running
>>>>>> test/iopoll.t from https://github.com/axboe/liburing commit
>>>>>> dda4848a9911120a903bef6284fb88286f4464c9 (liburing-2.2).
>>>>>>
>>>>>> Here's a manually annotated panic message:
>>>>>> [ 359.047161] list_del corruption, ffffa42098824f80->next is LIST_POISON1 (dead000000000100)
>>>>>> [ 359.055393] kernel BUG at lib/list_debug.c:47!
>>>>>> [ 359.059786] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC PTI
>>>>>> [ 359.065463] CPU: 11 PID: 15862 Comm: iopoll.t Tainted: G S I 5.10.124 #1
>>>>>> [ 359.081804] RIP: 0010:__list_del_entry_valid+0x49/0x80
>>>>>> [ 359.086880] Code: c2 22 48 39 d1 74 25 48 8b 11 48 39 f2 75 2d 48 8b 50 08 48 39 f2 75 34 b0 01 5d c3 48 c7 c7 68 15 79 b1 31 c0 e8 c5 a2 5a 00 <0f> 0b 48 c7 c7 d8 8e 76 b1 31 c0 e8 b5 a2 5a 00 0f 0b 48 c7 c7 69
>>>>>> [ 359.105431] RSP: 0018:ffffb6b66785bd58 EFLAGS: 00010046
>>>>>> [ 359.110592] RAX: 000000000000004e RBX: ffffa42098824f00 RCX: d07284ea1fbba400
>>>>>> [ 359.117642] RDX: ffffa43f7f4f05b8 RSI: ffffa43f7f4dff48 RDI: ffffa43f7f4dff48
>>>>>> [ 359.124691] RBP: ffffb6b66785bd58 R08: 0000000000000000 R09: ffffffffb1f38540
>>>>>> [ 359.131740] R10: 00000000ffff7fff R11: 0000000000000000 R12: 0000000000000282
>>>>>> [ 359.138789] R13: ffffb6b66785beb8 R14: ffffa42095d33e00 R15: ffffa420937e3d20
>>>>>> [ 359.145836] FS: 00000000004f8380(0000) GS:ffffa43f7f4c0000(0000) knlGS:0000000000000000
>>>>>> [ 359.153830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>>>>>> [ 359.159506] CR2: 0000000000539388 CR3: 000000027b57c006 CR4: 00000000003706e0
>>>>>> [ 359.166552] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>>>>>> [ 359.173600] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>>>>>> [ 359.180647] Call Trace:
>>>>>> [ 359.183064] io_dismantle_req+0x1da/0x2b0
>>>>>> __list_del_entry [include/linux/list.h:132]
>>>>>> list_del [include/linux/list.h:146]
>>>>>> io_req_drop_files [fs/io_uring.c:5934]
>>>>>> io_req_clean_work [fs/io_uring.c:1315]
>>>>>> io_dismantle_req [fs/io_uring.c:1911]
>>>>>> [ 359.187023] io_do_iopoll+0x4e5/0x790
>>>>>> [ 359.194602] __se_sys_io_uring_enter+0x39b/0x6f0
>>>>>> [ 359.208318] __x64_sys_io_uring_enter+0x29/0x30
>>>>>> [ 359.212793] do_syscall_64+0x31/0x40
>>>>>> [ 359.216324] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>>>>
>>>>> Well that sucks, I wonder why mine didn't fail like that. I'll see if I
>>>>> can hit this and send a fix. Thanks for reporting!
>>>>
>>>> Below should do it, I apologize for that. I think my test box booted the
>>>> previous kernel which is why it didn't hit it in my regression tests :-(
>>>>
>>>> Greg, can you add this to 5.10-stable? Verified it ran tests with the
>>>> right kernel now...
>>
>> Great, I'll go just do a release with this in it right now to help
>> others out.
>
> 5.10.126 is now released with this fix.
Thanks - to both Gregs!
--
Jens Axboe
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