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docs: filesystems: fix renamed references Some filesystem references got broken by a previous patch series I submitted. Address those. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Acked-by: David Sterba <dsterba@suse.com> # fs/affs/Kconfig Link: https://lore.kernel.org/r/57318c53008dbda7f6f4a5a9e5787f4d37e8565a.1586881715.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net> | 6 年前 | |
treewide: Add SPDX license identifier - Makefile/Kconfig Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 7 年前 | |
fs: Create a generic is_dot_dotdot() utility commit 42c3732fa8073717dd7d924472f1c0bc5b452fdc upstream. De-duplicate the same functionality in several places by hoisting the is_dot_dotdot() utility function into linux/fs.h. Suggested-by: Amir Goldstein <amir73il@gmail.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: Amir Goldstein <amir73il@gmail.com> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 1 年前 | |
ecryptfs: debug: Demote a couple of kernel-doc abuses Fixes the following W=1 kernel build warning(s): fs/ecryptfs/debug.c:13: warning: Incorrect use of kernel-doc format: * ecryptfs_dump_auth_tok - debug function to print auth toks fs/ecryptfs/debug.c:19: warning: Function parameter or member 'auth_tok' not described in 'ecryptfs_dump_auth_tok' fs/ecryptfs/debug.c:19: warning: expecting prototype for eCryptfs(). Prototype was for ecryptfs_dump_auth_tok() instead Cc: Tyler Hicks <code@tyhicks.com> Cc: "Michael A. Halcrow" <mahalcro@us.ibm.com> Cc: ecryptfs@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Tyler Hicks <code@tyhicks.com> | 5 年前 | |
ecryptfs: dentry: File headers are not good candidates for kernel-doc Fixes the following W=1 kernel build warning(s): fs/ecryptfs/dentry.c:19: warning: Incorrect use of kernel-doc format: * ecryptfs_d_revalidate - revalidate an ecryptfs dentry fs/ecryptfs/dentry.c:32: warning: Function parameter or member 'dentry' not described in 'ecryptfs_d_revalidate' fs/ecryptfs/dentry.c:32: warning: Function parameter or member 'flags' not described in 'ecryptfs_d_revalidate' fs/ecryptfs/dentry.c:32: warning: expecting prototype for eCryptfs(). Prototype was for ecryptfs_d_revalidate() instead Cc: Tyler Hicks <code@tyhicks.com> Cc: "Michael A. Halcrow" <mahalcro@us.ibm.com> Cc: ecryptfs@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Tyler Hicks <code@tyhicks.com> | 5 年前 | |
ecryptfs: move ecryptfs_xattr_handlers to .rodata mainline inclusion from mainline-v6.7-rc1 category: hardened This makes it harder for accidental or malicious changes to ecryptfs_xattr_handlers at runtime. Cc: Tyler Hicks <code@tyhicks.com> Cc: ecryptfs@vger.kernel.org Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com> Link: https://lore.kernel.org/r/20230930050033.41174-8-wedsonaf@gmail.com Signed-off-by: Christian Brauner <brauner@kernel.org> (cherry picked from commit f354ed9810661334fe53196e83b08d8e8680f72f) Signed-off-by: Wentao Guan <guanwentao@uniontech.com> | 2 个月前 | |
splice: Use filemap_splice_read() instead of generic_file_splice_read() Replace pointers to generic_file_splice_read() with calls to filemap_splice_read(). Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Christian Brauner <brauner@kernel.org> cc: Jens Axboe <axboe@kernel.dk> cc: Al Viro <viro@zeniv.linux.org.uk> cc: David Hildenbrand <david@redhat.com> cc: John Hubbard <jhubbard@nvidia.com> cc: linux-mm@kvack.org cc: linux-block@vger.kernel.org cc: linux-fsdevel@vger.kernel.org Link: https://lore.kernel.org/r/20230522135018.2742245-29-dhowells@redhat.com Signed-off-by: Jens Axboe <axboe@kernel.dk> | 3 年前 | |
ecryptfs: move ecryptfs_xattr_handlers to .rodata mainline inclusion from mainline-v6.7-rc1 category: hardened This makes it harder for accidental or malicious changes to ecryptfs_xattr_handlers at runtime. Cc: Tyler Hicks <code@tyhicks.com> Cc: ecryptfs@vger.kernel.org Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com> Link: https://lore.kernel.org/r/20230930050033.41174-8-wedsonaf@gmail.com Signed-off-by: Christian Brauner <brauner@kernel.org> (cherry picked from commit f354ed9810661334fe53196e83b08d8e8680f72f) Signed-off-by: Wentao Guan <guanwentao@uniontech.com> | 2 个月前 | |
ecryptfs: Fix buffer size for tag 66 packet [ Upstream commit 85a6a1aff08ec9f5b929d345d066e2830e8818e5 ] The 'TAG 66 Packet Format' description is missing the cipher code and checksum fields that are packed into the message packet. As a result, the buffer allocated for the packet is 3 bytes too small and write_tag_66_packet() will write up to 3 bytes past the end of the buffer. Fix this by increasing the size of the allocation so the whole packet will always fit in the buffer. This fixes the below kasan slab-out-of-bounds bug: BUG: KASAN: slab-out-of-bounds in ecryptfs_generate_key_packet_set+0x7d6/0xde0 Write of size 1 at addr ffff88800afbb2a5 by task touch/181 CPU: 0 PID: 181 Comm: touch Not tainted 6.6.13-gnu #1 4c9534092be820851bb687b82d1f92a426598dc6 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2/GNU Guix 04/01/2014 Call Trace: <TASK> dump_stack_lvl+0x4c/0x70 print_report+0xc5/0x610 ? ecryptfs_generate_key_packet_set+0x7d6/0xde0 ? kasan_complete_mode_report_info+0x44/0x210 ? ecryptfs_generate_key_packet_set+0x7d6/0xde0 kasan_report+0xc2/0x110 ? ecryptfs_generate_key_packet_set+0x7d6/0xde0 __asan_store1+0x62/0x80 ecryptfs_generate_key_packet_set+0x7d6/0xde0 ? __pfx_ecryptfs_generate_key_packet_set+0x10/0x10 ? __alloc_pages+0x2e2/0x540 ? __pfx_ovl_open+0x10/0x10 [overlay 30837f11141636a8e1793533a02e6e2e885dad1d] ? dentry_open+0x8f/0xd0 ecryptfs_write_metadata+0x30a/0x550 ? __pfx_ecryptfs_write_metadata+0x10/0x10 ? ecryptfs_get_lower_file+0x6b/0x190 ecryptfs_initialize_file+0x77/0x150 ecryptfs_create+0x1c2/0x2f0 path_openat+0x17cf/0x1ba0 ? __pfx_path_openat+0x10/0x10 do_filp_open+0x15e/0x290 ? __pfx_do_filp_open+0x10/0x10 ? __kasan_check_write+0x18/0x30 ? _raw_spin_lock+0x86/0xf0 ? __pfx__raw_spin_lock+0x10/0x10 ? __kasan_check_write+0x18/0x30 ? alloc_fd+0xf4/0x330 do_sys_openat2+0x122/0x160 ? __pfx_do_sys_openat2+0x10/0x10 __x64_sys_openat+0xef/0x170 ? __pfx___x64_sys_openat+0x10/0x10 do_syscall_64+0x60/0xd0 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7f00a703fd67 Code: 25 00 00 41 00 3d 00 00 41 00 74 37 64 8b 04 25 18 00 00 00 85 c0 75 5b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 85 00 00 00 48 83 c4 68 5d 41 5c c3 0f 1f RSP: 002b:00007ffc088e30b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ffc088e3368 RCX: 00007f00a703fd67 RDX: 0000000000000941 RSI: 00007ffc088e48d7 RDI: 00000000ffffff9c RBP: 00007ffc088e48d7 R08: 0000000000000001 R09: 0000000000000000 R10: 00000000000001b6 R11: 0000000000000246 R12: 0000000000000941 R13: 0000000000000000 R14: 00007ffc088e48d7 R15: 00007f00a7180040 </TASK> Allocated by task 181: kasan_save_stack+0x2f/0x60 kasan_set_track+0x29/0x40 kasan_save_alloc_info+0x25/0x40 __kasan_kmalloc+0xc5/0xd0 __kmalloc+0x66/0x160 ecryptfs_generate_key_packet_set+0x6d2/0xde0 ecryptfs_write_metadata+0x30a/0x550 ecryptfs_initialize_file+0x77/0x150 ecryptfs_create+0x1c2/0x2f0 path_openat+0x17cf/0x1ba0 do_filp_open+0x15e/0x290 do_sys_openat2+0x122/0x160 __x64_sys_openat+0xef/0x170 do_syscall_64+0x60/0xd0 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 Fixes: dddfa461fc89 ("[PATCH] eCryptfs: Public key; packet management") Signed-off-by: Brian Kubisiak <brian@kubisiak.com> Link: https://lore.kernel.org/r/5j2q56p6qkhezva6b2yuqfrsurmvrrqtxxzrnp3wqu7xrz22i7@hoecdztoplbl Signed-off-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> | 1 年前 | |
ecryptfs: kthread: Demote file header and provide description for 'cred' Fixes the following W=1 kernel build warning(s): fs/ecryptfs/kthread.c:16: warning: cannot understand function prototype: 'struct ecryptfs_open_req ' fs/ecryptfs/kthread.c:120: warning: Function parameter or member 'cred' not described in 'ecryptfs_privileged_open' Cc: Tyler Hicks <code@tyhicks.com> Cc: "Michael A. Halcrow" <mahalcro@us.ibm.com> Cc: ecryptfs@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Tyler Hicks <code@tyhicks.com> | 5 年前 | |
ecryptfs: constify path Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 3 年前 | |
eCryptfs: Use DEFINE_MUTEX() for mutex lock mutex lock can be initialized automatically with DEFINE_MUTEX() rather than explicitly calling mutex_init(). Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Ye Bin <yebin10@huawei.com> Signed-off-by: Tyler Hicks <code@tyhicks.com> | 5 年前 | |
ecryptfs: miscdev: File headers are not good kernel-doc candidates Supply description for the 'daemon' param too. Fixes the following W=1 kernel build warning(s): fs/ecryptfs/miscdev.c:19: warning: cannot understand function prototype: 'atomic_t ecryptfs_num_miscdev_opens; ' fs/ecryptfs/miscdev.c:323: warning: Function parameter or member 'daemon' not described in 'ecryptfs_miscdev_response' Cc: Tyler Hicks <code@tyhicks.com> Cc: "Michael A. Halcrow" <mhalcrow@us.ibm.com> Cc: ecryptfs@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Tyler Hicks <code@tyhicks.com> | 5 年前 | |
fs/ecryptfs: remove kernel-doc warnings Remove kernel-doc warnings: fs/ecryptfs/mmap.c:270: warning: Excess function parameter 'flags' description in 'ecryptfs_write_begin' Message-ID: <20230731112533.214216-1-wangzhu9@huawei.com> Signed-off-by: Zhu Wang <wangzhu9@huawei.com> Signed-off-by: Christian Brauner <brauner@kernel.org> | 3 年前 | |
fs/ecryptfs: Use kmap_local_page() in ecryptfs_write() kmap_atomic() is deprecated in favor of kmap_local_page(). Therefore, replace kmap_atomic() with kmap_local_page() in ecryptfs_write(). kmap_atomic() is implemented like kmap_local_page() which also disables page-faults and preemption (the latter only for !PREEMPT_RT kernels). The code within the mapping/un-mapping in ecryptfs_write() does not depend on the above-mentioned side effects so that a mere replacement of the old API with the new one is all that is required (i.e., there is no need to explicitly call pagefault_disable() and/or preempt_disable()). Tested in a QEMU/KVM x86_32 VM, 6GB RAM, booting a kernel with HIGHMEM64GB enabled. Suggested-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: "Fabio M. De Francesco" <fmdefrancesco@gmail.com> Message-Id: <20230426172223.8896-3-fmdefrancesco@gmail.com> Signed-off-by: Christian Brauner <brauner@kernel.org> | 3 年前 | |
fs: allocate inode by using alloc_inode_sb() The inode allocation is supposed to use alloc_inode_sb(), so convert kmem_cache_alloc() of all filesystems to alloc_inode_sb(). Link: https://lkml.kernel.org/r/20220228122126.37293-5-songmuchun@bytedance.com Signed-off-by: Muchun Song <songmuchun@bytedance.com> Acked-by: Theodore Ts'o <tytso@mit.edu> [ext4] Acked-by: Roman Gushchin <roman.gushchin@linux.dev> Cc: Alex Shi <alexs@kernel.org> Cc: Anna Schumaker <Anna.Schumaker@Netapp.com> Cc: Chao Yu <chao@kernel.org> Cc: Dave Chinner <david@fromorbit.com> Cc: Fam Zheng <fam.zheng@bytedance.com> Cc: Jaegeuk Kim <jaegeuk@kernel.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Kari Argillander <kari.argillander@gmail.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Qi Zheng <zhengqi.arch@bytedance.com> Cc: Shakeel Butt <shakeelb@google.com> Cc: Trond Myklebust <trond.myklebust@hammerspace.com> Cc: Vladimir Davydov <vdavydov.dev@gmail.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Wei Yang <richard.weiyang@gmail.com> Cc: Xiongchun Duan <duanxiongchun@bytedance.com> Cc: Yang Shi <shy828301@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 4 年前 |
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