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* [PATCH] fix fchown fallback on arches without chown(2)
@ 2017-05-27 20:20 Samuel Holland
  2017-05-28  2:04 ` Rich Felker
  0 siblings, 1 reply; 2+ messages in thread
From: Samuel Holland @ 2017-05-27 20:20 UTC (permalink / raw)
  To: musl; +Cc: Samuel Holland

The flags argument was missing, causing uninitalized data to be passed
to fchownat(2). The correct value of flags should match the fallback for
chown(3).
---
 src/unistd/fchown.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/unistd/fchown.c b/src/unistd/fchown.c
index 03459849..75075eec 100644
--- a/src/unistd/fchown.c
+++ b/src/unistd/fchown.c
@@ -16,7 +16,7 @@ int fchown(int fd, uid_t uid, gid_t gid)
 #ifdef SYS_chown
 	return syscall(SYS_chown, buf, uid, gid);
 #else
-	return syscall(SYS_fchownat, AT_FDCWD, buf, uid, gid);
+	return syscall(SYS_fchownat, AT_FDCWD, buf, uid, gid, 0);
 #endif
 
 }
-- 
2.13.0



^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] fix fchown fallback on arches without chown(2)
  2017-05-27 20:20 [PATCH] fix fchown fallback on arches without chown(2) Samuel Holland
@ 2017-05-28  2:04 ` Rich Felker
  0 siblings, 0 replies; 2+ messages in thread
From: Rich Felker @ 2017-05-28  2:04 UTC (permalink / raw)
  To: musl

On Sat, May 27, 2017 at 03:20:01PM -0500, Samuel Holland wrote:
> The flags argument was missing, causing uninitalized data to be passed
> to fchownat(2). The correct value of flags should match the fallback for
> chown(3).
> ---
>  src/unistd/fchown.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/unistd/fchown.c b/src/unistd/fchown.c
> index 03459849..75075eec 100644
> --- a/src/unistd/fchown.c
> +++ b/src/unistd/fchown.c
> @@ -16,7 +16,7 @@ int fchown(int fd, uid_t uid, gid_t gid)
>  #ifdef SYS_chown
>  	return syscall(SYS_chown, buf, uid, gid);
>  #else
> -	return syscall(SYS_fchownat, AT_FDCWD, buf, uid, gid);
> +	return syscall(SYS_fchownat, AT_FDCWD, buf, uid, gid, 0);
>  #endif
>  
>  }
> -- 
> 2.13.0

Thanks. Applying.

Rich


^ permalink raw reply	[flat|nested] 2+ messages in thread

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2017-05-27 20:20 [PATCH] fix fchown fallback on arches without chown(2) Samuel Holland
2017-05-28  2:04 ` Rich Felker

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