Hello:
This patch was applied to netdev/net.git (master)
by Paolo Abeni <pabeni@xxxxxxxxxx>:
On Mon, 7 Nov 2022 09:14:45 +0800 you wrote:
> If lapb_register() failed when lapb device goes to up for the first time,
> the NAPI is not disabled. As a result, the invalid opcode issue is
> reported when the lapb device goes to up for the second time.
>
> The stack info is as follows:
> [ 1958.311422][T11356] kernel BUG at net/core/dev.c:6442!
> [ 1958.312206][T11356] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
> [ 1958.315979][T11356] RIP: 0010:napi_enable+0x16a/0x1f0
> [ 1958.332310][T11356] Call Trace:
> [ 1958.332817][T11356] <TASK>
> [ 1958.336135][T11356] lapbeth_open+0x18/0x90
> [ 1958.337446][T11356] __dev_open+0x258/0x490
> [ 1958.341672][T11356] __dev_change_flags+0x4d4/0x6a0
> [ 1958.345325][T11356] dev_change_flags+0x93/0x160
> [ 1958.346027][T11356] devinet_ioctl+0x1276/0x1bf0
> [ 1958.346738][T11356] inet_ioctl+0x1c8/0x2d0
> [ 1958.349638][T11356] sock_ioctl+0x5d1/0x750
> [ 1958.356059][T11356] __x64_sys_ioctl+0x3ec/0x1790
> [ 1958.365594][T11356] do_syscall_64+0x35/0x80
> [ 1958.366239][T11356] entry_SYSCALL_64_after_hwframe+0x46/0xb0
> [ 1958.377381][T11356] </TASK>
>
> [...]
Here is the summary with links:
- [net] net: lapbether: fix issue of invalid opcode in lapbeth_open()
https://git.kernel.org/netdev/net/c/3faf7e14ec0c
You are awesome, thank you!
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