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40a708bd62
linux/fs/afs
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David Howells 40a708bd62 afs: Fix use-after-loss-of-ref 
afs_lookup() has a tracepoint to indicate the outcome of
d_splice_alias(), passing it the inode to retrieve the fid from.
However, the function gave up its ref on that inode when it called
d_splice_alias(), which may have failed and dropped the inode.

Fix this by caching the fid.

Fixes: 80548b0399 ("afs: Add more tracepoints")
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-01-14 09:40:06 -08:00
..
addr_list.c Keyrings namespacing 2019-07-08 19:36:47 -07:00
afs_cm.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
afs_fs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
afs_vl.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
afs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cache.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
callback.c afs: Fix possible assert with callbacks from yfs servers 2019-11-22 14:19:26 -08:00
cell.c afs: Fix leak in afs_lookup_cell_rcu() 2019-08-22 13:33:26 +01:00
cmservice.c afs: Fix the CB.ProbeUuid service handler to reply correctly 2019-07-30 14:38:51 +01:00
dir_edit.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
dir_silly.c fsnotify: move fsnotify_nameremove() hook out of d_delete() 2019-06-20 14:47:44 +02:00
dir.c afs: Fix use-after-loss-of-ref 2020-01-14 09:40:06 -08:00
dynroot.c afs dynroot: switch to simple_dir_operations 2019-09-15 12:19:48 -04:00
file.c fs: afs: Fix a possible null-pointer dereference in afs_put_read() 2019-07-30 14:38:51 +01:00
flock.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
fs_probe.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
fsclient.c afs: Use afs_extract_discard() rather than iov_iter_discard() 2019-09-02 11:43:54 +01:00
inode.c afs dynroot: switch to simple_dir_operations 2019-09-15 12:19:48 -04:00
internal.h Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-09-29 19:42:07 -07:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
main.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
Makefile afs: do not send list of client addresses 2019-06-02 18:06:26 -07:00
misc.c AFS development 2019-07-10 20:55:33 -07:00
mntpt.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
proc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
protocol_uae.h afs: Add support for the UAE error table 2019-06-28 18:37:53 +01:00
protocol_yfs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
rotate.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
rxrpc.c afs: Fix missing timeout reset 2019-11-19 14:36:38 -08:00
security.c afs: Support RCU pathwalk 2019-09-02 11:43:54 +01:00
server_list.c AFS development 2019-07-10 20:55:33 -07:00
server.c AFS development 2019-07-10 20:55:33 -07:00
super.c afs: Fix large file support 2019-11-22 14:19:26 -08:00
vl_list.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
vl_probe.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
vl_rotate.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
vlclient.c afs: Fix loop index mixup in afs_deliver_vl_get_entry_by_name_u() 2019-07-30 14:38:51 +01:00
volume.c afs: remove unused variable 'afs_voltypes' 2019-09-02 11:43:54 +01:00
write.c AFS development 2019-07-10 20:55:33 -07:00
xattr.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
xdr_fs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
yfsclient.c afs: Use afs_extract_discard() rather than iov_iter_discard() 2019-09-02 11:43:54 +01:00