[LTP] [PATCH v2] syscalls/getrandom05: add test variants

[Jan Stancek]

On Mon, Dec 9, 2024 at 8:10 AM Li Wang <liwan@redhat.com> wrote:
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> On Fri, Dec 6, 2024 at 9:36 PM Jan Stancek <jstancek@redhat.com> wrote:
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>> And skip EFAULT for glibc as it can segfault in VDSO:
>>   #0  __arch_chacha20_blocks_nostack () at arch/x86/entry/vdso/vgetrandom-chacha.S:146
>>   146             movups          state0,0x00(output)
>>
>>   (gdb) bt
>>   #0  __arch_chacha20_blocks_nostack () at arch/x86/entry/vdso/vgetrandom-chacha.S:146
>>   #1  0x00007fcd3ce6417a in __cvdso_getrandom_data (rng_info=0x7fcd3ce5f280, buffer=0xffffffffffffffff, len=64, flags=1, opaque_state=0x7fcd3ce5df00,
>>       opaque_len=<optimized out>) at arch/x86/entry/vdso/../../../../lib/vdso/getrandom.c:237
>>   #2  __cvdso_getrandom (buffer=<optimized out>, len=64, flags=1, opaque_state=0x7fcd3ce5df00, opaque_len=<optimized out>)
>>       at arch/x86/entry/vdso/../../../../lib/vdso/getrandom.c:259
>>   #3  __vdso_getrandom (buffer=0xffffffffffffffff, len=64, flags=1, opaque_state=0x7fcd3ce5df00, opaque_len=<optimized out>)
>>       at arch/x86/entry/vdso/vgetrandom.c:11
>>   #4  0x00007fcd3cc7faf3 in getrandom_vdso (buffer=0xffffffffffffffff, length=64, flags=0, cancel=<optimized out>)
>>       at ../sysdeps/unix/sysv/linux/getrandom.c:204
>>   #5  0x0000000000401ff7 in verify_getrandom (i=0) at getrandom05.c:40
>>
>> Signed-off-by: Jan Stancek <jstancek@redhat.com>
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> This one looks better.
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> Reviewed-by: Li Wang <liwang@redhat.com>

Pushed.