Re: [PATCH 6.1.y] tracing/kprobes: Fix symbol counting logic by looking at modules as well

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, 21 Dec 2023, at 01:00, Hao Wei Tee wrote:
> From: Andrii Nakryiko <andrii@xxxxxxxxxx>
> 
> Recent changes to count number of matching symbols when creating
> a kprobe event failed to take into account kernel modules. As such, it
> breaks kprobes on kernel module symbols, by assuming there is no match.
> 
> Fix this my calling module_kallsyms_on_each_symbol() in addition to
> kallsyms_on_each_match_symbol() to perform a proper counting.
> 
> Link: https://lore.kernel.org/all/20231027233126.2073148-1-andrii@xxxxxxxxxx/
> 
> Cc: Francis Laniel <flaniel@xxxxxxxxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> Cc: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
> Fixes: b022f0c7e404 ("tracing/kprobes: Return EADDRNOTAVAIL when func matches several symbols")
> Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
> Acked-by: Song Liu <song@xxxxxxxxxx>
> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>
> (cherry picked from commit 926fe783c8a64b33997fec405cf1af3e61aed441)

I noticed this patch was added and then dropped in the 6.1 stable queue. Is there any issue with it? I'll fix it ASAP.

Thanks.

-- 
Hao Wei




[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux