Thread (3 messages) 3 messages, 3 authors, 2022-11-05

Re: [PATCH] rose: Fix NULL pointer dereference in rose_send_frame()

From: patchwork-bot+netdevbpf@kernel.org
Date: 2022-11-02 12:00:41
Also in: linux-hams

Hello:

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

On Sat, 29 Oct 2022 00:10:49 +0800 you wrote:
The syzkaller reported an issue:

KASAN: null-ptr-deref in range [0x0000000000000380-0x0000000000000387]
CPU: 0 PID: 4069 Comm: kworker/0:15 Not tainted 6.0.0-syzkaller-02734-g0326074ff465 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Workqueue: rcu_gp srcu_invoke_callbacks
RIP: 0010:rose_send_frame+0x1dd/0x2f0 net/rose/rose_link.c:101
Call Trace:
 <IRQ>
 rose_transmit_clear_request+0x1d5/0x290 net/rose/rose_link.c:255
 rose_rx_call_request+0x4c0/0x1bc0 net/rose/af_rose.c:1009
 rose_loopback_timer+0x19e/0x590 net/rose/rose_loopback.c:111
 call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474
 expire_timers kernel/time/timer.c:1519 [inline]
 __run_timers.part.0+0x674/0xa80 kernel/time/timer.c:1790
 __run_timers kernel/time/timer.c:1768 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803
 __do_softirq+0x1d0/0x9c8 kernel/softirq.c:571
 [...]
 </IRQ>

[...]
Here is the summary with links:
  - rose: Fix NULL pointer dereference in rose_send_frame()
    https://git.kernel.org/netdev/net/c/e97c089d7a49

You are awesome, thank you!
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