Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 18931c89 authored by Andreas Schwab's avatar Andreas Schwab Committed by Catalin Marinas
Browse files

arm64: fix padding computation in struct ucontext 



The expression to compute the padding needed to fill the uc_sigmask field
to 1024 bits actually computes the padding needed for 1080 bits.
Fortunately, due to the 16-byte alignment of the following field
(uc_mcontext) the definition in glibc contains enough bytes of padding
after uc_sigmask so that the overall offsets and size match in both
definitions.

Signed-off-by: default avatarAndreas Schwab <schwab@suse.de>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent a2c91547

arch/arm64/include/asm/ucontext.h

+1 −1
Original line number Diff line number Diff line
@@ -22,7 +22,7 @@ struct ucontext { 
	stack_t		  uc_stack;

	sigset_t	  uc_sigmask;

	/* glibc uses a 1024-bit sigset_t */

	__u8		  __unused[(1024 - sizeof(sigset_t)) / 8];

	__u8		  __unused[1024 / 8 - sizeof(sigset_t)];

	/* last for future expansion */

	struct sigcontext uc_mcontext;

};