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| author | John Baldwin <jhb@FreeBSD.org> | 2019-11-18 20:07:43 +0000 |
|---|---|---|
| committer | John Baldwin <jhb@FreeBSD.org> | 2019-11-18 20:07:43 +0000 |
| commit | 03b0d68c7237a1610185bf8adbcdcc51cc1c3823 (patch) | |
| tree | 2fcea92c35e69703d2128f14eb0513c93916f66d /sys/compat/cloudabi64/cloudabi64_module.c | |
| parent | 85e06c728c68131e155a5e7138bec7f300d82433 (diff) | |
| download | src-03b0d68c7237a1610185bf8adbcdcc51cc1c3823.tar.gz src-03b0d68c7237a1610185bf8adbcdcc51cc1c3823.zip | |
Check for errors from copyout() and suword*() in sv_copyout_args/strings.
Reviewed by: brooks, kib
Tested on: amd64 (amd64, i386, linux64), i386 (i386, linux)
Sponsored by: DARPA
Differential Revision: https://reviews.freebsd.org/D22401
Notes
Notes:
svn path=/head/; revision=354827
Diffstat (limited to 'sys/compat/cloudabi64/cloudabi64_module.c')
| -rw-r--r-- | sys/compat/cloudabi64/cloudabi64_module.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/compat/cloudabi64/cloudabi64_module.c b/sys/compat/cloudabi64/cloudabi64_module.c index fd0be086aac3..7459b026d8ec 100644 --- a/sys/compat/cloudabi64/cloudabi64_module.c +++ b/sys/compat/cloudabi64/cloudabi64_module.c @@ -45,8 +45,8 @@ __FBSDID("$FreeBSD$"); extern char _binary_cloudabi64_vdso_o_start[]; extern char _binary_cloudabi64_vdso_o_end[]; -register_t * -cloudabi64_copyout_strings(struct image_params *imgp) +int +cloudabi64_copyout_strings(struct image_params *imgp, register_t **stack_base) { struct image_args *args; uintptr_t begin; @@ -56,8 +56,8 @@ cloudabi64_copyout_strings(struct image_params *imgp) args = imgp->args; len = exec_args_get_begin_envv(args) - args->begin_argv; begin = rounddown2(imgp->sysent->sv_usrstack - len, sizeof(register_t)); - copyout(args->begin_argv, (void *)begin, len); - return ((register_t *)begin); + *stack_base = (register_t *)begin; + return (copyout(args->begin_argv, (void *)begin, len)); } int |