Thread (3 messages) 3 messages, 3 authors, 2022-07-26

Re: [PATCH net] sctp: fix sleep in atomic context bug in timer handlers

From: patchwork-bot+netdevbpf@kernel.org
Date: 2022-07-26 02:50:26
Also in: linux-sctp, lkml

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski [off-list ref]:

On Sat, 23 Jul 2022 09:58:09 +0800 you wrote:
There are sleep in atomic context bugs in timer handlers of sctp
such as sctp_generate_t3_rtx_event(), sctp_generate_probe_event(),
sctp_generate_t1_init_event(), sctp_generate_timeout_event(),
sctp_generate_t3_rtx_event() and so on.

The root cause is sctp_sched_prio_init_sid() with GFP_KERNEL parameter
that may sleep could be called by different timer handlers which is in
interrupt context.

[...]
Here is the summary with links:
  - [net] sctp: fix sleep in atomic context bug in timer handlers
    https://git.kernel.org/netdev/net/c/b89fc26f741d

You are awesome, thank you!
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