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Commit 140dfd00 authored by Alex Chiang's avatar Alex Chiang Committed by Chris Mason
Browse files

btrfs-progs: Stop stomping on 'name' input parameter 



In btrfs_name_hash, Local variable 'buf' is declared as

	__u32 buf[2];

but we then try to do this:

	buf[0] = 0x67452301;
	buf[1] = 0xefcdab89;
	buf[2] = 0x98badcfe;
	buf[3] = 0x10325476;

Oops. Fix buf to be the proper size.

Signed-off-by: default avatarAlex Chiang <achiang@hp.com>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 2b114d1d

fs/btrfs/hash.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -81,7 +81,7 @@ u64 btrfs_name_hash(const char *name, int len) 
	__u32	hash;

	__u32	hash;

	__u32	minor_hash = 0;

	__u32	minor_hash = 0;

	const char	*p;

	const char	*p;

	__u32		in[8], buf[2];

	__u32		in[8], buf[4];

	u64		hash_result;

	u64		hash_result;





	if (len == 1 && *name == '.') {

	if (len == 1 && *name == '.') {