linux-kernel - Re: [PATCH v1 0/2] Fix the failure issue of the module

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Message-ID: <CAK3+h2xZEvYdgG=PsmPa+tu-f9zhac+E0s5Um+rPF0cX7uSnuQ@mail.gmail.com>
Date: Tue, 9 Dec 2025 19:18:55 -0800
From: Vincent Li <vincent.mc.li@...il.com>
To: Chenghao Duan <duanchenghao@...inos.cn>
Cc: yangtiezhu@...ngson.cn, hengqi.chen@...il.com, chenhuacai@...nel.org, 
	kernel@...0n.name, zhangtianyang@...ngson.cn, masahiroy@...nel.org, 
	linux-kernel@...r.kernel.org, loongarch@...ts.linux.dev, bpf@...r.kernel.org, 
	guodongtai@...inos.cn, youling.tang@...ux.dev, jianghaoran@...inos.cn
Subject: Re: [PATCH v1 0/2] Fix the failure issue of the module_attach test case

On Tue, Dec 9, 2025 at 1:34 AM Chenghao Duan <duanchenghao@...inos.cn> wrote:
>
> The following test cases under the tools/testing/selftests/bpf/
> directory have passed the test：
>
> ./test_progs -t module_attach
> ./test_progs -t module_fentry_shadow
> ./test_progs -t subprogs
> ./test_progs -t subprogs_extable
> ./test_progs -t tailcalls
> ./test_progs -t struct_ops -d struct_ops_multi_pages
> ./test_progs -t fexit_bpf2bpf
> ./test_progs -t fexit_stress
> ./test_progs -t module_fentry_shadow
> ./test_progs -t fentry_test/fentry
> ./test_progs -t fexit_test/fexit
> ./test_progs -t fentry_fexit
> ./test_progs -t modify_return
> ./test_progs -t fexit_sleep
> ./test_progs -t test_overhead
> ./test_progs -t trampoline_count
>

Tested-by: Vincent Li <vincent.mc.li@...il.com>

I tested above  and all passed OK, but I could not complete the full
bpf selftests because test_progs core dumped, don't think it is
related to your patch series.

./test_progs --deny=timer_lockup
...SNIP...
test_task_local_data_basic_thread:FAIL:tld_get_data unexpected error: -12
test_task_local_data_basic:PASS:pthread_create 0 nsec
test_task_local_data_basic_thread:FAIL:tld_get_data unexpected error: -12
test_task_local_data_basic:PASS:pthread_create 0 nsec
test_task_local_data_basic_thread:FAIL:tld_get_data unexpected error: -12
test_task_local_data_basic:PASS:pthread_create 0 nsec
test_task_local_data_basic_thread:FAIL:tld_get_data unexpected error: -12
test_task_local_data_basic:PASS:pthread_create 0 nsec
test_task_local_data_basic_thread:FAIL:tld_get_data unexpected error: -12
test_task_local_data_basic:PASS:pthread_create 0 nsec
test_task_local_data_basic_thread:FAIL:tld_get_data unexpected error: -12
test_task_local_data_basic:PASS:pthread_create 0 nsec
test_task_local_data_basic_thread:FAIL:tld_get_data unexpected error: -12
#444/1   task_local_data/task_local_data_basic:FAIL
test_task_local_data_race:PASS:skel_open_and_load 0 nsec
test_task_local_data_race:PASS:calloc tld_keys 0 nsec
test_task_local_data_race:PASS:TLD_DEFINE_KEY 0 nsec
test_task_local_data_race:FAIL:265
#444/2   task_local_data/task_local_data_race:FAIL
#444     task_local_data:FAIL
Caught signal #11!
Stack trace:
./test_progs(crash_handler+0x28)[0x1205b74ac]
linux-vdso.so.1(__vdso_rt_sigreturn+0x0)[0x7ffffffc1084]
./test_progs[0x1204eb064]
./test_progs(test_task_local_data+0x40)[0x1204eb3f8]
./test_progs[0x1205b7bec]
./test_progs(main+0x6c0)[0x1205b9c70]
/lib64/libc.so.6(+0x2882c)[0x7ffff2f6082c]
/lib64/libc.so.6(__libc_start_main+0xa8)[0x7ffff2f60918]
./test_progs(_start+0x48)[0x12013a0c0]
Segmentation fault (core dumped)

> Chenghao Duan (2):
>   LoongArch: Modify the jump logic of the trampoline
>   LoongArch: BPF: Enable BPF exception fixup for specific ADE subcode
>
>  arch/loongarch/kernel/mcount_dyn.S          | 14 +++++---
>  arch/loongarch/kernel/traps.c               |  7 +++-
>  arch/loongarch/net/bpf_jit.c                | 37 +++++++++++++++------
>  samples/ftrace/ftrace-direct-modify.c       |  8 ++---
>  samples/ftrace/ftrace-direct-multi-modify.c |  8 ++---
>  samples/ftrace/ftrace-direct-multi.c        |  4 +--
>  samples/ftrace/ftrace-direct-too.c          |  4 +--
>  samples/ftrace/ftrace-direct.c              |  4 +--
>  8 files changed, 56 insertions(+), 30 deletions(-)
>
> --
> 2.25.1
>