linux-kernel - [PATCH] Don't export scsi kernel variables in userspace headers.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20090725021026.GA6942@redhat.com>
Date:	Fri, 24 Jul 2009 22:10:26 -0400
From:	Dave Jones <davej@...hat.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
Cc:	linux-scsi@...r.kernel.org
Subject: [PATCH] Don't export scsi kernel variables in userspace headers.

Found with make headers_check

/usr/include/scsi/scsi.h:159: userspace cannot call function or variable defined in the kernel
/usr/include/scsi/scsi.h:285: userspace cannot call function or variable defined in the kernel

Signed-off-by: Dave Jones <davej@...hat.com>

diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 084478e..689570e 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -156,7 +156,9 @@ scsi_varlen_cdb_length(const void *hdr)
 	return ((struct scsi_varlen_cdb_hdr *)hdr)->additional_cdb_length + 8;
 }
 
+#ifdef __KERNEL__
 extern const unsigned char scsi_command_size_tbl[8];
+#endif
 #define COMMAND_SIZE(opcode) scsi_command_size_tbl[((opcode) >> 5) & 7]
 
 static inline unsigned
@@ -281,8 +283,10 @@ enum scsi_protocol {
 	SCSI_PROTOCOL_UNSPEC = 0xf, /* No specific protocol */
 };
 
+#ifdef __KERNEL__
 /* Returns a human-readable name for the device */
 extern const char * scsi_device_type(unsigned type);
+#endif
 
 /*
  * standard mode-select header prepended to all mode-select commands
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/