diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/binfmt_elf.c | 3 | ||||
-rw-r--r-- | fs/btrfs/disk-io.c | 10 | ||||
-rw-r--r-- | fs/btrfs/disk-io.h | 2 | ||||
-rw-r--r-- | fs/btrfs/export.c | 2 | ||||
-rw-r--r-- | fs/btrfs/export.h | 2 | ||||
-rw-r--r-- | fs/btrfs/extent-tree.c | 25 | ||||
-rw-r--r-- | fs/btrfs/raid56.c | 18 | ||||
-rw-r--r-- | fs/btrfs/send.c | 24 | ||||
-rw-r--r-- | fs/btrfs/super.c | 16 | ||||
-rw-r--r-- | fs/btrfs/volumes.c | 12 | ||||
-rw-r--r-- | fs/btrfs/volumes.h | 2 | ||||
-rw-r--r-- | fs/cifs/connect.c | 1 | ||||
-rw-r--r-- | fs/cifs/file.c | 13 | ||||
-rw-r--r-- | fs/crypto/keyring.c | 17 | ||||
-rw-r--r-- | fs/exec.c | 6 | ||||
-rw-r--r-- | fs/ext4/super.c | 4 | ||||
-rw-r--r-- | fs/nfsd/filecache.c | 5 | ||||
-rw-r--r-- | fs/squashfs/file.c | 23 | ||||
-rw-r--r-- | fs/squashfs/page_actor.c | 3 | ||||
-rw-r--r-- | fs/squashfs/page_actor.h | 6 | ||||
-rw-r--r-- | fs/super.c | 3 |
21 files changed, 126 insertions, 71 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 63c7ebb0da89..6a11025e5850 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -911,7 +911,7 @@ static int load_elf_binary(struct linux_binprm *bprm) interp_elf_ex = kmalloc(sizeof(*interp_elf_ex), GFP_KERNEL); if (!interp_elf_ex) { retval = -ENOMEM; - goto out_free_ph; + goto out_free_file; } /* Get the exec headers */ @@ -1354,6 +1354,7 @@ out: out_free_dentry: kfree(interp_elf_ex); kfree(interp_elf_phdata); +out_free_file: allow_write_access(interpreter); if (interpreter) fput(interpreter); diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index a2da9313c694..4b28263c3d32 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -166,11 +166,9 @@ static bool btrfs_supported_super_csum(u16 csum_type) * Return 0 if the superblock checksum type matches the checksum value of that * algorithm. Pass the raw disk superblock data. */ -static int btrfs_check_super_csum(struct btrfs_fs_info *fs_info, - char *raw_disk_sb) +int btrfs_check_super_csum(struct btrfs_fs_info *fs_info, + const struct btrfs_super_block *disk_sb) { - struct btrfs_super_block *disk_sb = - (struct btrfs_super_block *)raw_disk_sb; char result[BTRFS_CSUM_SIZE]; SHASH_DESC_ON_STACK(shash, fs_info->csum_shash); @@ -181,7 +179,7 @@ static int btrfs_check_super_csum(struct btrfs_fs_info *fs_info, * BTRFS_SUPER_INFO_SIZE range, we expect that the unused space is * filled with zeros and is included in the checksum. */ - crypto_shash_digest(shash, raw_disk_sb + BTRFS_CSUM_SIZE, + crypto_shash_digest(shash, (const u8 *)disk_sb + BTRFS_CSUM_SIZE, BTRFS_SUPER_INFO_SIZE - BTRFS_CSUM_SIZE, result); if (memcmp(disk_sb->csum, result, fs_info->csum_size)) @@ -3479,7 +3477,7 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device * We want to check superblock checksum, the type is stored inside. * Pass the whole disk block of size BTRFS_SUPER_INFO_SIZE (4k). */ - if (btrfs_check_super_csum(fs_info, (u8 *)disk_super)) { + if (btrfs_check_super_csum(fs_info, disk_super)) { btrfs_err(fs_info, "superblock checksum mismatch"); err = -EINVAL; btrfs_release_disk_super(disk_super); diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index c67c15d4d20b..9fa923e005a3 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -42,6 +42,8 @@ struct extent_buffer *btrfs_find_create_tree_block( void btrfs_clean_tree_block(struct extent_buffer *buf); void btrfs_clear_oneshot_options(struct btrfs_fs_info *fs_info); int btrfs_start_pre_rw_mount(struct btrfs_fs_info *fs_info); +int btrfs_check_super_csum(struct btrfs_fs_info *fs_info, + const struct btrfs_super_block *disk_sb); int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_devices, char *options); diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c index 1d4c2397d0d6..fab7eb76e53b 100644 --- a/fs/btrfs/export.c +++ b/fs/btrfs/export.c @@ -58,7 +58,7 @@ static int btrfs_encode_fh(struct inode *inode, u32 *fh, int *max_len, } struct dentry *btrfs_get_dentry(struct super_block *sb, u64 objectid, - u64 root_objectid, u32 generation, + u64 root_objectid, u64 generation, int check_generation) { struct btrfs_fs_info *fs_info = btrfs_sb(sb); diff --git a/fs/btrfs/export.h b/fs/btrfs/export.h index f32f4113c976..5afb7ca42828 100644 --- a/fs/btrfs/export.h +++ b/fs/btrfs/export.h @@ -19,7 +19,7 @@ struct btrfs_fid { } __attribute__ ((packed)); struct dentry *btrfs_get_dentry(struct super_block *sb, u64 objectid, - u64 root_objectid, u32 generation, + u64 root_objectid, u64 generation, int check_generation); struct dentry *btrfs_get_parent(struct dentry *child); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index cd2d36580f1a..2801c991814f 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3295,21 +3295,22 @@ void btrfs_free_tree_block(struct btrfs_trans_handle *trans, } /* - * If this is a leaf and there are tree mod log users, we may - * have recorded mod log operations that point to this leaf. - * So we must make sure no one reuses this leaf's extent before - * mod log operations are applied to a node, otherwise after - * rewinding a node using the mod log operations we get an - * inconsistent btree, as the leaf's extent may now be used as - * a node or leaf for another different btree. + * If there are tree mod log users we may have recorded mod log + * operations for this node. If we re-allocate this node we + * could replay operations on this node that happened when it + * existed in a completely different root. For example if it + * was part of root A, then was reallocated to root B, and we + * are doing a btrfs_old_search_slot(root b), we could replay + * operations that happened when the block was part of root A, + * giving us an inconsistent view of the btree. + * * We are safe from races here because at this point no other * node or root points to this extent buffer, so if after this - * check a new tree mod log user joins, it will not be able to - * find a node pointing to this leaf and record operations that - * point to this leaf. + * check a new tree mod log user joins we will not have an + * existing log of operations on this node that we have to + * contend with. */ - if (btrfs_header_level(buf) == 0 && - test_bit(BTRFS_FS_TREE_MOD_LOG_USERS, &fs_info->flags)) + if (test_bit(BTRFS_FS_TREE_MOD_LOG_USERS, &fs_info->flags)) must_pin = true; if (must_pin || btrfs_is_zoned(fs_info)) { diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index f6395e8288d6..82c8e991300e 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -1632,10 +1632,8 @@ static int full_stripe_write(struct btrfs_raid_bio *rbio) int ret; ret = alloc_rbio_parity_pages(rbio); - if (ret) { - __free_raid_bio(rbio); + if (ret) return ret; - } ret = lock_stripe_add(rbio); if (ret == 0) @@ -1823,8 +1821,10 @@ void raid56_parity_write(struct bio *bio, struct btrfs_io_context *bioc) */ if (rbio_is_full(rbio)) { ret = full_stripe_write(rbio); - if (ret) + if (ret) { + __free_raid_bio(rbio); goto fail; + } return; } @@ -1838,8 +1838,10 @@ void raid56_parity_write(struct bio *bio, struct btrfs_io_context *bioc) list_add_tail(&rbio->plug_list, &plug->rbio_list); } else { ret = __raid56_parity_write(rbio); - if (ret) + if (ret) { + __free_raid_bio(rbio); goto fail; + } } return; @@ -2742,8 +2744,10 @@ raid56_alloc_missing_rbio(struct bio *bio, struct btrfs_io_context *bioc) rbio->faila = find_logical_bio_stripe(rbio, bio); if (rbio->faila == -1) { - BUG(); - kfree(rbio); + btrfs_warn_rl(fs_info, + "can not determine the failed stripe number for full stripe %llu", + bioc->raid_map[0]); + __free_raid_bio(rbio); return NULL; } diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index ec6e1752af2c..145c84b44fd0 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -6668,17 +6668,19 @@ static int changed_inode(struct send_ctx *sctx, /* * First, process the inode as if it was deleted. */ - sctx->cur_inode_gen = right_gen; - sctx->cur_inode_new = false; - sctx->cur_inode_deleted = true; - sctx->cur_inode_size = btrfs_inode_size( - sctx->right_path->nodes[0], right_ii); - sctx->cur_inode_mode = btrfs_inode_mode( - sctx->right_path->nodes[0], right_ii); - ret = process_all_refs(sctx, - BTRFS_COMPARE_TREE_DELETED); - if (ret < 0) - goto out; + if (old_nlinks > 0) { + sctx->cur_inode_gen = right_gen; + sctx->cur_inode_new = false; + sctx->cur_inode_deleted = true; + sctx->cur_inode_size = btrfs_inode_size( + sctx->right_path->nodes[0], right_ii); + sctx->cur_inode_mode = btrfs_inode_mode( + sctx->right_path->nodes[0], right_ii); + ret = process_all_refs(sctx, + BTRFS_COMPARE_TREE_DELETED); + if (ret < 0) + goto out; + } /* * Now process the inode as if it was new. diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 9be4fd2db0f4..5942b9384088 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -2555,6 +2555,7 @@ static int check_dev_super(struct btrfs_device *dev) { struct btrfs_fs_info *fs_info = dev->fs_info; struct btrfs_super_block *sb; + u16 csum_type; int ret = 0; /* This should be called with fs still frozen. */ @@ -2569,6 +2570,21 @@ static int check_dev_super(struct btrfs_device *dev) if (IS_ERR(sb)) return PTR_ERR(sb); + /* Verify the checksum. */ + csum_type = btrfs_super_csum_type(sb); + if (csum_type != btrfs_super_csum_type(fs_info->super_copy)) { + btrfs_err(fs_info, "csum type changed, has %u expect %u", + csum_type, btrfs_super_csum_type(fs_info->super_copy)); + ret = -EUCLEAN; + goto out; + } + + if (btrfs_check_super_csum(fs_info, sb)) { + btrfs_err(fs_info, "csum for on-disk super block no longer matches"); + ret = -EUCLEAN; + goto out; + } + /* Btrfs_validate_super() includes fsid check against super->fsid. */ ret = btrfs_validate_super(fs_info, sb, 0); if (ret < 0) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 94ba46d57920..a8d4bc6a1937 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -7142,6 +7142,7 @@ static int read_one_chunk(struct btrfs_key *key, struct extent_buffer *leaf, u64 devid; u64 type; u8 uuid[BTRFS_UUID_SIZE]; + int index; int num_stripes; int ret; int i; @@ -7149,6 +7150,7 @@ static int read_one_chunk(struct btrfs_key *key, struct extent_buffer *leaf, logical = key->offset; length = btrfs_chunk_length(leaf, chunk); type = btrfs_chunk_type(leaf, chunk); + index = btrfs_bg_flags_to_raid_index(type); num_stripes = btrfs_chunk_num_stripes(leaf, chunk); #if BITS_PER_LONG == 32 @@ -7202,7 +7204,15 @@ static int read_one_chunk(struct btrfs_key *key, struct extent_buffer *leaf, map->io_align = btrfs_chunk_io_align(leaf, chunk); map->stripe_len = btrfs_chunk_stripe_len(leaf, chunk); map->type = type; - map->sub_stripes = btrfs_chunk_sub_stripes(leaf, chunk); + /* + * We can't use the sub_stripes value, as for profiles other than + * RAID10, they may have 0 as sub_stripes for filesystems created by + * older mkfs (<v5.4). + * In that case, it can cause divide-by-zero errors later. + * Since currently sub_stripes is fixed for each profile, let's + * use the trusted value instead. + */ + map->sub_stripes = btrfs_raid_array[index].sub_stripes; map->verified_stripes = 0; em->orig_block_len = btrfs_calc_stripe_length(em); for (i = 0; i < num_stripes; i++) { diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 599b9d5af349..f8b668dc8bf8 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -395,6 +395,7 @@ typedef void (*btrfs_bio_end_io_t)(struct btrfs_bio *bbio); */ struct btrfs_bio { unsigned int mirror_num; + struct bvec_iter iter; /* for direct I/O */ u64 file_offset; @@ -403,7 +404,6 @@ struct btrfs_bio { struct btrfs_device *device; u8 *csum; u8 csum_inline[BTRFS_BIO_INLINE_CSUM_SIZE]; - struct bvec_iter iter; /* End I/O information supplied to btrfs_bio_alloc */ btrfs_bio_end_io_t end_io; diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index ffb291579bb9..1cc47dd3b4d6 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1584,6 +1584,7 @@ cifs_put_tcp_session(struct TCP_Server_Info *server, int from_reconnect) server->session_key.response = NULL; server->session_key.len = 0; kfree(server->hostname); + server->hostname = NULL; task = xchg(&server->tsk, NULL); if (task) diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 5b3b308e115c..cd9698209930 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -2434,12 +2434,16 @@ cifs_writev_complete(struct work_struct *work) struct cifs_writedata * cifs_writedata_alloc(unsigned int nr_pages, work_func_t complete) { + struct cifs_writedata *writedata = NULL; struct page **pages = kcalloc(nr_pages, sizeof(struct page *), GFP_NOFS); - if (pages) - return cifs_writedata_direct_alloc(pages, complete); + if (pages) { + writedata = cifs_writedata_direct_alloc(pages, complete); + if (!writedata) + kvfree(pages); + } - return NULL; + return writedata; } struct cifs_writedata * @@ -3299,6 +3303,9 @@ cifs_write_from_iter(loff_t offset, size_t len, struct iov_iter *from, cifs_uncached_writev_complete); if (!wdata) { rc = -ENOMEM; + for (i = 0; i < nr_pages; i++) + put_page(pagevec[i]); + kvfree(pagevec); add_credits_and_wake_if(server, credits, 0); break; } diff --git a/fs/crypto/keyring.c b/fs/crypto/keyring.c index 1cca09aa43f8..2a24b1f0ae68 100644 --- a/fs/crypto/keyring.c +++ b/fs/crypto/keyring.c @@ -205,14 +205,19 @@ static int allocate_filesystem_keyring(struct super_block *sb) } /* - * This is called at unmount time to release all encryption keys that have been - * added to the filesystem, along with the keyring that contains them. + * Release all encryption keys that have been added to the filesystem, along + * with the keyring that contains them. * - * Note that besides clearing and freeing memory, this might need to evict keys - * from the keyslots of an inline crypto engine. Therefore, this must be called - * while the filesystem's underlying block device(s) are still available. + * This is called at unmount time. The filesystem's underlying block device(s) + * are still available at this time; this is important because after user file + * accesses have been allowed, this function may need to evict keys from the + * keyslots of an inline crypto engine, which requires the block device(s). + * + * This is also called when the super_block is being freed. This is needed to + * avoid a memory leak if mounting fails after the "test_dummy_encryption" + * option was processed, as in that case the unmount-time call isn't made. */ -void fscrypt_sb_delete(struct super_block *sb) +void fscrypt_destroy_keyring(struct super_block *sb) { struct fscrypt_keyring *keyring = sb->s_master_keys; size_t i; diff --git a/fs/exec.c b/fs/exec.c index 349a5da91efe..a0b1f0337a62 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1012,7 +1012,6 @@ static int exec_mmap(struct mm_struct *mm) active_mm = tsk->active_mm; tsk->active_mm = mm; tsk->mm = mm; - lru_gen_add_mm(mm); /* * This prevents preemption while active_mm is being loaded and * it and mm are being updated, which could cause problems for @@ -1025,6 +1024,7 @@ static int exec_mmap(struct mm_struct *mm) activate_mm(active_mm, mm); if (IS_ENABLED(CONFIG_ARCH_WANT_IRQS_OFF_ACTIVATE_MM)) local_irq_enable(); + lru_gen_add_mm(mm); task_unlock(tsk); lru_gen_use_mm(mm); if (old_mm) { @@ -1197,11 +1197,11 @@ static int unshare_sighand(struct task_struct *me) return -ENOMEM; refcount_set(&newsighand->count, 1); - memcpy(newsighand->action, oldsighand->action, - sizeof(newsighand->action)); write_lock_irq(&tasklist_lock); spin_lock(&oldsighand->siglock); + memcpy(newsighand->action, oldsighand->action, + sizeof(newsighand->action)); rcu_assign_pointer(me->sighand, newsighand); spin_unlock(&oldsighand->siglock); write_unlock_irq(&tasklist_lock); diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 989365b878a6..7950904fbf04 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1741,10 +1741,6 @@ static const struct fs_parameter_spec ext4_param_specs[] = { #define DEFAULT_JOURNAL_IOPRIO (IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 3)) -static const char deprecated_msg[] = - "Mount option \"%s\" will be removed by %s\n" - "Contact linux-ext4@vger.kernel.org if you think we should keep it.\n"; - #define MOPT_SET 0x0001 #define MOPT_CLEAR 0x0002 #define MOPT_NOSUPPORT 0x0004 diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index 29a62db155fb..adc4e87a71d2 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -893,9 +893,8 @@ __nfsd_file_cache_purge(struct net *net) nf = rhashtable_walk_next(&iter); while (!IS_ERR_OR_NULL(nf)) { - if (net && nf->nf_net != net) - continue; - nfsd_file_unhash_and_dispose(nf, &dispose); + if (!net || nf->nf_net == net) + nfsd_file_unhash_and_dispose(nf, &dispose); nf = rhashtable_walk_next(&iter); } diff --git a/fs/squashfs/file.c b/fs/squashfs/file.c index e56510964b22..8ba8c4c50770 100644 --- a/fs/squashfs/file.c +++ b/fs/squashfs/file.c @@ -506,8 +506,9 @@ static int squashfs_readahead_fragment(struct page **page, squashfs_i(inode)->fragment_size); struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info; unsigned int n, mask = (1 << (msblk->block_log - PAGE_SHIFT)) - 1; + int error = buffer->error; - if (buffer->error) + if (error) goto out; expected += squashfs_i(inode)->fragment_offset; @@ -529,7 +530,7 @@ static int squashfs_readahead_fragment(struct page **page, out: squashfs_cache_put(buffer); - return buffer->error; + return error; } static void squashfs_readahead(struct readahead_control *ractl) @@ -557,6 +558,13 @@ static void squashfs_readahead(struct readahead_control *ractl) int res, bsize; u64 block = 0; unsigned int expected; + struct page *last_page; + + expected = start >> msblk->block_log == file_end ? + (i_size_read(inode) & (msblk->block_size - 1)) : + msblk->block_size; + + max_pages = (expected + PAGE_SIZE - 1) >> PAGE_SHIFT; nr_pages = __readahead_batch(ractl, pages, max_pages); if (!nr_pages) @@ -566,13 +574,10 @@ static void squashfs_readahead(struct readahead_control *ractl) goto skip_pages; index = pages[0]->index >> shift; + if ((pages[nr_pages - 1]->index >> shift) != index) goto skip_pages; - expected = index == file_end ? - (i_size_read(inode) & (msblk->block_size - 1)) : - msblk->block_size; - if (index == file_end && squashfs_i(inode)->fragment_block != SQUASHFS_INVALID_BLK) { res = squashfs_readahead_fragment(pages, nr_pages, @@ -593,15 +598,15 @@ static void squashfs_readahead(struct readahead_control *ractl) res = squashfs_read_data(inode->i_sb, block, bsize, NULL, actor); - squashfs_page_actor_free(actor); + last_page = squashfs_page_actor_free(actor); if (res == expected) { int bytes; /* Last page (if present) may have trailing bytes not filled */ bytes = res % PAGE_SIZE; - if (pages[nr_pages - 1]->index == file_end && bytes) - memzero_page(pages[nr_pages - 1], bytes, + if (index == file_end && bytes && last_page) + memzero_page(last_page, bytes, PAGE_SIZE - bytes); for (i = 0; i < nr_pages; i++) { diff --git a/fs/squashfs/page_actor.c b/fs/squashfs/page_actor.c index 54b93bf4a25c..81af6c4ca115 100644 --- a/fs/squashfs/page_actor.c +++ b/fs/squashfs/page_actor.c @@ -71,11 +71,13 @@ static void *handle_next_page(struct squashfs_page_actor *actor) (actor->next_index != actor->page[actor->next_page]->index)) { actor->next_index++; actor->returned_pages++; + actor->last_page = NULL; return actor->alloc_buffer ? actor->tmp_buffer : ERR_PTR(-ENOMEM); } actor->next_index++; actor->returned_pages++; + actor->last_page = actor->page[actor->next_page]; return actor->pageaddr = kmap_local_page(actor->page[actor->next_page++]); } @@ -125,6 +127,7 @@ struct squashfs_page_actor *squashfs_page_actor_init_special(struct squashfs_sb_ actor->returned_pages = 0; actor->next_index = page[0]->index & ~((1 << (msblk->block_log - PAGE_SHIFT)) - 1); actor->pageaddr = NULL; + actor->last_page = NULL; actor->alloc_buffer = msblk->decompressor->alloc_buffer; actor->squashfs_first_page = direct_first_page; actor->squashfs_next_page = direct_next_page; diff --git a/fs/squashfs/page_actor.h b/fs/squashfs/page_actor.h index 95ffbb543d91..97d4983559b1 100644 --- a/fs/squashfs/page_actor.h +++ b/fs/squashfs/page_actor.h @@ -16,6 +16,7 @@ struct squashfs_page_actor { void *(*squashfs_first_page)(struct squashfs_page_actor *); void *(*squashfs_next_page)(struct squashfs_page_actor *); void (*squashfs_finish_page)(struct squashfs_page_actor *); + struct page *last_page; int pages; int length; int next_page; @@ -29,10 +30,13 @@ extern struct squashfs_page_actor *squashfs_page_actor_init(void **buffer, extern struct squashfs_page_actor *squashfs_page_actor_init_special( struct squashfs_sb_info *msblk, struct page **page, int pages, int length); -static inline void squashfs_page_actor_free(struct squashfs_page_actor *actor) +static inline struct page *squashfs_page_actor_free(struct squashfs_page_actor *actor) { + struct page *last_page = actor->last_page; + kfree(actor->tmp_buffer); kfree(actor); + return last_page; } static inline void *squashfs_first_page(struct squashfs_page_actor *actor) { diff --git a/fs/super.c b/fs/super.c index 6a82660e1adb..8d39e4f11cfa 100644 --- a/fs/super.c +++ b/fs/super.c @@ -291,6 +291,7 @@ static void __put_super(struct super_block *s) WARN_ON(s->s_inode_lru.node); WARN_ON(!list_empty(&s->s_mounts)); security_sb_free(s); + fscrypt_destroy_keyring(s); put_user_ns(s->s_user_ns); kfree(s->s_subtype); call_rcu(&s->rcu, destroy_super_rcu); @@ -479,7 +480,7 @@ void generic_shutdown_super(struct super_block *sb) evict_inodes(sb); /* only nonzero refcount inodes can have marks */ fsnotify_sb_delete(sb); - fscrypt_sb_delete(sb); + fscrypt_destroy_keyring(sb); security_sb_delete(sb); if (sb->s_dio_done_wq) { |