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pstore: selinux: add security in-core xattr support for pstore and debugfs

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- add "pstore" and "debugfs" to list of in-core exceptions
- change fstype checks to boolean equation
- change from strncmp to strcmp for checking

(Cherry Pick from commit 2294d499b7969df3838becf5e58bf16b0e3c86c8)

Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Bug: 18917345
Bug: 18935184
Change-Id: Ib648f30ce4b5d6c96f11465836d6fee89bec1c72
This commit is contained in:
Mark Salyzyn
2015-06-30 12:52:05 +05:30
committed by Samir Mehta
parent 24fc71753d
commit 2c088055d6
1 changed files with 5 additions and 2 deletions
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security/selinux/hooks.c
+5 -2
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@@ -402,8 +402,11 @@ static int sb_finish_set_opts(struct super_block *sb)
sbsec->behavior > ARRAY_SIZE(labeling_behaviors))
sbsec->flags &= ~SE_SBLABELSUPP;
/* Special handling for sysfs. Is genfs but also has setxattr handler*/
if (strncmp(sb->s_type->name, "sysfs", sizeof("sysfs")) == 0)
/* Special handling. Is genfs but also has in-core setxattr handler*/
if (!strcmp(sb->s_type->name, "sysfs") ||
!strcmp(sb->s_type->name, "pstore") ||
!strcmp(sb->s_type->name, "debugfs") ||
!strcmp(sb->s_type->name, "rootfs"))
sbsec->flags |= SE_SBLABELSUPP;
/* Initialize the root inode. */