From: Seth Forshee <seth.forshee-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org> To: "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>, Miklos Szeredi <miklos-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org> Cc: linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Serge Hallyn <serge.hallyn-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>, Seth Forshee <seth.forshee-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>, dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, Miklos Szeredi <mszeredi-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, linux-security-module-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-raid-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, fuse-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, Austin S Hemmelgarn <ahferroin7-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Alexander Viro <viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org>, selinux-+05T5uksL2qpZYMLLGbcSA@public.gmane.org, linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Pavel Tikhomirov <ptikhomirov-5HdwGun5lf+gSpxsJD1C4w@public.gmane.org> Subject: [PATCH v4 18/21] fuse: Add support for pid namespaces Date: Tue, 26 Apr 2016 14:36:31 -0500 [thread overview] Message-ID: <1461699396-33000-19-git-send-email-seth.forshee@canonical.com> (raw) In-Reply-To: <1461699396-33000-1-git-send-email-seth.forshee-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org> When the userspace process servicing fuse requests is running in a pid namespace then pids passed via the fuse fd are not being translated into that process' namespace. Translation is necessary for the pid to be useful to that process. Since no use case currently exists for changing namespaces all translations can be done relative to the pid namespace in use when fuse_conn_init() is called. For fuse this translates to mount time, and for cuse this is when /dev/cuse is opened. IO for this connection from another namespace will return errors. Requests from processes whose pid cannot be translated into the target namespace are not permitted, except for requests allocated via fuse_get_req_nofail_nopages. For no-fail requests in.h.pid will be 0 if the pid translation fails. File locking changes based on previous work done by Eric Biederman. Signed-off-by: Seth Forshee <seth.forshee-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org> Acked-by: Miklos Szeredi <mszeredi-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> --- fs/fuse/dev.c | 19 +++++++++++++++---- fs/fuse/file.c | 22 +++++++++++++++++----- fs/fuse/fuse_i.h | 4 ++++ fs/fuse/inode.c | 3 +++ 4 files changed, 39 insertions(+), 9 deletions(-) diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index cbece1221417..4e91b2ac25a7 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -19,6 +19,7 @@ #include <linux/pipe_fs_i.h> #include <linux/swap.h> #include <linux/splice.h> +#include <linux/sched.h> MODULE_ALIAS_MISCDEV(FUSE_MINOR); MODULE_ALIAS("devname:fuse"); @@ -124,11 +125,11 @@ static void __fuse_put_request(struct fuse_req *req) atomic_dec(&req->count); } -static void fuse_req_init_context(struct fuse_req *req) +static void fuse_req_init_context(struct fuse_conn *fc, struct fuse_req *req) { req->in.h.uid = from_kuid_munged(&init_user_ns, current_fsuid()); req->in.h.gid = from_kgid_munged(&init_user_ns, current_fsgid()); - req->in.h.pid = current->pid; + req->in.h.pid = pid_nr_ns(task_pid(current), fc->pid_ns); } void fuse_set_initialized(struct fuse_conn *fc) @@ -181,10 +182,14 @@ static struct fuse_req *__fuse_get_req(struct fuse_conn *fc, unsigned npages, goto out; } - fuse_req_init_context(req); + fuse_req_init_context(fc, req); __set_bit(FR_WAITING, &req->flags); if (for_background) __set_bit(FR_BACKGROUND, &req->flags); + if (req->in.h.pid == 0) { + fuse_put_request(fc, req); + return ERR_PTR(-EOVERFLOW); + } return req; @@ -274,7 +279,7 @@ struct fuse_req *fuse_get_req_nofail_nopages(struct fuse_conn *fc, if (!req) req = get_reserved_req(fc, file); - fuse_req_init_context(req); + fuse_req_init_context(fc, req); __set_bit(FR_WAITING, &req->flags); __clear_bit(FR_BACKGROUND, &req->flags); return req; @@ -1243,6 +1248,9 @@ static ssize_t fuse_dev_do_read(struct fuse_dev *fud, struct file *file, struct fuse_in *in; unsigned reqsize; + if (task_active_pid_ns(current) != fc->pid_ns) + return -EIO; + restart: spin_lock(&fiq->waitq.lock); err = -EAGAIN; @@ -1872,6 +1880,9 @@ static ssize_t fuse_dev_do_write(struct fuse_dev *fud, struct fuse_req *req; struct fuse_out_header oh; + if (task_active_pid_ns(current) != fc->pid_ns) + return -EIO; + if (nbytes < sizeof(struct fuse_out_header)) return -EINVAL; diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 719924d6c706..b5c616c5ec98 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -2067,7 +2067,8 @@ static int fuse_direct_mmap(struct file *file, struct vm_area_struct *vma) return generic_file_mmap(file, vma); } -static int convert_fuse_file_lock(const struct fuse_file_lock *ffl, +static int convert_fuse_file_lock(struct fuse_conn *fc, + const struct fuse_file_lock *ffl, struct file_lock *fl) { switch (ffl->type) { @@ -2082,7 +2083,14 @@ static int convert_fuse_file_lock(const struct fuse_file_lock *ffl, fl->fl_start = ffl->start; fl->fl_end = ffl->end; - fl->fl_pid = ffl->pid; + + /* + * Convert pid into the caller's pid namespace. If the pid + * does not map into the namespace fl_pid will get set to 0. + */ + rcu_read_lock(); + fl->fl_pid = pid_vnr(find_pid_ns(ffl->pid, fc->pid_ns)); + rcu_read_unlock(); break; default: @@ -2131,7 +2139,7 @@ static int fuse_getlk(struct file *file, struct file_lock *fl) args.out.args[0].value = &outarg; err = fuse_simple_request(fc, &args); if (!err) - err = convert_fuse_file_lock(&outarg.lk, fl); + err = convert_fuse_file_lock(fc, &outarg.lk, fl); return err; } @@ -2143,7 +2151,8 @@ static int fuse_setlk(struct file *file, struct file_lock *fl, int flock) FUSE_ARGS(args); struct fuse_lk_in inarg; int opcode = (fl->fl_flags & FL_SLEEP) ? FUSE_SETLKW : FUSE_SETLK; - pid_t pid = fl->fl_type != F_UNLCK ? current->tgid : 0; + struct pid *pid = fl->fl_type != F_UNLCK ? task_tgid(current) : NULL; + pid_t pid_nr = pid_nr_ns(pid, fc->pid_ns); int err; if (fl->fl_lmops && fl->fl_lmops->lm_grant) { @@ -2155,7 +2164,10 @@ static int fuse_setlk(struct file *file, struct file_lock *fl, int flock) if (fl->fl_flags & FL_CLOSE) return 0; - fuse_lk_fill(&args, file, fl, opcode, pid, flock, &inarg); + if (pid && pid_nr == 0) + return -EOVERFLOW; + + fuse_lk_fill(&args, file, fl, opcode, pid_nr, flock, &inarg); err = fuse_simple_request(fc, &args); /* locking is restartable */ diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index eddbe02c4028..9145445a759a 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -23,6 +23,7 @@ #include <linux/poll.h> #include <linux/workqueue.h> #include <linux/kref.h> +#include <linux/pid_namespace.h> /** Max number of pages that can be used in a single read request */ #define FUSE_MAX_PAGES_PER_REQ 32 @@ -465,6 +466,9 @@ struct fuse_conn { /** The group id for this mount */ kgid_t group_id; + /** The pid namespace for this mount */ + struct pid_namespace *pid_ns; + /** The fuse mount flags for this mount */ unsigned flags; diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 1ce67668a8e1..eade0bfa4488 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -20,6 +20,7 @@ #include <linux/random.h> #include <linux/sched.h> #include <linux/exportfs.h> +#include <linux/pid_namespace.h> MODULE_AUTHOR("Miklos Szeredi <miklos-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>"); MODULE_DESCRIPTION("Filesystem in Userspace"); @@ -609,6 +610,7 @@ void fuse_conn_init(struct fuse_conn *fc) fc->connected = 1; fc->attr_version = 1; get_random_bytes(&fc->scramble_key, sizeof(fc->scramble_key)); + fc->pid_ns = get_pid_ns(task_active_pid_ns(current)); } EXPORT_SYMBOL_GPL(fuse_conn_init); @@ -617,6 +619,7 @@ void fuse_conn_put(struct fuse_conn *fc) if (atomic_dec_and_test(&fc->count)) { if (fc->destroy_req) fuse_request_free(fc->destroy_req); + put_pid_ns(fc->pid_ns); fc->release(fc); } } -- 2.7.4 ------------------------------------------------------------------------------ Find and fix application performance issues faster with Applications Manager Applications Manager provides deep performance insights into multiple tiers of your business applications. It resolves application problems quickly and reduces your MTTR. Get your free trial! https://ad.doubleclick.net/ddm/clk/302982198;130105516;z -- fuse-devel mailing list To unsubscribe or subscribe, visit https://lists.sourceforge.net/lists/listinfo/fuse-devel
WARNING: multiple messages have this Message-ID (diff)
From: Seth Forshee <seth.forshee@canonical.com> To: "Eric W. Biederman" <ebiederm@xmission.com>, Miklos Szeredi <miklos@szeredi.hu> Cc: Alexander Viro <viro@zeniv.linux.org.uk>, Serge Hallyn <serge.hallyn@canonical.com>, Richard Weinberger <richard.weinberger@gmail.com>, Austin S Hemmelgarn <ahferroin7@gmail.com>, Miklos Szeredi <mszeredi@redhat.com>, Pavel Tikhomirov <ptikhomirov@virtuozzo.com>, linux-kernel@vger.kernel.org, linux-bcache@vger.kernel.org, dm-devel@redhat.com, linux-raid@vger.kernel.org, linux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org, fuse-devel@lists.sourceforge.net, linux-security-module@vger.kernel.org, selinux@tycho.nsa.gov, cgroups@vger.kernel.org, Seth Forshee <seth.forshee@canonical.com> Subject: [PATCH v4 18/21] fuse: Add support for pid namespaces Date: Tue, 26 Apr 2016 14:36:31 -0500 [thread overview] Message-ID: <1461699396-33000-19-git-send-email-seth.forshee@canonical.com> (raw) In-Reply-To: <1461699396-33000-1-git-send-email-seth.forshee@canonical.com> When the userspace process servicing fuse requests is running in a pid namespace then pids passed via the fuse fd are not being translated into that process' namespace. Translation is necessary for the pid to be useful to that process. Since no use case currently exists for changing namespaces all translations can be done relative to the pid namespace in use when fuse_conn_init() is called. For fuse this translates to mount time, and for cuse this is when /dev/cuse is opened. IO for this connection from another namespace will return errors. Requests from processes whose pid cannot be translated into the target namespace are not permitted, except for requests allocated via fuse_get_req_nofail_nopages. For no-fail requests in.h.pid will be 0 if the pid translation fails. File locking changes based on previous work done by Eric Biederman. Signed-off-by: Seth Forshee <seth.forshee@canonical.com> Acked-by: Miklos Szeredi <mszeredi@redhat.com> --- fs/fuse/dev.c | 19 +++++++++++++++---- fs/fuse/file.c | 22 +++++++++++++++++----- fs/fuse/fuse_i.h | 4 ++++ fs/fuse/inode.c | 3 +++ 4 files changed, 39 insertions(+), 9 deletions(-) diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index cbece1221417..4e91b2ac25a7 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -19,6 +19,7 @@ #include <linux/pipe_fs_i.h> #include <linux/swap.h> #include <linux/splice.h> +#include <linux/sched.h> MODULE_ALIAS_MISCDEV(FUSE_MINOR); MODULE_ALIAS("devname:fuse"); @@ -124,11 +125,11 @@ static void __fuse_put_request(struct fuse_req *req) atomic_dec(&req->count); } -static void fuse_req_init_context(struct fuse_req *req) +static void fuse_req_init_context(struct fuse_conn *fc, struct fuse_req *req) { req->in.h.uid = from_kuid_munged(&init_user_ns, current_fsuid()); req->in.h.gid = from_kgid_munged(&init_user_ns, current_fsgid()); - req->in.h.pid = current->pid; + req->in.h.pid = pid_nr_ns(task_pid(current), fc->pid_ns); } void fuse_set_initialized(struct fuse_conn *fc) @@ -181,10 +182,14 @@ static struct fuse_req *__fuse_get_req(struct fuse_conn *fc, unsigned npages, goto out; } - fuse_req_init_context(req); + fuse_req_init_context(fc, req); __set_bit(FR_WAITING, &req->flags); if (for_background) __set_bit(FR_BACKGROUND, &req->flags); + if (req->in.h.pid == 0) { + fuse_put_request(fc, req); + return ERR_PTR(-EOVERFLOW); + } return req; @@ -274,7 +279,7 @@ struct fuse_req *fuse_get_req_nofail_nopages(struct fuse_conn *fc, if (!req) req = get_reserved_req(fc, file); - fuse_req_init_context(req); + fuse_req_init_context(fc, req); __set_bit(FR_WAITING, &req->flags); __clear_bit(FR_BACKGROUND, &req->flags); return req; @@ -1243,6 +1248,9 @@ static ssize_t fuse_dev_do_read(struct fuse_dev *fud, struct file *file, struct fuse_in *in; unsigned reqsize; + if (task_active_pid_ns(current) != fc->pid_ns) + return -EIO; + restart: spin_lock(&fiq->waitq.lock); err = -EAGAIN; @@ -1872,6 +1880,9 @@ static ssize_t fuse_dev_do_write(struct fuse_dev *fud, struct fuse_req *req; struct fuse_out_header oh; + if (task_active_pid_ns(current) != fc->pid_ns) + return -EIO; + if (nbytes < sizeof(struct fuse_out_header)) return -EINVAL; diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 719924d6c706..b5c616c5ec98 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -2067,7 +2067,8 @@ static int fuse_direct_mmap(struct file *file, struct vm_area_struct *vma) return generic_file_mmap(file, vma); } -static int convert_fuse_file_lock(const struct fuse_file_lock *ffl, +static int convert_fuse_file_lock(struct fuse_conn *fc, + const struct fuse_file_lock *ffl, struct file_lock *fl) { switch (ffl->type) { @@ -2082,7 +2083,14 @@ static int convert_fuse_file_lock(const struct fuse_file_lock *ffl, fl->fl_start = ffl->start; fl->fl_end = ffl->end; - fl->fl_pid = ffl->pid; + + /* + * Convert pid into the caller's pid namespace. If the pid + * does not map into the namespace fl_pid will get set to 0. + */ + rcu_read_lock(); + fl->fl_pid = pid_vnr(find_pid_ns(ffl->pid, fc->pid_ns)); + rcu_read_unlock(); break; default: @@ -2131,7 +2139,7 @@ static int fuse_getlk(struct file *file, struct file_lock *fl) args.out.args[0].value = &outarg; err = fuse_simple_request(fc, &args); if (!err) - err = convert_fuse_file_lock(&outarg.lk, fl); + err = convert_fuse_file_lock(fc, &outarg.lk, fl); return err; } @@ -2143,7 +2151,8 @@ static int fuse_setlk(struct file *file, struct file_lock *fl, int flock) FUSE_ARGS(args); struct fuse_lk_in inarg; int opcode = (fl->fl_flags & FL_SLEEP) ? FUSE_SETLKW : FUSE_SETLK; - pid_t pid = fl->fl_type != F_UNLCK ? current->tgid : 0; + struct pid *pid = fl->fl_type != F_UNLCK ? task_tgid(current) : NULL; + pid_t pid_nr = pid_nr_ns(pid, fc->pid_ns); int err; if (fl->fl_lmops && fl->fl_lmops->lm_grant) { @@ -2155,7 +2164,10 @@ static int fuse_setlk(struct file *file, struct file_lock *fl, int flock) if (fl->fl_flags & FL_CLOSE) return 0; - fuse_lk_fill(&args, file, fl, opcode, pid, flock, &inarg); + if (pid && pid_nr == 0) + return -EOVERFLOW; + + fuse_lk_fill(&args, file, fl, opcode, pid_nr, flock, &inarg); err = fuse_simple_request(fc, &args); /* locking is restartable */ diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index eddbe02c4028..9145445a759a 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -23,6 +23,7 @@ #include <linux/poll.h> #include <linux/workqueue.h> #include <linux/kref.h> +#include <linux/pid_namespace.h> /** Max number of pages that can be used in a single read request */ #define FUSE_MAX_PAGES_PER_REQ 32 @@ -465,6 +466,9 @@ struct fuse_conn { /** The group id for this mount */ kgid_t group_id; + /** The pid namespace for this mount */ + struct pid_namespace *pid_ns; + /** The fuse mount flags for this mount */ unsigned flags; diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 1ce67668a8e1..eade0bfa4488 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -20,6 +20,7 @@ #include <linux/random.h> #include <linux/sched.h> #include <linux/exportfs.h> +#include <linux/pid_namespace.h> MODULE_AUTHOR("Miklos Szeredi <miklos@szeredi.hu>"); MODULE_DESCRIPTION("Filesystem in Userspace"); @@ -609,6 +610,7 @@ void fuse_conn_init(struct fuse_conn *fc) fc->connected = 1; fc->attr_version = 1; get_random_bytes(&fc->scramble_key, sizeof(fc->scramble_key)); + fc->pid_ns = get_pid_ns(task_active_pid_ns(current)); } EXPORT_SYMBOL_GPL(fuse_conn_init); @@ -617,6 +619,7 @@ void fuse_conn_put(struct fuse_conn *fc) if (atomic_dec_and_test(&fc->count)) { if (fc->destroy_req) fuse_request_free(fc->destroy_req); + put_pid_ns(fc->pid_ns); fc->release(fc); } } -- 2.7.4
next prev parent reply other threads:[~2016-04-26 19:36 UTC|newest] Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-04-26 19:36 [PATCH v4 00/21] Support fuse mounts in user namespaces Seth Forshee 2016-04-26 19:36 ` Seth Forshee 2016-04-26 19:36 ` [PATCH v4 01/21] fs: fix a posible leak of allocated superblock Seth Forshee 2016-04-26 19:36 ` [PATCH v4 04/21] block_dev: Support checking inode permissions in lookup_bdev() Seth Forshee 2016-04-26 19:36 ` Seth Forshee 2016-04-26 19:36 ` [PATCH v4 05/21] block_dev: Check permissions towards block device inode when mounting Seth Forshee 2016-04-26 19:36 ` [PATCH v4 06/21] fs: Treat foreign mounts as nosuid Seth Forshee 2016-04-26 19:36 ` Seth Forshee 2016-04-26 19:36 ` [PATCH v4 08/21] userns: Replace in_userns with current_in_userns Seth Forshee 2016-04-26 19:36 ` Seth Forshee 2016-04-26 19:36 ` [PATCH v4 09/21] Smack: Handle labels consistently in untrusted mounts Seth Forshee 2016-04-26 19:36 ` [PATCH v4 10/21] fs: Check for invalid i_uid in may_follow_link() Seth Forshee 2016-04-26 19:36 ` Seth Forshee 2016-05-24 15:55 ` Djalal Harouni 2016-04-26 19:36 ` [PATCH v4 11/21] cred: Reject inodes with invalid ids in set_create_file_as() Seth Forshee 2016-04-26 19:36 ` Seth Forshee 2016-04-26 19:36 ` [PATCH v4 15/21] fs: Don't remove suid for CAP_FSETID in s_user_ns Seth Forshee 2016-04-26 19:36 ` Seth Forshee [not found] ` <1461699396-33000-1-git-send-email-seth.forshee-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org> 2016-04-26 19:36 ` [PATCH v4 02/21] fs: Remove check of s_user_ns for existing mounts in fs_fully_visible() Seth Forshee 2016-04-26 19:36 ` Seth Forshee 2016-04-26 19:36 ` [PATCH v4 03/21] fs: Allow sysfs and cgroupfs to share super blocks between user namespaces Seth Forshee 2016-04-26 19:36 ` Seth Forshee 2016-04-26 19:36 ` [PATCH v4 07/21] selinux: Add support for unprivileged mounts from " Seth Forshee 2016-04-26 19:36 ` Seth Forshee 2016-04-26 19:36 ` [PATCH v4 12/21] fs: Refuse uid/gid changes which don't map into s_user_ns Seth Forshee 2016-04-26 19:36 ` Seth Forshee 2016-04-26 19:36 ` [PATCH v4 13/21] fs: Update posix_acl support to handle user namespace mounts Seth Forshee 2016-04-26 19:36 ` Seth Forshee 2016-04-26 19:36 ` [PATCH v4 14/21] fs: Allow superblock owner to change ownership of inodes with unmappable ids Seth Forshee 2016-04-26 19:36 ` Seth Forshee 2016-04-26 19:36 ` [PATCH v4 16/21] fs: Allow superblock owner to access do_remount_sb() Seth Forshee 2016-04-26 19:36 ` Seth Forshee 2016-04-26 19:36 ` [PATCH v4 17/21] capabilities: Allow privileged user in s_user_ns to set security.* xattrs Seth Forshee 2016-04-26 19:36 ` Seth Forshee [not found] ` <1461699396-33000-18-git-send-email-seth.forshee-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org> 2016-04-27 7:22 ` James Morris 2016-04-27 7:22 ` James Morris 2016-04-26 19:36 ` Seth Forshee [this message] 2016-04-26 19:36 ` [PATCH v4 18/21] fuse: Add support for pid namespaces Seth Forshee 2016-07-20 2:44 ` Sheng Yang [not found] ` <CA+2rt426_pshAauQizcxkfAq16vmEpB4sJ4genW_ucosH3j=zQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2016-07-20 12:52 ` Seth Forshee 2016-07-20 12:52 ` Seth Forshee 2016-07-20 22:28 ` Sheng Yang 2016-07-21 7:25 ` Miklos Szeredi 2016-07-21 7:25 ` Miklos Szeredi 2016-04-26 19:36 ` [PATCH v4 19/21] fuse: Support fuse filesystems outside of init_user_ns Seth Forshee 2016-04-26 19:36 ` Seth Forshee 2016-04-26 19:36 ` [PATCH v4 20/21] fuse: Restrict allow_other to the superblock's namespace or a descendant Seth Forshee 2016-04-26 19:36 ` [PATCH v4 21/21] fuse: Allow user namespace mounts Seth Forshee -- strict thread matches above, loose matches on Subject: below -- 2016-04-26 19:30 [PATCH v4 00/21] Support fuse mounts in user namespaces Seth Forshee [not found] ` <1461699046-30485-1-git-send-email-seth.forshee-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org> 2016-04-26 19:30 ` [PATCH v4 18/21] fuse: Add support for pid namespaces Seth Forshee 2016-04-26 19:30 ` Seth Forshee
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