linux-kernel - Re: [PATCH] mISDN: hfcpci: Fix warning when deleting uninitialized timer

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Message-Id: 
 <175616760800.3604027.14352969927664790670.git-patchwork-notify@kernel.org>
Date: Tue, 26 Aug 2025 00:20:08 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Vladimir Riabchun <ferr.lambarginio@...il.com>
Cc: isdn@...ux-pingi.de, netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mISDN: hfcpci: Fix warning when deleting uninitialized
 timer

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Fri, 22 Aug 2025 20:11:36 +0200 you wrote:
> With CONFIG_DEBUG_OBJECTS_TIMERS unloading hfcpci module leads
> to the following splat:
> 
> [  250.215892] ODEBUG: assert_init not available (active state 0) object: ffffffffc01a3dc0 object type: timer_list hint: 0x0
> [  250.217520] WARNING: CPU: 0 PID: 233 at lib/debugobjects.c:612 debug_print_object+0x1b6/0x2c0
> [  250.218775] Modules linked in: hfcpci(-) mISDN_core
> [  250.219537] CPU: 0 UID: 0 PID: 233 Comm: rmmod Not tainted 6.17.0-rc2-g6f713187ac98 #2 PREEMPT(voluntary)
> [  250.220940] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
> [  250.222377] RIP: 0010:debug_print_object+0x1b6/0x2c0
> [  250.223131] Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 4f 41 56 48 8b 14 dd a0 4e 01 9f 48 89 ee 48 c7 c7 20 46 01 9f e8 cb 84d
> [  250.225805] RSP: 0018:ffff888015ea7c08 EFLAGS: 00010286
> [  250.226608] RAX: 0000000000000000 RBX: 0000000000000005 RCX: ffffffff9be93a95
> [  250.227708] RDX: 1ffff1100d945138 RSI: 0000000000000008 RDI: ffff88806ca289c0
> [  250.228993] RBP: ffffffff9f014a00 R08: 0000000000000001 R09: ffffed1002bd4f39
> [  250.230043] R10: ffff888015ea79cf R11: 0000000000000001 R12: 0000000000000001
> [  250.231185] R13: ffffffff9eea0520 R14: 0000000000000000 R15: ffff888015ea7cc8
> [  250.232454] FS:  00007f3208f01540(0000) GS:ffff8880caf5a000(0000) knlGS:0000000000000000
> [  250.233851] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [  250.234856] CR2: 00007f32090a7421 CR3: 0000000004d63000 CR4: 00000000000006f0
> [  250.236117] Call Trace:
> [  250.236599]  <TASK>
> [  250.236967]  ? trace_irq_enable.constprop.0+0xd4/0x130
> [  250.237920]  debug_object_assert_init+0x1f6/0x310
> [  250.238762]  ? __pfx_debug_object_assert_init+0x10/0x10
> [  250.239658]  ? __lock_acquire+0xdea/0x1c70
> [  250.240369]  __try_to_del_timer_sync+0x69/0x140
> [  250.241172]  ? __pfx___try_to_del_timer_sync+0x10/0x10
> [  250.242058]  ? __timer_delete_sync+0xc6/0x120
> [  250.242842]  ? lock_acquire+0x30/0x80
> [  250.243474]  ? __timer_delete_sync+0xc6/0x120
> [  250.244262]  __timer_delete_sync+0x98/0x120
> [  250.245015]  HFC_cleanup+0x10/0x20 [hfcpci]
> [  250.245704]  __do_sys_delete_module+0x348/0x510
> [  250.246461]  ? __pfx___do_sys_delete_module+0x10/0x10
> [  250.247338]  do_syscall_64+0xc1/0x360
> [  250.247924]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
> 
> [...]

Here is the summary with links:
  - mISDN: hfcpci: Fix warning when deleting uninitialized timer
    https://git.kernel.org/netdev/net/c/97766512a995

You are awesome, thank you!
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