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authorLinus Torvalds <torvalds@linux-foundation.org>2018-06-07 08:50:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-06-07 08:50:57 -0700
commitda315f6e03988a7127680bbc26e1028991b899b8 (patch)
treefc4a41dbb22ac0a7a2f683dc5c5c6789957ce5e8 /kernel
parent1c8c5a9d38f607c0b6fd12c91cbe1a4418762a21 (diff)
parent543b8f8662fe6d21f19958b666ab0051af9db21a (diff)
downloadlinux-da315f6e03988a7127680bbc26e1028991b899b8.tar.bz2
Merge tag 'fuse-update-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse updates from Miklos Szeredi: "The most interesting part of this update is user namespace support, mostly done by Eric Biederman. This enables safe unprivileged fuse mounts within a user namespace. There are also a couple of fixes for bugs found by syzbot and miscellaneous fixes and cleanups" * tag 'fuse-update-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: don't keep dead fuse_conn at fuse_fill_super(). fuse: fix control dir setup and teardown fuse: fix congested state leak on aborted connections fuse: Allow fully unprivileged mounts fuse: Ensure posix acls are translated outside of init_user_ns fuse: add writeback documentation fuse: honor AT_STATX_FORCE_SYNC fuse: honor AT_STATX_DONT_SYNC fuse: Restrict allow_other to the superblock's namespace or a descendant fuse: Support fuse filesystems outside of init_user_ns fuse: Fail all requests with invalid uids or gids fuse: Remove the buggy retranslation of pids in fuse_dev_do_read fuse: return -ECONNABORTED on /dev/fuse read after abort fuse: atomic_o_trunc should truncate pagecache
Diffstat (limited to 'kernel')
-rw-r--r--kernel/user_namespace.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
index 246d4d4ce5c7..492c255e6c5a 100644
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -1235,6 +1235,7 @@ bool current_in_userns(const struct user_namespace *target_ns)
{
return in_userns(target_ns, current_user_ns());
}
+EXPORT_SYMBOL(current_in_userns);
static inline struct user_namespace *to_user_ns(struct ns_common *ns)
{