The following commit has been merged into the x86/urgent branch of tip:
Commit-ID: 8e742aa79780b13cd300a42198c1a4cea9c89905 Gitweb: https://git.kernel.org/tip/8e742aa79780b13cd300a42198c1a4cea9c89905 Author: Jiri Slaby jslaby@suse.cz AuthorDate: Wed, 10 Jun 2020 13:48:51 +02:00 Committer: Thomas Gleixner tglx@linutronix.de CommitterDate: Mon, 15 Jun 2020 11:16:27 +02:00
syscalls: Fix offset type of ksys_ftruncate()
After the commit below, truncate() on x86 32bit uses ksys_ftruncate(). But ksys_ftruncate() truncates the offset to unsigned long.
Switch the type of offset to loff_t which is what do_sys_ftruncate() expects.
Fixes: 121b32a58a3a (x86/entry/32: Use IA32-specific wrappers for syscalls taking 64-bit arguments) Signed-off-by: Jiri Slaby jslaby@suse.cz Signed-off-by: Thomas Gleixner tglx@linutronix.de Reviewed-by: Brian Gerst brgerst@gmail.com Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20200610114851.28549-1-jslaby@suse.cz --- include/linux/syscalls.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 7c354c2..b951a87 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -1360,7 +1360,7 @@ static inline long ksys_lchown(const char __user *filename, uid_t user,
extern long do_sys_ftruncate(unsigned int fd, loff_t length, int small);
-static inline long ksys_ftruncate(unsigned int fd, unsigned long length) +static inline long ksys_ftruncate(unsigned int fd, loff_t length) { return do_sys_ftruncate(fd, length, 1); }