AuxXxilium/linux_dsm_epyc7002
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f28de8d8fd
linux_dsm_epyc7002/fs/btrfs
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Josef Bacik f28de8d8fd btrfs: clear DEAD_RELOC_TREE before dropping the reloc root 
The DEAD_RELOC_TREE flag is in place in order to avoid a use after free
in init_reloc_root, tracking the presence of reloc_root.  However adding
the explicit tree references in previous patches makes the use after
free impossible because at this point we no longer have a reloc_control
set on the fs_info and thus cannot enter the function.

So move this to be coupled with clearing the root->reloc_root so we're
consistent with all other operations of the reloc root.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ update changelog ]
Signed-off-by: David Sterba <dsterba@suse.com>
2020-03-23 17:01:58 +01:00
..
tests btrfs: rename btrfs_put_fs_root and btrfs_grab_fs_root 2020-03-23 17:01:33 +01:00
acl.c btrfs: cleanup btrfs_setxattr_trans and drop transaction parameter 2019-04-29 19:02:44 +02:00
async-thread.c Btrfs: fix crash during unmount due to race with delayed inode workers 2020-03-23 17:01:51 +01:00
async-thread.h Btrfs: fix crash during unmount due to race with delayed inode workers 2020-03-23 17:01:51 +01:00
backref.c btrfs: relocation: Use btrfs_find_all_leafs to locate data extent parent tree leaves 2020-03-23 17:01:57 +01:00
backref.h btrfs: relocation: Use btrfs_find_all_leafs to locate data extent parent tree leaves 2020-03-23 17:01:57 +01:00
block-group.c btrfs: add RCU locks around block group initialization 2020-03-23 17:01:53 +01:00
block-group.h btrfs: Move and unexport btrfs_rmap_block 2020-01-23 17:24:34 +01:00
block-rsv.c btrfs: Remove __ prefix from btrfs_block_rsv_release 2020-03-23 17:01:55 +01:00
block-rsv.h btrfs: Remove __ prefix from btrfs_block_rsv_release 2020-03-23 17:01:55 +01:00
btrfs_inode.h btrfs: introduce per-inode file extent tree 2020-03-23 17:01:24 +01:00
check-integrity.c btrfs: remove buffer_heads form super block mirror integrity checking 2020-03-23 17:01:40 +01:00
check-integrity.h btrfs: remove btrfsic_submit_bh() 2020-03-23 17:01:39 +01:00
compression.c btrfs: use larger zlib buffer for s390 hardware compression 2020-01-31 10:30:40 -08:00
compression.h btrfs: compression: remove ops pointer from workspace_manager 2019-11-18 12:46:59 +01:00
ctree.c btrfs: inline checksum name and driver definitions 2020-03-23 17:01:52 +01:00
ctree.h btrfs: add helper to get the end offset of a file extent item 2020-03-23 17:01:56 +01:00
delalloc-space.c btrfs: Remove __ prefix from btrfs_block_rsv_release 2020-03-23 17:01:55 +01:00
delalloc-space.h btrfs: migrate the delalloc space stuff to it's own home 2019-07-04 17:26:17 +02:00
delayed-inode.c btrfs: Remove __ prefix from btrfs_block_rsv_release 2020-03-23 17:01:55 +01:00
delayed-inode.h btrfs: delayed-inode: Replace zero-length array with flexible-array member 2020-03-23 17:01:53 +01:00
delayed-ref.c btrfs: Remove __ prefix from btrfs_block_rsv_release 2020-03-23 17:01:55 +01:00
delayed-ref.h btrfs: migrate the delayed refs rsv code 2019-07-04 17:26:17 +02:00
dev-replace.c btrfs: sysfs, rename device_link add/remove functions 2020-03-23 17:01:35 +01:00
dev-replace.h btrfs: add __pure attribute to functions 2019-11-18 12:46:52 +01:00
dir-item.c btrfs: remove unused parameter fs_info from btrfs_extend_item 2019-04-29 19:02:50 +02:00
discard.c btrfs: add correction to handle -1 edge case in async discard 2020-01-20 16:41:01 +01:00
discard.h btrfs: have multiple discard lists 2020-01-20 16:41:00 +01:00
disk-io.c btrfs: return void from csum_tree_block 2020-03-23 17:01:52 +01:00
disk-io.h btrfs: use the page cache for super block reading 2020-03-23 17:01:39 +01:00
export.c btrfs: export helpers for subvolume name/id resolution 2020-03-23 17:01:42 +01:00
export.h btrfs: export helpers for subvolume name/id resolution 2020-03-23 17:01:42 +01:00
extent_io.c btrfs: Don't submit any btree write bio if the fs has errors 2020-03-23 17:01:46 +01:00
extent_io.h btrfs: sink argument tree to extent_read_full_page 2020-03-23 17:01:35 +01:00
extent_map.c Btrfs: fix race between using extent maps and merging them 2020-02-12 17:16:46 +01:00
extent_map.h btrfs: remove extent_map::bdev 2019-11-18 23:43:44 +01:00
extent-io-tree.h btrfs: switch to per-transaction pinned extents 2020-03-23 17:01:38 +01:00
extent-tree.c btrfs: Remove block_rsv parameter from btrfs_drop_snapshot 2020-03-23 17:01:55 +01:00
file-item.c btrfs: add helper to get the end offset of a file extent item 2020-03-23 17:01:56 +01:00
file.c btrfs: make ranged full fsyncs more efficient 2020-03-23 17:01:56 +01:00
free-space-cache.c btrfs: simplify error handling in __btrfs_write_out_cache() 2020-03-23 17:01:43 +01:00
free-space-cache.h btrfs: have multiple discard lists 2020-01-20 16:41:00 +01:00
free-space-tree.c btrfs: rename btrfs_put_fs_root and btrfs_grab_fs_root 2020-03-23 17:01:33 +01:00
free-space-tree.h btrfs: rename btrfs_block_group_cache 2019-11-18 17:51:51 +01:00
inode-item.c btrfs: Make btrfs_find_name_in_ext_backref return struct btrfs_inode_extref 2019-09-09 14:59:16 +02:00
inode-map.c btrfs: Remove __ prefix from btrfs_block_rsv_release 2020-03-23 17:01:55 +01:00
inode-map.h btrfs: replace GPL boilerplate by SPDX -- headers 2018-04-12 16:29:46 +02:00
inode.c btrfs: add helper to get the end offset of a file extent item 2020-03-23 17:01:56 +01:00
ioctl.c Btrfs: move all reflink implementation code into its own file 2020-03-23 17:01:54 +01:00
Kconfig btrfs: add Kconfig dependency for BLAKE2B 2019-12-09 17:56:06 +01:00
locking.c btrfs: Implement DREW lock 2020-03-23 17:01:43 +01:00
locking.h btrfs: Implement DREW lock 2020-03-23 17:01:43 +01:00
lzo.c btrfs: compression: inline free_workspace 2019-11-18 12:46:59 +01:00
Makefile Btrfs: move all reflink implementation code into its own file 2020-03-23 17:01:54 +01:00
misc.h btrfs: add 64bit safe helper for power of two checks 2019-11-18 12:46:50 +01:00
ordered-data.c btrfs: drop argument tree from btrfs_lock_and_flush_ordered_range 2020-03-23 17:01:34 +01:00
ordered-data.h btrfs: drop argument tree from btrfs_lock_and_flush_ordered_range 2020-03-23 17:01:34 +01:00
orphan.c btrfs: replace GPL boilerplate by SPDX -- sources 2018-04-12 16:29:51 +02:00
print-tree.c btrfs: Remove unneeded semicolon 2020-01-20 16:40:55 +01:00
print-tree.h btrfs: print-tree: debugging output enhancement 2018-04-20 19:18:16 +02:00
props.c btrfs: Remove __ prefix from btrfs_block_rsv_release 2020-03-23 17:01:55 +01:00
props.h btrfs: delete unused function btrfs_set_prop_trans 2019-04-29 19:02:54 +02:00
qgroup.c btrfs: qgroup: Remove the unnecesaary spin lock for qgroup_rescan_running 2020-03-23 17:01:47 +01:00
qgroup.h btrfs: destroy qgroup extent records on transaction abort 2020-02-19 00:35:54 +01:00
raid56.c btrfs: use struct_size to calculate size of raid hash table 2020-03-23 17:01:44 +01:00
raid56.h btrfs: constify map parameter for nr_parity_stripes and nr_data_stripes 2019-07-01 13:34:58 +02:00
rcu-string.h btrfs: rcu-string: Replace zero-length array with flexible-array member 2020-03-23 17:01:53 +01:00
reada.c btrfs: rename btrfs_block_group_cache 2019-11-18 17:51:51 +01:00
ref-verify.c btrfs: fix ref-verify to catch operations on 0 ref extents 2020-03-23 17:01:56 +01:00
ref-verify.h btrfs: ref-verify: Use btrfs_ref to refactor btrfs_ref_tree_mod() 2019-04-29 19:02:49 +02:00
reflink.c Btrfs: implement full reflink support for inline extents 2020-03-23 17:01:54 +01:00
reflink.h Btrfs: move all reflink implementation code into its own file 2020-03-23 17:01:54 +01:00
relocation.c btrfs: clear DEAD_RELOC_TREE before dropping the reloc root 2020-03-23 17:01:58 +01:00
root-tree.c btrfs: Remove __ prefix from btrfs_block_rsv_release 2020-03-23 17:01:55 +01:00
scrub.c btrfs: scrub: Replace zero-length array with flexible-array member 2020-03-23 17:01:54 +01:00
send.c btrfs: add helper to get the end offset of a file extent item 2020-03-23 17:01:56 +01:00
send.h btrfs: replace GPL boilerplate by SPDX -- headers 2018-04-12 16:29:46 +02:00
space-info.c btrfs: account ticket size at add/delete time 2020-03-23 17:01:55 +01:00
space-info.h btrfs: account ticket size at add/delete time 2020-03-23 17:01:55 +01:00
struct-funcs.c btrfs: tie extent buffer and it's token together 2019-09-09 14:59:16 +02:00
super.c btrfs: adjust message level for unrecognized mount option 2020-03-23 17:01:45 +01:00
sysfs.c btrfs: sysfs, unify handler name of devinfo/missing 2020-03-23 17:01:36 +01:00
sysfs.h btrfs: sysfs, rename device_link add/remove functions 2020-03-23 17:01:35 +01:00
transaction.c btrfs: Remove block_rsv parameter from btrfs_drop_snapshot 2020-03-23 17:01:55 +01:00
transaction.h btrfs: switch to per-transaction pinned extents 2020-03-23 17:01:38 +01:00
tree-checker.c btrfs: tree-checker: Verify location key for DIR_ITEM/DIR_INDEX 2020-01-20 16:40:56 +01:00
tree-checker.h btrfs: get fs_info from eb in btrfs_check_chunk_valid 2019-04-29 19:02:39 +02:00
tree-defrag.c btrfs: open code now trivial btrfs_set_lock_blocking 2019-02-25 14:13:27 +01:00
tree-log.c btrfs: make ranged full fsyncs more efficient 2020-03-23 17:01:56 +01:00
tree-log.h btrfs: get fs_info from trans in btrfs_set_log_full_commit 2019-04-29 19:02:41 +02:00
ulist.c btrfs: replace GPL boilerplate by SPDX -- sources 2018-04-12 16:29:51 +02:00
ulist.h btrfs: replace GPL boilerplate by SPDX -- headers 2018-04-12 16:29:46 +02:00
uuid-tree.c btrfs: bail out of uuid tree scanning if we're closing 2020-03-23 17:01:41 +01:00
volumes.c btrfs: relocation: add error injection points for cancelling balance 2020-03-23 17:01:54 +01:00
volumes.h btrfs: introduce chunk allocation policy 2020-03-23 17:01:48 +01:00
xattr.c Btrfs: fix failure to persist compression property xattr deletion on fsync 2019-06-17 16:37:17 +02:00
xattr.h btrfs: cleanup btrfs_setxattr_trans and drop transaction parameter 2019-04-29 19:02:44 +02:00
zlib.c btrfs: use larger zlib buffer for s390 hardware compression 2020-01-31 10:30:40 -08:00
zstd.c btrfs: compression: inline free_workspace 2019-11-18 12:46:59 +01:00