Bug 244628

Summary:

USB Network Adaptor: panic: out of buffers with data_len 4294967292

Product:

Base System

Reporter:

Brian Zou <zoujiaqing>

Component:

usb

Assignee:

freebsd-usb (Nobody) <usb>

Status:

New ---

Severity:

Affects Only Me

CC:

adrian, gnn, hselasky

Priority:

---

Keywords:

crash, patch

Version:

CURRENT

Hardware:

Any

OS:

Any

Attachments:

Description	Flags
USB Network Adaptor: panic: out of buffers with data_len 4294967292	none
Try this patch	none

Description Brian Zou 2020-03-06 08:19:48 UTC

Created attachment 212182 [details]
USB Network Adaptor: panic: out of buffers with data_len 4294967292

Comment 1 Hans Petter Selasky freebsd_committer

2020-03-06 08:55:13 UTC

Adrian, can you have a look at this panic?

Comment 2 Hans Petter Selasky freebsd_committer

2020-03-06 08:57:23 UTC

dec2hex(4294967292) = 0xFFFFFFFC = -4U

Comment 3 Hans Petter Selasky freebsd_committer

2020-03-06 17:34:50 UTC

Created attachment 212197 [details]
Try this patch

Try this patch. Does it affect WLAN usage?

Comment 4 Adrian Chadd freebsd_committer

2020-03-06 17:55:39 UTC

Hm, my guess is that the packet was too short to actually be decrypted.

Yeah, try that patch, but ideally we'd be rejecting the too-short packets further up the stack.

Can you get a crash dump so we can see how big the packet is from the driver itself?


-adrian