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Groups > linux.debian.bugs.dist > #1234441
| From | Salvatore Bonaccorso <carnil@debian.org> |
|---|---|
| Newsgroups | linux.debian.bugs.dist, linux.debian.kernel |
| Subject | Bug#1085178: linux-signed-amd64: Some BPF fentry hooks silently fail |
| Date | 2025-02-21 21:10 +0100 |
| Message-ID | <KiHvr-Yk6-3@gated-at.bofh.it> (permalink) |
| References | <JxVIl-1R8O-15@gated-at.bofh.it> <JxVIl-1R8O-15@gated-at.bofh.it> <JQQ5r-eiDW-7@gated-at.bofh.it> <JxVIl-1R8O-15@gated-at.bofh.it> <JQQ5r-eiDW-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Cross-posted to 2 groups.
Control: found -1 6.12.15-1
On Fri, Dec 06, 2024 at 11:10:33PM +0000, Martin Kelly wrote:
> On Tue, 15 Oct 2024 18:55:11 +0000 Martin Kelly
> <martin.kelly@crowdstrike.com> wrote:
> > Source: linux-signed-amd64
> > X-Debbugs-Cc: martin.kelly@crowdstrike.com
> > Version: 6.11.2+1
> > Severity: important
> > Tags: upstream
> >
> > Some BPF fentry hooks in the 6.11.2-cloud-amd64 kernel successfully
> > load
> > but then are ignored when they should fire. This can be seen with the
> > following bpftrace command:
> >
> > bpftrace -e 'kfunc:acct_process { printf("acct_process called\n"); }'
> >
>
> This was root-caused to be the same issue as the one addressed in this
> (unmerged) patch series:
> https://lore.kernel.org/lkml/20240723063258.2240610-1-zhengyejian@huaweicloud.com/
>
> Essentially this has to do with ftrace and weak functions.
As I understand this is still an issue in 6.12.15-1.
Regards,
Salvatore
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Bug#1085178: linux-signed-amd64: Some BPF fentry hooks silently fail Salvatore Bonaccorso <carnil@debian.org> - 2025-02-21 21:10 +0100
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