linux-kernel - Re: [PATCH 5.14 000/173] 5.14.10-rc2 review

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Date:   Tue, 5 Oct 2021 08:59:09 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, shuah@...nel.org, patches@...nelci.org,
        lkft-triage@...ts.linaro.org, pavel@...x.de, jonathanh@...dia.com,
        f.fainelli@...il.com, stable@...r.kernel.org
Subject: Re: [PATCH 5.14 000/173] 5.14.10-rc2 review

On Tue, Oct 05, 2021 at 10:38:40AM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.14.10 release.
> There are 173 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Thu, 07 Oct 2021 08:32:44 +0000.
> Anything received after that time might be too late.
> 

AFAICS the warning problems are still seen. Unfortunately I won't be able
to bisect since I have limited internet access.

Guenter

=========================
WARNING: held lock freed!
5.14.10-rc2-00174-g355f3195d051 #1 Not tainted
-------------------------
ip/202 is freeing memory c000000009918900-c000000009918f7f, with a lock still held there!
c000000009918a20 (sk_lock-AF_INET){+.+.}-{0:0}, at: .sk_common_release+0x4c/0x1b0
2 locks held by ip/202:
 #0: c00000000ae149d0 (&sb->s_type->i_mutex_key#5){+.+.}-{3:3}, at: .__sock_release+0x4c/0x150
 #1: c000000009918a20 (sk_lock-AF_INET){+.+.}-{0:0}, at: .sk_common_release+0x4c/0x1b0

stack backtrace:
CPU: 0 PID: 202 Comm: ip Not tainted 5.14.10-rc2-00174-g355f3195d051 #1
Call Trace:
[c000000009e27600] [c0000000008ddda8] .dump_stack_lvl+0xa4/0x100 (unreliable)
[c000000009e27690] [c000000000179b74] .debug_check_no_locks_freed+0x194/0x1b0
[c000000009e27730] [c0000000003b20e4] .kmem_cache_free+0x274/0x630
[c000000009e27800] [c000000000d04dcc] .__sk_destruct+0x18c/0x2c0
[c000000009e27890] [c000000000e67410] .udp_lib_close+0x10/0x30
[c000000009e27900] [c000000000e81628] .inet_release+0x68/0xb0
[c000000009e27980] [c000000000cf7a20] .__sock_release+0x70/0x150
[c000000009e27a10] [c000000000cf7b28] .sock_close+0x28/0x40
[c000000009e27a90] [c0000000003dbb74] .__fput+0xc4/0x310
[c000000009e27b30] [c000000000116604] .task_work_run+0xc4/0x130
[c000000009e27bd0] [c00000000001ba04] .do_notify_resume+0x414/0x4e0
[c000000009e27ce0] [c00000000002b0f4] .interrupt_exit_user_prepare_main+0x254/0x2d0
[c000000009e27d90] [c00000000002b4f4] .syscall_exit_prepare+0x74/0x120
[c000000009e27e10] [c00000000000c258] system_call_common+0xf8/0x250
--- interrupt: c00 at 0x3fff811c618c
NIP:  00003fff811c618c LR: 0000000010039e7c CTR: 0000000000000000
REGS: c000000009e27e80 TRAP: 0c00   Not tainted  (5.14.10-rc2-00174-g355f3195d051)
MSR:  800000000000f032 <SF,EE,PR,FP,ME,IR,DR,RI>  CR: 22000882  XER: 00000000
IRQMASK: 0
GPR00: 0000000000000006 00003fffcc4b33f0 00003fff812bf300 0000000000000000
GPR04: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
GPR08: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
GPR12: 0000000000000000 00003fff81335810 00000000101025a8 0000000000000000
GPR16: 0000000000000000 00003ffffcbd1e20 00000000100cbb46 00000000100cbb4e
GPR20: 00000000100c9139 00000000100cbadb 0000000000000000 0000000000000000
GPR24: ffffffffffffffff ffffffffffffffff ffffffffffffffff 00003fffcc4b3f7a
GPR28: 0000000000000000 0000000000000001 0000000000000009 0000000000000003
NIP [00003fff811c618c] 0x3fff811c618c
LR [0000000010039e7c] 0x10039e7c