Re: [PATCH] seccomp, s390: fix build for syscall type change
On Mon, Dec 17, 2018 at 4:42 AM Heiko Carstens wrote: > > On Thu, Dec 13, 2018 at 04:50:06PM -0800, Kees Cook wrote: > > On Thu, Dec 13, 2018 at 12:10 PM Tycho Andersen wrote: > > > > > > A recent patch landed in the security tree [1] that changed the type of > > > the > > > seccomp syscall. Unfortunately, I didn't quite get every instance of the > > > forward declarations, and thus there is a build failure. Here's the last > > > one that I could find, for s390. It should go through the security tree, > > > although hopefully some s390 people can check and make sure it looks > > > reasonable? > > > > > > The only oddity is the trailing semicolon; some lines around this patch > > > have it, and some lines don't. I've left this one as-is. > > > > > > [1]: https://lore.kernel.org/lkml/20181212231630.GA31584@beast/T/#u > > > > > > Signed-off-by: Tycho Andersen > > > > Thanks! Added to my -next tree. > > > > -Kees > > Hi Kees, > > did you forget to push your tree? At least today's linux-next kernel > fails to compile on s390 because of this missing patch. I sent a pull request to James for this. James, can you pick this up please? -Kees > > > > arch/s390/kernel/compat_wrapper.c | 2 +- > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > > > diff --git a/arch/s390/kernel/compat_wrapper.c > > > b/arch/s390/kernel/compat_wrapper.c > > > index 2ce28bf0c5ec..48c4ce668244 100644 > > > --- a/arch/s390/kernel/compat_wrapper.c > > > +++ b/arch/s390/kernel/compat_wrapper.c > > > @@ -164,7 +164,7 @@ COMPAT_SYSCALL_WRAP3(finit_module, int, fd, const > > > char __user *, uargs, int, fla > > > COMPAT_SYSCALL_WRAP3(sched_setattr, pid_t, pid, struct sched_attr __user > > > *, attr, unsigned int, flags); > > > COMPAT_SYSCALL_WRAP4(sched_getattr, pid_t, pid, struct sched_attr __user > > > *, attr, unsigned int, size, unsigned int, flags); > > > COMPAT_SYSCALL_WRAP5(renameat2, int, olddfd, const char __user *, > > > oldname, int, newdfd, const char __user *, newname, unsigned int, flags); > > > -COMPAT_SYSCALL_WRAP3(seccomp, unsigned int, op, unsigned int, flags, > > > const char __user *, uargs) > > > +COMPAT_SYSCALL_WRAP3(seccomp, unsigned int, op, unsigned int, flags, > > > void __user *, uargs) > > > COMPAT_SYSCALL_WRAP3(getrandom, char __user *, buf, size_t, count, > > > unsigned int, flags) > > > COMPAT_SYSCALL_WRAP2(memfd_create, const char __user *, uname, unsigned > > > int, flags) > > > COMPAT_SYSCALL_WRAP3(bpf, int, cmd, union bpf_attr *, attr, unsigned > > > int, size); > -- Kees Cook
Re: [PATCH] seccomp, s390: fix build for syscall type change
On Thu, Dec 13, 2018 at 04:50:06PM -0800, Kees Cook wrote: > On Thu, Dec 13, 2018 at 12:10 PM Tycho Andersen wrote: > > > > A recent patch landed in the security tree [1] that changed the type of the > > seccomp syscall. Unfortunately, I didn't quite get every instance of the > > forward declarations, and thus there is a build failure. Here's the last > > one that I could find, for s390. It should go through the security tree, > > although hopefully some s390 people can check and make sure it looks > > reasonable? > > > > The only oddity is the trailing semicolon; some lines around this patch > > have it, and some lines don't. I've left this one as-is. > > > > [1]: https://lore.kernel.org/lkml/20181212231630.GA31584@beast/T/#u > > > > Signed-off-by: Tycho Andersen > > Thanks! Added to my -next tree. > > -Kees Hi Kees, did you forget to push your tree? At least today's linux-next kernel fails to compile on s390 because of this missing patch. > > arch/s390/kernel/compat_wrapper.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/arch/s390/kernel/compat_wrapper.c > > b/arch/s390/kernel/compat_wrapper.c > > index 2ce28bf0c5ec..48c4ce668244 100644 > > --- a/arch/s390/kernel/compat_wrapper.c > > +++ b/arch/s390/kernel/compat_wrapper.c > > @@ -164,7 +164,7 @@ COMPAT_SYSCALL_WRAP3(finit_module, int, fd, const char > > __user *, uargs, int, fla > > COMPAT_SYSCALL_WRAP3(sched_setattr, pid_t, pid, struct sched_attr __user > > *, attr, unsigned int, flags); > > COMPAT_SYSCALL_WRAP4(sched_getattr, pid_t, pid, struct sched_attr __user > > *, attr, unsigned int, size, unsigned int, flags); > > COMPAT_SYSCALL_WRAP5(renameat2, int, olddfd, const char __user *, oldname, > > int, newdfd, const char __user *, newname, unsigned int, flags); > > -COMPAT_SYSCALL_WRAP3(seccomp, unsigned int, op, unsigned int, flags, const > > char __user *, uargs) > > +COMPAT_SYSCALL_WRAP3(seccomp, unsigned int, op, unsigned int, flags, void > > __user *, uargs) > > COMPAT_SYSCALL_WRAP3(getrandom, char __user *, buf, size_t, count, > > unsigned int, flags) > > COMPAT_SYSCALL_WRAP2(memfd_create, const char __user *, uname, unsigned > > int, flags) > > COMPAT_SYSCALL_WRAP3(bpf, int, cmd, union bpf_attr *, attr, unsigned int, > > size);
Re: [PATCH] seccomp, s390: fix build for syscall type change
On Thu, Dec 13, 2018 at 12:10 PM Tycho Andersen wrote: > > A recent patch landed in the security tree [1] that changed the type of the > seccomp syscall. Unfortunately, I didn't quite get every instance of the > forward declarations, and thus there is a build failure. Here's the last > one that I could find, for s390. It should go through the security tree, > although hopefully some s390 people can check and make sure it looks > reasonable? > > The only oddity is the trailing semicolon; some lines around this patch > have it, and some lines don't. I've left this one as-is. > > [1]: https://lore.kernel.org/lkml/20181212231630.GA31584@beast/T/#u > > Signed-off-by: Tycho Andersen Thanks! Added to my -next tree. -Kees > --- > arch/s390/kernel/compat_wrapper.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/s390/kernel/compat_wrapper.c > b/arch/s390/kernel/compat_wrapper.c > index 2ce28bf0c5ec..48c4ce668244 100644 > --- a/arch/s390/kernel/compat_wrapper.c > +++ b/arch/s390/kernel/compat_wrapper.c > @@ -164,7 +164,7 @@ COMPAT_SYSCALL_WRAP3(finit_module, int, fd, const char > __user *, uargs, int, fla > COMPAT_SYSCALL_WRAP3(sched_setattr, pid_t, pid, struct sched_attr __user *, > attr, unsigned int, flags); > COMPAT_SYSCALL_WRAP4(sched_getattr, pid_t, pid, struct sched_attr __user *, > attr, unsigned int, size, unsigned int, flags); > COMPAT_SYSCALL_WRAP5(renameat2, int, olddfd, const char __user *, oldname, > int, newdfd, const char __user *, newname, unsigned int, flags); > -COMPAT_SYSCALL_WRAP3(seccomp, unsigned int, op, unsigned int, flags, const > char __user *, uargs) > +COMPAT_SYSCALL_WRAP3(seccomp, unsigned int, op, unsigned int, flags, void > __user *, uargs) > COMPAT_SYSCALL_WRAP3(getrandom, char __user *, buf, size_t, count, unsigned > int, flags) > COMPAT_SYSCALL_WRAP2(memfd_create, const char __user *, uname, unsigned int, > flags) > COMPAT_SYSCALL_WRAP3(bpf, int, cmd, union bpf_attr *, attr, unsigned int, > size); > -- > 2.19.1 > -- Kees Cook