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| author | Max Krummenacher <max.krummenacher@toradex.com> | 2021-10-16 13:04:24 +0200 |
|---|---|---|
| committer | Max Krummenacher <max.krummenacher@toradex.com> | 2021-10-16 13:04:24 +0200 |
| commit | f8e718054f4421d11638e370b933ccc6c77466ed (patch) | |
| tree | 973ff8cb8aed7d8e4da6a194456ddc01c206b7de /arch/parisc/kernel/signal.c | |
| parent | d900385139e5aa8d584dee92c87bb85d0226253e (diff) | |
| parent | 1392fe82d7fba00ba4a8e01968935f2b2085d5a4 (diff) | |
Merge tag 'v4.4.288' into toradex_vf_4.4
This is the 4.4.288 stable release
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Diffstat (limited to 'arch/parisc/kernel/signal.c')
| -rw-r--r-- | arch/parisc/kernel/signal.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index 2264f68f3c2f..d9a4d6ffc0a8 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -239,6 +239,12 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs, #endif usp = (regs->gr[30] & ~(0x01UL)); +#ifdef CONFIG_64BIT + if (is_compat_task()) { + /* The gcc alloca implementation leaves garbage in the upper 32 bits of sp */ + usp = (compat_uint_t)usp; + } +#endif /*FIXME: frame_size parameter is unused, remove it. */ frame = get_sigframe(&ksig->ka, usp, sizeof(*frame)); |